935296279551 [NXP]
RISC Microcontroller;型号: | 935296279551 |
厂家: | NXP |
描述: | RISC Microcontroller 微控制器 外围集成电路 |
文件: | 总156页 (文件大小:3062K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
LPC43S50/S30/S20
32-bit ARM Cortex-M4/M0 flashless MCU with security
features; up to 264 kB SRAM, Ethernet; two HS USBs, AES
engine, LCD, EMC, SPIFI
Rev. 1.2 — 16 March 2016
Product data sheet
1. General description
The LPC43S50/S30/S20 are ARM Cortex-M4 based microcontrollers for embedded
applications which include an ARM Cortex-M0 coprocessor, up to 264 kB of SRAM,
security features with AES engine, advanced configurable peripherals such as the State
Configurable Timer/PWM (SCTimer/PWM) and the Serial General-Purpose I/O (SGPIO)
interface, two High-speed USB controllers, Ethernet, LCD, an external memory controller,
and multiple digital and analog peripherals. The LPC43S50/S30/S20 operate at CPU
frequencies of up to 204 MHz.
The ARM Cortex-M4 is a 32-bit core that offers system enhancements such as low power
consumption, enhanced debug features, and a high level of support block integration. The
ARM Cortex-M4 CPU incorporates a 3-stage pipeline, uses a Harvard architecture with
separate local instruction and data buses as well as a third bus for peripherals, and
includes an internal prefetch unit that supports speculative branching. The ARM
Cortex-M4 supports single-cycle digital signal processing and SIMD instructions. A
hardware floating-point unit is integrated in the core.
The ARM Cortex-M0 coprocessor is an energy-efficient and easy-to-use 32-bit core which
is code- and tool-compatible with the Cortex-M4 core. The Cortex-M0 coprocessor offers
up to 204 MHz performance with a simple instruction set and reduced code size. In
LPC43Sx0, the Cortex-M0 coprocessor hardware multiply is implemented as a 32-cycle
iterative multiplier.
See Section 17 “References” for additional documentation.
2. Features and benefits
Cortex-M4 Processor core
ARM Cortex-M4 processor, running at frequencies of up to 204 MHz.
Built-in Memory Protection Unit (MPU) supporting eight regions.
Built-in Nested Vectored Interrupt Controller (NVIC).
Hardware floating-point unit.
Non-maskable Interrupt (NMI) input.
JTAG and Serial Wire Debug (SWD), serial trace, eight breakpoints, and four watch
points.
Enhanced Trace Module (ETM) and Enhanced Trace Buffer (ETB) support.
System tick timer.
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Cortex-M0 Processor core
ARM Cortex-M0 coprocessor capable of off-loading the main ARM Cortex-M4
application processor.
Running at frequencies of up to 204 MHz.
JTAG
Built-in NVIC.
On-chip memory
Up to 264 kB SRAM for code and data use.
Multiple SRAM blocks with separate bus access. Two SRAM blocks can be
powered down individually.
64 kB ROM containing boot code and on-chip software drivers.
64 bit general-purpose OTP memory.
Two banks (256 bit total) One-Time Programmable (OTP) memory for AES key
storage One bank can store an encrypted key for decoding the boot image.
AES engine for encryption and decryption of the boot image and data with DMA
support and programmable via a ROM-based API.
Clock generation unit
Crystal oscillator with an operating range of 1 MHz to 25 MHz.
12 MHz Internal RC (IRC) oscillator trimmed to 1.5 % accuracy over temperature
and voltage.
Ultra-low power Real-Time Clock (RTC) crystal oscillator.
Three PLLs allow CPU operation up to the maximum CPU rate without the need for
a high-frequency crystal. The second PLL is dedicated to the High-speed USB, the
third PLL can be used as audio PLL.
Clock output.
Configurable digital peripherals
Serial GPIO (SGPIO) interface.
State Configurable Timer (SCTimer/PWM) subsystem on AHB.
Global Input Multiplexer Array (GIMA) allows to cross-connect multiple inputs and
outputs to event driven peripherals like the timers, SCTimer/PWM, and ADC0/1.
Serial interfaces
Quad SPI Flash Interface (SPIFI) with 1-, 2-, or 4-bit data at rates of up to
52 MB per second.
10/100T Ethernet MAC with RMII and MII interfaces and DMA support for high
throughput at low CPU load. Support for IEEE 1588 time stamping/advanced time
stamping (IEEE 1588-2008 v2).
One High-speed USB 2.0 Host/Device/OTG interface with DMA support and
on-chip high-speed PHY (USB0).
One High-speed USB 2.0 Host/Device interface with DMA support, on-chip
full-speed PHY and ULPI interface to external high-speed PHY (USB1).
USB interface electrical test software included in ROM USB stack.
Four 550 UARTs with DMA support: one UART with full modem interface; one
UART with IrDA interface; three USARTs support UART synchronous mode and a
smart card interface conforming to ISO7816 specification.
Up to two C_CAN 2.0B controllers with one channel each. Use of C_CAN controller
excludes operation of all other peripherals connected to the same bus bridge See
Figure 1 and Ref. 2.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
2 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Two SSP controllers with FIFO and multi-protocol support. Both SSPs with DMA
support.
One SPI controller.
One Fast-mode Plus I2C-bus interface with monitor mode and with open-drain I/O
pins conforming to the full I2C-bus specification. Supports data rates of up to
1 Mbit/s.
One standard I2C-bus interface with monitor mode and with standard I/O pins.
Two I2S interfaces, each with DMA support and with one input and one output.
Digital peripherals
External Memory Controller (EMC) supporting external SRAM, ROM, NOR flash,
and SDRAM devices.
LCD controller with DMA support and a programmable display resolution of up to
1024 H 768 V. Supports monochrome and color STN panels and TFT color
panels; supports 1/2/4/8 bpp Color Look-Up Table (CLUT) and 16/24-bit direct pixel
mapping.
Secure Digital Input Output (SD/MMC) card interface.
Eight-channel General-Purpose DMA controller can access all memories on the
AHB and all DMA-capable AHB slaves.
Up to 164 General-Purpose Input/Output (GPIO) pins with configurable
pull-up/pull-down resistors.
GPIO registers are located on the AHB for fast access. GPIO ports have DMA
support.
Up to eight GPIO pins can be selected from all GPIO pins as edge and level
sensitive interrupt sources.
Two GPIO group interrupt modules enable an interrupt based on a programmable
pattern of input states of a group of GPIO pins.
Four general-purpose timer/counters with capture and match capabilities.
One motor control Pulse Width Modulator (PWM) for three-phase motor control.
One Quadrature Encoder Interface (QEI).
Repetitive Interrupt timer (RI timer).
Windowed watchdog timer (WWDT).
Ultra-low power Real-Time Clock (RTC) on separate power domain with 256 bytes
of battery powered backup registers.
Alarm timer; can be battery powered.
Analog peripherals
One 10-bit DAC with DMA support and a data conversion rate of 400 kSamples/s.
Two 10-bit ADCs with DMA support and a data conversion rate of 400 kSamples/s.
Up to eight input channels per ADC.
Unique ID for each device.
Power
Single 3.3 V (2.2 V to 3.6 V) power supply with on-chip internal voltage regulator for
the core supply and the RTC power domain.
RTC power domain can be powered separately by a 3 V battery supply.
Four reduced power modes: Sleep, Deep-sleep, Power-down, and Deep
power-down.
Processor wake-up from Sleep mode via wake-up interrupts from various
peripherals.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
3 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Wake-up from Deep-sleep, Power-down, and Deep power-down modes via
external interrupts and interrupts generated by battery powered blocks in the RTC
power domain.
Brownout detect with four separate thresholds for interrupt and forced reset.
Power-On Reset (POR).
Available as LBGA256, TFBGA180, and TFBGA100 packages and as LQFP144
package.
3. Applications
Communication hubs
Embedded audio applications
Industrial control
Automotive aftermarket
Power management
Industrial automation
white goods
Consumer health devices
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
4 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
4. Ordering information
Table 1.
Ordering information
Type number
Package
Name
Description
Plastic low profile ball grid array package; 256 balls; body 17 17 1 mm
LPC43S50FET180 TFBGA180 Thin fine-pitch ball grid array package; 180 balls
LPC43S30FET256 LBGA256 Plastic low profile ball grid array package; 256 balls; body 17 17 1 mm
Version
LPC43S50FET256 LBGA256
SOT740-2
SOT570-3
SOT740-2
LPC43S30FET100 TFBGA100 Plastic thin fine-pitch ball grid array package; 100 balls; body 9 9 0.7 mm SOT926-1
LPC43S30FBD144 LQFP144
LPC43S20FBD144 LQFP144
Plastic low profile quad flat package; 144 leads; body 20 20 1.4 mm
Plastic low profile quad flat package; 144 leads; body 20 20 1.4 mm
SOT486-1
SOT486-1
SOT570-3
LPC43S20FET180 TFBGA180 Thin fine-pitch ball grid array package; 180 balls
4.1 Ordering options
Table 2.
Ordering options
Type number
Total
SRAM
LCD Ethernet USB0
(Host,
USB1
(Host,
ADC
channels control
PWM
Motor
QEI
GPIO Package
Device, Device)/
OTG)
ULPI
interface
LPC43S50FET256 264 kB yes yes
LPC43S50FET180 264 kB yes yes
yes
yes
yes
yes
yes
yes
yes
yes/yes
yes/yes
yes/yes
yes/no
yes/no
no
8
8
8
4
8
8
8
yes
yes
yes
no
yes
yes
yes
no
164
118
164
49
LBGA256
TFBGA180
LBGA256
TFBGA100
LQFP144
LQFP144
TFBGA100
LPC43S30FET256 264 kB no
LPC43S30FET100 264 kB no
LPC43S30FBD144 264 kB no
LPC43S20FBD144 200 kB no
LPC43S20FET180 200 kB no
yes
yes
yes
no
yes
yes
yes
no
83
no
83
no
no
no
118
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
5 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
5. Block diagram
LPC43S50/30/20
TEST/DEBUG
INTERFACE
TEST/DEBUG
INTERFACE
ARM
HIGH-SPEED PHY
HIGH-SPEED
CORTEX-M0
ARM
CORTEX-M4
(1)
ETHERNET
10/100
HIGH-SPEED
(1)
SD/
MMC
USB0
(1)
(1)
LCD
USB1
DMA
MAC
HOST/
DEVICE/OTG
HOST/DEVICE
IEEE 1588
masters
slaves
BRIDGE
AHB MULTILAYER MATRIX
SPI
SGPIO
slaves
128 kB LOCAL SRAM
BRIDGE
BRIDGE 0
BRIDGE 1
BRIDGE 2
BRIDGE 3
BRIDGE
72 kB LOCAL SRAM
64 kB ROM
ALARM TIMER
2
RI TIMER
USART2
USART3
TIMER2
TIMER3
SSP1
I C1
CGU
CCU1
CCU2
RGU
WWDT
MOTOR
32 kB AHB SRAM
CONTROL
(1)
BACKUP REGISTERS
USART0
10-bit DAC
C_CAN0
PWM
16 +16 kB AHB SRAM
2
I C0
POWER MODE CONTROL
SCT
UART1
SSP0
2
I S0
10-bit ADC0
10-bit ADC1
CONFIGURATION
EMC
HS GPIO
SPIFI
REGISTERS
2
I S1
TIMER0
EVENT ROUTER
C_CAN1
TIMER1
SCU
OTP MEMORY
(1)
QEI
RTC
RTC OSC
AES ENCRYPTION/
DECRYPTION
GIMA
GPIO
INTERRUPTS
12 MHz IRC
GPIO GROUP0
INTERRUPT
RTC POWER DOMAIN
GPIO GROUP1
INTERRUPT
= connected to GPDMA
aaa-013539
(1) Not available on all parts (see Table 2).
Fig 1. LPC43S50/S30/S20 Block diagram
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
6 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
6. Pinning information
6.1 Pinning
LPC43S50/30FET256
LPC43S50/20FET180
ball A1
index area
ball A1
index area
2
4
6
8
10 12 14 16
11 13 15
2
4
6
8
10
12
14
1
3
5
7
9
1
3
5
7
9
11
13
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
T
A
B
C
D
E
F
G
H
J
K
L
M
N
P
aaa-016769
aaa-016770
Transparent top view
Transparent top view
Fig 2. Pin configuration LBGA256 package
Fig 3. Pin configuration TFBGA180 package
ball A1
index area
LPC43S30FET100
1
2
3
4
5
6
7
8
9 10
A
B
C
D
E
F
109
144
72
G
H
J
LPC43S30/20FBD144
K
37
aaa-016771
Transparent top view
aaa-016772
Fig 4. Pin configuration TFBGA100 package
Fig 5. Pin configuration LQFP144 package
6.2 Pin description
On the LPC43S50/S30/S20, digital pins are grouped into 16 ports, named P0 to P9 and
PA to PF, with up to 20 pins used per port. Each digital pin can support up to eight different
digital functions, including General-Purpose I/O (GPIO), selectable through the System
Configuration Unit (SCU) registers. The pin name is not indicative of the GPIO port
assigned to it.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
7 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Not all functions listed in Table 3 are available on all packages. See Table 2 for availability
of USB0, USB1, Ethernet, and LCD functions.
The parts contain two 10-bit ADCs (ADC0 and ADC1). The input channels of ADC0 and
ADC1 on dedicated pins and multiplexed pins are combined in such a way that all channel
0 inputs (named ADC0_0 and ADC1_0) are tied together and connected to both, channel
0 on ADC0 and channel 0 on ADC1, channel 1 inputs (named ADC0_1 and ADC1_1) are
tied together and connected to channel 1 on ADC0 and ADC1, and so forth. There are
eight ADC channels total for the two ADCs.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
8 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
Multiplexed digital pins
[2]
P0_0
L3
K3
G2 32
N;
PU
I/O GPIO0[0] — General purpose digital input/output pin.
I/O SSP1_MISO — Master In Slave Out for SSP1.
I
ENET_RXD1 — Ethernet receive data 1 (RMII/MII interface).
I/O SGPIO0 — General purpose digital input/output pin.
-
-
R — Function reserved.
R — Function reserved.
I/O I2S0_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
I/O I2S1_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
[2]
P0_1
M2
K2
G1 34
N;
PU
I/O GPIO0[1] — General purpose digital input/output pin.
I/O SSP1_MOSI — Master Out Slave in for SSP1.
I
ENET_COL — Ethernet Collision detect (MII interface).
I/O SGPIO1 — General purpose digital input/output pin.
-
-
R — Function reserved.
R — Function reserved.
ENET_TX_EN — Ethernet transmit enable (RMII/MII
interface).
I/O I2S1_TX_SDA — I2S1 transmit data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
[2]
P1_0
P2
L1
H1 38
N;
I/O GPIO0[4] — General purpose digital input/output pin.
PU
I
CTIN_3 — SCTimer/PWM input 3. Capture input 1 of timer 1.
I/O EMC_A5 — External memory address line 5.
-
-
R — Function reserved.
R — Function reserved.
I/O SSP0_SSEL — Slave Select for SSP0.
I/O SGPIO7 — General purpose digital input/output pin.
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
[2]
P1_1
R2
R3
P5
T3
N1
N2
M2
P2
K2
K1
J1
J2
42
43
44
47
N;
PU
I/O GPIO0[8] — General purpose digital input/output pin. Boot pin
(see Table 5).
O
CTOUT_7 — SCTimer/PWM output 7. Match output 3 of timer
1.
I/O EMC_A6 — External memory address line 6.
I/O SGPIO8 — General purpose digital input/output pin.
-
R — Function reserved.
I/O SSP0_MISO — Master In Slave Out for SSP0.
-
-
R — Function reserved.
R — Function reserved.
P1_2
P1_3
P1_4
N;
PU
I/O GPIO0[9] — General purpose digital input/output pin. Boot pin
(see Table 5).
O
CTOUT_6 — SCTimer/PWM output 6. Match output 2 of timer
1.
I/O EMC_A7 — External memory address line 7.
I/O SGPIO9 — General purpose digital input/output pin.
-
R — Function reserved.
I/O SSP0_MOSI — Master Out Slave in for SSP0.
-
-
R — Function reserved.
R — Function reserved.
N;
PU
I/O GPIO0[10] — General purpose digital input/output pin.
O
CTOUT_8 — SCTimer/PWM output 8. Match output 0 of timer
2.
I/O SGPIO10 — General purpose digital input/output pin.
O
O
EMC_OE — LOW active Output Enable signal.
USB0_IND1 — USB0 port indicator LED control
output 1.
I/O SSP1_MISO — Master In Slave Out for SSP1.
-
R — Function reserved.
O
SD_RST — SD/MMC reset signal for MMC4.4 card.
N;
I/O GPIO0[11] — General purpose digital input/output pin.
PU
O
CTOUT_9 — SCTimer/PWM output 9. Match output 3 of timer
3.
I/O SGPIO11 — General purpose digital input/output pin.
O
O
EMC_BLS0 — LOW active Byte Lane select signal 0.
USB0_IND0 — USB0 port indicator LED control output 0.
I/O SSP1_MOSI — Master Out Slave in for SSP1.
-
R — Function reserved.
O
SD_VOLT1 — SD/MMC bus voltage select output 1.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P1_5
R5
N3
J4
48
N;
I/O GPIO1[8] — General purpose digital input/output pin.
PU
O
CTOUT_10 — SCTimer/PWM output 10. Match output 3 of
timer 3.
-
R — Function reserved.
O
I
EMC_CS0 — LOW active Chip Select 0 signal.
USB0_PWR_FAULT — Port power fault signal indicating
overcurrent condition; this signal monitors over-current on the
USB bus (external circuitry required to detect over-current
condition).
I/O SSP1_SSEL — Slave Select for SSP1.
I/O SGPIO15 — General purpose digital input/output pin.
O
SD_POW — SD/MMC power monitor output.
[2]
P1_6
T4
P3
K4
49
N;
I/O GPIO1[9] — General purpose digital input/output pin.
PU
I
CTIN_5 — SCTimer/PWM input 5. Capture input 2 of timer 2.
R — Function reserved.
-
O
-
EMC_WE — LOW active Write Enable signal.
R — Function reserved.
-
R — Function reserved.
I/O SGPIO14 — General purpose digital input/output pin.
I/O SD_CMD — SD/MMC command signal.
[2]
P1_7
T5
N4
G4 50
N;
I/O GPIO1[0] — General purpose digital input/output pin.
PU
I
U1_DSR — Data Set Ready input for UART1.
O
CTOUT_13 — SCTimer/PWM output 13. Match output 3 of
timer 3.
I/O EMC_D0 — External memory data line 0.
O
USB0_PPWR — VBUS drive signal (towards external charge
pump or power management unit); indicates that VBUS must
be driven (active HIGH).
Add a pull-down resistor to disable the power switch at reset.
This signal has opposite polarity compared to the USB_PPWR
used on other NXP LPC parts.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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Product data sheet
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
[2]
P1_8
R7
T7
R8
T9
M5
N5
N6
P8
H5 51
N;
PU
I/O GPIO1[1] — General purpose digital input/output pin.
O
O
U1_DTR — Data Terminal Ready output for UART1.
CTOUT_12 — SCTimer/PWM output 12. Match output 3 of
timer 3.
I/O EMC_D1 — External memory data line 1.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
O
SD_VOLT0 — SD/MMC bus voltage select output 0.
P1_9
J5
52
N;
PU
I/O GPIO1[2] — General purpose digital input/output pin.
O
O
U1_RTS — Request to Send output for UART1.
CTOUT_11 — SCTimer/PWM output 11. Match output 3 of
timer 2.
I/O EMC_D2 — External memory data line 2.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
I/O SD_DAT0 — SD/MMC data bus line 0.
P1_10
H6 53
N;
PU
I/O GPIO1[3] — General purpose digital input/output pin.
I
U1_RI — Ring Indicator input for UART1.
O
CTOUT_14 — SCTimer/PWM output 14. Match output 2 of
timer 3.
I/O EMC_D3 — External memory data line 3.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
I/O SD_DAT1 — SD/MMC data bus line 1.
P1_11
J7
55
N;
I/O GPIO1[4] — General purpose digital input/output pin.
PU
I
U1_CTS — Clear to Send input for UART1.
O
CTOUT_15 — SCTimer/PWM output 15. Match output 3 of
timer 3.
I/O EMC_D4 — External memory data line 4.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
I/O SD_DAT2 — SD/MMC data bus line 2.
LPC43S50_S30_S20
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
[2]
P1_12
R9
P7
K7
56
N;
PU
I/O GPIO1[5] — General purpose digital input/output pin.
I
U1_DCD — Data Carrier Detect input for UART1.
R — Function reserved.
-
I/O EMC_D5 — External memory data line 5.
I
T0_CAP1 — Capture input 1 of timer 0.
R — Function reserved.
-
I/O SGPIO8 — General purpose digital input/output pin.
I/O SD_DAT3 — SD/MMC data bus line 3.
P1_13
P1_14
P1_15
R10 L8
H8 60
N;
PU
I/O GPIO1[6] — General purpose digital input/output pin.
O
-
U1_TXD — Transmitter output for UART1.
R — Function reserved.
I/O EMC_D6 — External memory data line 6.
I
T0_CAP0 — Capture input 0 of timer 0.
R — Function reserved.
-
I/O SGPIO9 — General purpose digital input/output pin.
SD_CD — SD/MMC card detect input.
I/O GPIO1[7] — General purpose digital input/output pin.
I
R11 K7
J8
61
N;
PU
I
U1_RXD — Receiver input for UART1.
R — Function reserved.
-
I/O EMC_D7 — External memory data line 7.
O
-
T0_MAT2 — Match output 2 of timer 0.
R — Function reserved.
I/O SGPIO10 — General purpose digital input/output pin.
R — Function reserved.
I/O GPIO0[2] — General purpose digital input/output pin.
U2_TXD — Transmitter output for USART2.
I/O SGPIO2 — General purpose digital input/output pin.
-
T12 P11 K8
62
N;
PU
O
I
ENET_RXD0 — Ethernet receive data 0 (RMII/MII interface).
T0_MAT1 — Match output 1 of timer 0.
R — Function reserved.
O
-
-
R — Function reserved.
-
R — Function reserved.
LPC43S50_S30_S20
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Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[3]
[2]
[2]
P1_16
M7
L5
H9 64
N;
PU
I/O GPIO0[3] — General purpose digital input/output pin.
I
U2_RXD — Receiver input for USART2.
I/O SGPIO3 — General purpose digital input/output pin.
I
ENET_CRS — Ethernet Carrier Sense (MII interface).
T0_MAT0 — Match output 0 of timer 0.
R — Function reserved.
O
-
-
R — Function reserved.
I
ENET_RX_DV — Ethernet Receive Data Valid (RMII/MII
interface).
P1_17
P1_18
P1_19
M8
L6
H10 66
N;
PU
I/O GPIO0[12] — General purpose digital input/output pin.
I/O U2_UCLK — Serial clock input/output for USART2 in
synchronous mode.
-
R — Function reserved.
I/O ENET_MDIO — Ethernet MIIM data input and output.
I
T0_CAP3 — Capture input 3 of timer 0.
CAN1_TD — CAN1 transmitter output.
O
I/O SGPIO11 — General purpose digital input/output pin.
R — Function reserved.
-
N12 N10 J10 67
N;
PU
I/O GPIO0[13] — General purpose digital input/output pin.
I/O U2_DIR — RS-485/EIA-485 output enable/direction control for
USART2.
-
R — Function reserved.
O
O
I
ENET_TXD0 — Ethernet transmit data 0 (RMII/MII interface).
T0_MAT3 — Match output 3 of timer 0.
CAN1_RD — CAN1 receiver input.
I/O SGPIO12 — General purpose digital input/output pin.
-
I
R — Function reserved.
M11 N9
K9
68
N;
PU
ENET_TX_CLK (ENET_REF_CLK) — Ethernet Transmit
Clock (MII interface) or Ethernet Reference Clock (RMII
interface).
I/O SSP1_SCK — Serial clock for SSP1.
-
R — Function reserved.
-
R — Function reserved.
O
-
CLKOUT — Clock output pin.
R — Function reserved.
O
I2S0_RX_MCLK — I2S receive master clock.
I/O I2S1_TX_SCK — Transmit Clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in
the I2S-bus specification.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
14 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P1_20
M10 J10 K10 70
N;
PU
I/O GPIO0[15] — General purpose digital input/output pin.
I/O SSP1_SSEL — Slave Select for SSP1.
-
R — Function reserved.
O
I
ENET_TXD1 — Ethernet transmit data 1 (RMII/MII interface).
T0_CAP2 — Capture input 2 of timer 0.
R — Function reserved.
-
I/O SGPIO13 — General purpose digital input/output pin.
R — Function reserved.
I/O SGPIO4 — General purpose digital input/output pin.
U0_TXD — Transmitter output for USART0.
I/O EMC_A13 — External memory address line 13.
-
[2]
P2_0
T16 N14 G10 75
N;
PU
O
O
USB0_PPWR — VBUS drive signal (towards external charge
pump or power management unit); indicates that VBUS must
be driven (active HIGH).
Add a pull-down resistor to disable the power switch at reset.
This signal has opposite polarity compared to the USB_PPWR
used on other NXP LPC parts.
I/O GPIO5[0] — General purpose digital input/output pin.
-
R — Function reserved.
I
T3_CAP0 — Capture input 0 of timer 3.
ENET_MDC — Ethernet MIIM clock.
O
[2]
P2_1
N15 M13 G7 81
N;
PU
I/O SGPIO5 — General purpose digital input/output pin.
U0_RXD — Receiver input for USART0.
I/O EMC_A12 — External memory address line 12.
I
I
USB0_PWR_FAULT — Port power fault signal indicating
overcurrent condition; this signal monitors over-current on the
USB bus (external circuitry required to detect over-current
condition).
I/O GPIO5[1] — General purpose digital input/output pin.
-
I
R — Function reserved.
T3_CAP1 — Capture input 1 of timer 3.
R — Function reserved.
-
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
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15 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P2_2
M15 L13 F5
84
N;
I/O SGPIO6 — General purpose digital input/output pin.
PU
I/O U0_UCLK — Serial clock input/output for USART0 in
synchronous mode.
I/O EMC_A11 — External memory address line 11.
O
USB0_IND1 — USB0 port indicator LED control output 1.
I/O GPIO5[2] — General purpose digital input/output pin.
I
I
-
CTIN_6 — SCTimer/PWM input 6. Capture input 1 of timer 3.
T3_CAP2 — Capture input 2 of timer 3.
R — Function reserved.
[3]
P2_3
J12 G11 D8 87
N;
I/O SGPIO12 — General purpose digital input/output pin.
PU
I/O I2C1_SDA — I2C1 data input/output (this pin does not use a
specialized I2C pad).
O
I
U3_TXD — Transmitter output for USART3.
CTIN_1 — SCTimer/PWM input 1. Capture input 1 of timer 0.
Capture input 1 of timer 2.
I/O GPIO5[3] — General purpose digital input/output pin.
-
R — Function reserved.
O
O
T3_MAT0 — Match output 0 of timer 3.
USB0_PPWR — VBUS drive signal (towards external charge
pump or power management unit); indicates that VBUS must
be driven (active HIGH).
Add a pull-down resistor to disable the power switch at reset.
This signal has opposite polarity compared to the USB_PPWR
used on other NXP LPC parts.
[3]
P2_4
K11 L9
D9 88
N;
I/O SGPIO13 — General purpose digital input/output pin.
PU
I/O I2C1_SCL — I2C1 clock input/output (this pin does not use a
specialized I2C pad).
I
I
U3_RXD — Receiver input for USART3.
CTIN_0 — SCTimer/PWM input 0. Capture input 0 of timer 0,
1, 2, 3.
I/O GPIO5[4] — General purpose digital input/output pin.
-
R — Function reserved.
O
I
T3_MAT1 — Match output 1 of timer 3.
USB0_PWR_FAULT — Port power fault signal indicating
overcurrent condition; this signal monitors over-current on the
USB bus (external circuitry required to detect over-current
condition).
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
16 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[3]
P2_5
K14 J12 D10 91
N;
I/O SGPIO14 — General purpose digital input/output pin.
PU
I
I
CTIN_2 — SCTimer/PWM input 2. Capture input 2 of timer 0.
USB1_VBUS — Monitors the presence of USB1 bus power.
Note: This signal must be HIGH for USB reset to occur.
ADCTRIG1 — ADC trigger input 1.
I
I/O GPIO5[5] — General purpose digital input/output pin.
-
R — Function reserved.
O
O
T3_MAT2 — Match output 2 of timer 3.
USB0_IND0 — USB0 port indicator LED control output 0.
[2]
P2_6
K16 J14 G9 95
N;
I/O SGPIO7 — General purpose digital input/output pin.
PU
I/O U0_DIR — RS-485/EIA-485 output enable/direction control for
USART0.
I/O EMC_A10 — External memory address line 10.
O
USB0_IND0 — USB0 port indicator LED control
output 0.
I/O GPIO5[6] — General purpose digital input/output pin.
I
I
-
CTIN_7 — SCTimer/PWM input 7.
T3_CAP3 — Capture input 3 of timer 3.
R — Function reserved.
[2]
P2_7
H14 G12 C10 96
N;
PU
I/O GPIO0[7] — General purpose digital input/output pin. If this pin
is pulled LOW at reset, the part enters ISP mode using
USART0.
O
CTOUT_1 — SCTimer/PWM output 1. Match output 3 of timer
3.
I/O U3_UCLK — Serial clock input/output for USART3 in
synchronous mode.
I/O EMC_A9 — External memory address line 9.
-
R — Function reserved.
-
R — Function reserved.
O
-
T3_MAT3 — Match output 3 of timer 3.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
17 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P2_8
J16 H14 C6 98
N;
I/O SGPIO15 — General purpose digital input/output pin. Boot pin
PU
(see Table 5).
O
CTOUT_0 — SCTimer/PWM output 0. Match output 0 of timer
0.
I/O U3_DIR — RS-485/EIA-485 output enable/direction control for
USART3.
I/O EMC_A8 — External memory address line 8.
I/O GPIO5[7] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
P2_9
H16 G14 B10 102
N;
I/O GPIO1[10] — General purpose digital input/output pin. Boot
PU
pin (see Table 5.
O
CTOUT_3 — SCTimer/PWM output 3. Match output 3 of timer
0.
I/O U3_BAUD — Baud pin for USART3.
I/O EMC_A0 — External memory address line 0.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
P2_10
G16 F14 E8
104
N;
I/O GPIO0[14] — General purpose digital input/output pin.
PU
O
CTOUT_2 — SCTimer/PWM output 2. Match output 2 of timer
0.
O
U2_TXD — Transmitter output for USART2.
I/O EMC_A1 — External memory address line 1.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
P2_11
F16 E13 A9
105
N;
I/O GPIO1[11] — General purpose digital input/output pin.
PU
O
CTOUT_5 — SCTimer/PWM output 5. Match output 3 of timer
3.
I
U2_RXD — Receiver input for USART2.
I/O EMC_A2 — External memory address line 2.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
18 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P2_12
E15 D13 B9
106
N;
I/O GPIO1[12] — General purpose digital input/output pin.
PU
O
CTOUT_4 — SCTimer/PWM output 4. Match output 3 of timer
3.
-
R — Function reserved.
I/O EMC_A3 — External memory address line 3.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
I/O U2_UCLK — Serial clock input/output for USART2 in
synchronous mode.
[2]
P2_13
C16 E14 A10 108
N;
I/O GPIO1[13] — General purpose digital input/output pin.
PU
I
CTIN_4 — SCTimer/PWM input 4. Capture input 2 of timer 1.
R — Function reserved.
-
I/O EMC_A4 — External memory address line 4.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
I/O U2_DIR — RS-485/EIA-485 output enable/direction control for
USART2.
[2]
P3_0
F13 D12 A8
112
N;
PU
I/O I2S0_RX_SCK — I2S receive clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in
the I2S-bus specification.
O
I2S0_RX_MCLK — I2S receive master clock.
I/O I2S0_TX_SCK — Transmit Clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in
the I2S-bus specification.
O
I2S0_TX_MCLK — I2S transmit master clock.
I/O SSP0_SCK — Serial clock for SSP0.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
19 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[4]
P3_1
G11 D10 F7
114
N;
PU
I/O I2S0_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
I/O I2S0_RX_WS — Receive Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
I
CAN0_RD — CAN receiver input.
O
USB1_IND1 — USB1 Port indicator LED control output 1.
I/O GPIO5[8] — General purpose digital input/output pin.
-
R — Function reserved.
LCD_VD15 — LCD data.
R — Function reserved.
O
-
P3_2
F11 D9
G6 116
OL; I/O I2S0_TX_SDA — I2S transmit data. It is driven by the
PU
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
I/O I2S0_RX_SDA — I2S Receive data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
O
O
CAN0_TD — CAN transmitter output.
USB1_IND0 — USB1 Port indicator LED control output 0.
I/O GPIO5[9] — General purpose digital input/output pin.
-
R — Function reserved.
LCD_VD14 — LCD data.
R — Function reserved.
R — Function reserved.
O
-
P3_3
B14 B13 A7
118
N;
-
PU
I/O SPI_SCK — Serial clock for SPI.
I/O SSP0_SCK — Serial clock for SSP0.
O
O
-
SPIFI_SCK — Serial clock for SPIFI.
CGU_OUT1 — CGU spare clock output 1.
R — Function reserved.
O
I2S0_TX_MCLK — I2S transmit master clock.
I/O I2S1_TX_SCK — Transmit Clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in
the I2S-bus specification.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
20 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P3_4
A15 C14 B8
119
N;
I/O GPIO1[14] — General purpose digital input/output pin.
PU
-
-
R — Function reserved.
R — Function reserved.
I/O SPIFI_SIO3 — I/O lane 3 for SPIFI.
U1_TXD — Transmitter output for UART 1.
O
I/O I2S0_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
I/O I2S1_RX_SDA — I2S1 Receive data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
O
LCD_VD13 — LCD data.
[2]
P3_5
C12 C11 B7
121
N;
I/O GPIO1[15] — General purpose digital input/output pin.
PU
-
-
R — Function reserved.
R — Function reserved.
I/O SPIFI_SIO2 — I/O lane 2 for SPIFI.
U1_RXD — Receiver input for UART 1.
I
I/O I2S0_TX_SDA — I2S transmit data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
I/O I2S1_RX_WS — Receive Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
O
LCD_VD12 — LCD data.
[2]
P3_6
B13 B12 C7 122
N;
PU
I/O GPIO0[6] — General purpose digital input/output pin.
I/O SPI_MISO — Master In Slave Out for SPI.
I/O SSP0_SSEL — Slave Select for SSP0.
I/O SPIFI_MISO — Input 1 in SPIFI quad mode; SPIFI output IO1.
-
R — Function reserved.
I/O SSP0_MISO — Master In Slave Out for SSP0.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
P3_7
C11 C10 D7 123
N;
PU
I/O SPI_MOSI — Master Out Slave In for SPI.
I/O SSP0_MISO — Master In Slave Out for SSP0.
I/O SPIFI_MOSI — Input I0 in SPIFI quad mode; SPIFI output IO0.
I/O GPIO5[10] — General purpose digital input/output pin.
I/O SSP0_MOSI — Master Out Slave in for SSP0.
-
-
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
21 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P3_8
C10 C9
E7
124
N;
PU
-
I
R — Function reserved.
SPI_SSEL — Slave Select for SPI. Note that this pin in an
input pin only. The SPI in master mode cannot drive the CS
input on the slave. Any GPIO pin can be used for SPI chip
select in master mode.
I/O SSP0_MOSI — Master Out Slave in for SSP0.
I/O SPIFI_CS — SPIFI serial flash chip select.
I/O GPIO5[11] — General purpose digital input/output pin.
I/O SSP0_SSEL — Slave Select for SSP0.
-
-
R — Function reserved.
R — Function reserved.
[2]
P4_0
D5
D4
-
1
N;
I/O GPIO2[0] — General purpose digital input/output pin.
PU
O
I
MCOA0 — Motor control PWM channel 0, output A.
NMI — External interrupt input to NMI.
R — Function reserved.
-
-
R — Function reserved.
O
LCD_VD13 — LCD data.
I/O U3_UCLK — Serial clock input/output for USART3 in
synchronous mode.
-
R — Function reserved.
[5]
P4_1
A1
D3
-
3
N;
I/O GPIO2[1] — General purpose digital input/output pin.
PU
O
CTOUT_1 — SCTimer/PWM output 1. Match output 3 of timer
3.
O
-
LCD_VD0 — LCD data.
R — Function reserved.
-
R — Function reserved.
O
O
I
LCD_VD19 — LCD data.
U3_TXD — Transmitter output for USART3.
ENET_COL — Ethernet Collision detect (MII interface).
AI ADC0_1 — ADC0 and ADC1, input channel 1. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
22 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P4_2
D3
A2
-
8
N;
I/O GPIO2[2] — General purpose digital input/output pin.
PU
O
CTOUT_0 — SCTimer/PWM output 0. Match output 0 of timer
0.
O
-
LCD_VD3 — LCD data.
R — Function reserved.
-
R — Function reserved.
O
I
LCD_VD12 — LCD data.
U3_RXD — Receiver input for USART3.
I/O SGPIO8 — General purpose digital input/output pin.
I/O GPIO2[3] — General purpose digital input/output pin.
[5]
P4_3
C2
B2
-
7
N;
PU
O
CTOUT_3 — SCTimer/PWM output 3. Match output 3 of timer
0.
O
-
LCD_VD2 — LCD data.
R — Function reserved.
R — Function reserved.
LCD_VD21 — LCD data.
-
O
I/O U3_BAUD — Baud pin for USART3.
I/O SGPIO9 — General purpose digital input/output pin.
AI ADC0_0 — DAC output; ADC0 and ADC1, input channel 0.
Configure the pin as GPIO input and use the ADC function
select register in the SCU to select the ADC.
[5]
P4_4
B1
A1
-
9
N;
I/O GPIO2[4] — General purpose digital input/output pin.
PU
O
CTOUT_2 — SCTimer/PWM output 2. Match output 2 of timer
0.
O
-
LCD_VD1 — LCD data.
R — Function reserved.
R — Function reserved.
LCD_VD20 — LCD data.
-
O
I/O U3_DIR — RS-485/EIA-485 output enable/direction control for
USART3.
I/O SGPIO10 — General purpose digital input/output pin.
O
DAC — DAC output. Shared between 10-bit ADC0/1 and
DAC.. Configure the pin as GPIO input and use the analog
function select register in the SCU to select the DAC.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
P4_5
D2
C1
H4
C2
B1
F4
-
-
-
10
11
14
N;
PU
I/O GPIO2[5] — General purpose digital input/output pin.
O
CTOUT_5 — SCTimer/PWM output 5. Match output 3 of timer
3.
O
LCD_FP — Frame pulse (STN). Vertical synchronization pulse
(TFT).
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
I/O SGPIO11 — General purpose digital input/output pin.
I/O GPIO2[6] — General purpose digital input/output pin.
P4_6
N;
PU
O
CTOUT_4 — SCTimer/PWM output 4. Match output 3 of timer
3.
O
LCD_ENAB/LCDM — STN AC bias drive or TFT data enable
input.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
I/O SGPIO12 — General purpose digital input/output pin.
P4_7
O;
PU
O
I
LCD_DCLK — LCD panel clock.
GP_CLKIN — General-purpose clock input to the CGU.
R — Function reserved.
-
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
I/O I2S1_TX_SCK — Transmit Clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in
the I2S-bus specification.
I/O I2S0_TX_SCK — Transmit Clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in
the I2S-bus specification.
[2]
P4_8
E2
D2
-
15
N;
-
R — Function reserved.
PU
I
CTIN_5 — SCTimer/PWM input 5. Capture input 2 of timer 2.
LCD_VD9 — LCD data.
O
-
R — Function reserved.
I/O GPIO5[12] — General purpose digital input/output pin.
O
O
LCD_VD22 — LCD data.
CAN1_TD — CAN1 transmitter output.
I/O SGPIO13 — General purpose digital input/output pin.
LPC43S50_S30_S20
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Product data sheet
Rev. 1.2 — 16 March 2016
24 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
[2]
P4_9
L2
J2
-
-
-
-
33
35
37
39
N;
PU
-
R — Function reserved.
I
CTIN_6 — SCTimer/PWM input 6. Capture input 1 of timer 3.
LCD_VD11 — LCD data.
O
-
R — Function reserved.
I/O GPIO5[13] — General purpose digital input/output pin.
O
I
LCD_VD15 — LCD data.
CAN1_RD — CAN1 receiver input.
I/O SGPIO14 — General purpose digital input/output pin.
P4_10
P5_0
P5_1
M3
N3
P3
L3
L2
M1
N;
PU
-
R — Function reserved.
I
CTIN_2 — SCTimer/PWM input 2. Capture input 2 of timer 0.
LCD_VD10 — LCD data.
O
-
R — Function reserved.
I/O GPIO5[14] — General purpose digital input/output pin.
O
-
LCD_VD14 — LCD data.
R — Function reserved.
I/O SGPIO15 — General purpose digital input/output pin.
I/O GPIO2[9] — General purpose digital input/output pin.
N;
PU
O
MCOB2 — Motor control PWM channel 2, output B.
I/O EMC_D12 — External memory data line 12.
-
I
R — Function reserved.
U1_DSR — Data Set Ready input for UART 1.
T1_CAP0 — Capture input 0 of timer 1.
R — Function reserved.
I
-
-
R — Function reserved.
N;
PU
I/O GPIO2[10] — General purpose digital input/output pin.
MCI2 — Motor control PWM channel 2, input.
I/O EMC_D13 — External memory data line 13.
I
-
R — Function reserved.
O
U1_DTR — Data Terminal Ready output for UART 1. Can also
be configured to be an RS-485/EIA-485 output enable signal
for UART 1.
I
T1_CAP1 — Capture input 1 of timer 1.
R — Function reserved.
-
-
R — Function reserved.
LPC43S50_S30_S20
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Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P5_2
R4
M3
-
46
N;
I/O GPIO2[11] — General purpose digital input/output pin.
PU
I
MCI1 — Motor control PWM channel 1, input.
I/O EMC_D14 — External memory data line 14.
-
R — Function reserved.
O
U1_RTS — Request to Send output for UART 1. Can also be
configured to be an RS-485/EIA-485 output enable signal for
UART 1.
I
T1_CAP2 — Capture input 2 of timer 1.
R — Function reserved.
-
-
R — Function reserved.
[2]
[2]
[2]
P5_3
P5_4
P5_5
T8
P6
-
-
-
54
57
58
N;
PU
I/O GPIO2[12] — General purpose digital input/output pin.
MCI0 — Motor control PWM channel 0, input.
I/O EMC_D15 — External memory data line 15.
I
-
I
R — Function reserved.
U1_RI — Ring Indicator input for UART 1.
T1_CAP3 — Capture input 3 of timer 1.
R — Function reserved.
I
-
-
R — Function reserved.
P9
N7
N;
PU
I/O GPIO2[13] — General purpose digital input/output pin.
MCOB0 — Motor control PWM channel 0, output B.
I/O EMC_D8 — External memory data line 8.
O
-
R — Function reserved.
I
U1_CTS — Clear to Send input for UART 1.
T1_MAT0 — Match output 0 of timer 1.
R — Function reserved.
O
-
-
R — Function reserved.
P10 N8
N;
PU
I/O GPIO2[14] — General purpose digital input/output pin.
MCOA1 — Motor control PWM channel 1, output A.
I/O EMC_D9 — External memory data line 9.
O
-
R — Function reserved.
I
U1_DCD — Data Carrier Detect input for UART 1.
T1_MAT1 — Match output 1 of timer 1.
R — Function reserved.
O
-
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
26 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
P5_6
T13 M11
-
63
N;
PU
I/O GPIO2[15] — General purpose digital input/output pin.
O
MCOB1 — Motor control PWM channel 1, output B.
I/O EMC_D10 — External memory data line 10.
-
R — Function reserved.
O
O
-
U1_TXD — Transmitter output for UART 1.
T1_MAT2 — Match output 2 of timer 1.
R — Function reserved.
-
R — Function reserved.
P5_7
R12 N11
-
65
N;
PU
I/O GPIO2[7] — General purpose digital input/output pin.
MCOA2 — Motor control PWM channel 2, output A.
I/O EMC_D11 — External memory data line 11.
O
-
R — Function reserved.
I
U1_RXD — Receiver input for UART 1.
T1_MAT3 — Match output 3 of timer 1.
R — Function reserved.
O
-
-
R — Function reserved.
P6_0
M12 M10 H7 73
N;
-
R — Function reserved.
PU
O
-
I2S0_RX_MCLK — I2S receive master clock.
R — Function reserved.
-
R — Function reserved.
I/O I2S0_RX_SCK — Receive Clock. It is driven by the master and
received by the slave. Corresponds to the signal SCK in the
I2S-bus specification.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
P6_1
R15 P14 G5 74
N;
PU
I/O GPIO3[0] — General purpose digital input/output pin.
EMC_DYCS1 — SDRAM chip select 1.
O
I/O U0_UCLK — Serial clock input/output for USART0 in
synchronous mode.
I/O I2S0_RX_WS — Receive Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
-
I
R — Function reserved.
T2_CAP0 — Capture input 2 of timer 2.
R — Function reserved.
-
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
27 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P6_2
L13 K11 J9
78
N;
I/O GPIO3[1] — General purpose digital input/output pin.
PU
O
EMC_CKEOUT1 — SDRAM clock enable 1.
I/O U0_DIR — RS-485/EIA-485 output enable/direction control for
USART0.
I/O I2S0_RX_SDA — I2S Receive data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
-
I
R — Function reserved.
T2_CAP1 — Capture input 1 of timer 2.
R — Function reserved.
-
-
R — Function reserved.
[2]
P6_3
P15 N13
-
79
N;
I/O GPIO3[2] — General purpose digital input/output pin.
PU
O
USB0_PPWR — VBUS drive signal (towards external charge
pump or power management unit); indicates that the VBUS
signal must be driven (active HIGH).
Add a pull-down resistor to disable the power switch at reset.
This signal has opposite polarity compared to the USB_PPWR
used on other NXP LPC parts.
I/O SGPIO4 — General purpose digital input/output pin.
O
-
EMC_CS1 — LOW active Chip Select 1 signal.
R — Function reserved.
I
T2_CAP2 — Capture input 2 of timer 2.
R — Function reserved.
-
-
R — Function reserved.
[2]
P6_4
R16 M14 F6
80
N;
I/O GPIO3[3] — General purpose digital input/output pin.
PU
I
CTIN_6 — SCTimer/PWM input 6. Capture input 1 of timer 3.
U0_TXD — Transmitter output for USART0.
EMC_CAS — LOW active SDRAM Column Address Strobe.
R — Function reserved.
O
O
-
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
28 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P6_5
P16 L14 F9
82
N;
I/O GPIO3[4] — General purpose digital input/output pin.
PU
O
CTOUT_6 — SCTimer/PWM output 6. Match output 2 of timer
1.
I
U0_RXD — Receiver input for USART0.
EMC_RAS — LOW active SDRAM Row Address Strobe.
R — Function reserved.
O
-
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
[2]
P6_6
L14 K12
-
83
N;
PU
I/O GPIO0[5] — General purpose digital input/output pin.
EMC_BLS1 — LOW active Byte Lane select signal 1.
I/O SGPIO5 — General purpose digital input/output pin.
O
I
USB0_PWR_FAULT — Port power fault signal indicating
overcurrent condition; this signal monitors over-current on the
USB bus (external circuitry required to detect over-current
condition).
-
I
R — Function reserved.
T2_CAP3 — Capture input 3 of timer 2.
R — Function reserved.
-
-
-
R — Function reserved.
[2]
P6_7
J13 H11
-
85
N;
R — Function reserved.
PU
I/O EMC_A15 — External memory address line 15.
I/O SGPIO6 — General purpose digital input/output pin.
O
USB0_IND1 — USB0 port indicator LED control output 1.
I/O GPIO5[15] — General purpose digital input/output pin.
O
-
T2_MAT0 — Match output 0 of timer 2.
R — Function reserved.
-
R — Function reserved.
[2]
P6_8
H13 F12
-
86
N;
-
R — Function reserved.
PU
I/O EMC_A14 — External memory address line 14.
I/O SGPIO7 — General purpose digital input/output pin.
O
USB0_IND0 — USB0 port indicator LED control output 0.
I/O GPIO5[16] — General purpose digital input/output pin.
O
-
T2_MAT1 — Match output 1 of timer 2.
R — Function reserved.
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
29 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P6_9
J15 H13 F8
97
N;
I/O GPIO3[5] — General purpose digital input/output pin.
PU
-
R — Function reserved.
-
R — Function reserved.
O
-
EMC_DYCS0 — SDRAM chip select 0.
R — Function reserved.
O
-
T2_MAT2 — Match output 2 of timer 2.
R — Function reserved.
-
R — Function reserved.
[2]
P6_10
H15 G13
-
100
N;
I/O GPIO3[6] — General purpose digital input/output pin.
PU
O
-
MCABORT — Motor control PWM, LOW-active fast abort.
R — Function reserved.
O
EMC_DQMOUT1 — Data mask 1 used with SDRAM and static
devices.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
P6_11
H12 F11 C9 101
N;
I/O GPIO3[7] — General purpose digital input/output pin.
PU
-
R — Function reserved.
-
R — Function reserved.
O
-
EMC_CKEOUT0 — SDRAM clock enable 0.
R — Function reserved.
O
-
T2_MAT3 — Match output 3 of timer 2.
R — Function reserved.
-
R — Function reserved.
[2]
P6_12
G15 F13
-
103
N;
I/O GPIO2[8] — General purpose digital input/output pin.
PU
O
CTOUT_7 — SCTimer/PWM output 7. Match output 3 of timer
1.
-
R — Function reserved.
O
EMC_DQMOUT0 — Data mask 0 used with SDRAM and static
devices.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
30 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P7_0
B16 B14
-
110
N;
I/O GPIO3[8] — General purpose digital input/output pin.
PU
O
CTOUT_14 — SCTimer/PWM output 14. Match output 2 of
timer 3.
-
R — Function reserved.
LCD_LE — Line end signal.
R — Function reserved.
R — Function reserved.
R — Function reserved.
O
-
-
-
I/O SGPIO4 — General purpose digital input/output pin.
I/O GPIO3[9] — General purpose digital input/output pin.
[2]
P7_1
C14 C13
-
113
N;
PU
O
CTOUT_15 — SCTimer/PWM output 15. Match output 3 of
timer 3.
I/O I2S0_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
O
O
-
LCD_VD19 — LCD data.
LCD_VD7 — LCD data.
R — Function reserved.
O
U2_TXD — Transmitter output for USART2.
I/O SGPIO5 — General purpose digital input/output pin.
I/O GPIO3[10] — General purpose digital input/output pin.
[2]
P7_2
A16 A14
-
115
N;
PU
I
CTIN_4 — SCTimer/PWM input 4. Capture input 2 of timer 1.
I/O I2S0_TX_SDA — I2S transmit data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
O
O
-
LCD_VD18 — LCD data.
LCD_VD6 — LCD data.
R — Function reserved.
I
U2_RXD — Receiver input for USART2.
I/O SGPIO6 — General purpose digital input/output pin.
I/O GPIO3[11] — General purpose digital input/output pin.
[2]
P7_3
C13 C12
-
117
N;
PU
I
CTIN_3 — SCTimer/PWM input 3. Capture input 1 of timer 1.
R — Function reserved.
-
O
O
-
LCD_VD17 — LCD data.
LCD_VD5 — LCD data.
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
31 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[5]
[5]
[2]
P7_4
C8
A7
C7
C6
A7
F5
-
-
-
132
133
134
N;
PU
I/O GPIO3[12] — General purpose digital input/output pin.
O
CTOUT_13 — SCTimer/PWM output 13. Match output 3 of
timer 3.
-
R — Function reserved.
O
O
O
-
LCD_VD16 — LCD data.
LCD_VD4 — LCD data.
TRACEDATA[0] — Trace data, bit 0.
R — Function reserved.
-
R — Function reserved.
AI ADC0_4 — ADC0 and ADC1, input channel 4. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
P7_5
N;
PU
I/O GPIO3[13] — General purpose digital input/output pin.
O
CTOUT_12 — SCTimer/PWM output 12. Match output 3 of
timer 3.
-
R — Function reserved.
O
O
O
-
LCD_VD8 — LCD data.
LCD_VD23 — LCD data.
TRACEDATA[1] — Trace data, bit 1.
R — Function reserved.
-
R — Function reserved.
AI ADC0_3 — ADC0 and ADC1, input channel 3. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
P7_6
N;
I/O GPIO3[14] — General purpose digital input/output pin.
PU
O
CTOUT_11 — SCTimer/PWM output 1. Match output 3 of
timer 2.
-
R — Function reserved.
O
LCD_LP — Line synchronization pulse (STN). Horizontal
synchronization pulse (TFT).
-
R — Function reserved.
O
-
TRACEDATA[2] — Trace data, bit 2.
R — Function reserved.
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
32 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[5]
P7_7
B6
D5
-
140
N;
I/O GPIO3[15] — General purpose digital input/output pin.
PU
O
CTOUT_8 — SCTimer/PWM output 8. Match output 0 of timer
2.
-
R — Function reserved.
O
-
LCD_PWR — LCD panel power enable.
R — Function reserved.
O
O
TRACEDATA[3] — Trace data, bit 3.
ENET_MDC — Ethernet MIIM clock.
I/O SGPIO7 — General purpose digital input/output pin.
AI ADC1_6 — ADC1 and ADC0, input channel 6. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
[3]
P8_0
E5
E4
-
-
N;
I/O GPIO4[0] — General purpose digital input/output pin.
PU
I
USB0_PWR_FAULT — Port power fault signal indicating
overcurrent condition; this signal monitors over-current on the
USB bus (external circuitry required to detect over-current
condition).
-
I
R — Function reserved.
MCI2 — Motor control PWM channel 2, input.
I/O SGPIO8 — General purpose digital input/output pin.
-
R — Function reserved.
-
R — Function reserved.
O
T0_MAT0 — Match output 0 of timer 0.
[3]
P8_1
H5
G4
-
-
N;
I/O GPIO4[1] — General purpose digital input/output pin.
PU
O
-
USB0_IND1 — USB0 port indicator LED control output 1.
R — Function reserved.
I
MCI1 — Motor control PWM channel 1, input.
I/O SGPIO9 — General purpose digital input/output pin.
-
R — Function reserved.
-
R — Function reserved.
O
T0_MAT1 — Match output 1 of timer 0.
[3]
P8_2
K4
J4
-
-
N;
I/O GPIO4[2] — General purpose digital input/output pin.
PU
O
-
USB0_IND0 — USB0 port indicator LED control output 0.
R — Function reserved.
I
MCI0 — Motor control PWM channel 0, input.
I/O SGPIO10 — General purpose digital input/output pin.
-
R — Function reserved.
-
R — Function reserved.
O
T0_MAT2 — Match output 2 of timer 0.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
[2]
P8_3
J3
J2
J1
K3
H3
H2
H1
J3
-
-
-
-
-
-
-
-
N;
PU
I/O GPIO4[3] — General purpose digital input/output pin.
I/O USB1_ULPI_D2 — ULPI link bidirectional data line 2.
-
R — Function reserved.
O
O
-
LCD_VD12 — LCD data.
LCD_VD19 — LCD data.
R — Function reserved.
-
R — Function reserved.
O
T0_MAT3 — Match output 3 of timer 0.
P8_4
P8_5
P8_6
N;
PU
I/O GPIO4[4] — General purpose digital input/output pin.
I/O USB1_ULPI_D1 — ULPI link bidirectional data line 1.
-
R — Function reserved.
O
O
-
LCD_VD7 — LCD data.
LCD_VD16 — LCD data.
R — Function reserved.
-
R — Function reserved.
I
T0_CAP0 — Capture input 0 of timer 0.
N;
PU
I/O GPIO4[5] — General purpose digital input/output pin.
I/O USB1_ULPI_D0 — ULPI link bidirectional data line 0.
-
R — Function reserved.
O
O
-
LCD_VD6 — LCD data.
LCD_VD8 — LCD data.
R — Function reserved.
-
R — Function reserved.
I
T0_CAP1 — Capture input 1 of timer 0.
N;
I/O GPIO4[6] — General purpose digital input/output pin.
PU
I
USB1_ULPI_NXT — ULPI link NXT signal. Data flow control
signal from the PHY.
-
R — Function reserved.
LCD_VD5 — LCD data.
O
O
LCD_LP — Line synchronization pulse (STN). Horizontal
synchronization pulse (TFT).
-
-
I
R — Function reserved.
R — Function reserved.
T0_CAP2 — Capture input 2 of timer 0.
LPC43S50_S30_S20
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Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P8_7
K1
J1
-
-
N;
I/O GPIO4[7] — General purpose digital input/output pin.
PU
O
USB1_ULPI_STP — ULPI link STP signal. Asserted to end or
interrupt transfers to the PHY.
-
R — Function reserved.
O
O
-
LCD_VD4 — LCD data.
LCD_PWR — LCD panel power enable.
R — Function reserved.
-
R — Function reserved.
I
T0_CAP3 — Capture input 3 of timer 0.
R — Function reserved.
[2]
P8_8
L1
K1
-
-
N;
-
PU
I
USB1_ULPI_CLK — ULPI link CLK signal. 60 MHz clock
generated by the PHY.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
O
O
CGU_OUT0 — CGU spare clock output 0.
I2S1_TX_MCLK — I2S1 transmit master clock.
[2]
P9_0
T1
P1
-
-
N;
I/O GPIO4[12] — General purpose digital input/output pin.
PU
O
-
MCABORT — Motor control PWM, LOW-active fast abort.
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
I
ENET_CRS — Ethernet Carrier Sense (MII interface).
I/O SGPIO0 — General purpose digital input/output pin.
I/O SSP0_SSEL — Slave Select for SSP0.
[2]
P9_1
N6
P4
-
-
N;
I/O GPIO4[13] — General purpose digital input/output pin.
PU
O
-
MCOA2 — Motor control PWM channel 2, output A.
R — Function reserved.
-
R — Function reserved.
I/O I2S0_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
I
ENET_RX_ER — Ethernet receive error (MII interface).
I/O SGPIO1 — General purpose digital input/output pin.
I/O SSP0_MISO — Master In Slave Out for SSP0.
LPC43S50_S30_S20
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P9_2
N8
M6
-
-
N;
I/O GPIO4[14] — General purpose digital input/output pin.
PU
O
-
MCOB2 — Motor control PWM channel 2, output B.
R — Function reserved.
-
R — Function reserved.
I/O I2S0_TX_SDA — I2S transmit data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
I
ENET_RXD3 — Ethernet receive data 3 (MII interface).
I/O SGPIO2 — General purpose digital input/output pin.
I/O SSP0_MOSI — Master Out Slave in for SSP0.
I/O GPIO4[15] — General purpose digital input/output pin.
[2]
[2]
[2]
P9_3
P9_4
P9_5
M6
P5
-
-
-
-
N;
PU
O
O
-
MCOA0 — Motor control PWM channel 0, output A.
USB1_IND1 — USB1 Port indicator LED control output 1.
R — Function reserved.
-
R — Function reserved.
I
ENET_RXD2 — Ethernet receive data 2 (MII interface).
I/O SGPIO9 — General purpose digital input/output pin.
O
-
U3_TXD — Transmitter output for USART3.
R — Function reserved.
N10 M8
-
N;
PU
O
O
-
MCOB0 — Motor control PWM channel 0, output B.
USB1_IND0 — USB1 Port indicator LED control output 0.
R — Function reserved.
I/O GPIO5[17] — General purpose digital input/output pin.
ENET_TXD2 — Ethernet transmit data 2 (MII interface).
I/O SGPIO4 — General purpose digital input/output pin.
O
I
U3_RXD — Receiver input for USART3.
R — Function reserved.
M9
L7
69
N;
-
PU
O
O
MCOA1 — Motor control PWM channel 1, output A.
USB1_PPWR — VBUS drive signal (towards external charge
pump or power management unit); indicates that VBUS must
be driven (active high).
Add a pull-down resistor to disable the power switch at reset.
This signal has opposite polarity compared to the USB_PPWR
used on other NXP LPC parts.
-
R — Function reserved.
I/O GPIO5[18] — General purpose digital input/output pin.
ENET_TXD3 — Ethernet transmit data 3 (MII interface).
I/O SGPIO3 — General purpose digital input/output pin.
U0_TXD — Transmitter output for USART0.
O
O
LPC43S50_S30_S20
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Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
P9_6
L11 M9
-
72
N;
I/O GPIO4[11] — General purpose digital input/output pin.
PU
O
I
MCOB1 — Motor control PWM channel 1, output B.
USB1_PWR_FAULT — USB1 Port power fault signal
indicating over-current condition; this signal monitors
over-current on the USB1 bus (external circuitry required to
detect over-current condition).
-
-
I
R — Function reserved.
R — Function reserved.
ENET_COL — Ethernet Collision detect (MII interface).
I/O SGPIO8 — General purpose digital input/output pin.
I
U0_RXD — Receiver input for USART0.
R — Function reserved.
[2]
[3]
[3]
PA_0
PA_1
PA_2
L12 L10
J14 H12
K15 J13
-
-
-
-
-
-
N;
PU
-
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
O
O
-
I2S1_RX_MCLK — I2S1 receive master clock.
CGU_OUT1 — CGU spare clock output 1.
R — Function reserved.
N;
PU
I/O GPIO4[8] — General purpose digital input/output pin.
I
QEI_IDX — Quadrature Encoder Interface INDEX input.
R — Function reserved.
-
O
-
U2_TXD — Transmitter output for USART2.
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
N;
I/O GPIO4[9] — General purpose digital input/output pin.
PU
I
QEI_PHB — Quadrature Encoder Interface PHB input.
R — Function reserved.
-
I
U2_RXD — Receiver input for USART2.
R — Function reserved.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
37 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[3]
PA_3
H11 E10
-
-
N;
I/O GPIO4[10] — General purpose digital input/output pin.
PU
I
QEI_PHA — Quadrature Encoder Interface PHA input.
R — Function reserved.
-
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
[2]
PA_4
PB_0
PB_1
G13 E12
-
-
N;
PU
-
R — Function reserved.
O
CTOUT_9 — SCTimer/PWM output 9. Match output 3 of timer
3.
-
R — Function reserved.
I/O EMC_A23 — External memory address line 23.
I/O GPIO5[19] — General purpose digital input/output pin.
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
-
-
[2]
B15 D14
-
-
N;
PU
-
O
CTOUT_10 — SCTimer/PWM output 10. Match output 3 of
timer 3.
O
-
LCD_VD23 — LCD data.
R — Function reserved.
I/O GPIO5[20] — General purpose digital input/output pin.
-
-
-
-
I
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
A14 A13
-
-
N;
PU
USB1_ULPI_DIR — ULPI link DIR signal. Controls the ULP
data line direction.
O
-
LCD_VD22 — LCD data.
R — Function reserved.
I/O GPIO5[21] — General purpose digital input/output pin.
O
CTOUT_6 — SCTimer/PWM output 6. Match output 2 of timer
1.
-
-
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
38 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PB_2
B12 B11
-
-
N;
-
R — Function reserved.
PU
I/O USB1_ULPI_D7 — ULPI link bidirectional data line 7.
O
-
LCD_VD21 — LCD data.
R — Function reserved.
I/O GPIO5[22] — General purpose digital input/output pin.
O
CTOUT_7 — SCTimer/PWM output 7. Match output 3 of timer
1.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
PB_3
A13 A12
-
-
N;
PU
I/O USB1_ULPI_D6 — ULPI link bidirectional data line 6.
O
-
LCD_VD20 — LCD data.
R — Function reserved.
I/O GPIO5[23] — General purpose digital input/output pin.
O
CTOUT_8 — SCTimer/PWM output 8. Match output 0 of timer
2.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
PB_4
B11 B10
-
-
N;
PU
I/O USB1_ULPI_D5 — ULPI link bidirectional data line 5.
O
-
LCD_VD15 — LCD data.
R — Function reserved.
I/O GPIO5[24] — General purpose digital input/output pin.
I
CTIN_5 — SCTimer/PWM input 5. Capture input 2 of timer 2.
R — Function reserved.
-
-
-
R — Function reserved.
[2]
PB_5
A12 A11
-
-
N;
R — Function reserved.
PU
I/O USB1_ULPI_D4 — ULPI link bidirectional data line 4.
O
-
LCD_VD14 — LCD data.
R — Function reserved.
I/O GPIO5[25] — General purpose digital input/output pin.
I
CTIN_7 — SCTimer/PWM input 7.
LCD_PWR — LCD panel power enable.
R — Function reserved.
O
-
LPC43S50_S30_S20
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Product data sheet
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39 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[5]
PB_6
A6
C5
-
-
N;
-
R — Function reserved.
PU
I/O USB1_ULPI_D3 — ULPI link bidirectional data line 3.
O
-
LCD_VD13 — LCD data.
R — Function reserved.
I/O GPIO5[26] — General purpose digital input/output pin.
I
CTIN_6 — SCTimer/PWM input 6. Capture input 1 of timer 3.
LCD_VD19 — LCD data.
O
-
R — Function reserved.
AI ADC0_6 — ADC0 and ADC1, input channel 6. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
[5]
PC_0
D4
-
-
-
N;
PU
-
I
R — Function reserved.
USB1_ULPI_CLK — ULPI link CLK signal. 60 MHz clock
generated by the PHY.
-
R — Function reserved.
I/O ENET_RX_CLK — Ethernet Receive Clock (MII interface).
O
-
LCD_DCLK — LCD panel clock.
R — Function reserved.
-
R — Function reserved.
I/O SD_CLK — SD/MMC card clock.
AI ADC1_1 — ADC1 and ADC0, input channel 1. Configure the
pin as input (USB_ULPI_CLK) and use the ADC function select
register in the SCU to select the ADC.
[2]
PC_1
E4
-
-
-
N;
I/O USB1_ULPI_D7 — ULPI link bidirectional data line 7.
PU
-
R — Function reserved.
I
U1_RI — Ring Indicator input for UART 1.
ENET_MDC — Ethernet MIIM clock.
O
I/O GPIO6[0] — General purpose digital input/output pin.
-
R — Function reserved.
I
T3_CAP0 — Capture input 0 of timer 3.
SD_VOLT0 — SD/MMC bus voltage select output 0.
O
[2]
PC_2
F6
-
-
-
N;
I/O USB1_ULPI_D6 — ULPI link bidirectional data line 6.
PU
-
R — Function reserved.
I
U1_CTS — Clear to Send input for UART 1.
ENET_TXD2 — Ethernet transmit data 2 (MII interface).
O
I/O GPIO6[1] — General purpose digital input/output pin.
-
R — Function reserved.
-
R — Function reserved.
O
SD_RST — SD/MMC reset signal for MMC4.4 card.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[5]
PC_3
F5
-
-
-
N;
I/O USB1_ULPI_D5 — ULPI link bidirectional data line 5.
PU
-
R — Function reserved.
O
U1_RTS — Request to Send output for UART 1. Can also be
configured to be an RS-485/EIA-485 output enable signal for
UART 1.
O
ENET_TXD3 — Ethernet transmit data 3 (MII interface).
I/O GPIO6[2] — General purpose digital input/output pin.
-
R — Function reserved.
-
R — Function reserved.
O
SD_VOLT1 — SD/MMC bus voltage select output 1.
AI ADC1_0 — DAC output; ADC1 and ADC0, input channel 0.
Configure the pin as GPIO input and use the ADC function
select register in the SCU to select the ADC.
[2]
PC_4
F4
-
-
-
N;
-
R — Function reserved.
PU
I/O USB1_ULPI_D4 — ULPI link bidirectional data line 4.
-
R — Function reserved.
ENET_TX_EN — Ethernet transmit enable (RMII/MII
interface).
I/O GPIO6[3] — General purpose digital input/output pin.
-
I
R — Function reserved.
T3_CAP1 — Capture input 1 of timer 3.
I/O SD_DAT0 — SD/MMC data bus line 0.
R — Function reserved.
I/O USB1_ULPI_D3 — ULPI link bidirectional data line 3.
[2]
PC_5
G4
-
-
-
N;
PU
-
-
R — Function reserved.
O
ENET_TX_ER — Ethernet Transmit Error (MII interface).
I/O GPIO6[4] — General purpose digital input/output pin.
-
I
R — Function reserved.
T3_CAP2 — Capture input 2 of timer 3.
I/O SD_DAT1 — SD/MMC data bus line 1.
R — Function reserved.
I/O USB1_ULPI_D2 — ULPI link bidirectional data line 2.
[2]
PC_6
H6
-
-
-
N;
PU
-
-
I
R — Function reserved.
ENET_RXD2 — Ethernet receive data 2 (MII interface).
I/O GPIO6[5] — General purpose digital input/output pin.
-
I
R — Function reserved.
T3_CAP3 — Capture input 3 of timer 3.
I/O SD_DAT2 — SD/MMC data bus line 2.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
41 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PC_7
G5
-
-
-
N;
-
R — Function reserved.
PU
I/O USB1_ULPI_D1 — ULPI link bidirectional data line 1.
-
I
R — Function reserved.
ENET_RXD3 — Ethernet receive data 3 (MII interface).
I/O GPIO6[6] — General purpose digital input/output pin.
-
R — Function reserved.
O
T3_MAT0 — Match output 0 of timer 3.
I/O SD_DAT3 — SD/MMC data bus line 3.
R — Function reserved.
I/O USB1_ULPI_D0 — ULPI link bidirectional data line 0.
[2]
PC_8
PC_9
PC_10
N4
-
-
-
N;
PU
-
-
I
R — Function reserved.
ENET_RX_DV — Ethernet Receive Data Valid (RMII/MII
interface).
I/O GPIO6[7] — General purpose digital input/output pin.
-
R — Function reserved.
O
I
T3_MAT1 — Match output 1 of timer 3.
SD_CD — SD/MMC card detect input.
R — Function reserved.
[2]
K2
-
-
-
N;
PU
-
I
USB1_ULPI_NXT — ULPI link NXT signal. Data flow control
signal from the PHY.
-
I
R — Function reserved.
ENET_RX_ER — Ethernet receive error (MII interface).
I/O GPIO6[8] — General purpose digital input/output pin.
-
R — Function reserved.
O
O
-
T3_MAT2 — Match output 2 of timer 3.
SD_POW — SD/MMC power monitor output.
R — Function reserved.
[2]
M5
-
-
-
N;
PU
O
USB1_ULPI_STP — ULPI link STP signal. Asserted to end or
interrupt transfers to the PHY.
I
U1_DSR — Data Set Ready input for UART 1.
R — Function reserved.
-
I/O GPIO6[9] — General purpose digital input/output pin.
-
R — Function reserved.
O
T3_MAT3 — Match output 3 of timer 3.
I/O SD_CMD — SD/MMC command signal.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
42 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PC_11
L5
-
-
-
N;
PU
-
I
R — Function reserved.
USB1_ULPI_DIR — ULPI link DIR signal. Controls the ULPI
data line direction.
I
U1_DCD — Data Carrier Detect input for UART 1.
R — Function reserved.
-
I/O GPIO6[10] — General purpose digital input/output pin.
-
-
R — Function reserved.
R — Function reserved.
I/O SD_DAT4 — SD/MMC data bus line 4.
[2]
PC_12
L6
-
-
-
N;
PU
-
R — Function reserved.
R — Function reserved.
-
O
U1_DTR — Data Terminal Ready output for UART 1. Can also
be configured to be an RS-485/EIA-485 output enable signal
for UART 1.
-
R — Function reserved.
I/O GPIO6[11] — General purpose digital input/output pin.
I/O SGPIO11 — General purpose digital input/output pin.
I/O I2S0_TX_SDA — I2S transmit data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
I/O SD_DAT5 — SD/MMC data bus line 5.
[2]
PC_13
M1
-
-
-
N;
-
R — Function reserved.
PU
-
R — Function reserved.
O
-
U1_TXD — Transmitter output for UART 1.
R — Function reserved.
I/O GPIO6[12] — General purpose digital input/output pin.
I/O SGPIO12 — General purpose digital input/output pin.
I/O I2S0_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
I/O SD_DAT6 — SD/MMC data bus line 6.
[2]
PC_14
N1
-
-
-
N;
PU
-
-
I
R — Function reserved.
R — Function reserved.
U1_RXD — Receiver input for UART 1.
R — Function reserved.
-
I/O GPIO6[13] — General purpose digital input/output pin.
I/O SGPIO13 — General purpose digital input/output pin.
O
ENET_TX_ER — Ethernet Transmit Error (MII interface).
I/O SD_DAT7 — SD/MMC data bus line 7.
LPC43S50_S30_S20
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Product data sheet
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LPC43S50/S30/S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PD_0
N2
-
-
-
N;
-
R — Function reserved.
PU
O
CTOUT_15 — SCTimer/PWM output 15. Match output 3 of
timer 3.
O
-
EMC_DQMOUT2 — Data mask 2 used with SDRAM and static
devices.
R — Function reserved.
I/O GPIO6[14] — General purpose digital input/output pin.
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO4 — General purpose digital input/output pin.
[2]
PD_1
P1
-
-
-
N;
-
R — Function reserved.
PU
-
R — Function reserved.
O
-
EMC_CKEOUT2 — SDRAM clock enable 2.
R — Function reserved.
I/O GPIO6[15] — General purpose digital input/output pin.
O
-
SD_POW — SD/MMC power monitor output.
R — Function reserved.
I/O SGPIO5 — General purpose digital input/output pin.
[2]
PD_2
R1
-
-
-
N;
-
R — Function reserved.
PU
O
CTOUT_7 — SCTimer/PWM output 7. Match output 3 of timer
1.
I/O EMC_D16 — External memory data line 16.
R — Function reserved.
I/O GPIO6[16] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO6 — General purpose digital input/output pin.
[2]
PD_3
P4
-
-
-
N;
-
R — Function reserved.
PU
O
CTOUT_6 — SCTimer/PWM output 7. Match output 2 of timer
1.
I/O EMC_D17 — External memory data line 17.
R — Function reserved.
I/O GPIO6[17] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO7 — General purpose digital input/output pin.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
[2]
PD_4
T2
P6
R6
T6
-
-
-
-
-
-
-
-
-
-
-
-
N;
PU
-
R — Function reserved.
O
CTOUT_8 — SCTimer/PWM output 8. Match output 0 of timer
2.
I/O EMC_D18 — External memory data line 18.
R — Function reserved.
I/O GPIO6[18] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO8 — General purpose digital input/output pin.
PD_5
PD_6
PD_7
N;
PU
-
R — Function reserved.
O
CTOUT_9 — SCTimer/PWM output 9. Match output 3 of timer
3.
I/O EMC_D19 — External memory data line 19.
R — Function reserved.
I/O GPIO6[19] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO9 — General purpose digital input/output pin.
N;
PU
-
R — Function reserved.
O
CTOUT_10 — SCTimer/PWM output 10. Match output 3 of
timer 3.
I/O EMC_D20 — External memory data line 20.
R — Function reserved.
I/O GPIO6[20] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO10 — General purpose digital input/output pin.
N;
PU
-
I
R — Function reserved.
CTIN_5 — SCTimer/PWM input 5. Capture input 2 of timer 2.
I/O EMC_D21 — External memory data line 21.
R — Function reserved.
I/O GPIO6[21] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO11 — General purpose digital input/output pin.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
45 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PD_8
P8
-
-
-
N;
PU
-
I
R — Function reserved.
CTIN_6 — SCTimer/PWM input 6. Capture input 1 of timer 3.
I/O EMC_D22 — External memory data line 22.
R — Function reserved.
I/O GPIO6[22] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO12 — General purpose digital input/output pin.
[2]
PD_9
T11
-
-
-
N;
-
R — Function reserved.
PU
O
CTOUT_13 — SCTimer/PWM output 13. Match output 3 of
timer 3.
I/O EMC_D23 — External memory data line 23.
R — Function reserved.
I/O GPIO6[23] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
I/O SGPIO13 — General purpose digital input/output pin.
[2]
PD_10
P11
-
-
-
N;
PU
-
I
R — Function reserved.
CTIN_1 — SCTimer/PWM input 1. Capture input 1 of timer 0.
Capture input 1 of timer 2.
O
-
EMC_BLS3 — LOW active Byte Lane select signal 3.
R — Function reserved.
I/O GPIO6[24] — General purpose digital input/output pin.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
[2]
PD_11
N9
M7
-
-
N;
-
R — Function reserved.
PU
-
R — Function reserved.
O
-
EMC_CS3 — LOW active Chip Select 3 signal.
R — Function reserved.
I/O GPIO6[25] — General purpose digital input/output pin.
I/O USB1_ULPI_D0 — ULPI link bidirectional data line 0.
O
CTOUT_14 — SCTimer/PWM output 14. Match output 2 of
timer 3.
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
46 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PD_12
N11 P9
-
-
N;
-
R — Function reserved.
PU
-
R — Function reserved.
O
-
EMC_CS2 — LOW active Chip Select 2 signal.
R — Function reserved.
I/O GPIO6[26] — General purpose digital input/output pin.
-
R — Function reserved.
O
CTOUT_10 — SCTimer/PWM output 10. Match output 3 of
timer 3.
-
-
I
R — Function reserved.
R — Function reserved.
[2]
PD_13
T14
-
-
-
N;
PU
CTIN_0 — SCTimer/PWM input 0. Capture input 0 of timer 0,
1, 2, 3.
O
-
EMC_BLS2 — LOW active Byte Lane select signal 2.
R — Function reserved.
I/O GPIO6[27] — General purpose digital input/output pin.
-
R — Function reserved.
O
CTOUT_13 — SCTimer/PWM output 13. Match output 3 of
timer 3.
-
R — Function reserved.
[2]
PD_14
R13 L11
-
-
N;
-
R — Function reserved.
PU
-
R — Function reserved.
O
-
EMC_DYCS2 — SDRAM chip select 2.
R — Function reserved.
I/O GPIO6[28] — General purpose digital input/output pin.
-
R — Function reserved.
O
CTOUT_11 — SCTimer/PWM output 11. Match output 3 of
timer 2.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
PD_15
T15 P13
-
-
[2] N;
PU
I/O EMC_A17 — External memory address line 17.
R — Function reserved.
I/O GPIO6[29] — General purpose digital input/output pin.
-
I
SD_WP — SD/MMC card write protect input.
O
CTOUT_8 — SCTimer/PWM output 8. Match output 0 of timer
2.
-
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
47 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PD_16
R14 P12
-
-
N;
PU
-
-
R — Function reserved.
R — Function reserved.
I/O EMC_A16 — External memory address line 16.
R — Function reserved.
I/O GPIO6[30] — General purpose digital input/output pin.
-
O
O
SD_VOLT2 — SD/MMC bus voltage select output 2.
CTOUT_12 — SCTimer/PWM output 12. Match output 3 of
timer 3.
-
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
[2]
[2]
PE_0
PE_1
PE_2
P14 N12
N14 M12
M14 L12
-
-
-
-
-
-
N;
PU
I/O EMC_A18 — External memory address line 18.
I/O GPIO7[0] — General purpose digital input/output pin.
O
-
CAN1_TD — CAN1 transmitter output.
R — Function reserved.
-
R — Function reserved.
N;
PU
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
I/O EMC_A19 — External memory address line 19.
I/O GPIO7[1] — General purpose digital input/output pin.
I
-
-
I
I
-
CAN1_RD — CAN1 receiver input.
R — Function reserved.
R — Function reserved.
N;
PU
ADCTRIG0 — ADC trigger input 0.
CAN0_RD — CAN receiver input.
R — Function reserved.
I/O EMC_A20 — External memory address line 20.
I/O GPIO7[2] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
48 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
PE_3
K12 K10
-
-
-
-
-
-
N;
PU
-
R — Function reserved.
O
I
CAN0_TD — CAN transmitter output.
ADCTRIG1 — ADC trigger input 1.
I/O EMC_A21 — External memory address line 21.
I/O GPIO7[3] — General purpose digital input/output pin.
-
-
-
-
I
R — Function reserved.
R — Function reserved.
R — Function reserved.
PE_4
K13 J11
N;
PU
R — Function reserved.
NMI — External interrupt input to NMI.
R — Function reserved.
-
I/O EMC_A22 — External memory address line 22.
I/O GPIO7[4] — General purpose digital input/output pin.
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
-
-
PE_5
N16
-
N;
-
PU
O
CTOUT_3 — SCTimer/PWM output 3. Match output 3 of timer
0.
O
U1_RTS — Request to Send output for UART 1. Can also be
configured to be an RS-485/EIA-485 output enable signal for
UART 1.
I/O EMC_D24 — External memory data line 24.
I/O GPIO7[5] — General purpose digital input/output pin.
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
-
-
[2]
PE_6
M16
-
-
-
N;
-
PU
O
CTOUT_2 — SCTimer/PWM output 2. Match output 2 of timer
0.
I
U1_RI — Ring Indicator input for UART 1.
I/O EMC_D25 — External memory data line 25.
I/O GPIO7[6] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
49 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PE_7
F15
-
-
-
N;
-
R — Function reserved.
PU
O
CTOUT_5 — SCTimer/PWM output 5. Match output 3 of timer
3.
I
U1_CTS — Clear to Send input for UART1.
I/O EMC_D26 — External memory data line 26.
I/O GPIO7[7] — General purpose digital input/output pin.
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
-
-
[2]
PE_8
F14
-
-
-
N;
-
PU
O
CTOUT_4 — SCTimer/PWM output 4. Match output 3 of timer
3.
I
U1_DSR — Data Set Ready input for UART 1.
I/O EMC_D27 — External memory data line 27.
I/O GPIO7[8] — General purpose digital input/output pin.
-
-
-
-
I
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
PE_9
E16
-
-
-
N;
PU
R — Function reserved.
CTIN_4 — SCTimer/PWM input 4. Capture input 2 of timer 1.
U1_DCD — Data Carrier Detect input for UART 1.
I
I/O EMC_D28 — External memory data line 28.
I/O GPIO7[9] — General purpose digital input/output pin.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
[2]
PE_10
E14
-
-
-
N;
-
R — Function reserved.
PU
I
CTIN_3 — SCTimer/PWM input 3. Capture input 1 of timer 1.
O
U1_DTR — Data Terminal Ready output for UART 1. Can also
be configured to be an RS-485/EIA-485 output enable signal
for UART 1.
I/O EMC_D29 — External memory data line 29.
I/O GPIO7[10] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
50 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
[2]
[2]
PE_11
D16
D15
G14
-
-
-
-
-
-
-
-
-
N;
PU
-
R — Function reserved.
O
CTOUT_12 — SCTimer/PWM output 12. Match output 3 of
timer 3.
O
U1_TXD — Transmitter output for UART 1.
I/O EMC_D30 — External memory data line 30.
I/O GPIO7[11] — General purpose digital input/output pin.
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
-
-
PE_12
N;
PU
-
O
CTOUT_11 — SCTimer/PWM output 11. Match output 3 of
timer 2.
I
U1_RXD — Receiver input for UART 1.
I/O EMC_D31 — External memory data line 31.
I/O GPIO7[12] — General purpose digital input/output pin.
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
-
-
PE_13
N;
-
PU
O
CTOUT_14 — SCTimer/PWM output 14. Match output 2 of
timer 3.
I/O I2C1_SDA — I2C1 data input/output (this pin does not use a
specialized I2C pad).
O
EMC_DQMOUT3 — Data mask 3 used with SDRAM and static
devices.
I/O GPIO7[13] — General purpose digital input/output pin.
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
R — Function reserved.
EMC_DYCS3 — SDRAM chip select 3.
-
-
[2]
PE_14
C15
-
-
-
N;
-
PU
-
-
O
I/O GPIO7[14] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
LPC43S50_S30_S20
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
51 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PE_15
E13
-
-
-
N;
-
R — Function reserved.
PU
O
CTOUT_0 — SCTimer/PWM output 0. Match output 0 of timer
0.
I/O I2C1_SCL — I2C1 clock input/output (this pin does not use a
specialized I2C pad).
O
EMC_CKEOUT3 — SDRAM clock enable 3.
I/O GPIO7[15] — General purpose digital input/output pin.
-
-
-
R — Function reserved.
R — Function reserved.
R — Function reserved.
[2]
[2]
[2]
PF_0
PF_1
PF_2
D12
E11
D11
-
-
-
-
-
-
-
-
-
O;
PU
I/O SSP0_SCK — Serial clock for SSP0.
I
GP_CLKIN — General-purpose clock input to the CGU.
R — Function reserved.
-
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
O
-
I2S1_TX_MCLK — I2S1 transmit master clock.
R — Function reserved.
N;
PU
-
R — Function reserved.
I/O SSP0_SSEL — Slave Select for SSP0.
R — Function reserved.
I/O GPIO7[16] — General purpose digital input/output pin.
R — Function reserved.
I/O SGPIO0 — General purpose digital input/output pin.
-
-
-
R — Function reserved.
N;
-
R — Function reserved.
PU
O
U3_TXD — Transmitter output for USART3.
I/O SSP0_MISO — Master In Slave Out for SSP0.
R — Function reserved.
I/O GPIO7[17] — General purpose digital input/output pin.
R — Function reserved.
I/O SGPIO1 — General purpose digital input/output pin.
R — Function reserved.
-
-
-
LPC43S50_S30_S20
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
52 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[2]
PF_3
E10
-
-
-
N;
PU
-
I
R — Function reserved.
U3_RXD — Receiver input for USART3.
I/O SSP0_MOSI — Master Out Slave in for SSP0.
R — Function reserved.
I/O GPIO7[18] — General purpose digital input/output pin.
R — Function reserved.
I/O SGPIO2 — General purpose digital input/output pin.
R — Function reserved.
I/O SSP1_SCK — Serial clock for SSP1.
-
-
-
[2]
PF_4
D10 D6
H4 120
O;
PU
I
GP_CLKIN — General-purpose clock input to the CGU.
TRACECLK — Trace clock.
O
-
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
O
I2S0_TX_MCLK — I2S transmit master clock.
I/O I2S0_RX_SCK — I2S receive clock. It is driven by the master
and received by the slave. Corresponds to the signal SCK in
the I2S-bus specification.
[5]
PF_5
E9
-
-
-
N;
-
R — Function reserved.
PU
I/O U3_UCLK — Serial clock input/output for USART3 in
synchronous mode.
I/O SSP1_SSEL — Slave Select for SSP1.
O
TRACEDATA[0] — Trace data, bit 0.
I/O GPIO7[19] — General purpose digital input/output pin.
R — Function reserved.
I/O SGPIO4 — General purpose digital input/output pin.
R — Function reserved.
-
-
AI ADC1_4 — ADC1 and ADC0, input channel 4. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
LPC43S50_S30_S20
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© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
53 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[5]
PF_6
E7
-
-
-
N;
-
R — Function reserved.
PU
I/O U3_DIR — RS-485/EIA-485 output enable/direction control for
USART3.
I/O SSP1_MISO — Master In Slave Out for SSP1.
O
TRACEDATA[1] — Trace data, bit 1.
I/O GPIO7[20] — General purpose digital input/output pin.
R — Function reserved.
-
I/O SGPIO5 — General purpose digital input/output pin.
I/O I2S1_TX_SDA — I2S1 transmit data. It is driven by the
transmitter and read by the receiver. Corresponds to the signal
SD in the I2S-bus specification.
AI ADC1_3 — ADC1 and ADC0, input channel 3. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
[5]
PF_7
B7
-
-
-
N;
-
R — Function reserved.
PU
I/O U3_BAUD — Baud pin for USART3.
I/O SSP1_MOSI — Master Out Slave in for SSP1.
O
TRACEDATA[2] — Trace data, bit 2.
I/O GPIO7[21] — General purpose digital input/output pin.
R — Function reserved.
-
I/O SGPIO6 — General purpose digital input/output pin.
I/O I2S1_TX_WS — Transmit Word Select. It is driven by the
master and received by the slave. Corresponds to the signal
WS in the I2S-bus specification.
AI/ ADC1_7 — ADC1 and ADC0, input channel 7 or band gap
O
output. Configure the pin as GPIO input and use the ADC
function select register in the SCU to select the ADC.
[5]
PF_8
E6
-
-
-
N;
-
R — Function reserved.
PU
I/O U0_UCLK — Serial clock input/output for USART0 in
synchronous mode.
I
CTIN_2 — SCTimer/PWM input 2. Capture input 2 of timer 0.
TRACEDATA[3] — Trace data, bit 3.
O
I/O GPIO7[22] — General purpose digital input/output pin.
R — Function reserved.
I/O SGPIO7 — General purpose digital input/output pin.
R — Function reserved.
-
-
AI ADC0_2 — ADC0 and ADC1, input channel 2. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[5]
PF_9
D6
-
-
-
N;
-
R — Function reserved.
PU
I/O U0_DIR — RS-485/EIA-485 output enable/direction control for
USART0.
O
-
CTOUT_1 — SCTimer/PWM output 1. Match output 3 of timer
3.
R — Function reserved.
I/O GPIO7[23] — General purpose digital input/output pin.
R — Function reserved.
I/O SGPIO3 — General purpose digital input/output pin.
R — Function reserved.
-
-
AI ADC1_2 — ADC1 and ADC0, input channel 2. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
[5]
PF_10
A3
-
-
-
N;
-
R — Function reserved.
PU
O
-
U0_TXD — Transmitter output for USART0.
R — Function reserved.
-
R — Function reserved.
I/O GPIO7[24] — General purpose digital input/output pin.
-
I
R — Function reserved.
SD_WP — SD/MMC card write protect input.
R — Function reserved.
-
AI ADC0_5 — ADC0 and ADC1, input channel 5. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
[5]
PF_11
A2
-
-
-
N;
PU
-
I
R — Function reserved.
U0_RXD — Receiver input for USART0.
R — Function reserved.
-
-
R — Function reserved.
I/O GPIO7[25] — General purpose digital input/output pin.
-
R — Function reserved.
O
-
SD_VOLT2 — SD/MMC bus voltage select output 2.
R — Function reserved.
AI ADC1_5 — ADC1 and ADC0, input channel 5. Configure the
pin as GPIO input and use the ADC function select register in
the SCU to select the ADC.
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
Clock pins
[4]
CLK0
N5
M4
K3
45
O;
PU
O
O
-
EMC_CLK0 — SDRAM clock 0.
CLKOUT — Clock output pin.
R — Function reserved.
-
R — Function reserved.
I/O SD_CLK — SD/MMC card clock.
EMC_CLK01 — SDRAM clock 0 and clock 1 combined.
I/O SSP1_SCK — Serial clock for SSP1.
O
I
ENET_TX_CLK (ENET_REF_CLK) — Ethernet Transmit
Clock (MII interface) or Ethernet Reference Clock (RMII
interface).
[4]
CLK1
T10
-
-
-
O;
PU
O
O
-
EMC_CLK1 — SDRAM clock 1.
CLKOUT — Clock output pin.
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
O
-
CGU_OUT0 — CGU spare clock output 0.
R — Function reserved.
O
O
O
-
I2S1_TX_MCLK — I2S1 transmit master clock.
EMC_CLK3 — SDRAM clock 3.
CLKOUT — Clock output pin.
R — Function reserved.
[4]
CLK2
D14 P10 K6
99
O;
PU
-
R — Function reserved.
I/O SD_CLK — SD/MMC card clock.
O
O
EMC_CLK23 — SDRAM clock 2 and clock 3 combined.
I2S0_TX_MCLK — I2S transmit master clock.
I/O I2S1_RX_SCK — Receive Clock. It is driven by the master and
received by the slave. Corresponds to the signal SCK in the
I2S-bus specification.
[4]
CLK3
P12
-
-
-
O;
PU
O
O
-
EMC_CLK2 — SDRAM clock 2.
CLKOUT — Clock output pin.
R — Function reserved.
-
R — Function reserved.
-
R — Function reserved.
O
-
CGU_OUT1 — CGU spare clock output 1.
R — Function reserved.
I/O I2S1_RX_SCK — Receive Clock. It is driven by the master and
received by the slave. Corresponds to the signal SCK in the
I2S-bus specification.
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
Debug pins
[2]
DBGEN
L4
K4
A6
28
I
I
I
JTAG interface control signal. Also used for boundary scan. To
use the part in functional mode, connect this pin in one of the
following ways:
• Leave DBGEN open. The DBGEN pin is pulled up
internally by a 50 kΩ resistor.
• Tie DBGEN to VDDIO.
• Pull DBGEN up to VDDIO with an external pull-up resistor.
Test Clock for JTAG interface (default) or Serial Wire (SW)
clock.
[2]
TCK/SWDCLK J5
G5
H2 27
B4 29
I; F
[2]
[2]
TRST
M4
K6
L4
K5
I; PU I
I; PU I
Test Reset for JTAG interface.
TMS/SWDIO
C4 30
Test Mode Select for JTAG interface (default) or SW debug
data input/output.
[2]
[2]
TDO/SWO
TDI
K5
J4
J5
H3 31
G3 26
O
O
Test Data Out for JTAG interface (default) or SW trace output.
Test Data In for JTAG interface.
H4
I; PU I
USB0 pins
USB0_DP
USB0_DM
USB0_VBUS
[6]
[6]
F2
G2
F1
E2
F2
E1
E1
E2
E3
18
20
21
-
-
-
I/O USB0 bidirectional D+ line.
I/O USB0 bidirectional D line.
[6]
[7]
I/O VBUS pin (power on USB cable). This pin includes an internal
pull-down resistor of 64 kΩ (typical) 16 kΩ.
[8]
USB0_ID
H2
H1
G2
G1
F1
F3
22
24
-
-
I
Indicates to the transceiver whether connected as an A-device
(USB0_ID LOW) or B-device (USB0_ID HIGH). For OTG this
pin has an internal pull-up resistor.
[8]
USB0_RREF
12.0 kΩ (accuracy 1 %) on-board resistor to ground for current
reference.
USB1 pins
USB1_DP
USB1_DM
I2C-bus pins
I2C0_SCL
[9]
[9]
F12 D11 E9
89
-
-
I/O USB1 bidirectional D+ line.
G12 E11 E10 90
I/O USB1 bidirectional D line.
[10]
[10]
L15 K13 D6 92
I; F I/O I2C clock input/output. Open-drain output (for I2C-bus
compliance).
I; F I/O I2C data input/output. Open-drain output (for I2C-bus
compliance).
I2C0_SDA
L16 K14 E6
93
Reset and wake-up pins
[11]
[11]
RESET
D9
C7
B6
A4
128
I; IA
I; IA
I
I
External reset input: A LOW-going pulse as short as 50 ns on
this pin resets the device, causing I/O ports and peripherals to
take on their default states, and processor execution to begin
at address 0. This pin does not have an internal pull-up.
WAKEUP0
A9
A9
130
External wake-up input; can raise an interrupt and can cause
wake-up from any of the low-power modes. A pulse with a
duration > 45 ns wakes up the part. This pin does not have an
internal pull-up.
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[11]
[11]
[11]
WAKEUP1
WAKEUP2
WAKEUP3
ADC pins
A10 C8
-
-
-
-
-
-
I; IA
I; IA
I; IA
I
I
I
External wake-up input; can raise an interrupt and can cause
wake-up from any of the low-power modes. A pulse with a
duration > 45 ns wakes up the part. This pin does not have an
internal pull-up.
C9
D8
E5
-
External wake-up input; can raise an interrupt and can cause
wake-up from any of the low-power modes. A pulse with a
duration > 45 ns wakes up the part. This pin does not have an
internal pull-up.
External wake-up input; can raise an interrupt and can cause
wake-up from any of the low-power modes. A pulse with a
duration > 45 ns wakes up the part. This pin does not have an
internal pull-up.
[8]
[8]
[8]
[8]
[8]
[8]
[8]
[8]
ADC0_0/
ADC1_0/DAC
E3
C3
A4
B5
C6
B3
A5
C5
B6
C4
B3
B4
A5
C3
A4
B5
A2
A1
B3
A3
-
6
I; IA
I; IA
I; IA
I; IA
I; IA
I; IA
I; IA
I; IA
I
I
I
I
I
I
I
I
ADC input channel 0. Shared between 10-bit ADC0/1 and
DAC.
ADC0_1/
ADC1_1
2
ADC input channel 1. Shared between 10-bit ADC0/1.
ADC input channel 2. Shared between 10-bit ADC0/1.
ADC input channel 3. Shared between 10-bit ADC0/1.
ADC input channel 4. Shared between 10-bit ADC0/1.
ADC input channel 5. Shared between 10-bit ADC0/1.
ADC input channel 6. Shared between 10-bit ADC0/1.
ADC input channel 7. Shared between 10-bit ADC0/1.
ADC0_2/
ADC1_2
143
139
138
144
142
136
ADC0_3/
ADC1_3
ADC0_4/
ADC1_4
ADC0_5/
ADC1_5
-
ADC0_6/
ADC1_6
-
ADC0_7/
ADC1_7
-
RTC
[11]
RTC_ALARM
A11 A10 C3 129
O
O
RTC controlled output. This pin has an internal pull-up. The
reset state of this pin is LOW after POR. For all other types of
reset, the reset state depends on the state of the RTC alarm
interrupt.
[8]
[8]
RTCX1
RTCX2
A8
B8
A8
B7
A5
B5
125
126
-
-
I
Input to the RTC 32 kHz ultra-low power oscillator circuit.
Output from the RTC 32 kHz ultra-low power oscillator circuit.
O
Crystal oscillator pins
[8]
[8]
XTAL1
D1
C1
D1
B1
12
-
-
I
Input to the oscillator circuit and internal clock generator
circuits.
XTAL2
E1
C1 13
D1 16
O
Output from the oscillator amplifier.
Power and ground pins
USB0_VDDA
3V3_DRIVER
F3
E3
-
-
Separate analog 3.3 V power supply for driver.
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
USB0
_VDDA3V3
G3
H3
G1
B4
F3
G3
F1
A6
D2 17
D3 19
-
-
-
-
-
-
USB 3.3 V separate power supply voltage.
USB0_VSSA
_TERM
Dedicated analog ground for clean reference for termination
resistors.
USB0_VSSA
_REF
F2
23
Dedicated clean analog ground for generation of reference
currents and voltages.
VDDA
VBAT
B2
137
-
-
-
-
Analog power supply and ADC reference voltage.
B10 B9
C5 127
RTC power supply: 3.3 V on this pin supplies power to the
RTC.
VDDREG
F10, D8,
E4, 94,
E5, 131,
-
Main regulator power supply. Tie the VDDREG and VDDIO
pins to a common power supply to ensure the same ramp-up
time for both supply voltages.
F9,
L8,
L7
E8
F4
59,
25
[12]
[12]
VPP
E8
-
-
-
-
-
-
-
OTP programming voltage.
VDDIO
D7,
H5,
F10, 5,
I/O power supply. Tie the VDDREG and VDDIO pins to a
common power supply to ensure the same ramp-up time for
both supply voltages.
E12, H10, K5
F7,
36,
41,
K8,
F8,
G10
71,
G10,
H10,
J6,
77,
107,
111,
141
J7,
K7,
L9,
L10,
N7,
N13
VDD
VSS
-
-
-
-
-
-
Power supply for main regulator, I/O, and OTP.
Ground.
[13]
[14]
G9, F10,
H7, D7,
-
-
J10, E6,
J11, E7,
K8
E9,
K6,
K9
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 3.
Pin description …continued
LCD, Ethernet, USB0, and USB1 functions are not available on all parts. See Table 2.
Symbol
Description
[13]
[14]
VSSIO
C4,
D13,
G6,
G7,
G8,
H8,
H9,
J8,
-
C8, 4,
D4, 40,
D5, 76,
G8, 109
J3,
-
-
Ground.
J6
J9,
K9,
K10,
M13,
P7,
P13
VSSA
B2
B9
A3
B8
C2 135
-
-
-
-
Analog ground.
n.c.
Not connected
-
-
-
[1] N = neutral, input buffer disabled; no extra VDDIO current consumption if the input is driven midway between supplies; set the EZI bit in
the SFS register to enable the input buffer; I = input; OL = output driving LOW; OH = output driving HIGH; AI/O = analog input/output; IA
= inactive; PU = pull-up enabled (weak pull-up resistor pulls up pin to VDDIO; F = floating. Reset state reflects the pin state at reset
without boot code operation.
[2] 5 V tolerant pad with 15 ns glitch filter (5 V tolerant if VDDIO present; if VDDIO not present, do not exceed 3.6 V); provides digital I/O
functions with TTL levels and hysteresis; normal drive strength.
[3] 5 V tolerant pad with 15 ns glitch filter (5 V tolerant if VDDIO present; if VDDIO not present, do not exceed 3.6 V); provides digital I/O
functions with TTL levels, and hysteresis; high drive strength.
[4] 5 V tolerant pad with 15 ns glitch filter (5 V tolerant if VDDIO present; if VDDIO not present, do not exceed 3.6 V); provides high-speed
digital I/O functions with TTL levels and hysteresis.
[5] 5 V tolerant pad providing digital I/O functions (with TTL levels and hysteresis) and analog input or output (5 V tolerant if VDDIO present;
if VDDIO not present, do not exceed 3.6 V). When configured as an ADC input or DAC output, the pin is not 5 V tolerant and the digital
section of the pad must be disabled by setting the pin to an input function and disabling the pull-up resistor through the pin’s SFSP
register.
[6] 5 V tolerant transparent analog pad.
[7] For maximum load CL = 6.5 μF and maximum pull-down resistance Rpd = 80 kΩ, the VBUS signal takes about 2 s to fall from VBUS =
5 V to VBUS = 0.2 V when it is no longer driven.
[8] Transparent analog pad. Not 5 V tolerant.
[9] Pad provides USB functions 5 V tolerant if VDDIO present; if VDDIO not present, do not exceed 3.6 V. It is designed in accordance with
the USB specification, revision 2.0 (Full-speed and Low-speed mode only).
[10] Open-drain 5 V tolerant digital I/O pad, compatible with I2C-bus Fast Mode Plus specification. This pad requires an external pull-up to
provide output functionality. When power is switched off, this pin connected to the I2C-bus is floating and does not disturb the I2C lines.
[11] 5 V tolerant pad with 20 ns glitch filter; provides digital I/O functions with open-drain output and hysteresis.
[12] On the TFBGA100 package, VPP is internally connected to VDDIO.
[13] On the LQFP144 package, VSSIO and VSS are connected to a common ground plane.
[14] On the TFBGA100 package, VSS is internally connected to VSSIO.
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32-bit ARM Cortex-M4/M0 microcontroller
7. Functional description
7.1 Architectural overview
The ARM Cortex-M4 includes three AHB-Lite buses: the system bus, the I-CODE bus,
and the D-code bus. The I-CODE and D-code core buses allow for concurrent code and
data accesses from different slave ports.
The LPC43S50/S30/S20 use a multi-layer AHB matrix to connect the ARM Cortex-M4
buses and other bus masters to peripherals in a flexible manner that optimizes
performance by allowing peripherals that are on different slaves ports of the matrix to be
accessed simultaneously by different bus masters.
An ARM Cortex-M0 co-processor is included in the LPC43S50/S30/S20, capable of
off-loading the main ARM Cortex-M4 application processor. Most peripheral interrupts are
connected to both processors. The processors communicate with each other via an
interprocessor communication protocol.
7.2 ARM Cortex-M4 processor
The ARM Cortex-M4 CPU incorporates a 3-stage pipeline, uses a Harvard architecture
with separate local instruction and data buses as well as a third bus for peripherals, and
includes an internal prefetch unit that supports speculative branching. The ARM
Cortex-M4 supports single-cycle digital signal processing and SIMD instructions. A
hardware floating-point processor is integrated in the core. The processor includes an
NVIC with up to 53 interrupts.
7.3 ARM Cortex-M0 coprocessor
The ARM Cortex-M0 is a general purpose, 32-bit microprocessor, which offers high
performance and very low-power consumption. The ARM Cortex-M0 co-processor uses a
3-stage pipeline von-Neumann architecture and a small but powerful instruction set
providing high-end processing hardware. The co-processor incorporates an NVIC with 32
interrupts.
7.4 Interprocessor communication
The ARM Cortex-M4 and ARM Cortex-M0 interprocessor communication is based on
using shared SRAM as mailbox and one processor raising an interrupt on the other
processor's NVIC, for example after it has delivered a new message in the mailbox. The
receiving processor can reply by raising an interrupt on the sending processor's NVIC to
acknowledge the message.
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32-bit ARM Cortex-M4/M0 microcontroller
7.5 AHB multilayer matrix
HIGH-SPEED PHY
TEST/DEBUG
INTERFACE
TEST/DEBUG
INTERFACE
ARM
ARM
SD/
MMC
DMA
1
ETHERNET
USB0
USB1
LCD
masters
CORTEX-M4 CORTEX-M0
System
I-
D-
0
bus code code
bus bus
slaves
64 kB ROM
128 kB LOCAL SRAM
72 kB LOCAL SRAM
SPIFI
SGPIO
32 kB AHB SRAM
16 kB + 16 kB
AHB SRAM
EXTERNAL
MEMORY
CONTROLLER
AHB PERIPHERALS
REGISTER
INTERFACES
APB, RTC
DOMAIN
PERIPHERALS
AHB MULTILAYER MATRIX
= master-slave connection
002aaf873
Fig 6. AHB multilayer matrix master and slave connections
7.6 Nested Vectored Interrupt Controller (NVIC)
The NVIC is an integral part of the Cortex-M4. The tight coupling to the CPU allows for low
interrupt latency and efficient processing of late arriving interrupts.
The ARM Cortex-M0 coprocessor has its own NVIC with 32 vectored interrupts. Most
peripheral interrupts are shared between the Cortex-M0 and Cortex-M4 NVICs.
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32-bit ARM Cortex-M4/M0 microcontroller
7.6.1 Features
• Controls system exceptions and peripheral interrupts.
• The Cortex-M4 NVIC supports up to 53 vectored interrupts.
• Eight programmable interrupt priority levels with hardware priority level masking.
• Relocatable vector table.
• Non-Maskable Interrupt (NMI).
• Software interrupt generation.
7.6.2 Interrupt sources
Each peripheral device has one interrupt line connected to the NVIC but may have several
interrupt flags. Individual interrupt flags can represent more than one interrupt source.
7.7 System Tick timer (SysTick)
The ARM Cortex-M4 includes a system tick timer (SysTick) that is intended to generate a
dedicated SYSTICK exception at a 10 ms interval.
Remark: The SysTick is not included in the ARM Cortex-M0 core.
7.8 Event router
The event router combines various internal signals, interrupts, and the external interrupt
pins (WAKEUP[3:0]) to create an interrupt in the NVIC, if enabled. In addition, the event
router creates a wake-up signal to the ARM core and the CCU for waking up from Sleep,
Deep-sleep, Power-down, and Deep power-down modes. Individual events can be
configured as edge or level sensitive and can be enabled or disabled in the event router.
The event router can be battery powered.
The following events if enabled in the event router can create a wake-up signal from
sleep, deep-sleep, power-down, and deep power-down modes and/or create an interrupt:
• External pins WAKEUP0/1/2/3 and RESET
• Alarm timer, RTC (32 kHz oscillator running)
The following events if enabled in the event router can create a wake-up signal from sleep
mode only and/or create an interrupt:
• WWDT, BOD interrupts
• C_CAN0/1 and QEI interrupts
• Ethernet, USB0, USB1 signals
• Selected outputs of combined timers (SCTimer/PWM and timer0/1/3)
Remark: Any interrupt can wake up the ARM Cortex-M4 from sleep mode if enabled in
the NVIC.
7.9 Global Input Multiplexer Array (GIMA)
The GIMA routes signals to event-driven peripheral targets like the SCTimer/PWM,
timers, event router, or the ADCs.
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32-bit ARM Cortex-M4/M0 microcontroller
7.9.1 Features
• Single selection of a source.
• Signal inversion.
• Can capture a pulse if the input event source is faster than the target clock.
• Synchronization of input event and target clock.
• Single-cycle pulse generation for target.
7.10 On-chip static RAM
The LPC43S50/S30/S20 support up to 200 kB local SRAM and an additional 64 kB AHB
SRAM with separate bus master access for higher throughput and individual power
control for low-power operation.
7.11 In-System Programming (ISP)
In-System Programming (ISP) means programming or reprogramming the on-chip SRAM
memory, using the boot loader software and the USART0 serial port. ISP can be
performed when the part resides in the end-user board. ISP loads data into on-chip SRAM
and execute code from on-chip SRAM.
7.12 Boot ROM
The internal ROM memory is used to store the boot code of the LPC43S50/S30/S20. After
a reset, the ARM processor will start its code execution from this memory.
The boot ROM memory includes the following features:
• The ROM memory size is 64 kB.
• Supports booting from UART interfaces and external static memory such as NOR
flash, quad SPI flash, and USB0 and USB1.
• Includes API for OTP programming.
• Includes a flexible USB device stack that supports Human Interface Device (HID),
Mass Storage Class (MSC), and Device Firmware Upgrade (DFU) drivers.
Several boot modes are available depending on the values of the OTP bits BOOT_SRC. If
the OTP memory is not programmed or the BOOT_SRC bits are all zero, the boot mode is
determined by the states of the boot pins P2_9, P2_8, P1_2, and P1_1.
Table 4.
Boot mode when OTP BOOT_SRC bits are programmed
Boot mode BOOT_SRC BOOT_SRC BOOT_SRC BOOT_SRC Description
bit 3
bit 2
bit 1
bit 0
Pin state
USART0
SPIFI
0
0
0
0
Boot source is defined by the reset state of P1_1,
P1_2, P2_8, and P2_9 pins. See Table 5.
0
0
0
0
0
0
0
1
1
1
0
1
Boot from device connected to USART0 using pins
P2_0 and P2_1.
Boot from Quad SPI flash connected to the SPIFI
interface using pins P3_3 to P3_8.
EMC 8-bit
Boot from external static memory (such as NOR
flash) using CS0 and an 8-bit data bus.
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32-bit ARM Cortex-M4/M0 microcontroller
Table 4.
Boot mode when OTP BOOT_SRC bits are programmed …continued
Boot mode BOOT_SRC BOOT_SRC BOOT_SRC BOOT_SRC Description
bit 3
bit 2
bit 1
bit 0
EMC 16-bit
EMC 32-bit
0
1
0
0
Boot from external static memory (such as NOR
flash) using CS0 and a 16-bit data bus.
0
1
0
1
Boot from external static memory (such as NOR
flash) using CS0 and a 32-bit data bus.
USB0
0
0
1
1
1
0
1
1
0
0
1
0
Boot from USB0.
Boot from USB1.
USB1
SPI (SSP)
Boot from SPI flash connected to the SSP0
interface on P3_3 (function SSP0_SCK), P3_6
(function SSP0_SSEL), P3_7 (function
SSP0_MISO), and P3_8 (function SSP0_MOSI)[1].
USART3
1
0
0
1
Boot from device connected to USART3 using pins
P2_3 and P2_4.
[1] The boot loader programs the appropriate pin function at reset to boot using either SSP0 or SPIFI.
Remark: Pin functions for SPIFI and SSP0 boot are different.
Table 5.
Boot mode when OPT BOOT_SRC bits are zero
Pins
Boot mode
Description
P2_9
P2_8
P1_2
P1_1
USART0
SPIFI
LOW
LOW
LOW
LOW
Boot from device connected to USART0 using pins
P2_0 and P2_1.
LOW
LOW
LOW
LOW
LOW
LOW
LOW
HIGH
LOW
HIGH
HIGH
LOW
HIGH
LOW
HIGH
LOW
Boot from Quad SPI flash connected to the SPIFI
interface on P3_3 to P3_8[1]
.
EMC 8-bit
EMC 16-bit
EMC 32-bit
Boot from external static memory (such as NOR
flash) using CS0 and an 8-bit data bus.
Boot from external static memory (such as NOR
flash) using CS0 and a 16-bit data bus.
Boot from external static memory (such as NOR
flash) using CS0 and a 32-bit data bus.
USB0
LOW
LOW
LOW
HIGH
HIGH
HIGH
LOW
HIGH
HIGH
HIGH
LOW
HIGH
Boot from USB0
Boot from USB1.
USB1
SPI (SSP)
Boot from SPI flash connected to the SSP0
interface on P3_3 (function SSP0_SCK), P3_6
(function SSP0_SSEL), P3_7 (function
SSP0_MISO), and P3_8 (function SSP0_MOSI)[1]
.
USART3
HIGH
LOW
LOW
LOW
Boot from device connected to USART3 using pins
P2_3 and P2_4.
[1] The boot loader programs the appropriate pin function at reset to boot using either SSP0 or SPIFI.
Remark: Pin functions for SPIFI and SSP0 boot are different.
7.13 Memory mapping
The memory map shown in Figure 7 and Figure 8 is global to both the Cortex-M4 and the
Cortex-M0 processors and all SRAM is shared between both processors. Each processor
uses its own ARM private bus memory map for the NVIC and other system functions.
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32-bit ARM Cortex-M4/M0 microcontroller
LPC43S50/30/20
4 GB
0xFFFF FFFF
reserved
0xE010 0000
ARM private bus
0xE000 0000
reserved
0x8800 0000
SPIFI data
0x8000 0000
256 MB dynamic external memory DYCS3
0x7000 0000
256 MB dynamic external memory DYCS2
0x6000 0000
reserved
0x4400 0000
peripheral bit band alias region
0x4200 0000
reserved
0x4010 2000
SGPIO
0x4010 1000
0x4010 0000
SPI
reserved
0x400F 8000
high-speed GPIO
0x400F 4000
reserved
0x400F 2000
reserved
0x400F 1000
reserved
0x400F 0000
APB peripherals #3
0x400E 0000
reserved
0x400D 0000
APB peripherals #2
0x400C 0000
reserved
0x400B 0000
0x2000 0000
APB peripherals #1
16 MB static external memory CS3
0x400A 0000
0x1F00 0000
0x1E00 0000
0x1D00 0000
0x1C00 0000
reserved
16 MB static external memory CS2
16 MB static external memory CS1
0x4009 0000
APB peripherals #0
0x4008 0000
16 MB static external memory CS0
reserved
0x4006 0000
clocking/reset peripherals
0x4005 0000
reserved
RTC domain peripherals
0x4004 0000
0x1800 0000
0x1400 0000
reserved
SPIFI data
0x4001 2000
AHB peripherals
1 GB
0x4000 0000
reserved
256 MB dynamic external memory DYCS1
0x1041 0000
0x1040 0000
0x1009 2000
0x3000 0000
64 kB ROM
reserved
128 MB dynamic external memory DYCS0
0x2800 0000
reserved
64 kB + 8 kB local SRAM
(LPC43S50/S30)
0x2400 0000
0x1008 A000
32 MB AHB SRAM bit banding
0x2200 0000
32 kB + 8 kB local SRAM
(LPC43S20)
reserved
0x2001 0000
0x1008 0000
0x1002 0000
16 kB AHB SRAM (LPC43S50/S30/S20)
reserved
0x2000 C000
16 kB AHB SRAM (LPC43S50/S30/S20)
0x2000 8000
16 kB AHB SRAM (LPC43S50/S30/S20)
32 kB local SRAM
(LPC43S50/S30)
0x1001 8000
0x1000 0000
0x2000 4000
96 kB local SRAM
(LPC43S50/S30/S20)
16 kB AHB SRAM (LPC43S50/S30/S20)
0x2000 0000
local SRAM/
external static memory banks
0x1000 0000
256 MB shadow area
0x0000 0000
0 GB
aaa-013544
Fig 7. LPC43S50/S30/S20 Memory mapping (overview)
LPC43S50_S30_S20
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xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
LPC43S50/30/20
0x400F 0000
reserved
ADC1
0x400E 5000
0x400E 4000
0x400E 3000
0x400E 2000
0x400E 1000
0xFFFF FFFF
APB3
external memories and
ARM private bus
peripherals
ADC0
0x6000 0000
0x4400 0000
0x4006 0000
0x4005 4000
C_CAN0
DAC
reserved
RGU
reserved
peripheral bit band alias region
reserved
0x4005 3000
0x4005 2000
0x4005 1000
0x4005 0000
clocking
reset control
peripherals
I2C1
0x4200 0000
0x4010 2000
0x4010 1000
0x4010 0000
0x400E 0000
0x400C 8000
CCU2
CCU1
CGU
SGPIO
SPI
GIMA
0x400C 7000
0x400C 6000
QEI
SSP1
APB2
peripherals
reserved
0x400C 5000
0x400C 4000
0x400C 3000
0x400C 2000
0x400C 1000
0x400F 8000
0x400F 4000
0x400F 2000
reserved
RTC
timer3
high-speed GPIO
reserved
0x4004 7000
0x4004 6000
timer2
OTP controller
event router
CREG
USART3
USART2
0x4004 5000
0x4004 4000
0x4004 3000
0x4004 2000
reserved
reserved
0x400F 1000
0x400F 0000
0x400E 0000
0x400D 0000
0x400C 0000
RTC domain
peripherals
RI timer
0x400C 0000
0x400B 0000
APB3 peripherals
reserved
power mode control
backup registers
alarm timer
reserved
C_CAN1
I2S1
I2S0
0x400A 5000
0x400A 4000
0x400A 3000
0x400A 2000
0x400A 1000
0x4004 1000
0x4004 0000
APB2 peripherals
reserved
APB1
peripherals
0x400B 0000
0x400A 0000
0x4009 0000
0x4008 0000
APB1 peripherals
0x4001 2000
0x4001 0000
ethernet
reserved
LCD
I2C0
reserved
motor control PWM
0x4000 9000
0x4000 8000
0x4000 7000
0x4000 6000
0x400A 0000
APB0 peripherals
0x4008 A000
0x4008 9000
0x4008 8000
0x4008 7000
GPIO GROUP1 interrupt
reserved
USB1
0x4006 0000
0x4005 0000
0x4004 0000
GPIO GROUP0 interrupt
GPIO interrupts
SCU
USB0
clocking/reset peripherals
RTC domain peripherals
reserved
EMC
SD/MMC
SPIFI
0x4000 5000
0x4000 4000
0x4000 3000
0x4000 2000
0x4000 1000
0x4000 0000
AHB
peripherals
0x4008 6000
0x4008 5000
0x4008 4000
0x4008 3000
0x4008 2000
APB0
peripherals
timer1
timer0
0x4001 2000
0x4000 0000
AHB peripherals
DMA
SSP0
reserved
SCT
SRAM memories
external memory banks
UART1 w/ modem
USART0
0x4008 1000
0x4008 0000
0x0000 0000
WWDT
aaa-013546
Fig 8. LPC43S50/S30/S20 Memory mapping (peripherals)
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
7.14 One-Time Programmable (OTP) memory
The OTP provides 64 bit One-Time Programmable (OTP) memory for general-purpose
use. 256 bit of OTP memory are available to store two AES keys in two memory banks.
One bank is encrypted.
7.15 General-Purpose I/O (GPIO)
The LPC43S50/S30/S20 provide eight GPIO ports with up to 31 GPIO pins each.
Device pins that are not connected to a specific peripheral function are controlled by the
GPIO registers. Pins may be dynamically configured as inputs or outputs. Separate
registers allow setting or clearing any number of outputs simultaneously. The value of the
output register may be read back as well as the current state of the port pins.
All GPIO pins default to inputs with pull-up resistors enabled and input buffer disabled on
reset. The input buffer must be turned on in the system control block SFS register before
the GPIO input can be read.
7.15.1 Features
• Accelerated GPIO functions:
– GPIO registers are located on the AHB so that the fastest possible I/O timing can
be achieved.
– Mask registers allow treating sets of port bits as a group, leaving other bits
unchanged.
– All GPIO registers are byte and half-word addressable.
– Entire port value can be written in one instruction.
• Bit-level set and clear registers allow a single instruction set or clear of any number of
bits in one port.
• Direction control of individual bits.
• Up to eight GPIO pins can be selected from all GPIO pins to create an edge- or
level-sensitive GPIO interrupt request (GPIO interrupts).
• Two GPIO group interrupts can be triggered by any pin or pins in each port (GPIO
group0 and group1 interrupts).
7.16 Configurable digital peripherals
7.16.1 State Configurable Timer (SCTimer/PWM) subsystem
The SCTimer/PWM allows a wide variety of timing, counting, output modulation, and input
capture operations. The inputs and outputs of the SCTimer/PWM are shared with the
capture and match inputs/outputs of the 32-bit general-purpose counter/timers.
The SCTimer/PWM can be configured as two 16-bit counters or a unified 32-bit counter. In
the two-counter case, in addition to the counter value the following operational elements
are independent for each half:
• State variable
• Limit, halt, stop, and start conditions
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• Values of Match/Capture registers, plus reload or capture control values
In the two-counter case, the following operational elements are global to the
SCTimer/PWM, but the last three can use match conditions from either counter:
• Clock selection
• Inputs
• Events
• Outputs
• Interrupts
7.16.1.1 Features
• Two 16-bit counters or one 32-bit counter.
• Counters clocked by bus clock or selected input.
• Counters can be configured as up-counters or up-down counters.
• State variable allows sequencing across multiple counter cycles.
• Event combines input or output condition and/or counter match in a specified state.
• Events control outputs and interrupts.
• Selected events can limit, halt, start, or stop a counter.
• Supports:
– up to 8 inputs
– 16 outputs
– 16 match/capture registers
– 16 events
– 32 states
7.16.2 Serial GPIO (SGPIO)
The Serial GPIOs offer standard GPIO functionality enhanced with features to accelerate
serial stream processing.
7.16.2.1 Features
• Each SGPIO input/output slice can be used to perform a serial to parallel or parallel to
serial data conversion.
• 16 SGPIO input/output slices each with a 32-bit FIFO that can shift the input value
from a pin or an output value to a pin with every cycle of a shift clock.
• Each slice is double-buffered.
• Interrupt is generated on a full FIFO, shift clock, or pattern match.
• Slices can be concatenated to increase buffer size.
• Each slice has a 32-bit pattern match filter.
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32-bit ARM Cortex-M4/M0 microcontroller
7.17 AHB peripherals
7.17.1 AES decryption/encryption
The hardware AES engine can decode and encode data using the AES algorithm in
conjunction with a 128-bit key.
The AES encryption and decryption features are accessible through the ROM-based AES
API.
7.17.1.1 Features
• On-chip API support for AES encryption and decryption.
• Two 128-bit OTP memories for AES key storage and customer use.One OTP memory
bank is encrypted.
• Random number generator (RNG) accessible through AES API.
• Unique ID for each device.
• Decoding of external flash data connected to the quad SPI Flash Interface (SPIFI).
• Secure storage of encryption and decryption keys.
• Support for CMAC hash calculation to authenticate encrypted data.
• AES engine supports the following modes:
– Electronic Code Block (ECB) mode (encryption and decryption) with 128-bit key.
– Cypher Block Chaining (CBC) mode (encryption and decryption) with 128-bit key.
• The AES engine is compliant with the FIPS (Federal Information Processing
Standard) Publication 197, Advanced Encryption Standard (AES).
• Random Number Generator (RNG) is supported by the AES API and passes the
following tests:
– diehard
– FIPS_140-1
– NIST
• Data is processed in little endian mode. This means that the first byte read from flash
is integrated into the AES codeword as least significant byte. The 16th byte read from
flash is the most significant byte of the first AES codeword.
• AES peak engine performance of 0.5 byte/clock cycle.
• DMA transfers supported through the GPDMA.
7.17.2 General-Purpose DMA (GPDMA)
The DMA controller allows peripheral-to memory, memory-to-peripheral,
peripheral-to-peripheral, and memory-to-memory transactions. Each DMA stream
provides unidirectional serial DMA transfers for a single source and destination. For
example, a bidirectional port requires one stream for transmit and one for receives. The
source and destination areas can each be either a memory region or a peripheral for
master 1, but only memory for master 0.
7.17.2.1 Features
• Eight DMA channels. Each channel can support a unidirectional transfer.
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32-bit ARM Cortex-M4/M0 microcontroller
• 16 DMA request lines.
• Single DMA and burst DMA request signals. Each peripheral connected to the DMA
Controller can assert either a burst DMA request or a single DMA request. The DMA
burst size is set by programming the DMA Controller.
• Memory-to-memory, memory-to-peripheral, peripheral-to-memory, and
peripheral-to-peripheral transfers are supported.
• Scatter or gather DMA is supported through the use of linked lists. This means that
the source and destination areas do not have to occupy contiguous areas of memory.
• Hardware DMA channel priority.
• AHB slave DMA programming interface. The DMA Controller is programmed by
writing to the DMA control registers over the AHB slave interface.
• Two AHB bus masters for transferring data. These interfaces transfer data when a
DMA request goes active. Master 1 can access memories and peripherals, master 0
can access memories only.
• 32-bit AHB master bus width.
• Incrementing or non-incrementing addressing for source and destination.
• Programmable DMA burst size. The DMA burst size can be programmed to more
efficiently transfer data.
• Internal four-word FIFO per channel.
• Supports 8, 16, and 32-bit wide transactions.
• Big-endian and little-endian support. The DMA Controller defaults to little-endian
mode on reset.
• An interrupt to the processor can be generated on a DMA completion or when a DMA
error has occurred.
• Raw interrupt status. The DMA error and DMA count raw interrupt status can be read
prior to masking.
7.17.3 SPI Flash Interface (SPIFI)
The SPI Flash Interface allows low-cost serial flash memories to be connected to the ARM
Cortex-M4 processor with little performance penalty compared to parallel flash devices
with higher pin count.
After a few commands configure the interface at startup, the entire flash content is
accessible as normal memory using byte, halfword, and word accesses by the processor
and/or DMA channels. Simple sequences of commands handle erasing and
programming.
Many serial flash devices use a half-duplex command-driven SPI protocol for device setup
and initialization and then move to a half-duplex, command-driven 4-bit protocol for
normal operation. Different serial flash vendors and devices accept or require different
commands and command formats. SPIFI provides sufficient flexibility to be compatible
with common flash devices and includes extensions to help insure compatibility with future
devices.
7.17.3.1 Features
• Interfaces to serial flash memory in the main memory map.
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32-bit ARM Cortex-M4/M0 microcontroller
• Supports classic and 4-bit bidirectional serial protocols.
• Half-duplex protocol compatible with various vendors and devices.
• Quad SPI Flash Interface (SPIFI) with 1-, 2-, or 4-bit data at rates of up to
52 MB per second.
• Supports DMA access.
7.17.4 SD/MMC card interface
The SD/MMC card interface supports the following modes to control:
• Secure Digital memory (SD version 3.0)
• Secure Digital I/O (SDIO version 2.0)
• Consumer Electronics Advanced Transport Architecture (CE-ATA version 1.1)
• MultiMedia Cards (MMC version 4.4)
7.17.5 External Memory Controller (EMC)
The LPC43S50/S30/S20 EMC is a Memory Controller peripheral offering support for
asynchronous static memory devices such as RAM, ROM, and NOR flash. In addition, it
can be used as an interface with off-chip memory-mapped devices and peripherals.
7.17.5.1 Features
• Dynamic memory interface support including single data rate SDRAM.
• Asynchronous static memory device support including RAM, ROM, and NOR flash,
with or without asynchronous page mode.
• Low transaction latency.
• Read and write buffers to reduce latency and to improve performance.
• 8/16/32 data and 24 address lines-wide static memory support.
• 16 bit and 32 bit wide chip select SDRAM memory support.
• Static memory features include:
– Asynchronous page mode read
– Programmable Wait States
– Bus turnaround delay
– Output enable and write enable delays
– Extended wait
• Four chip selects for synchronous memory and four chip selects for static memory
devices.
• Power-saving modes dynamically control EMC_CKEOUT and EMC_CLK signals to
SDRAMs.
• Dynamic memory self-refresh mode controlled by software.
• Controller supports 2048 (A0 to A10), 4096 (A0 to A11), and 8192 (A0 to A12) row
address synchronous memory parts. Those are typically 512 MB, 256 MB, and
128 MB parts, with 4, 8, 16, or 32 data bits per device.
• Separate reset domains allow auto-refresh through a chip reset if desired.
• SDRAM clock can run at full or half the Cortex-M4 core frequency.
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32-bit ARM Cortex-M4/M0 microcontroller
Note: Synchronous static memory devices (synchronous burst mode) are not supported.
7.17.6 High-speed USB Host/Device/OTG interface (USB0)
Remark: The USB0 controller is available on parts LPC43S50/S30/S20. See Table 2.
The USB OTG module allows the LPC43S50/S30/S20 to connect directly to a USB Host
such as a PC (in device mode) or to a USB Device in host mode.
7.17.6.1 Features
• On-chip UTMI+ compliant high-speed transceiver (PHY).
• Complies with Universal Serial Bus specification 2.0.
• Complies with USB On-The-Go supplement.
• Complies with Enhanced Host Controller Interface Specification.
• Supports auto USB 2.0 mode discovery.
• Supports all high-speed USB-compliant peripherals.
• Supports all full-speed USB-compliant peripherals.
• Supports software Host Negotiation Protocol (HNP) and Session Request Protocol
(SRP) for OTG peripherals.
• Supports interrupts.
• This module has its own, integrated DMA engine.
• USB interface electrical test software included in ROM USB stack.
7.17.7 High-speed USB Host/Device interface with ULPI (USB1)
Remark: The USB1 controller is available on parts LPC43S50/S30. See Table 2.
The USB1 interface can operate as a full-speed USB Host/Device interface or can
connect to an external ULPI PHY for High-speed operation.
7.17.7.1 Features
• Complies with Universal Serial Bus specification 2.0.
• Complies with Enhanced Host Controller Interface Specification.
• Supports auto USB 2.0 mode discovery.
• Supports all high-speed USB-compliant peripherals if connected to external ULPI
PHY.
• Supports all full-speed USB-compliant peripherals.
• Supports interrupts.
• This module has its own, integrated DMA engine.
• USB interface electrical test software included in ROM USB stack.
7.17.8 LCD controller
Remark: The LCD controller is available on LPC43S50 only. See Table 2.
The LCD controller provides all of the necessary control signals to interface directly to
various color and monochrome LCD panels. Both STN (single and dual panel) and TFT
panels can be operated. The display resolution is selectable and can be up to 1024 768
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32-bit ARM Cortex-M4/M0 microcontroller
pixels. Several color modes are provided, up to a 24-bit true-color non-palettized mode.
An on-chip 512 byte color palette allows reducing bus utilization (that is, memory size of
the displayed data) while still supporting many colors.
The LCD interface includes its own DMA controller to allow it to operate independently of
the CPU and other system functions. A built-in FIFO acts as a buffer for display data,
providing flexibility for system timing. Hardware cursor support can further reduce the
amount of CPU time required to operate the display.
7.17.8.1 Features
• AHB master interface to access frame buffer.
• Setup and control via a separate AHB slave interface.
• Dual 16-deep programmable 64-bit wide FIFOs for buffering incoming display data.
• Supports single and dual-panel monochrome Super Twisted Nematic (STN) displays
with 4-bit or 8-bit interfaces.
• Supports single and dual-panel color STN displays.
• Supports Thin Film Transistor (TFT) color displays.
• Programmable display resolution including, but not limited to: 320 200, 320 240,
640 200, 640 240, 640 480, 800 600, and 1024 768.
• Hardware cursor support for single-panel displays.
• 15 gray-level monochrome, 3375 color STN, and 32 K color palettized TFT support.
• 1, 2, or 4 bits-per-pixel (bpp) palettized displays for monochrome STN.
• 1, 2, 4, or 8 bpp palettized color displays for color STN and TFT.
• 16 bpp true-color non-palettized for color STN and TFT.
• 24 bpp true-color non-palettized for color TFT.
• Programmable timing for different display panels.
• 256 entry, 16-bit palette RAM, arranged as a 128 32-bit RAM.
• Frame, line, and pixel clock signals.
• AC bias signal for STN, data enable signal for TFT panels.
• Supports little and big-endian, and Windows CE data formats.
• LCD panel clock may be generated from the peripheral clock, or from a clock input
pin.
7.17.9 Ethernet
Remark: The Ethernet peripheral is available on parts LPC43S50/S30. See Table 2.
7.17.9.1 Features
• 10/100 Mbit/s
• DMA support
• Power management remote wake-up frame and magic packet detection
• Supports both full-duplex and half-duplex operation
– Supports CSMA/CD Protocol for half-duplex operation.
– Supports IEEE 802.3x flow control for full-duplex operation.
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– Optional forwarding of received pause control frames to the user application in
full-duplex operation.
– Back-pressure support for half-duplex operation.
– Automatic transmission of zero-quanta pause frame on deassertion of flow control
input in full-duplex operation.
• Supports IEEE1588 time stamping and IEEE 1588 advanced time stamping (IEEE
1588-2008 v2).
7.18 Digital serial peripherals
7.18.1 UART1
The LPC43S50/S30/S20 contain one UART with standard transmit and receive data lines.
UART1 also provides a full modem control handshake interface and support for
RS-485/9-bit mode allowing both software address detection and automatic address
detection using 9-bit mode.
UART1 includes a fractional baud rate generator. Standard baud rates such as 115200 Bd
can be achieved with any crystal frequency above 2 MHz.
7.18.1.1 Features
• Maximum UART data bit rate of 8 MBit/s.
• 16 B Receive and Transmit FIFOs.
• Register locations conform to 16C550 industry standard.
• Receiver FIFO trigger points at 1 B, 4 B, 8 B, and 14 B.
• Built-in fractional baud rate generator covering wide range of baud rates without a
need for external crystals of particular values.
• Auto baud capabilities and FIFO control mechanism that enables software flow
control implementation.
• Equipped with standard modem interface signals. This module also provides full
support for hardware flow control.
• Support for RS-485/9-bit/EIA-485 mode (UART1).
• DMA support.
7.18.2 USART0/2/3
The LPC43S50/S30/S20 contain three USARTs. In addition to standard transmit and
receive data lines, the USARTs support a synchronous mode.
The USARTs include a fractional baud rate generator. Standard baud rates such as
115200 Bd can be achieved with any crystal frequency above 2 MHz.
7.18.2.1 Features
• Maximum UART data bit rate of 8 MBit/s.
• 16 B Receive and Transmit FIFOs.
• Register locations conform to 16C550 industry standard.
• Receiver FIFO trigger points at 1 B, 4 B, 8 B, and 14 B.
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• Built-in fractional baud rate generator covering wide range of baud rates without a
need for external crystals of particular values.
• Auto baud capabilities and FIFO control mechanism that enables software flow
control implementation.
• Support for RS-485/9-bit/EIA-485 mode.
• USART3 includes an IrDA mode to support infrared communication.
• All USARTs have DMA support.
• Support for synchronous mode at a data bit rate of up to 8 Mbit/s.
• Smart card mode conforming to ISO7816 specification
7.18.3 SPI serial I/O controller
The LPC43S50/S30/S20 contain one SPI controller. SPI is a full-duplex serial interface
designed to handle multiple masters and slaves connected to a given bus. Only a single
master and a single slave can communicate on the interface during a given data transfer.
During a data transfer the master always sends 8 bits to 16 bits of data to the slave, and
the slave always sends 8 bits to 16 bits of data to the master.
7.18.3.1 Features
• Maximum SPI data bit rate 25 Mbit/s.
• Compliant with SPI specification
• Synchronous, serial, full-duplex communication
• Combined SPI master and slave
• Maximum data bit rate of one eighth of the input clock rate
• 8 bits to 16 bits per transfer
7.18.4 SSP serial I/O controller
Remark: The LPC43S50/S30/S20 contain two SSP controllers.
The SSP controller can operate on a SPI, 4-wire SSI, or Microwire bus. It can interact with
multiple masters and slaves on the bus. Only a single master and a single slave can
communicate on the bus during a given data transfer. The SSP supports full-duplex
transfers, with frames of 4 bit to 16 bit of data flowing from the master to the slave and
from the slave to the master. In practice, often only one of these data flows carries
meaningful data.
7.18.4.1 Features
• Maximum SSP speed in full-duplex mode of 25 Mbit/s; for transmit only 50 Mbit/s
(master) and 17 Mbit/s (slave).
• Compatible with Motorola SPI, 4-wire Texas Instruments SSI, and National
Semiconductor Microwire buses
• Synchronous serial communication
• Master or slave operation
• 8-frame FIFOs for both transmit and receive
• 4-bit to 16-bit frame
• DMA transfers supported by GPDMA
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7.18.5 I2C-bus interface
Remark: The LPC43S50/S30/S20 contain two I2C-bus interfaces.
The I2C-bus is bidirectional for inter-IC control using only two wires: a Serial Clock line
(SCL) and a Serial Data line (SDA). Each device is recognized by a unique address and
can operate as either a receiver-only device (for example an LCD driver) or a transmitter
with the capability to both receive and send information (such as memory). Transmitters
and/or receivers can operate in either master or slave mode, depending on whether the
chip has to initiate a data transfer or is only addressed. The I2C is a multi-master bus and
can be controlled by more than one bus master connected to it.
7.18.5.1 Features
• I2C0 is a standard I2C-compliant bus interface with open-drain pins. I2C0 also
supports Fast mode plus with bit rates up to 1 Mbit/s.
• I2C1 uses standard I/O pins with bit rates of up to 400 kbit/s (Fast I2C-bus).
• Easy to configure as master, slave, or master/slave.
• Programmable clocks allow versatile rate control.
• Bidirectional data transfer between masters and slaves.
• Multi-master bus (no central master).
• Arbitration between simultaneously transmitting masters without corruption of serial
data on the bus.
• Serial clock synchronization allows devices with different bit rates to communicate via
one serial bus.
• Serial clock synchronization can be used as a handshake mechanism to suspend and
resume serial transfer.
• The I2C-bus can be used for test and diagnostic purposes.
• All I2C-bus controllers support multiple address recognition and a bus monitor mode.
7.18.6 I2S interface
Remark: The LPC43S50/S30/S20 contain two I2S-bus interfaces.
The I2S-bus provides a standard communication interface for digital audio applications.
The I2S-bus specification defines a 3-wire serial bus using one data line, one clock line,
and one word select signal. The basic I2S-bus connection has one master, which is
always the master, and one slave. The I2S-bus interface provides a separate transmit and
receive channel, each of which can operate as either a master or a slave.
7.18.6.1 Features
• The I2S interface has separate input/output channels, each of which can operate in
master or slave mode.
• Capable of handling 8-bit, 16-bit, and 32-bit word sizes.
• Mono and stereo audio data supported.
• The sampling frequency can range from 16 kHz to 192 kHz (16, 22.05, 32, 44.1, 48,
96, 192) kHz.
• Support for an audio master clock.
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• Configurable word select period in master mode (separately for I2S-bus input and
output).
• Two 8-word FIFO data buffers are provided, one for transmit and one for receive.
• Generates interrupt requests when buffer levels cross a programmable boundary.
• Two DMA requests controlled by programmable buffer levels. The DMA requests are
connected to the GPDMA block.
• Controls include reset, stop and mute options separately for I2S-bus input and I2S-bus
output.
7.18.7 C_CAN
Remark: The LPC43S50/S30/S20 contain two C_CAN controllers.
Controller Area Network (CAN) is the definition of a high performance communication
protocol for serial data communication. The C_CAN controller is designed to provide a full
implementation of the CAN protocol according to the CAN Specification Version 2.0B. The
C_CAN controller can create powerful local networks with low-cost multiplex wiring by
supporting distributed real-time control with a high level of reliability.
7.18.7.1 Features
• Conforms to protocol version 2.0 parts A and B.
• Supports bit rate of up to 1 Mbit/s.
• Supports 32 Message Objects.
• Each Message Object has its own identifier mask.
• Provides programmable FIFO mode (concatenation of Message Objects).
• Provides maskable interrupts.
• Supports Disabled Automatic Retransmission (DAR) mode for time-triggered CAN
applications.
• Provides programmable loop-back mode for self-test operation.
7.19 Counter/timers and motor control
7.19.1 General purpose 32-bit timers/external event counters
The LPC43S50/S30/S20 include four 32-bit timer/counters. The timer/counter is designed
to count cycles of the system derived clock or an externally-supplied clock. It can
optionally generate interrupts, generate timed DMA requests, or perform other actions at
specified timer values, based on four match registers. Each timer/counter also includes
two capture inputs to trap the timer value when an input signal transitions, optionally
generating an interrupt.
7.19.1.1 Features
• A 32-bit timer/counter with a programmable 32-bit prescaler.
• Counter or timer operation.
• Two 32-bit capture channels per timer, that can take a snapshot of the timer value
when an input signal transitions. A capture event can also generate an interrupt.
• Four 32-bit match registers that allow:
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– Continuous operation with optional interrupt generation on match.
– Stop timer on match with optional interrupt generation.
– Reset timer on match with optional interrupt generation.
• Up to four external outputs corresponding to match registers, with the following
capabilities:
– Set LOW on match.
– Set HIGH on match.
– Toggle on match.
– Do nothing on match.
• Up to two match registers can be used to generate timed DMA requests.
7.19.2 Motor control PWM
The motor control PWM is a specialized PWM supporting 3-phase motors and other
combinations. Feedback inputs are provided to automatically sense rotor position and use
that information to ramp speed up or down. An abort input causes the PWM to release all
motor drive outputs immediately . At the same time, the motor control PWM is highly
configurable for other generalized timing, counting, capture, and compare applications.
7.19.3 Quadrature Encoder Interface (QEI)
A quadrature encoder, also known as a 2-channel incremental encoder, converts angular
displacement into two pulse signals. By monitoring both the number of pulses and the
relative phase of the two signals, the user code can track the position, direction of rotation,
and velocity. In addition, a third channel, or index signal, can be used to reset the position
counter. The quadrature encoder interface decodes the digital pulses from a quadrature
encoder wheel to integrate position over time and determine direction of rotation. In
addition, the QEI can capture the velocity of the encoder wheel.
7.19.3.1 Features
• Tracks encoder position.
• Increments/decrements depending on direction.
• Programmable for 2 or 4 position counting.
• Velocity capture using built-in timer.
• Velocity compare function with “less than” interrupt.
• Uses 32-bit registers for position and velocity.
• Three position-compare registers with interrupts.
• Index counter for revolution counting.
• Index compare register with interrupts.
• Can combine index and position interrupts to produce an interrupt for whole and
partial revolution displacement.
• Digital filter with programmable delays for encoder input signals.
• Can accept decoded signal inputs (clk and direction).
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7.19.4 Repetitive Interrupt (RI) timer
The repetitive interrupt timer provides a free-running 32-bit counter which is compared to
a selectable value, generating an interrupt when a match occurs. Any bits of the
timer/compare function can be masked such that they do not contribute to the match
detection. The repetitive interrupt timer can be used to create an interrupt that repeats at
predetermined intervals.
7.19.4.1 Features
• 32-bit counter. Counter can be free-running or be reset by a generated interrupt.
• 32-bit compare value.
• 32-bit compare mask. An interrupt is generated when the counter value equals the
compare value, after masking. This mechanism allows for combinations not possible
with a simple compare.
7.19.5 Windowed WatchDog Timer (WWDT)
The purpose of the watchdog is to reset the controller if software fails to periodically
service it within a programmable time window.
7.19.5.1 Features
• Internally resets chip if not periodically reloaded during the programmable time-out
period.
• Optional windowed operation requires reload to occur between a minimum and
maximum time period, both programmable.
• Optional warning interrupt can be generated at a programmable time prior to
watchdog time-out.
• Enabled by software but requires a hardware reset or a watchdog reset/interrupt to be
disabled.
• Incorrect feed sequence causes reset or interrupt if enabled.
• Flag to indicate watchdog reset.
• Programmable 24-bit timer with internal prescaler.
• Selectable time period from (Tcy(WDCLK) 256 4) to (Tcy(WDCLK) 224 4) in
multiples of Tcy(WDCLK) 4.
• The Watchdog Clock (WDCLK) uses the IRC as the clock source.
7.20 Analog peripherals
7.20.1 Analog-to-Digital Converter (ADC0/1)
7.20.1.1 Features
• 10-bit successive approximation analog to digital converter.
• Input multiplexing among 8 pins.
• Power-down mode.
• Measurement range 0 to VDDA.
• Sampling frequency up to 400 kSamples/s.
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• Burst conversion mode for single or multiple inputs.
• Optional conversion on transition on ADCTRIG0 or ADCTRIG1 pins, combined timer
outputs 8 or 15, or the PWM output MCOA2.
• Individual result registers for each A/D channel to reduce interrupt overhead.
• DMA support.
7.20.2 Digital-to-Analog Converter (DAC)
7.20.2.1 Features
• 10-bit resolution
• Monotonic by design (resistor string architecture)
• Controllable conversion speed
• Low-power consumption
7.21 Peripherals in the RTC power domain
7.21.1 RTC
The Real-Time Clock (RTC) is a set of counters for measuring time when system power is
on, and optionally when it is off. It uses little power when the CPU does not access its
registers, especially in the reduced power modes. A separate 32 kHz oscillator clocks the
RTC. The oscillator produces a 1 Hz internal time reference and is powered by its own
power supply pin, VBAT.
7.21.1.1 Features
• Measures the passage of time to maintain a calendar and clock. Provides seconds,
minutes, hours, day of month, month, year, day of week, and day of year.
• Ultra-low power design to support battery powered systems. Uses power from the
CPU power supply when it is present.
• Dedicated battery power supply pin.
• RTC power supply is isolated from the rest of the chip.
• Calibration counter allows adjustment to better than 1 sec/day with 1 sec resolution.
• Periodic interrupts can be generated from increments of any field of the time registers.
• Alarm interrupt can be generated for a specific date/time.
7.21.2 Alarm timer
The alarm timer is a 16-bit timer and counts down at 1 kHz from a preset value generating
alarms in intervals of up to 1 min. The counter triggers a status bit when it reaches 0x00
and asserts an interrupt if enabled.
The alarm timer is part of the RTC power domain and can be battery powered.
7.22 System control
7.22.1 Configuration registers (CREG)
The following settings are controlled in the configuration register block:
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• BOD trip settings
• Oscillator output
• DMA-to-peripheral muxing
• Ethernet mode
• Memory mapping
• Timer/USART inputs
• Enabling the USB controllers
In addition, the CREG block contains the part identification and part configuration
information.
7.22.2 System Control Unit (SCU)
The system control unit determines the function and electrical mode of the digital pins. By
default function 0 is selected for all pins with pull-up enabled. For pins that support a
digital and analog function, the ADC function select registers in the SCU enable the
analog function.
A separate set of analog I/Os for the ADCs and the DAC as well as most USB pins are
located on separate pads and are not controlled through the SCU.
In addition, the clock delay register for the SDRAM EMC_CLK pins and the registers that
select the pin interrupts are located in the SCU.
7.22.3 Clock Generation Unit (CGU)
The Clock Generator Unit (CGU) generates several base clocks. The base clocks can be
unrelated in frequency and phase and can have different clock sources within the CGU.
One CGU base clock is routed to the CLKOUT pins. The base clock that generates the
CPU clock is referred to as CCLK.
Multiple branch clocks are derived from each base clock. The branch clocks offer flexible
control for power-management purposes. All branch clocks are outputs of one of two
Clock Control Units (CCUs) and can be controlled independently. Branch clocks derived
from the same base clock are synchronous in frequency and phase.
7.22.4 Internal RC oscillator (IRC)
The IRC is used as the clock source for the WWDT and/or as the clock that drives the
PLLs and the CPU. The nominal IRC frequency is 12 MHz. The IRC is trimmed to 1.5 %
accuracy over the entire voltage and temperature range.
Upon power-up or any chip reset, the LPC43S50/S30/S20 use the IRC as the clock
source. The boot loader then configures the PLL1 to provide a 96 MHz clock for the core
and the PLL0USB or PLL0AUDIO as needed if an external boot source is selected.
7.22.5 PLL0USB (for USB0)
PLL0 is a dedicated PLL for the USB0 High-speed controller.
PLL0 accepts an input clock frequency from an external oscillator in the range of 14 kHz
to 25 MHz. The input frequency is multiplied up to a high frequency with a Current
Controlled Oscillator (CCO). The CCO operates in the range of 4.3 MHz to 550 MHz.
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7.22.6 PLL0AUDIO (for audio)
The audio PLL PLL0AUDIO is a general-purpose PLL with a small step size. This PLL
accepts an input clock frequency derived from an external oscillator or internal IRC. The
input frequency is multiplied up to a high frequency with a Current Controlled Oscillator
(CCO). A sigma-delta converter modulates the PLL divider ratios to obtain the desired
output frequency. The output frequency can be set as a multiple of the sampling frequency
fs to 32fs, 64fs, 128 fs, 256 fs, 384 fs, 512 fs and the sampling frequency fs can
range from 16 kHz to 192 kHz (16, 22.05, 32, 44.1, 48, 96,192) kHz. Many other
frequencies are possible as well using the integrated fractional divider.
7.22.7 System PLL1
The PLL1 accepts an input clock frequency from an external oscillator in the range of
1 MHz to 25 MHz. The input frequency is multiplied up to a high frequency with a Current
Controlled Oscillator (CCO). The multiplier can be an integer value from 1 to 32. The CCO
operates in the range of 156 MHz to 320 MHz. This range is possible through an
additional divider in the loop to keep the CCO within its frequency range while the PLL is
providing the desired output frequency. The output divider can be set to divide by 2, 4, 8,
or 16 to produce the output clock. Since the minimum output divider value is 2, it is
insured that the PLL output has a 50 % duty cycle. The PLL is turned off and bypassed
following a chip reset. After reset, software can enable the PLL. The program must
configure and activate the PLL, wait for the PLL to lock, and then connect to the PLL as a
clock source. The PLL settling time is 100 s.
7.22.8 Reset Generation Unit (RGU)
The RGU allows generation of independent reset signals for individual blocks and
peripherals on the LPC43S50/S30/S20.
7.22.9 Power control
The LPC43S50/S30/S20 feature several independent power domains to control power to
the core and the peripherals (see Figure 9). The RTC and its associated peripherals (the
alarm timer, the CREG block, the OTP controller, the back-up registers, and the event
router) are located in the RTC power-domain. The main regulator or a battery supply can
power the RTC. A power selector switch ensures that the RTC block is always powered
on.
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LPC43xx
VDDIO
to I/O pads
to cores
VSS
REGULATOR
to memories,
peripherals,
oscillators,
PLLs
VDDREG
MAIN POWER DOMAIN
to RTC
ULTRA LOW-POWER
REGULATOR
domain
VBAT
peripherals
RESET
WAKEUP0/1/2/3
RESET/WAKE-UP
to RTC I/O
pads (V
CONTROL
)
ps
BACKUP REGISTERS
REAL-TIME CLOCK
RTCX1
RTCX2
32 kHz
OSCILLATOR
ALARM
ALWAYS-ON/RTC POWER DOMAIN
DAC
VDDA
VSSA
ADC
ADC POWER DOMAIN
OTP
VPP
OTP POWER DOMAIN
USB0_VDDA3V_DRIVER
USB0_VDDA3V3
USB0
USB0 POWER DOMAIN
002aag378
Fig 9. Power domains
7.22.10 Power Management Controller (PMC)
The PMC controls the power to the cores, peripherals, and memories.
The LPC43S50/S30/S20 support the following power modes in order from highest to
lowest power consumption:
1. Active mode
2. Sleep mode
3. Power-down modes:
a. Deep-sleep mode
b. Power-down mode
c. Deep power-down mode
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Active mode and sleep mode apply to the state of the core. In a dual-core system, either
core can be in active or sleep mode independently of the other core.
If the core is in Active mode, it is fully operational and can access peripherals and
memories as configured by software. If the core is in Sleep mode, it receives no clocks,
but peripherals and memories remain running.
Either core can enter sleep mode from active mode independently of the other core and
while the other core remains in active mode or is in sleep mode.
Power-down modes apply to the entire system. In the Power-down modes, both cores and
all peripherals except for peripherals in the always-on power domain are shut down.
Memories can remain powered for retaining memory contents as defined by the individual
power-down mode.
Either core in active mode can put the part into one of the three power down modes if the
core is enabled to do so. If both cores are enabled for putting the system into power-down,
then the system enters power-down only once both cores have received a WFI or WFE
instruction.
Wake-up from sleep mode is caused by an interrupt or event in the core’s NVIC. The
interrupt is captured in the NVIC and an event is captured in the Event router. Both cores
can wake up from sleep mode independently of each other.
Wake-up from the Power-down modes, Deep-sleep, Power-down, and Deep power-down,
is caused by an event on the WAKEUP pins or an event from the RTC or alarm timer.
When waking up from Deep power-down mode, the part resets and attempts to boot.
7.23 Serial Wire Debug/JTAG
Debug and trace functions are integrated into the ARM Cortex-M4. Serial wire debug and
trace functions are supported in addition to a standard JTAG debug and parallel trace
functions. The ARM Cortex-M4 is configured to support up to eight breakpoints and four
watch points.
Remark: Serial Wire Debug is supported for the ARM Cortex-M4 only,
The ARM Cortex-M0 coprocessor supports JTAG debug. A standard ARM
Cortex-compliant debugger can debug the ARM Cortex-M4 and the ARM Cortex-M0
cores separately or both cores simultaneously.
Remark: In order to debug the ARM Cortex-M0, release the M0 reset by software in the
RGU block.
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LPC43xx
TCK
TMS
TRST
TDI
TCK
ARM Cortex-M4
TCK
TMS
TRST
TDI
ARM Cortex-M0
TMS
TRST
TDI
TDO
TDO
JTAG ID = 0x4BA0 0477
JTAG ID = 0x0BA0 1477
TDO
DBGEN
RESET
DBGEN = HIGH
RESET = HIGH
002aah448
Fig 10. Dual-core debug configuration
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8. Limiting values
Table 6.
Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134).[1]
Symbol Parameter Conditions
Min
Max
Unit
VDD(REG)(3V3) regulator supply voltage on pin VDDREG
(3.3 V)
0.5
3.6
V
VDD(IO)
input/output supply
voltage
on pin VDDIO
0.5
0.5
3.6
3.6
V
V
VDDA(3V3)
analog supply voltage
(3.3 V)
on pin VDDA
VBAT
battery supply voltage
on pin VBAT
on pin VPP
0.5
0.5
3.6
3.6
V
V
Vprog(pf)
polyfuse programming
voltage
[2]
VI
input voltage
only valid when VDD(IO) 2.2 V
5 V tolerant I/O pins
0.5
0.5
5.5
V
V
ADC/DAC pins and digital I/O
pins configured for an analog
function
VDDA(3V3)
USB0 pins USB0_DP;
USB0_DM;USB0_VBUS
0.3
0.3
0.3
5.25
3.6
V
V
V
USB0 pins USB0_ID;
USB0_RREF
USB1 pins USB1_DP and
USB1_DM
5.25
[3]
[3]
IDD
supply current
per supply pin
-
-
-
100
100
100
mA
mA
mA
ISS
ground current
I/O latch-up current
per ground pin
Ilatch
(0.5VDD(IO)) < VI < (1.5VDD(IO));
Tj < 125 C
[4]
[5]
Tstg
storage temperature
65
+150
1.5
C
Ptot(pack)
total power dissipation
(per package)
based on package heat transfer,
not device power consumption
-
W
VESD
electrostatic discharge
voltage
human body model; all pins
2000
+2000
V
[1] The following applies to the limiting values:
a) This product includes circuitry designed for the protection of its internal devices from the damaging effects of excessive static
charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying greater than the rated maximum.
b) Parameters are valid over operating temperature range unless otherwise specified. All voltages are with respect to VSS unless
otherwise noted.
[2] Including voltage on outputs in 3-state mode.
[3] The peak current is limited to 25 times the corresponding maximum current.
[4] Dependent on package type.
[5] Human body model: equivalent to discharging a 100 pF capacitor through a 1.5 k series resistor.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
9. Thermal characteristics
The average chip junction temperature, Tj (C), can be calculated using the following
equation:
Tj = Tamb + PD Rthj – a
(1)
• Tamb = ambient temperature (C),
• Rth(j-a) = the package junction-to-ambient thermal resistance (C/W)
• PD = sum of internal and I/O power dissipation
The internal power dissipation is the product of IDD and VDD. The I/O power dissipation of
the I/O pins is often small and many times can be negligible. However it can be significant
in some applications.
Table 7.
Thermal characteristics
VDD = 2.2 V to 3.6 V; Tamb = 40 C to +85 C unless otherwise specified;
Symbol
Parameter
Min
Typ
Max
Unit
Tj(max)
maximum junction
temperature
-
-
125
C
Table 8.
Symbol
Thermal resistance (LQFP packages)
Parameter
Conditions
Thermal resistance in
C/W ±15 %
LQFP144
Rth(j-a)
thermal resistance from junction JEDEC (4.5 in 4 in); still air
38
to ambient
Single-layer (4.5 in 3 in); still air
50
11
Rth(j-c)
thermal resistance from junction
to case
Table 9.
Symbol
Thermal resistance value (BGA packages)
Parameter
Conditions
Thermal resistance in C/W ±15 %
LBGA256
TFBGA180
TFBGA100
Rth(j-a)
thermal resistance from
junction to ambient
JEDEC (4.5 in 4 in); still air 29
38
46
8-layer (4.5 in 3 in); still air 24
30
11
37
11
Rth(j-c)
thermal resistance from
junction to case
14
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
10. Static characteristics
Table 10. Static characteristics
Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ[1]
Max
Unit
Supply pins
VDD(IO)
input/output supply
voltage
2.2
2.2
-
-
3.6
3.6
V
V
[2]
VDD(REG)(3V3)
VDDA(3V3)
regulator supply voltage
(3.3 V)
analog supply voltage
(3.3 V)
on pin VDDA
2.2
3.0
-
3.6
3.6
V
V
on pins
3.3
USB0_VDDA3V3_
DRIVER and
USB0_VDDA3V3
[2]
[3]
VBAT
battery supply voltage
2.2
2.7
-
-
3.6
3.6
V
V
Vprog(pf)
polyfuse programming on pin VPP (for OTP)
voltage
Iprog(pf)
polyfuse programming on pin VPP; OTP
-
-
30
mA
current
programming time
1.6 ms
IDD(REG)(3V3)
regulator supply current Active mode; M0-core in
(3.3 V) reset; code
while(1){}
executed from RAM; all
peripherals disabled;
PLL1 enabled
[4]
[4]
[4]
[4]
[4]
CCLK = 12 MHz
CCLK = 60 MHz
CCLK = 120 MHz
CCLK = 180 MHz
CCLK = 204 MHz
-
6.6
-
-
-
-
-
mA
mA
mA
mA
mA
25.3
48.4
72.0
81.5
-
-
-
IDD(REG)(3V3)
regulator supply current after WFE/WFI instruction
(3.3 V)
executed from RAM; all
peripherals disabled; M0
core in reset
[4][5]
[4]
sleep mode
-
-
-
-
5.0
30
-
-
-
-
mA
A
A
A
deep-sleep mode
power-down mode
[4]
15
[4][6]
deep power-down
mode
0.03
deep power-down
mode; VBAT floating
[4]- -
2
0
-
-
A
[7]
IBAT
battery supply current
active mode; VBAT = 3.2 V;
VDD(REG)(3V3) = 3.6 V.
-
nA
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 10. Static characteristics …continued
Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ[1]
Max
Unit
[8]
IBAT
battery supply current
VDD(REG)(3V3) = 3.3 V;
VBAT = 3.6 V
deep-sleep mode
power-down mode
-
-
2
2
-
-
A
A
[8]
[8]
deep power-down
mode
-
2
-
-
-
-
-
A
A
A
A
IDD(IO)
I/O supply current
deep sleep mode
power-down mode
deep power-down mode
on pin VDDA;
- -
- -
1
1
[9]
-
-
0.05
0.4
[11]
IDDA
Analog supply current
deep sleep mode
power-down mode
A
A
[11]
[11]
-
-
0.4
-
-
deep power-down
mode
0.007
A
RESET,RTC_ALARM, WAKEUPn pins
[10]
[10]
[10]
[10]
VIH
VIL
Vhys
Vo
HIGH-level input
voltage
0.8 (Vps
0.35)
-
5.5
V
V
V
V
LOW-level input voltage
hysteresis voltage
output voltage
0
-
0.3 (Vps
0.1)
0.05 (Vps
0.35)
-
-
-
-
Vps - 0.2
Standard I/O pins - normal drive strength
CI
input capacitance
-
-
-
2
-
pF
nA
ILL
LOW-level leakage
current
VI = 0 V; on-chip pull-up
resistor disabled
3
ILH
HIGH-level leakage
current
VI = VDD(IO); on-chip
pull-down resistor
disabled
-
3
-
nA
VI = 5 V
-
-
-
20
-
nA
nA
IOZ
OFF-state output
current
VO = 0 V to VDD(IO)
;
3
on-chip pull-up/down
resistors disabled;
absolute value
VI
input voltage
pin configured to provide
a digital function;
0
-
5.5
V
VDD(IO) 2.2 V
VDD(IO) = 0 V
0
0
-
-
-
3.6
V
V
V
VO
output voltage
output active
VDD(IO)
5.5
VIH
HIGH-level input
voltage
0.7
VDD(IO)
VIL
LOW-level input voltage
0
-
-
0.3
VDD(IO)
V
V
Vhys
hysteresis voltage
0.1
-
VDD(IO)
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 10. Static characteristics …continued
Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ[1]
Max
Unit
VOH
HIGH-level output
voltage
IOH = 6 mA
VDD(IO)
0.4
-
-
V
VOL
IOH
IOL
LOW-level output
voltage
IOL = 6 mA
-
-
0.4
V
HIGH-level output
current
VOH = VDD(IO) 0.4 V
VOL = 0.4 V
6
6
-
-
-
mA
mA
mA
mA
A
A
LOW-level output
current
-
-
[12]
[12]
IOHS
IOLS
Ipd
HIGH-level short-circuit drive HIGH; connected to
output current ground
-
86.5
LOW-level short-circuit drive LOW; connected to
output current
-
-
76.5
VDD(IO)
[14][15]
[16]
pull-down current
VI = 5 V
-
93
62
-
-
-
[14][15]
[16]
Ipu
pull-up current
VI = 0 V
-
VDD(IO) < VI 5 V
-
10
A
Rs
series resistance
on I/O pins with analog
function; analog function
enabled
200
I/O pins - high drive strength
CI
input capacitance
-
-
-
5.2
-
pF
nA
ILL
LOW-level leakage
current
VI = 0 V; on-chip pull-up
resistor disabled
3
ILH
HIGH-level leakage
current
VI = VDD(IO); on-chip
pull-down resistor
disabled
-
3
-
nA
VI = 5 V
-
-
-
20
-
nA
nA
IOZ
OFF-state output
current
VO = 0 V to VDD(IO)
;
3
on-chip pull-up/down
resistors disabled;
absolute value
VI
input voltage
pin configured to provide
a digital function;
VDD(IO) 2.2 V
VDD(IO) = 0 V
0
0
0
-
-
-
-
5.5
V
V
V
V
3.6
VO
output voltage
output active
VDD(IO)
5.5
VIH
HIGH-level input
voltage
0.7
VDD(IO)
VIL
Vhys
Ipd
LOW-level input voltage
hysteresis voltage
pull-down current
0
-
0.3
VDD(IO)
V
0.1
VDD(IO)
-
-
-
V
[14][15]
[16]
VI = VDD(IO)
-
62
A
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 10. Static characteristics …continued
Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ[1]
Max
Unit
[14][15]
[16]
Ipu
pull-up current
VI = 0 V
-
62
-
A
VDD(IO) < VI 5 V
-
10
-
A
I/O pins - high drive strength: standard drive mode
IOH
HIGH-level output
current
VOH = VDD(IO) 0.4 V
4
4
-
-
-
-
-
-
mA
mA
mA
mA
IOL
LOW-level output
current
VOL = 0.4 V
-
[12]
[12]
IOHS
IOLS
HIGH-level short-circuit drive HIGH; connected to
output current ground
32
32
LOW-level short-circuit drive LOW; connected to
output current VDD(IO)
-
I/O pins - high drive strength: medium drive mode
IOH
HIGH-level output
current
VOH = VDD(IO) 0.4 V
8
8
-
-
-
-
-
-
mA
mA
mA
mA
IOL
LOW-level output
current
VOL = 0.4 V
-
[12]
[12]
IOHS
IOLS
HIGH-level short-circuit drive HIGH; connected to
output current ground
65
63
LOW-level short-circuit drive LOW; connected to
output current VDD(IO)
-
I/O pins - high drive strength: high drive mode
IOH
HIGH-level output
current
VOH = VDD(IO) 0.4 V
14
-
-
-
-
-
mA
mA
mA
mA
IOL
LOW-level output
current
VOL = 0.4 V
14
-
-
[12]
[12]
IOHS
IOLS
HIGH-level short-circuit drive HIGH; connected to
output current ground
113
110
LOW-level short-circuit drive LOW; connected to
output current VDD(IO)
-
I/O pins - high drive strength: ultra-high drive mode
IOH
HIGH-level output
current
VOH = VDD(IO) 0.4 V
20
-
-
-
-
-
mA
mA
mA
mA
IOL
LOW-level output
current
VOL = 0.4 V
20
-
-
[12]
[12]
IOHS
IOLS
HIGH-level short-circuit drive HIGH; connected to
output current ground
165
156
LOW-level short-circuit drive LOW; connected to
-
output current
VDD(IO)
I/O pins - high-speed
CI
input capacitance
-
-
-
2
-
pF
nA
ILL
LOW-level leakage
current
VI = 0 V; on-chip pull-up
resistor disabled
3
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 10. Static characteristics …continued
Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ[1]
Max
Unit
ILH
HIGH-level leakage
current
VI = VDD(IO); on-chip
pull-down resistor
disabled
-
3
-
nA
VI = 5 V
-
-
-
20
-
nA
nA
IOZ
OFF-state output
current
VO = 0 V to VDD(IO)
;
3
on-chip pull-up/down
resistors disabled;
absolute value
VI
input voltage
pin configured to provide
a digital function;
VDD(IO) 2.2 V
VDD(IO) = 0 V
0
0
0
-
-
-
-
5.5
V
V
V
V
3.6
VO
output voltage
output active
VDD(IO)
5.5
VIH
HIGH-level input
voltage
0.7
VDD(IO)
VIL
LOW-level input voltage
0
-
0.3
V
VDD(IO)
Vhys
VOH
VOL
IOH
IOL
hysteresis voltage
0.1
VDD(IO)
-
-
V
HIGH-level output
voltage
IOH = 8 mA
VDD(IO)
0.4
-
-
V
LOW-level output
voltage
IOL = 8 mA
-
-
0.4
V
HIGH-level output
current
VOH = VDD(IO) 0.4 V
VOL = 0.4 V
8
8
-
-
-
mA
mA
mA
mA
A
A
A
LOW-level output
current
-
-
[12]
[12]
IOHS
IOLS
Ipd
HIGH-level short-circuit drive HIGH; connected to
output current ground
-
86
76
-
LOW-level short-circuit drive LOW; connected to
output current
-
-
VDD(IO)
[14][15]
[16]
pull-down current
VI = VDD(IO)
-
62
62
0
[14][15]
[16]
Ipu
pull-up current
VI = 0 V
-
-
VDD(IO) < VI 5 V
-
-
Open-drain I2C0-bus pins
VIH
HIGH-level input
voltage
0.7
VDD(IO)
-
-
V
V
V
V
VIL
LOW-level input voltage
0
0.14
0.3
VDD(IO)
Vhys
VOL
hysteresis voltage
0.1
VDD(IO)
-
-
-
LOW-level output
voltage
IOLS = 3 mA
-
0.4
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 10. Static characteristics …continued
Tamb = 40 C to +85 C, unless otherwise specified.
Symbol
Parameter
Conditions
VI = VDD(IO)
VI = 5 V
Min
Typ[1]
4.5
-
Max
-
Unit
A
[13]
ILI
input leakage current
-
-
10
A
Oscillator pins
Vi(XTAL1)
input voltage on pin
XTAL1
0.5
0.5
-
-
-
-
1.2
1.2
0.8
V
Vo(XTAL2)
Cio
output voltage on pin
XTAL2
V
[17]
input/output
capacitance
pF
USB0 pins[18]
VI
input voltage
on pins USB0_DP;
USB0_DM; USB0_VBUS
VDD(IO) 2.2 V
VDD(IO) = 0 V
0
-
5.25
3.6
V
0
-
V
Rpd
VIC
pull-down resistance
on pin USB0_VBUS
high-speed mode
48
50
800
64
200
-
80
k
mV
mV
common-mode input
voltage
500
2500
full-speed/low-speed
mode
chirp mode
50
-
600
mV
mV
Vi(dif)
differential input voltage
100
400
1100
USB1 pins (USB1_DP/USB1_DM)[18]
[18]
[19]
IOZ
OFF-state output
current
0 V < VI < 3.3 V
-
-
10
A
VBUS
VDI
bus supply voltage
-
-
-
5.25
-
V
V
differential input
(D+) (D)
0.2
sensitivity voltage
VCM
differential common
mode voltage range
includes VDI range
0.8
0.8
-
-
2.5
2.0
V
V
Vth(rs)se
single-ended receiver
switching threshold
voltage
VOL
LOW-level output
voltage for
low-/full-speed
RL of 1.5 k to 3.6 V
RL of 15 k to GND
-
-
-
0.18
3.5
V
V
VOH
HIGH-level output
voltage (driven) for
low-/full-speed
2.8
Ctrans
ZDRV
transceiver capacitance pin to GND
-
-
-
20
pF
[20]
driver output
with 33 series resistor;
steady state drive
36
44.1
impedance for driver
which is not high-speed
capable
[1] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply voltages.
[2] The recommended operating condition for the battery supply is VDD(REG)(3V3) > VBAT + 0.2 V. See Figure 18.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
[3] Pin VPP should either be not connected (when OTP does not need to be programmed) or tied to pins VDDIO and VDDREG to ensure
the same ramp-up time for both supply voltages.
[4] VDD(REG)(3V3) = 3.3 V; VDD(IO) = 3.3 V; Tamb = 25 C.
[5] PLL1 disabled; IRC running; CCLK = 12 MHz.
[6]
VBAT = 3.6 V.
[7] VDD(IO) = VDDA = 3.6 V; over entire frequency range CCLK = 12 MHz to 180 MHz.
[8] On pin VBAT; Tamb = 25 C.
[9] VDD(REG)(3V3) = 3.3 V; VDD(IO) = 3.3 V. Input leakage increases when VDD(IO) is floating or grounded. It is recommended to keep
VDD(REG)(3V3) and VDD(IO) powered in deep power-down mode.
[10] Vps corresponds to the output of the power switch (see Figure 9) which is determined by the greater of VBAT and VDD(Reg)(3V3)
.
[11] VDDA(3V3) = 3.3 V; Tamb = 25 C.
[12] Allowed as long as the current limit does not exceed the maximum current allowed by the device.
[13] To VSS
.
[14] The values specified are simulated and absolute values.
[15] The weak pull-up resistor is connected to the VDD(IO) rail and pulls up the I/O pin to the VDD(IO) level.
[16] The input cell disables the weak pull-up resistor when the applied input voltage exceeds VDD(IO)
[17] The parameter value specified is a simulated value excluding bond capacitance.
[18] For USB operation 3.0 V VDD((IO) 3.6 V. Guaranteed by design.
[19] VDD(IO) present.
.
[20] Includes external resistors of 33 1 % on D+ and D.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
10.1 Power consumption
002aah611
100
IDD(REG)(3V3)
DD(REG)(3V3)
(mA()mA)
204 MHz
180 MHz
80
60
40
20
120 MHz
60 MHz
12 MHz
0
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
V
(V)
DD(REG)(3V3)
Conditions: Tamb = 25 C; active mode entered executing code while(1){} from SRAM; M0-core in
reset; internal pull-up resistors disabled; PLL1 enabled; IRC enabled; all peripherals disabled; all
peripheral clocks disabled.
Fig 11. Typical supply current versus regulator supply voltage VDD(REG)(3V3) in active
mode
002aah612
100
IDD(REG)(3V3)
DD(REG)(3V3)
(mA()mA)
204 MHz
180 MHz
80
60
40
20
120 MHz
60 MHz
12 MHz
0
-40
-15
10
35
60
85
temperature (°C)
Conditions: VDD(REG)(3V3) = 3.3 V, Active mode entered executing code while(1){} from SRAM;
M0-core in reset; internal pull-up resistors disabled; PLL1 enabled; IRC enabled; all peripherals
disabled; all peripheral clocks disabled.
Fig 12. Typical supply current versus temperature in Active mode
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
002aah613
100
85 °CC
25 °CC
-40 °CC
IDD(REG)(3V3)
DD(REG)(3V3)
(mA()mA)
80
60
40
20
0
12
36
60
84
108
132
156
180
204
CCLK frequency (MHz)
Conditions: VDD(REG)(3V3) = 3.3 V; Active mode entered executing code while(1){} from SRAM;
M0-core in reset; internal pull-up resistors disabled; PLL1 enabled; IRC enabled; all peripherals
disabled; all peripheral clocks disabled.
Fig 13. Typical supply current versus frequency in Active mode
002aah153
10
I
DD(REG)(3V3)
(mA)
8
6
4
2
0
-40
-15
10
35
60
temperature (°C)
85
Conditions: VDD(REG)(3V3) = 3.3 V; M0-core in reset; internal pull-up resistors disabled; PLL1
enabled; IRC enabled; all peripherals disabled; all peripheral clocks disabled; core clock CCLK =
12 MHz.
Fig 14. Typical supply current versus temperature in Sleep mode
LPC43S50_S30_S20
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002aah154
300
I
DD(REG)(3V3)
(μA)
240
180
120
60
0
-40
-15
10
35
60
85
temperature (°C)
Conditions: VDD(REG)(3V3) = 3.3 V; VBAT floating; VDD(IO) = 3.3 V.
Fig 15. Typical supply current versus temperature in Deep-sleep mode
002aah155
50
I
DD(REG)(3V3)
(μA)
40
30
20
10
0
-40
-15
10
35
60
85
temperature (°C)
Conditions: VDD(REG)(3V3) = 3.3 V; VBAT floating; VDD(IO) = 3.3 V.
Fig 16. Typical supply current versus temperature in Power-down mode
LPC43S50_S30_S20
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002aah156
10
I
DD(REG)(3V3)
(μA)
8
6
4
2
0
-40
-15
10
35
60
85
temperature (°C)
Conditions: VDD(REG)(3V3) = 3.3 V; VBAT floating; VDD(IO) = 3.3 V.
Fig 17. Typical supply current versus temperature in Deep power-down mode
002aah150
80
60
40
20
0
I
BAT
(μA)
-0.4
-0.2
0
0.2
0.4
0.6
V
- V
(V)
BAT
DD(REG)(3V3)
Conditions: VDD(REG)(3V3) = 3.0 V; CCLK = 12 MHz.
Fig 18. Typical battery supply current in Active mode
LPC43S50_S30_S20
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002aah157
10
8
I
BAT
(μA)
6
V
=
3.6 V
3.0 V
2.2 V
BAT
4
2
0
-40
-15
10
35
60
85
temperature (°C)
Conditions: VDD(REG)(3V3), VDD(IO) floating.
Fig 19. Typical battery supply versus temperature in Deep power-down mode
10.2 Peripheral power consumption
The typical power consumption at T = 25 C for each individual peripheral is measured as
follows:
1. Enable all branch clocks and measure the current IDD(REG)(3V3)
.
2. Disable the branch clock to the peripheral to be measured and keep all other branch
clocks enabled.
3. Calculate the difference between measurement 1 and 2. The result is the peripheral
power consumption.
Table 11. Peripheral power consumption
Peripheral
Branch clock
IDD(REG)(3V3) in mA
Branch clock
Branch clock
frequency = 48 MHz
frequency = 96 MHz
M0 core
I2C1
CLK_M4_M0APP
CLK_APB3_I2C1
CLK_APB1_I2C0
CLK_APB3_DAC
CLK_APB3_ADC0
CLK_APB3_ADC1
CLK_APB3_CAN0
CLK_APB1_CAN1
CLK_APB1_MOTOCON
CLK_APB1_I2S
3.3
6.6
0.01
0.02
0.01
0.05
0.04
0.17
0.17
0.05
0.11
0.95
0.02
0.01
0.02
0.05
0.04
0.17
0.17
0.05
0.11
1.85
I2C0
DAC
ADC0
ADC1
CAN0
CAN1
MOTOCON
I2S
SPIFI
CLK_SPIFI,
CLK_M4_SPIFI
GPIO
CLK_M4_GPIO
0.66
1.31
LPC43S50_S30_S20
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Table 11. Peripheral power consumption
Peripheral
Branch clock
IDD(REG)(3V3) in mA
Branch clock
Branch clock
frequency = 48 MHz
frequency = 96 MHz
LCD
CLK_M4_LCD
0.85
1.05
0.3
1.72
2.09
0.38
ETHERNET
UART0
CLK_M4_ETHERNET
CLK_M4_UART0,
CLK_APB0_UART0
UART1
UART2
UART3
CLK_M4_UART1,
CLK_APB0_UART1
0.27
0.27
0.29
0.48
0.47
0.49
CLK_M4_UART2,
CLK_APB2_UART2
CLK_M4_USART3,
CLK_APB2_UART3
TIMER0
TIMER1
TIMER2
TIMER3
SDIO
CLK_M4_TIMER0
CLK_M4_TIMER1
CLK_M4_TIMER2
CLK_M4_TIMER3
0.07
0.07
0.07
0.06
0.79
0.14
0.14
0.15
0.11
1.37
CLK_M4_SDIO,
CLK_SDIO
SCTimer/PWM
SSP0
CLK_M4_SCT
0.52
0.12
1.05
0.21
CLK_M4_SSP0,
CLK_APB0_SSP0
SSP1
CLK_M4_SSP1,
0.15
0.28
CLK_APB2_SSP1
DMA
WWDT
QEI
CLK_M4_DMA
CLK_M4_WWDT
CLK_M4_QEI
1.88
0.05
0.33
1.46
3.71
0.08
0.68
3.32
USB0
CLK_M4_USB0,
CLK_USB0
USB1
CLK_M4_USB1,
CLK_USB1
2.83
5.03
RITIMER
EMC
CLK_M4_RITIMER
0.04
3.6
0.08
6.97
CLK_M4_EMC,
CLK_M4_EMC_DIV
SCU
CLK_M4_SCU
CLK_M4_CREG
CLK_PERIPH_SGPIO
CLK_SPI
0.09
0.37
0.1
0.23
0.72
0.17
0.11
CREG
SGPIO
SPI
0.07
LPC43S50_S30_S20
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10.3 BOD and band gap static characteristics
Table 12. BOD static characteristics[1]
Tamb = 25 C; simulated values for nominal processing.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
Vth
threshold voltage interrupt level 0
assertion
-
-
2.75
2.92
-
-
V
V
de-assertion
interrupt level 1
assertion
-
-
2.85
3.00
-
-
V
V
de-assertion
interrupt level 2
assertion
-
-
2.95
3.12
-
-
V
V
de-assertion
interrupt level 3
assertion
-
-
3.05
3.19
-
-
V
V
de-assertion
reset level 0
assertion
-
-
1.70
1.85
-
-
V
V
de-assertion
reset level 1
assertion
-
-
1.80
1.95
-
-
V
V
de-assertion
reset level 2
assertion
-
-
1.90
2.05
-
-
V
V
de-assertion
reset level 3
assertion
-
-
2.00
2.15
-
-
V
V
de-assertion
[1] Interrupt and reset levels are selected by writing to the BODLV1/2 bits in the control register CREGE0, see
the LPC43xx user manual.
Table 13. Band gap characteristics
VDDA(3V3) over specified ranges; Tamb = 40 C to +105 C; unless otherwise specified
Symbol
Parameter
Min
Typ
Max
Unit
[1]
Vref(bg)
band gap reference voltage
0.621
0.6425
0.664
mV
[1] Based on characterization, not tested in production.
LPC43S50_S30_S20
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10.4 Electrical pin characteristics
002aah030
15
12
9
-40 °C
25 °C
85 °C
I
OL
(mA)
6
3
0
0
0.1
0.2
0.3
0.4
0.5
0.6
V
(V)
OL
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V.
Fig 20. Normal-drive pins; typical LOW level output current IOL versus LOW level output
voltage VOL
002aah039
3.6
V
OH
(V)
3.2
2.8
2.4
2.0
T = 85 °C
25 °C
-40 °C
0
12
24
36
I
(mA)
OH
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V.
Fig 21. Normal-drive pins; typical HIGH level output voltage VOL versus HGH level output
current IOH
LPC43S50_S30_S20
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002aah040
002aah041
15
25
20
15
10
5
-40 °C
25 °C
85 °C
I
I
OL
(mA)
OL
(mA)
12
9
-40 °C
25 °C
85 °C
6
3
0
0
0
0.1
0.2
0.3
0.4
0.5
(V)
0.6
0
0.1
0.2
0.3
0.4
0.5
(V)
0.6
V
OL
V
OL
Conditions:VDD(REG)(3V3) = VDD(IO) = 3.3 V;normal-drive;
EHD = 0x0.
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V;
medium-drive; EHD = 0x1.
002aah043
002aah044
40
32
24
16
8
60
45
30
15
0
I
I
OL
(mA)
OL
(mA)
-40 °C
25 °C
85 °C
-40 °C
25 °C
85 °C
0
0
0.1
0.2
0.3
0.4
0.5
(V)
0.6
0
0.1
0.2
0.3
0.4
0.5
(V)
0.6
V
OL
V
OL
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V; high-drive;
EHD = 0x2.
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V; ultra
high-drive; EHD = 0x3.
Fig 22. High-drive pins; typical LOW level output current IOL versus LOW level output voltage VOL
LPC43S50_S30_S20
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002aah047
002aah048
3.6
3.6
V
(V)
3.2
V
OH
(V)
3.2
OH
-40 °C
25 °C
85 °C
-40 °C
25 °C
85 °C
2.8
2.4
2.0
2.8
2.4
2.0
0
8
16
24
0
16
32
48
I
(mA)
I
(mA)
OH
OH
Conditions:VDD(REG)(3V3) = VDD(IO) = 3.3 V;normal-drive;
EHD = 0x0.
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V;
medium-drive; EHD = 0x1.
002aah049
002aah050
3.6
3.6
V
(V)
3.2
V
OH
(V)
3.2
OH
-40 °C
25 °C
85 °C
-40 °C
25 °C
85 °C
2.8
2.4
2.0
2.8
2.4
2.0
0
32
64
96
0
40
80
120
I
(mA)
I
(mA)
OH
OH
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V; high-drive;
EHD = 0x2.
Conditions: VDD(REG)(3V3) = VDD(IO) = 3.3 V; ultra
high-drive; EHD = 0x3.
Fig 23. High-drive pins; typical HIGH level output voltage VOH versus HGH level output current IOH
LPC43S50_S30_S20
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002aah450
20
0
Ipu
pu
(μA)
+85 °C
+25 °C
-40 °C
-20
-40
-60
-80
0
1
2
3
4
5
V (V)
I
Conditions: VDD(IO) = 3.3 V. Simulated values.
Fig 24. Typical pull-up current Ipu versus input voltage VI
002aah449
120
Ippdd
pd
(μA)
-40 °C
+25 °C
+85 °C
90
60
30
0
0
1
2
3
4
5
V (V)
I
Conditions: VDD(IO) = 3.3 V. Simulated values.
Fig 25. Typical pull-down current Ipd versus input voltage VI
LPC43S50_S30_S20
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11. Dynamic characteristics
11.1 Wake-up times
Table 14. Dynamic characteristic: Wake-up from Deep-sleep, Power-down, and Deep
power-down modes
Tamb = 40 C to +85 C
Symbol Parameter
Conditions
Min
Typ[1]
Max Unit
[2]
twake
wake-up time from Sleep mode
3
5 Tcy(clk)
-
ns
Tcy(clk)
from Deep-sleep and
Power-down mode
12
51
-
s
from Deep power-down mode
after reset
-
-
250
250
-
-
s
s
[1] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
[2] Tcy(clk) = 1/CCLK with CCLK = CPU clock frequency.
11.2 External clock for oscillator in slave mode
Remark: The input voltage on the XTAL1/2 pins must be 1.2 V (see Table 10). For
connecting the oscillator to the XTAL pins, also see Section 13.2 and Section 13.4.
Table 15. Dynamic characteristic: external clock
Tamb = 40 C to +85 C; VDD(IO) over specified ranges.[1]
Symbol
fosc
Parameter
Conditions
Min
Max
25
Unit
MHz
ns
oscillator frequency
clock cycle time
clock HIGH time
clock LOW time
1
Tcy(clk)
tCHCX
tCLCX
40
1000
Tcy(clk) 0.4
Tcy(clk) 0.4
Tcy(clk) 0.6 ns
Tcy(clk) 0.6 ns
[1] Parameters are valid over operating temperature range unless otherwise specified.
t
CHCX
t
CLCX
T
cy(clk)
002aag698
Fig 26. External clock timing (with an amplitude of at least Vi(RMS) = 200 mV)
LPC43S50_S30_S20
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11.3 Crystal oscillator
Table 16. Dynamic characteristic: oscillator
Tamb = 40 C to +85 C; VDD(IO) over specified ranges; 2.2 V VDD(REG)(3V3) 3.6 V.[1]
Symbol
Parameter
Conditions
Min
Typ[2]
Max
Unit
Low-frequency mode (1 MHz - 20 MHz)[5]
[3][4]
[3][4]
tjit(per)
period jitter time
5 MHz crystal
10 MHz crystal
15 MHz crystal
-
-
-
13.2
6.6
-
-
-
ps
ps
ps
4.8
High-frequency mode (20 MHz - 25 MHz)[6]
tjit(per)
period jitter time
20 MHz crystal
25 MHz crystal
-
-
4.3
3.7
-
-
ps
ps
[1] Parameters are valid over operating temperature range unless otherwise specified.
[2] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
[3] Indicates RMS period jitter.
[4] PLL-induced jitter is not included.
[5] Select HF = 0 in the XTAL_OSC_CTRL register.
[6] Select HF = 1 in the XTAL_OSC_CTRL register.
11.4 IRC oscillator
Table 17. Dynamic characteristic: IRC oscillator
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V.[1]
Symbol Parameter
fosc(RC) internal RC oscillator
frequency
Conditions
Min
Typ[2]
Max
Unit
-
11.82
12.0
12.18
MHz
[1] Parameters are valid over operating temperature range unless otherwise specified.
[2] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
11.5 RTC oscillator
Table 18. Dynamic characteristic: RTC oscillator
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V or 2.2 V VBAT 3.6 V[1]; typical CRTCX1/2
20 pF; also see Section 13.3.
=
Symbol Parameter
Conditions
Min
Typ[2]
32.768
280
Max
-
Unit
kHz
nA
fi(RTC)
RTC input frequency
RTC supply current
-
-
IDD(RTC)
800
[1] Parameters are valid over operating temperature range unless otherwise specified.
[2] Typical ratings are not guaranteed. The values listed are at room temperature (25 C), nominal supply
voltages.
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11.6 GPCLKIN
Table 19. Dynamic characteristic: GPCLKIN
Tamb = 25 C; 2.4 V VDD(REG)(3V3) 3.6 V
Symbol Parameter
GP_CLKIN input frequency
Min
Typ
Max
Unit
-
-
25
MHz
11.7 I/O pins
Table 20. Dynamic characteristic: I/O pins[1]
Tamb = 40 C to +85 C; 2.7 V VDD(IO) 3.6 V.
Symbol Parameter Conditions
Min
Typ
Max Unit
Standard I/O pins - normal drive strength
[2][3]
[2][3]
[2][3]
[2][3]
[4]
tr
tf
tr
tf
tr
tf
rise time
fall time
rise time
fall time
rise time
fall time
pin configured as output; EHS = 1
pin configured as output; EHS = 1
pin configured as output; EHS = 0
pin configured as output; EHS = 0
pin configured as input
1.0
0.9
1.9
1.9
0.3
0.2
-
-
-
-
-
-
2.5 ns
2.5 ns
4.3 ns
4.0 ns
1.3 ns
1.2 ns
[4]
pin configured as input
I/O pins - high drive strength
[2][5]
[2][5]
[2][5]
[2][5]
[2][5]
[2][5]
[2][5]
[2][5]
tr
tf
tr
tf
tr
tf
tr
tf
rise time
fall time
rise time
fall time
rise time
fall time
rise time
fall time
pin configured as output; standard
drive mode (EHD = 0x0)
4.3
4.7
3.2
3.2
2.9
2.5
2.8
2.4
-
-
-
-
-
-
-
-
7.9 ns
8.7 ns
5.7 ns
5.5 ns
4.9 ns
3.9 ns
4.7 ns
3.4 ns
pin configured as output; standard
drive mode (EHD = 0x0)
pin configured as output; medium
drive mode (EHD = 0x1)
pin configured as output; medium
drive mode (EHD = 0x1)
pin configured as output; high drive
mode (EHD = 0x2)
pin configured as output; high drive
mode (EHD = 0x2)
pin configured as output; ultra-high
drive mode (EHD = 0x3)
pin configured as output; ultra-high
drive mode (EHD = 0x3)
[4]
[4]
tr
tf
rise time
fall time
pin configured as input
pin configured as input
0.3
0.2
-
-
1.3 ns
1.2 ns
I/O pins - high-speed
[2][3]
[2][3]
[2][3]
[2][3]
[4]
tr
tf
tr
tf
tr
tf
rise time
fall time
rise time
fall time
rise time
fall time
pin configured as output; EHS = 1
pin configured as output; EHS = 1
pin configured as output; EHS = 0
pin configured as output; EHS = 0
pin configured as input
350
450
1.0
1.0
0.3
0.2
-
-
-
-
-
-
670 ps
730 ps
1.9 ns
2.0 ns
1.3 ns
1.2 ns
[4]
pin configured as input
[1] Simulated data.
LPC43S50_S30_S20
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[2] Simulated using 10 cm of 50 Ω PCB trace with 5 pF receiver input. Rise and fall times measured between
80 % and 20 % of the full output signal level.
[3] The slew rate is configured in the system control block in the SFSP registers using the EHS bit. See the
LPC43xx user manual.
[4] CL = 20 pF. Rise and fall times measured between 90 % and 10 % of the full input signal level.
[5] The drive modes are configured in the system control block in the SFSP registers using the EHD bit. See
the LPC43xx user manual.
11.8 I2C-bus
Table 21. Dynamic characteristic: I2C-bus pins
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V.[1]
Symbol
Parameter
Conditions
Min
Max
100
400
1
Unit
kHz
kHz
MHz
ns
fSCL
SCL clock frequency
Standard-mode
Fast-mode
0
0
0
-
Fast-mode Plus
[3][4][5][6]
tf
fall time
of both SDA and
SCL signals
300
Standard-mode
Fast-mode
20 + 0.1 Cb
300
ns
ns
s
s
s
s
s
s
s
s
s
ns
ns
ns
Fast-mode Plus
Standard-mode
Fast-mode
-
120
tLOW
LOW period of the SCL clock
HIGH period of the SCL clock
data hold time
4.7
1.3
0.5
4.0
0.6
0.26
0
-
-
-
-
-
-
-
-
-
-
-
-
Fast-mode Plus
Standard-mode
Fast-mode
tHIGH
Fast-mode Plus
Standard-mode
Fast-mode
[2][3][7]
[8][9]
tHD;DAT
0
Fast-mode Plus
Standard-mode
Fast-mode
0
tSU;DAT
data set-up time
250
100
50
Fast-mode Plus
[1] Parameters are valid over operating temperature range unless otherwise specified. See the I2C-bus specification UM10204 for details.
[2] tHD;DAT is the data hold time that is measured from the falling edge of SCL; applies to data in transmission and the acknowledge.
[3] A device must internally provide a hold time of at least 300 ns for the SDA signal (with respect to the VIH(min) of the SCL signal) to
bridge the undefined region of the falling edge of SCL.
[4] Cb = total capacitance of one bus line in pF. If mixed with Hs-mode devices, faster fall times are allowed.
[5] The maximum tf for the SDA and SCL bus lines is specified at 300 ns. The maximum fall time for the SDA output stage tf is specified at
250 ns. This allows series protection resistors to be connected in between the SDA and the SCL pins and the SDA/SCL bus lines
without exceeding the maximum specified tf.
[6] In Fast-mode Plus, fall time is specified the same for both output stage and bus timing. If series resistors are used, designers should
allow for this when considering bus timing.
[7] The maximum tHD;DAT could be 3.45 s and 0.9 s for Standard-mode and Fast-mode but must be less than the maximum of tVD;DAT or
tVD;ACK by a transition time. This maximum must only be met if the device does not stretch the LOW period (tLOW) of the SCL signal. If
the clock stretches the SCL, the data must be valid by the set-up time before it releases the clock.
[8] tSU;DAT is the data set-up time that is measured with respect to the rising edge of SCL; applies to data in transmission and the
acknowledge.
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[9] A Fast-mode I2C-bus device can be used in a Standard-mode I2C-bus system but the requirement tSU;DAT = 250 ns must then be met.
This will automatically be the case if the device does not stretch the LOW period of the SCL signal. If such a device does stretch the
LOW period of the SCL signal, it must output the next data bit to the SDA line tr(max) + tSU;DAT = 1000 + 250 = 1250 ns (according to the
Standard-mode I2C-bus specification) before the SCL line is released. Also the acknowledge timing must meet this set-up time.
t
f
t
SU;DAT
70 %
30 %
70 %
30 %
SDA
SCL
t
t
HD;DAT
VD;DAT
t
f
t
HIGH
70 %
30 %
70 %
30 %
70 %
30 %
70 %
30 %
t
LOW
1 / f
S
SCL
002aaf425
Fig 27. I2C-bus pins clock timing
11.9 I2S-bus interface
Table 22. Dynamic characteristics: I2S-bus interface pins
Tamb = 40 C to +85 C ; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V; CL = 20 pF.
Conditions and data refer to I2S0 and I2S1 pins. Simulated values.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
common to input and output
tr
rise time
-
4
4
-
-
-
-
ns
ns
ns
tf
fall time
-
tWH
pulse width HIGH
on pins I2Sx_TX_SCK
and I2Sx_RX_SCK
36
tWL
pulse width LOW
on pins I2Sx_TX_SCK
and I2Sx_RX_SCK
36
-
-
ns
output
[1]
tv(Q)
data output valid time on pin I2Sx_TX_SDA
on pin I2Sx_TX_WS
-
-
4.4
4.3
-
-
ns
ns
input
[1]
[1]
tsu(D)
data input set-up time on pin I2Sx_RX_SDA
on pin I2Sx_RX_WS
-
0
-
ns
ns
ns
ns
0.20
3.7
3.9
th(D)
data input hold time
on pin I2Sx_RX_SDA
on pin I2Sx_RX_WS
-
-
-
-
[1] Clock to the I2S-bus interface BASE_APB1_CLK = 150 MHz; peripheral clock to the I2S-bus interface
PCLK = BASE_APB1_CLK / 12. I2S clock cycle time Tcy(clk) = 79.2 ns; corresponds to the SCK signal in the
I2S-bus specification.
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T
t
f
t
r
cy(clk)
I2Sx_TX_SCK
t
t
WL
WH
I2Sx_TX_SDA
I2Sx_TX_WS
t
v(Q)
002aag497
t
v(Q)
Fig 28. I2S-bus timing (transmit)
T
t
f
t
r
cy(clk)
I2Sx_RX_SCK
I2Sx_RX_SDA
I2Sx_RX_WS
t
t
WL
WH
t
t
t
su(D)
h(D)
002aag498
t
su(D)
h(D)
Fig 29. I2S-bus timing (receive)
11.10 USART interface
Table 23. USART dynamic characteristics
Tamb = 40 C to 85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V; CL = 20 pF. EHS = 1
for all pins. Simulated values.
Symbol
Parameter
Min
Max
Unit
USART master (in synchronous mode)
tsu(D)
th(D)
tv(Q)
data input set-up time
26.6
0
-
ns
ns
ns
data input hold time
data output valid time
-
0
8.8
USART slave (in synchronous mode)
tsu(D)
th(D)
tv(Q)
data input set-up time
1.2
0.4
5.5
-
ns
ns
ns
data input hold time
data output valid time
-
24
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T
cy(clk)
SCLK (FES = 1)
SCLK (FES = 0)
TXD
t
t
v(Q)
v(Q)
START
START
BIT0
BIT1
t
h(D)
t
su(D)
BIT1
BIT0
RXD
aaa-016717
Fig 30. USART timing
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11.11 SSP interface
Table 24. Dynamic characteristics: SSP pins in SPI mode
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V; CL = 20 pF. Sampled at 10 % and 90 % of the
signal level; EHS = 1 for all pins. Simulated values.
Symbol Parameter
SSP master
Conditions
Min
Typ
Max
Unit
[1]
Tcy(clk)
clock cycle time
full-duplex mode
when only transmitting
in SPI mode
1/(25.5 106)
1/(51 106)
-
-
-
-
-
-
s
-
s
tDS
data set-up time
data hold time
13.6
3.8
-
-
ns
ns
ns
tDH
tv(Q)
in SPI mode
-
data output valid in SPI mode
time
6.0
th(Q)
tlead
data output hold
time
in SPI mode
1.1
-
-
-
ns
ns
lead time
continuous transfer mode
Tcy(clk) + 3.2
Tcy(clk) + 6.1
SPI mode; CPOL = 0;
CPHA = 0
SPI mode; CPOL = 0;
CPHA = 1
0.5 Tcy(clk) + 3.2
Tcy(clk) + 3.2
-
-
-
-
0.5 Tcy(clk) + 6.1 ns
Tcy(clk) + 6.1 ns
SPI mode; CPOL = 1;
CPHA = 0
SPI mode; CPOL = 1;
CPHA = 1
0.5 Tcy(clk) + 3.2
0.5 Tcy(clk) + 3.2
0.5 Tcy(clk) + 6.1 ns
0.5 Tcy(clk) + 6.1 ns
synchronous serial
frame mode
microwire frame format
Tcy(clk) + 3.2
-
-
Tcy(clk) + 6.1
-
ns
ns
tlag
lag time
continuous transfer mode
0.5 Tcy(clk)
SPI mode; CPOL = 0;
CPHA = 0
SPI mode; CPOL = 0;
CPHA = 1
Tcy(clk)
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
SPI mode; CPOL = 1;
CPHA = 0
0.5 Tcy(clk)
Tcy(clk)
SPI mode; CPOL = 1;
CPHA = 1
synchronous serial
frame mode
Tcy(clk)
microwire frame format
0.5 Tcy(clk)
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Table 24. Dynamic characteristics: SSP pins in SPI mode
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V; CL = 20 pF. Sampled at 10 % and 90 % of the
signal level; EHS = 1 for all pins. Simulated values.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
td
delay time
continuous transfer mode
-
0.5 Tcy(clk)
-
ns
SPI mode; CPOL = 0;
CPHA = 0
SPI mode; CPOL = 0;
CPHA = 1
-
-
-
-
-
n/a
-
-
-
-
-
ns
ns
ns
ns
ns
SPI mode; CPOL = 1;
CPHA = 0
0.5 Tcy(clk)
n/a
SPI mode; CPOL = 1;
CPHA = 1
synchronous serial
frame mode
Tcy(clk)
n/a
microwire frame format
SSP slave
PCLK
Peripheral clock
frequency
-
-
204
MHz
[2]
Tcy(clk)
tDS
clock cycle time
data set-up time
data hold time
1/(11 106)
-
-
-
-
-
-
-
s
in SPI mode
in SPI mode
1.15
0.5
-
ns
ns
tDH
tv(Q)
data output valid in SPI mode
time
[4 (1/PCLK)] + 3 ns
th(Q)
tlead
data output hold
time
in SPI mode
5.1
-
-
-
-
ns
ns
lead time
continuous transfer mode
Tcy(clk) + 2.2
SPI mode; CPOL = 0;
CPHA = 0
SPI mode; CPOL = 0;
CPHA = 1
0.5 Tcy(clk) + 2.2
Tcy(clk) + 2.2
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
SPI mode; CPOL = 1;
CPHA = 0
SPI mode; CPOL = 1;
CPHA = 1
0.5 Tcy(clk) + 2.2
0.5 Tcy(clk) + 2.2
Tcy(clk) + 2.2
synchronous serial
frame mode
microwire frame format
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Table 24. Dynamic characteristics: SSP pins in SPI mode
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V; CL = 20 pF. Sampled at 10 % and 90 % of the
signal level; EHS = 1 for all pins. Simulated values.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
tlag
lag time
continuous transfer mode
0.5Tcy(clk) + 0.2
-
-
ns
SPI mode; CPOL = 0;
CPHA = 0
SPI mode; CPOL = 0;
CPHA = 1
Tcy(clk) + 0.2
-
-
-
-
-
-
-
-
ns
ns
ns
ns
SPI mode; CPOL = 1;
CPHA = 0
0.5 Tcy(clk) + 0.2
Tcy(clk) + 0.2
SPI mode; CPOL = 1;
CPHA = 1
synchronous serial
frame mode
Tcy(clk) + 0.2
microwire frame format
0.5 Tcy(clk)
-
-
-
ns
ns
td
delay time
continuous transfer mode
-
0.5 Tcy(clk)
SPI mode; CPOL = 0;
CPHA = 0
SPI mode; CPOL = 0;
CPHA = 1
-
-
-
-
-
n/a
-
-
-
-
-
ns
ns
ns
ns
ns
SPI mode; CPOL = 1;
CPHA = 0
0.5 Tcy(clk)
n/a
SPI mode; CPOL = 1;
CPHA = 1
synchronous serial
frame mode
Tcy(clk)
n/a
microwire frame format
[1] Tcy(clk) = (SSPCLKDIV (1 + SCR) CPSDVSR) / fmain. The clock cycle time derived from the SPI bit rate Tcy(clk) is a function of the
main clock frequency fmain, the SSP peripheral clock divider (SSPCLKDIV), the SSP SCR parameter (specified in the SSP0CR0
register), and the SSP CPSDVSR parameter (specified in the SSP clock prescale register).
[2] Tcy(clk) 12 Tcy(PCLK)
.
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11.12 SPI interface
Table 25. Dynamic characteristics: SPI
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V. Simulated values.
Symbol Parameter
Conditions
Min
5
Typ
Max
Unit
ns
Tcy(PCLK) PCLK cycle time
[1]
Tcy(clk)
Master
tDS
clock cycle time
40
-
-
ns
data set-up time
7.2
-
-
-
-
-
ns
ns
ns
ns
tDH
data hold time
0
-
-
tv(Q)
th(Q)
Slave
tDS
data output valid time
data output hold time
3.7
1.2
-
data set-up time
1.2
-
-
-
-
-
-
ns
ns
tDH
data hold time
3 x Tcy(PCLK) + 0.54
tv(Q)
data output valid time
data output hold time
-
-
3 x Tcy(PCLK) + 9.7 ns
2 x Tcy(PCLK) + 7.1 ns
th(Q)
[1] Tcy(clk) = 8/BASE_SPI_CLK. Tcy(PCLK) = 1/BASE_SPI_CLK.
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11.13 SSP/SPI timing diagrams
T
cy(clk)
SCK (CPOL = 0)
SCK (CPOL = 1)
t
d
t
lag
t
SSEL
lead
MOSI (CPHA = 0)
MISO (CPHA = 0)
t
t
h(Q)
v(Q)
DATA VALID (MSB)
DATA VALID
DATA VALID (MSB)
DATA VALID (MSB)
DATA VALID (LSB)
IDLE
t
t
DH
DS
DATA VALID (MSB)
DATA VALID
DATA VALID (LSB)
MOSI (CPHA = 1)
MISO (CPHA = 1)
t
t
h(Q)
v(Q)
DATA VALID (MSB)
DATA VALID (MSB)
IDLE
DATA VALID (LSB)
DATA VALID
t
t
DH
DS
DATA VALID (MSB)
DATA VALID (MSB)
DATA VALID (LSB)
DATA VALID
aaa-013462
Fig 31. SSP master mode timing (SPI mode)
LPC43S50_S30_S20
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T
cy(clk)
SCK (CPOL = 0)
SCK (CPOL = 1)
t
t
DH
DS
MOSI
MISO
DATA VALID
DATA VALID
t
t
h(Q)
v(Q)
CPHA = 1
DATA VALID
DATA VALID
t
t
DH
DS
MOSI
MISO
DATA VALID
DATA VALID
DATA VALID
t
t
h(Q)
CPHA = 0
v(Q)
DATA VALID
002aae830
Fig 32. SSP slave mode timing (SPI mode)
11.14 SGPIO timing
The following considerations apply to SGPIO timing:
• SGPIO input signals are synchronized by the internal clock SGPIO_CLOCK. To
guarantee that no samples are missed, all input signals should have a duration of at
least one SGPIO_CLOCK cycle plus the set-up and hold times.
• When an external clock input is used to generate output data, synchronization causes
a latency of at least one SGPIO_CLOCK cycle. The maximum output data rate is one
output every two SGPIO_CLOCK cycles.
• Synchronization also causes a latency of one SGPIO_CLOCK cycle when sampling
several inputs. This may cause inputs with very similar timings to be sampled with a
difference of one SGPIO_CLOCK cycle.
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Table 26. Dynamic characteristics: SGPIO
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V. Simulated values.
Symbol Parameter
tsu(D) data input set-up time
th(D) data input hold time
data input set-up time sampled by
SGPIO_CLOCK
sampled by
SGPIO_CLOCK
Conditions
Min
Typ
Max
Unit
ns
2
-
-
-
-
-
-
[1]
[1]
TSGPIO + 2
TSGPIO + 2
ns
tsu(D)
ns
[1]
th(D)
data input hold time
TSGPIO + 2
-
-
ns
[1]
[1]
[1]
tv(Q)
th(Q)
tv(Q)
data output valid time
data output hold time
-
-
-
-
2 x TSGPIO
ns
ns
ns
TSGPIO
-3
data output valid time sampled by
SGPIO_CLOCK
3
3
[1]
th(Q)
data output hold time sampled by
SGPIO_CLOCK
-3
-
ns
[1] SGPIO_CLOCK is the internally generated SGPIO clock. TSGPIO = 1/fSGPIO_CLOCK
.
SGPIO_CLOCK
CLKINext
t
h(D)
sync(CLKINext) = CLKINi
t
su(D)
DIN
DINi
sync(DIN)
DINi
t
v(Q)
CLKout
Dout
t
h(Q)
DQi
002aah668
Fig 33. SGPIO timing
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11.15 External memory interface
Table 27. Dynamic characteristics: Static asynchronous external memory interface
CL = 22 pF for EMC_Dn CL = 20 pF for all others; Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V;
2.7 V VDD(IO) 3.6 V; values guaranteed by design. Timing parameters are given for single memory access cycles. In a
normal read operation, the EMC changes the address while CS is asserted resulting in multiple memory accesses.
Symbol
Read cycle parameters
Parameter[1]
Conditions
Min
Typ
Max
Unit
tCSLAV
CS LOW to address valid
time
3.1
-
-
1.6
ns
ns
[2]
[2]
tCSLOEL
CS LOW to OE LOW time
0.6 + Tcy(clk)
WAITOEN
1.3 + Tcy(clk)
WAITOEN
tCSLBLSL
tOELOEH
CS LOW to BLS LOW time PB = 1
OE LOW to OE HIGH time
0.7
-
-
1.8
ns
ns
0.6 +
0.4 +
(WAITRD
WAITOEN + 1)
(WAITRD
WAITOEN + 1)
Tcy(clk)
Tcy(clk)
tam
memory access time
data input hold time
-
-
16 +
ns
(WAITRD
WAITOEN +1)
Tcy(clk)
th(D)
16
-
-
-
-
-
-
ns
ns
ns
ns
ns
tCSHBLSH CS HIGH to BLS HIGH time PB = 1
0.4
0.4
2.0
2.0
1.9
1.4
2.6
0
tCSHOEH
tOEHANV
tCSHEOR
CS HIGH to OE HIGH time
OE HIGH to address invalid PB = 1
[3]
[4]
CS HIGH to end of read
time
tCSLSOR
CS LOW to start of read
time
0
-
-
1.8
1.6
ns
ns
Write cycle parameters
tCSLAV
CS LOW to address valid
3.1
time
tCSLDV
CS LOW to data valid time
CS LOW to WE LOW time
3.1
1.5
0.7
-
-
-
-
1.5
0.2
1.8
ns
ns
ns
ns
tCSLWEL
tCSLBLSL
tWELWEH
PB = 1
CS LOW to BLS LOW time PB = 1
WE LOW to WE HIGH time PB = 1
[2]
[2]
0.6 +
0.4 +
(WAITWR
WAITWEN + 1)
Tcy(clk)
(WAITWR
WAITWEN + 1)
Tcy(clk)
tWEHDNV
WE HIGH to data invalid
time
PB = 1
PB = 1
PB = 0
0.9 + Tcy(clk)
0.4 + Tcy(clk)
0.7
-
-
2.3 + Tcy(clk)
0.3 + Tcy(clk)
1.8
ns
ns
[2]
[5]
tWEHEOW WE HIGH to end of write
time
tCSLBLSL
CS LOW to BLS LOW
-
-
ns
ns
[2]
tBLSLBLSH BLS LOW to BLS HIGH time PB = 0
0.9 +
0.1 +
(WAITWR
WAITWEN + 1)
Tcy(clk)
(WAITWR
WAITWEN + 1)
Tcy(clk)
LPC43S50_S30_S20
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Table 27. Dynamic characteristics: Static asynchronous external memory interface …continued
CL = 22 pF for EMC_Dn CL = 20 pF for all others; Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V;
2.7 V VDD(IO) 3.6 V; values guaranteed by design. Timing parameters are given for single memory access cycles. In a
normal read operation, the EMC changes the address while CS is asserted resulting in multiple memory accesses.
Symbol
Parameter[1]
Conditions
Min
Typ
Max
Unit
[2]
[5]
tBLSHEOW BLS HIGH to end of write
time
PB = 0
1.9 + Tcy(clk)
-
0.5 + Tcy(clk)
ns
[1]
tBLSHDNV BLS HIGH to data invalid
time
PB = 0
PB = 1
2.5 + Tcy(clk)
-
1.4 + Tcy(clk)
ns
[2
]
[5]
tCSHEOW
CS HIGH to end of write
time
2.0
-
-
-
0
ns
ns
ns
tBLSHDNV BLS HIGH to data invalid
time
2.5
1.4
tWEHANV
WE HIGH to address invalid PB = 1
time
0.9 + Tcy(clk)
2.4 + Tcy(clk)
[1] Parameters specified for 40 % of VDD(IO) for rising edges and 60 % of VDD(IO) for falling edges.
[2] cy(clk) = 1/CCLK (see LPC43xx User manual).
[3] End Of Read (EOR): longest of tCSHOEH, tOEHANV, tCSHBLSH
[4] Start Of Read (SOR): longest of tCSLAV, tCSLOEL, tCSLBLSL
T
.
.
[5] End Of Write (EOW): earliest of address not valid or EMC_BLSn HIGH.
EMC_An
t
CSLAV
t
CSHEOW
t
t
t
CSLAV
OEHANV
EMC_CSn
EMC_OE
t
CSLOEL
t
t
OELOEH
t
BLSHEOW
CSHOEH
t
t
CSLBLSL BLSLBLSH
EMC_BLSn
EMC_WE
t
CSLDV
am
t
t
CSHEOR
BLSHDNV
t
CSLSOR
t
h(D)
EMC_Dn
EOW
SOR
EOR
002aag699
Fig 34. External static memory read/write access (PB = 0)
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
EMC_An
t
CSLAV
t
t
t
CSLAV
OEHANV
t
CSHEOW
EMC_CSn
EMC_OE
t
CSLOEL
t
OELOEH
t
CSLBLSL
CSHOEH
t
CSLBLSL
EMC_BLSn
EMC_WE
t
CSHBLSH
t
t
CSLWEL WELWEH
t
WEHEOW
t
t
BLSHDNV
am
t
CSHEOR
t
CSLDV
t
t
h(D)
WEHDNV
t
CSLSOR
EMC_Dn
EOR
SOR
EOW
002aag700
Fig 35. External static memory read/write access (PB = 1)
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 28. Dynamic characteristics: Dynamic external memory interface
Simulated data over temperature and process range; CL = 10 pF for EMC_DYCSn, EMC_RAS, EMC_CAS, EMC_WE,
EMC_An; CL = 9 pF for EMC_Dn; CL = 5 pF for EMC_DQMOUTn, EMC_CLKn, EMC_CKEOUTn; Tamb = 40 C to 85 C;
2.2 V VDD(REG)(3V3) 3.6 V; VDD(IO) =3.3 V 10 %; RD = 1 (see LPC43xx User manual); EMC_CLKn delays CLK0_DELAY
= CLK1_DELAY = CLK2_DELAY = CLK3_DELAY = 0.
Symbol
Parameter
Min
Typ
Max
Unit
Tcy(clk)
clock cycle time
8.4
-
-
ns
Common to read and write cycles
td(DYCSV)
th(DYCS)
td(RASV)
th(RAS)
DYCS delay time
-
3.1 + 0.5 Tcy(clk)
5.1 + 0.5 Tcy(clk) ns
ns
4.9 + 0.5 Tcy(clk) ns
ns
4.6 + 0.5 Tcy(clk) ns
ns
5.9 + 0.5 Tcy(clk) ns
ns
5.0 + 0.5 Tcy(clk) ns
ns
6.3 + 0.5 Tcy(clk) ns
ns
5.1 + 0.5 Tcy(clk) ns
DYCS hold time
0.3 + 0.5 Tcy(clk) 0.9 + 0.5 Tcy(clk)
3.1 + 0.5 Tcy(clk)
0.5 + 0.5 Tcy(clk) 1.1 + 0.5 Tcy(clk)
2.9 + 0.5 Tcy(clk)
0.3 + 0.5 Tcy(clk) 0.9 + 0.5 Tcy(clk)
3.2 + 0.5 Tcy(clk)
1.3 + 0.5 Tcy(clk) 1.4 + 0.5 Tcy(clk)
3.1 + 0.5 Tcy(clk)
0.2 + 0.5 Tcy(clk) 0.8 + 0.5 Tcy(clk)
3.8 + 0.5 Tcy(clk)
0.3 + 0.5 Tcy(clk) 0.9 + 0.5 Tcy(clk)
-
row address strobe valid delay time
row address strobe hold time
column address strobe valid delay time
column address strobe hold time
WE valid delay time
-
-
td(CASV)
th(CAS)
td(WEV)
th(WE)
-
-
-
WE hold time
-
td(DQMOUTV) DQMOUT valid delay time
-
th(DQMOUT)
td(AV)
DQMOUT hold time
address valid delay time
address hold time
-
-
th(A)
-
td(CKEOUTV) CKEOUT valid delay time
th(CKEOUT) CKEOUT hold time
Read cycle parameters
tsu(D) data input set-up time
th(D) data input hold time
Write cycle parameters
td(QV) data output valid delay time
th(Q) data output hold time
-
3.1 + 0.5 Tcy(clk)
0.7 + 0.5 Tcy(clk)
0.5 Tcy(clk)
-
ns
1.5
0.5
-
-
ns
ns
2.2
0.8
-
3.8 + 0.5 Tcy(clk)
0.7 + 0.5 Tcy(clk)
6.2 + 0.5 Tcy(clk) ns
- ns
0.5 Tcy(clk)
Table 29. Dynamic characteristics: Dynamic external memory interface; EMC_CLK[3:0]
delay values
Tamb = 40 C to 85 C; VDD(IO) =3.3 V 10 %; 2.2 V VDD(REG)(3V3) 3.6 V.
Symbol Parameter
td delay time
Conditions
delay value
Min
Typ
Max
Unit
[1]
CLKn_DELAY = 0
CLKn_DELAY = 1
CLKn_DELAY = 2
CLKn_DELAY = 3
CLKn_DELAY = 4
CLKn_DELAY = 5
CLKn_DELAY = 6
CLKn_DELAY = 7
0.0
0.4
0.7
1.1
1.4
1.7
2.1
2.5
0.0
0.5
1.0
1.6
2.0
2.6
3.1
3.6
0.0
0.8
1.7
2.5
3.3
4.1
4.9
5.8
ns
ns
ns
ns
ns
ns
ns
ns
[1]
[1]
[1]
[1]
[1]
[1]
[1]
[1] Program the EMC_CLKn delay values in the EMCDELAYCLK register (see the LPC43xx User manual).
The delay values must be the same for all SDRAM clocks EMC_CLKn: CLK0_DELAY = CLK1_DELAY =
CLK2_DELAY = CLK3_DELAY.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
EMC_CLKn
delay > 0
EMC_CLKn delay t ; programmable CLKn_DELAY
d
T
cy(clk)
EMC_CLKn
delay = 0
t
- t
d
t
- t
d
d(xV)
h(x)
t
t
EMC_DYCSn,
EMC_RAS,
d(xV)
h(x)
EMC_CAS,
EMC_WE,
EMC_CKEOUTn,
EMC_A[22:0],
EMC_DQMOUTn
t
- t
d
t
- t
d
d(QV)
h(Q)
t
d(QV)
t
h(Q)
EMC_D[31:0]
write
t
t
su(D)
h(D)
EMC_D[31:0]
read; delay > 0
t
t
su(D)
h(D)
EMC_D[31:0]
read; delay = 0
002aag703
For the programmable EMC_CLK[3:0] clock delays CLKn_DELAY, see Table 29.
Remark: For SDRAM operation, set CLK0_DELAY = CLK1_DELAY = CLK2_DELAY = CLK3_DELAY in the EMCDELAYCLK
register.
Fig 36. SDRAM timing
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
11.16 USB interface
Table 30. Dynamic characteristics: USB0 and USB1 pins (full-speed)
CL = 50 pF; Rpu = 1.5 k on D+ to VDD(IO); 3.0 V VDD(IO) 3.6 V.
Symbol
Parameter
rise time
fall time
Conditions
10 % to 90 %
10 % to 90 %
tr / tf
Min
4
Typ
Max
20
Unit
ns
tr
-
-
-
tf
4
20
ns
tFRFM
differential rise and fall time
matching
90
111.11
%
VCRS
output signal crossover voltage
source SE0 interval of EOP
1.3
160
2
-
-
-
2.0
175
+5
V
tFEOPT
tFDEOP
see Figure 37
ns
ns
source jitter for differential transition see Figure 37
to SE0 transition
tJR1
receiver jitter to next transition
18.5
9
-
-
-
+18.5
ns
ns
ns
tJR2
receiver jitter for paired transitions
EOP width at receiver
10 % to 90 %
+9
-
[1]
[1]
tEOPR1
must reject as
EOP; see
Figure 37
40
tEOPR2
EOP width at receiver
must accept as
EOP; see
82
-
-
ns
Figure 37
[1] Characterized but not implemented as production test. Guaranteed by design.
Remark: If only USB0 (HS USB) is used, the pins VDDREG and VDDIO can be at
different voltages within the operating range but should have the same ramp up time. If
USB1(FS USB) is used, the pins VDDREG and VDDIO should be a minimum of 3.0 V and
be tied together.
T
PERIOD
crossover point
extended
crossover point
differential
data lines
source EOP width: t
FEOPT
differential data to
SE0/EOP skew
n × T
+ t
PERIOD
FDEOP
receiver EOP width: t
, t
EOPR1 EOPR2
002aab561
Fig 37. Differential data-to-EOP transition skew and EOP width
LPC43S50_S30_S20
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Table 31. Static characteristics: USB0 PHY pins[1]
Symbol Parameter
High-speed mode
Conditions
Min
Typ
Max
Unit
[2]
[3]
Pcons
power consumption
-
68
-
mW
IDDA(3V3) analog supply current (3.3 V) on pin USB0_VDDA3V3_DRIVER;
total supply current
during transmit
-
-
-
-
-
18
31
14
14
7
-
-
-
-
-
mA
mA
mA
mA
mA
during receive
with driver tri-stated
IDDD
Full-speed/low-speed mode
Pcons power consumption
digital supply current
[2]
-
15
-
mW
IDDA(3V3) analog supply current (3.3 V) on pin USB0_VDDA3V3_DRIVER;
total supply current
during transmit
-
-
-
-
-
3.5
5
-
-
-
-
-
mA
mA
mA
mA
mA
during receive
3
with driver tri-stated
3
IDDD
digital supply current
3
Suspend mode
IDDA(3V3) analog supply current (3.3 V)
-
-
-
-
24
24
3
-
-
-
-
A
A
mA
A
with driver tri-stated
with OTG functionality enabled
IDDD
digital supply current
30
VBUS detector outputs
Vth
threshold voltage
for VBUS valid
for session end
for A valid
4.4
0.2
0.8
2
-
-
V
-
0.8
2
V
-
V
for B valid
-
4
V
Vhys
hysteresis voltage
for session end
A valid
-
150
200
200
10
10
10
mV
mV
mV
-
B valid
-
[1] Characterized but not implemented as production test.
[2] Total average power consumption.
[3] The driver is active only 20 % of the time.
11.17 Ethernet
Remark: The timing characteristics of the ENET_MDC and ENET_MDIO signals comply
with the IEEE standard 802.3.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 32. Dynamic characteristics: Ethernet
Tamb = 40 C to 85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V. Values guaranteed by
design.
Symbol Parameter
RMII mode
Conditions
Min
Max
Unit
[1]
fclk
clk
tsu
clock frequency for ENET_RX_CLK
clock duty cycle
-
50
50
-
MHz
%
[1]
50
4
[1][2]
set-up time
for ENET_TXDn, ENET_TX_EN,
ns
ENET_RXDn, ENET_RX_ER,
ENET_RX_DV
[1][2]
th
hold time
for ENET_TXDn, ENET_TX_EN,
ENET_RXDn, ENET_RX_ER,
ENET_RX_DV
2
-
ns
MII mode
[1]
fclk
clk
tsu
clock frequency for ENET_TX_CLK
clock duty cycle
-
25
50
-
MHz
%
[1]
50
4
[1][2]
set-up time
for ENET_TXDn, ENET_TX_EN,
ns
ENET_TX_ER
[1][2]
th
hold time
for ENET_TXDn, ENET_TX_EN,
ENET_TX_ER
2
-
ns
[1]
fclk
clk
tsu
clock frequency for ENET_RX_CLK
clock duty cycle
-
25
50
-
MHz
%
[1]
50
4
[1][2]
set-up time
for ENET_RXDn, ENET_RX_ER,
ns
ENET_RX_DV
[1][2]
th
hold time
for ENET_RXDn, ENET_RX_ER,
ENET_RX_DV
2
-
ns
[1] Output drivers can drive a load 25 pF accommodating over 12 inch of PCB trace and the input
capacitance of the receiving device.
[2] Timing values are given from the point at which the clock signal waveform crosses 1.4 V to the valid input or
output level.
ENET_RX_CLK
ENET_TX_CLK
t
su
t
h
ENET_RXD[n]
ENET_RX_DV
ENET_RX_ER
ENET_TXD[n]
ENET_TX_EN
ENET_TX_ER
002aag210
Fig 38. Ethernet timing
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
11.18 SD/MMC
Table 33. Dynamic characteristics: SD/MMC
Tamb = 40 C to 85 C, 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V, CL = 20 pF.
SAMPLE_DELAY = 0x9, DRV_DELAY = 0xD in the SDDELAY register sampled at 90 % and 10 %
of the signal level, EHS = 1 for SD_CLK pin, EHS = 1 for SD_DATn and SD_CMD pins. Simulated
values.
Symbol Parameter
Conditions
Min
Max Unit
fclk
clock frequency
on pin SD_CLK; data transfer mode
on pins SD_DATn as inputs
on pins SD_CMD as inputs
on pins SD_DATn as inputs
on pins SD_CMD as inputs
on pins SD_DATn as outputs
on pins SD_CMD as outputs
on pins SD_DATn as outputs
on pins SD_CMD as outputs
52
-
MHz
ns
tsu(D)
data input set-up time
3.9
5.2
0.4
0
-
ns
th(D)
data input hold time
-
ns
ns
td(QV)
data output valid delay
time
-
15.3 ns
-
16
-
ns
ns
ns
th(Q)
data output hold time
4
4
-
T
cy(clk)
SD_CLK
t
t
h(Q)
d(QV)
SD_CMD (O)
SD_DATn (O)
t
t
su(D)
h(D)
SD_CMD (I)
SD_DATn (I)
002aag204
Fig 39. SD/MMC timing
11.19 LCD
Table 34. Dynamic characteristics: LCD
Tamb = 40 C to +85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V; CL = 20 pF.
Simulated values.
Symbol Parameter
Conditions
Min
Typ
50
-
Max Unit
fclk
clock frequency
on pin LCD_DCLK
-
-
MHz
ns
td(QV)
data output valid
delay time
17
th(Q)
data output hold time
8.5
-
ns
LPC43S50_S30_S20
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11.20 SPIFI
32-bit ARM Cortex-M4/M0 microcontroller
Table 35. Dynamic characteristics: SPIFI
Tamb = 40 C to 85 C; 2.2 V VDD(REG)(3V3) 3.6 V; 2.7 V VDD(IO) 3.6 V. CL = 20 pF. Sampled
at 90 % and 10 % of the signal level. EHS = 1 for all pins. Simulated values.
Symbol
Tcy(clk)
tDS
Parameter
Min
9.6
2.8
0
Max
Unit
ns
clock cycle time
data set-up time
data hold time
-
-
ns
tDH
-
ns
tv(Q)
data output valid time
data output hold time
-
2.6
-
ns
th(Q)
0.8
ns
T
cy(clk)
SPIFI_SCK
t
t
h(Q)
v(Q)
DATA VALID
DATA VALID
SPIFI data out
SPIFI data in
t
t
DH
DS
DATA VALID
DATA VALID
002aah409
Fig 40. SPIFI timing (Mode 0)
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
12. ADC/DAC electrical characteristics
Table 36. ADC characteristics
VDDA(3V3) over specified ranges; Tamb = 40 C to +85 C; unless otherwise specified.
Symbol Parameter
Conditions
Min
Typ
Max
Unit
V
VIA
Cia
analog input voltage
0
-
-
-
VDDA(3V3)
2
analog input
capacitance
pF
[1][2]
[3]
ED
differential linearity error 2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
-
-
-
-
-
-
-
-
-
-
-
0.8
1.0
0.8
1.5
0.15
0.15
0.3
0.35
3
-
-
-
-
-
-
-
-
-
-
LSB
LSB
LSB
LSB
LSB
LSB
%
EL(adj)
integral non-linearity
2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
[4]
EO
offset error
[5]
EG
gain error
%
[6]
ET
absolute error
LSB
LSB
4
Rvsi
Ri
voltage source interface see Figure 42
resistance
-
1/(7 fclk(ADC) k
Cia)
[7][8]
input resistance
-
-
-
-
-
-
1.2
4.5
400
M
fclk(ADC) ADC clock frequency
fs sampling frequency
MHz
10-bit resolution; 11 clock
cycles
kSamples/s
2-bit resolution; 3 clock
cycles
1.5
MSamples/s
[1] The ADC is monotonic, there are no missing codes.
[2] The differential linearity error (ED) is the difference between the actual step width and the ideal step width. See Figure 41.
[3] The integral non-linearity (EL(adj)) is the peak difference between the center of the steps of the actual and the ideal transfer curve after
appropriate adjustment of gain and offset errors. See Figure 41.
[4] The offset error (EO) is the absolute difference between the straight line which fits the actual curve and the straight line which fits the
ideal curve. See Figure 41.
[5] The gain error (EG) is the relative difference in percent between the straight line fitting the actual transfer curve after removing offset
error, and the straight line which fits the ideal transfer curve. See Figure 41.
[6] The absolute error (ET) is the maximum difference between the center of the steps of the actual transfer curve of the non-calibrated
ADC and the ideal transfer curve. See Figure 41.
[7]
Tamb = 25 C.
[8] Input resistance Ri depends on the sampling frequency fs: Ri = 2 k + 1 / (fs Cia).
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
offset
error
gain
error
E
E
O
G
1023
1022
1021
1020
1019
1018
(2)
7
code
out
(1)
6
5
4
3
2
1
0
(5)
(4)
(3)
1 LSB
(ideal)
1018 1019 1020 1021 1022 1023 1024
1
2
3
4
5
6
7
V
(LSB
)
ideal
IA
offset error
E
O
V
− V
SSA
DDA(3V3)
1 LSB =
1024
002aaf959
(1) Example of an actual transfer curve.
(2) The ideal transfer curve.
(3) Differential linearity error (ED).
(4) Integral non-linearity (EL(adj)).
(5) Center of a step of the actual transfer curve.
Fig 41. 10-bit ADC characteristics
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
R
vsi
LPC43xx
2 kΩ (analog pin)
2.2 kΩ (multiplexed pin)
ADC0_n/ADC1_n
R
s
ADC
COMPARATOR
C
= 2 pF
ia
V
EXT
V
SS
002aag704
Rs 1/((7 fclk(ADC) Cia) 2 k
Fig 42. ADC interface to pins
Table 37. DAC characteristics
VDDA(3V3) over specified ranges; Tamb = 40 C to +85 C; unless otherwise specified
Symbol Parameter
Conditions
Min
Typ
Max
Unit
LSB
LSB
LSB
[1]
[1]
ED
differential linearity error 2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
-
-
-
0.8
1.0
1.0
-
-
-
EL(adj)
integral non-linearity
code = 0 to 975
2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
2.7 V VDDA(3V3) 3.6 V
2.2 V VDDA(3V3) < 2.7 V
-
-
-
-
-
-
1
1.5
0.8
1.0
0.3
1.0
-
-
LSB
LSB
LSB
%
[1]
[1]
EO
EG
offset error
gain error
-
-
-
-
%
CL
RL
ts
load capacitance
load resistance
settling time
200
-
pF
-
k
[2]
0.4
[1] In the DAC CR register, bit BIAS = 0 (see the LPC43xx user manual).
[2] Settling time is calculated within 1/2 LSB of the final value.
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
13. Application information
13.1 LCD panel signal usage
Table 38. LCD panel connections for STN single panel mode
External pin
4-bit mono STN single panel
8-bit mono STN single panel
Color STN single panel
LPC43xx pin
used
LCD function LPC43xx pin
LCD function
LPC43xx pin
used
LCD function
used
LCD_VD[23:8]
LCD_VD7
LCD_VD6
LCD_VD5
LCD_VD4
LCD_VD3
LCD_VD2
LCD_VD1
LCD_VD0
LCD_LP
-
-
-
-
-
-
-
-
P8_4
P8_5
P8_6
P8_7
P4_2
P4_3
P4_4
P4_1
P7_6
P4_6
UD[7]
UD[6]
UD[5]
UD[4]
UD[3]
UD[2]
UD[1]
UD[0]
LCDLP
P8_4
P8_5
P8_6
P8_7
P4_2
P4_3
P4_4
P4_1
P7_6
P4_6
UD[7]
UD[6]
UD[5]
UD[4]
UD[3]
UD[2]
UD[1]
UD[0]
LCDLP
-
-
-
-
-
-
P4_2
P4_3
P4_4
P4_1
P7_6
P4_6
UD[3]
UD[2]
UD[1]
UD[0]
LCDLP
LCD_ENAB/
LCDM
LCDENAB/
LCDM
LCDENAB/
LCDM
LCDENAB/
LCDM
LCD_FP
P4_5
P4_7
P7_0
P7_7
PF_4
LCDFP
P4_5
P4_7
P7_0
P7_7
PF_4
LCDFP
P4_5
P4_7
P7_0
P7_7
PF_4
LCDFP
LCD_DCLK
LCD_LE
LCDDCLK
LCDLE
LCDDCLK
LCDLE
LCDDCLK
LCDLE
LCD_PWR
GP_CLKIN
CDPWR
LCDCLKIN
LCDPWR
LCDCLKIN
LCDPWR
LCDCLKIN
Table 39. LCD panel connections for STN dual panel mode
External pin
4-bit mono STN dual panel
8-bit mono STN dual panel
Color STN dual panel
LPC43xx pin
used
LCD function LPC43xx pin
LCD function
LPC43xx pin
used
LCD function
used
LCD_VD[23:16]
LCD_VD15
LCD_VD14
LCD_VD13
LCD_VD12
LCD_VD11
LCD_VD10
LCD_VD9
LCD_VD8
LCD_VD7
LCD_VD6
LCD_VD5
LCD_VD4
LCD_VD3
-
-
-
-
-
-
-
-
PB_4
PB_5
PB_6
P8_3
P4_9
P4_10
P4_8
P7_5
LD[7]
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LD[1]
LD[0]
UD[7]
UD[6]
UD[5]
UD[4]
UD[3]
PB_4
PB_5
PB_6
P8_3
P4_9
P4_10
P4_8
P7_5
P8_4
P8_5
P8_6
P8_7
P4_2
LD[7]
LD[6]
LD[5]
LD[4]
LD[3]
LD[2]
LD[1]
LD[0]
UD[7]
UD[6]
UD[5]
UD[4]
UD[3]
-
-
-
-
-
-
P4_9
LD[3]
P4_10
LD[2]
P4_8
LD[1]
P7_5
LD[0]
-
-
-
-
P8_5
P8_6
P8_7
P4_2
-
-
-
-
P4_2
UD[3]
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
Table 39. LCD panel connections for STN dual panel mode …continued
External pin
4-bit mono STN dual panel
8-bit mono STN dual panel
Color STN dual panel
LPC43xx pin
used
LCD function LPC43xx pin
LCD function
LPC43xx pin
used
LCD function
used
P4_3
P4_4
P4_1
P7_6
P4_6
LCD_VD2
LCD_VD1
LCD_VD0
LCD_LP
P4_3
P4_4
P4_1
P7_6
P4_6
UD[2]
UD[1]
UD[0]
LCDLP
UD[2]
UD[1]
UD[0]
LCDLP
P4_3
P4_4
P4_1
P7_6
P4_6
UD[2]
UD[1]
UD[0]
LCDLP
LCD_ENAB/
LCDM
LCDENAB/
LCDM
LCDENAB/
LCDM
LCDENAB/
LCDM
LCD_FP
P4_5
P4_7
P7_0
P7_7
PF_4
LCDFP
P4_5
P4_7
P7_0
P7_7
PF_4
LCDFP
P4_5
P4_7
P7_0
P7_7
PF_4
LCDFP
LCD_DCLK
LCD_LE
LCDDCLK
LCDLE
LCDDCLK
LCDLE
LCDDCLK
LCDLE
LCD_PWR
GP_CLKIN
LCDPWR
LCDCLKIN
LCDPWR
LCDCLKIN
LCDPWR
LCDCLKIN
Table 40. LCD panel connections for TFT panels
External
pin
TFT 12 bit (4:4:4
mode)
TFT 16 bit (5:6:5 mode)
TFT 16 bit (1:5:5:5 mode) TFT 24 bit
LPC43xx LCD
LPC43xx
pin used
LCD
function
LPC43xxpin LCD
LPC43xx
pin used
LCD
function
pin used
function
used
PB_0
PB_1
PB_2
PB_3
P7_1
P7_2
-
function
LCD_VD23 PB_0
LCD_VD22 PB_1
LCD_VD21 PB_2
LCD_VD20 PB_3
BLUE3
PB_0
PB_1
PB_2
PB_3
P7_1
-
BLUE4
BLUE3
BLUE2
BLUE1
BLUE0
-
BLUE4
BLUE3
BLUE2
BLUE1
BLUE0
intensity
-
PB_0
PB_1
PB_2
PB_3
P7_1
P7_2
P7_3
P7_4
PB_4
PB_5
PB_6
P8_3
P4_9
P4_10
P4_8
P7_5
P8_4
P8_5
P8_6
P8_7
P4_2
P4_3
P4_4
BLUE7
BLUE6
BLUE5
BLUE4
BLUE3
BLUE2
BLUE1
BLUE0
GREEN7
GREEN6
GREEN5
GREEN4
GREEN3
GREEN2
GREEN1
GREEN0
RED7
BLUE2
BLUE1
BLUE0
LCD_VD19
LCD_VD18
LCD_VD17
LCD_VD16
-
-
-
-
-
-
-
-
-
-
-
-
-
-
LCD_VD15 PB_4
LCD_VD14 PB_5
LCD_VD13 PB_6
LCD_VD12 P8_3
GREEN3
PB_4
PB_5
PB_6
P8_3
P4_9
P4_10
-
GREEN5
GREEN4
GREEN3
GREEN2
GREEN1
GREEN0
-
PB_4
PB_5
PB_6
P8_3
P4_9
P4_10
-
GREEN4
GREEN3
GREEN2
GREEN1
GREEN0
intensity
-
GREEN2
GREEN1
GREEN0
LCD_VD11
LCD_VD10
LCD_VD9
LCD_VD8
LCD_VD7
LCD_VD6
LCD_VD5
LCD_VD4
LCD_VD3
LCD_VD2
LCD_VD1
-
-
-
-
-
-
-
-
-
-
-
-
P8_4
RED3
P8_4
P8_5
P8_6
P8_7
P4_2
-
RED4
RED3
RED2
RED1
RED0
-
P8_4
P8_5
P8_6
P8_7
P4_2
P4_3
-
RED4
RED3
RED2
RED1
RED0
intensity
-
P8_5
RED2
RED6
P8_6
RED1
RED5
P8_7
RED0
RED4
-
-
-
-
-
-
RED3
RED2
-
-
RED1
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 40. LCD panel connections for TFT panels …continued
External
pin
TFT 12 bit (4:4:4
mode)
TFT 16 bit (5:6:5 mode)
TFT 16 bit (1:5:5:5 mode) TFT 24 bit
LPC43xx LCD
LPC43xx
pin used
LCD
function
LPC43xxpin LCD
LPC43xx
pin used
LCD
function
pin used
function
used
function
LCD_VD0
LCD_LP
-
-
-
-
-
-
P4_1
P7_6
RED0
P7_6
LCDLP
P7_6
LCDLP
P7_6
LCDLP
LCDLP
LCD_ENAB P4_6
/LCDM
LCDENAB/ P4_6
LCDM
LCDENAB/ P4_6
LCDM
LCDENAB/ P4_6
LCDM
LCDENAB/
LCDM
LCD_FP
LCD_DCLK P4_7
LCD_LE P7_0
P4_5
LCDFP
LCDDCLK P4_7
LCDLE P7_0
P4_5
LCDFP
P4_5
P4_7
P7_0
P7_7
LCDFP
LCDDCLK P4_7
LCDLE P7_0
P4_5
LCDFP
LCDDCLK
LCDLE
LCDDCLK
LCDLE
LCD_PWR P7_7
GP_CLKIN PF_4
LCDPWR P7_7
LCDCLKIN PF_4
LCDPWR
LCDPWR P7_7
LCDCLKIN PF_4
LCDPWR
LCDCLKIN
LCDCLKIN PF_4
13.2 Crystal oscillator
The crystal oscillator is controlled by the XTAL_OSC_CTRL register in the CGU (see
LPC43xx user manual).
The crystal oscillator operates at frequencies of 1 MHz to 25 MHz. This frequency can be
boosted to a higher frequency, up to the maximum CPU operating frequency, by the PLL.
The oscillator can operate in one of two modes: slave mode and oscillation mode.
• In slave mode, couple the input clock signal with a capacitor of 100 pF (CC in
Figure 43), with an amplitude of at least 200 mV (RMS). The XTAL2 pin in this
configuration can be left unconnected.
• External components and models used in oscillation mode are shown in Figure 44,
and in Table 41 and Table 42. Since the feedback resistance is integrated on chip,
only a crystal and the capacitances CX1 and CX2 need to be connected externally in
case of fundamental mode oscillation L, CL and RS represent the fundamental
frequency). The capacitance CP in Figure 44 represents the parallel package
capacitance and must not be larger than 7 pF. Parameters FC, CL, RS and CP are
supplied by the crystal manufacturer.
Table 41. Recommended values for CX1/X2 in oscillation mode (crystal and external
components parameters) low frequency mode
Fundamental oscillation
frequency
Maximum crystal series
resistance RS
External load capacitors
CX1, CX2
2 MHz
4 MHz
8 MHz
< 200
< 200
< 200
< 200
< 200
< 200
< 200
< 200
33 pF, 33 pF
39 pF, 39 pF
56 pF, 56 pF
18 pF, 18 pF
39 pF, 39 pF
56 pF, 56 pF
18 pF, 18 pF
39 pF, 39 pF
LPC43S50_S30_S20
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Table 41. Recommended values for CX1/X2 in oscillation mode (crystal and external
components parameters) low frequency mode …continued
Fundamental oscillation
frequency
Maximum crystal series
resistance RS
External load capacitors
CX1, CX2
12 MHz
16 MHz
20 MHz
< 160
< 160
< 120
< 80
18 pF, 18 pF
39 pF, 39 pF
18 pF, 18 pF
33 pF, 33 pF
18 pF, 18 pF
33 pF, 33 pF
<100
< 80
Table 42. Recommended values for CX1/X2 in oscillation mode (crystal and external
components parameters) high frequency mode
Fundamental oscillation
frequency
Maximum crystal series
resistance RS
External load capacitors CX1
Cx2
,
15 MHz
20 MHz
< 80
< 80
< 100
18 pF, 18 pF
39 pF, 39 pF
47 pF, 47 pF
LPC43xx
XTAL1
C
i
C
g
100 pF
002aag379
Fig 43. Slave mode operation of the on-chip oscillator
LPC43xx
L
XTAL1
XTAL2
C
C
P
=
L
XTAL
R
S
C
C
X2
X1
002aag380
Fig 44. Oscillator modes with external crystal model used for CX1/CX2 evaluation
LPC43S50_S30_S20
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137 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
13.3 RTC oscillator
In the RTC oscillator circuit, only the crystal (XTAL) and the capacitances CRTCX1 and
C
C
RTCX2 need to be connected externally. Typical capacitance values for CRTCX1 and
RTCX2 are CRTCX1/2 = 20 (typical) 4 pF.
An external clock can be connected to RTCX1 if RTCX2 is left open. The recommended
amplitude of the clock signal is Vi(RMS) = 100 mV to 200 mV with a coupling capacitance of
5 pF to 10 pF. Vi(RMS) must be lower than 450 mV. See Figure 43 for a similar slave-mode
set-up that uses the crystal oscillator.
LPC43xx
RTCX1
RTCX2
XTAL
C
C
RTCX2
RTCX1
002aah148
Fig 45. RTC 32 kHz oscillator circuit
13.4 XTAL and RTCX Printed Circuit Board (PCB) layout guidelines
Connect the crystal on the PCB as close as possible to the oscillator input and output pins
of the chip. Take care that the load capacitors Cx1, Cx2, and Cx3 in case of third overtone
crystal usage have a common ground plane. Also connect the external components to the
ground plain. To keep the noise coupled in via the PCB as small as possible, make loops
and parasitics as small as possible. Choose smaller values of Cx1 and Cx2 if parasitics
increase in the PCB layout.
Ensure that no high-speed or high-drive signals are near the RTCX1/2 signals.
13.5 Standard I/O pin configuration
Figure 46 shows the possible pin modes for standard I/O pins with analog input function:
• Digital output driver enabled/disabled
• Digital input: Pull-up enabled/disabled
• Digital input: Pull-down enabled/disabled
• Digital input: Repeater mode enabled/disabled
• Digital input: Input buffer enabled/disabled
• Analog input
The default configuration for standard I/O pins is input buffer disabled and pull-up
enabled. The weak MOS devices provide a drive capability equivalent to pull-up and
pull-down resistors.
LPC43S50_S30_S20
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Product data sheet
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138 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
VDDIO
ESD
enable output driver
data output from core
PIN
slew rate bit EHS
input buffer enable bit EZI
data input to core
glitch
filter
filter select bit ZIF
pull-up enable bit EPUN
ESD
pull-down enable bit EPD
analog I/O
VSSIO
002aah028
The glitch filter rejects pulses of typical 12 ns width.
Fig 46. Standard I/O pin configuration with analog input
13.6 Reset pin configuration
V
ps
V
ps
V
ps
R
pu
ESD
20 ns RC
GLITCH FILTER
reset
PIN
ESD
V
SS
002aag702
Fig 47. Reset pin configuration
LPC43S50_S30_S20
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Product data sheet
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139 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
13.7 Suggested USB interface solutions
The USB device can be connected to the USB as bus-powered device (see Figure 48) or
self-powered device (see Figure 49).
On the LPC43S50/S30/S20, USBn_VBUS pins are 5 V tolerant only when VDDIO is
applied and at operating voltage level. Therefore, if the USBn_VBUS function is
connected to the USB connector and the device is self-powered, the USBn_VBUS pins
must be protected for situations when VDDIO = 0 V.
If VDDIO is always at operating level while VBUS = 5 V, the USBn_VBUS pin can be
connected directly to the VBUS pin on the USB connector.
For systems where VDDIO can be 0 V and VBUS is directly applied to the USBn_VBUS
pins, precautions must be taken to reduce the voltage to below 3.6 V, which is the
maximum allowable voltage on the USBn_VBUS pins in this case.
One method is to use a voltage divider to connect the USBn_VBUS pins to VBUS on the
USB connector. The voltage divider ratio should be such that the USB_VBUS pin will be
greater than 0.7VDDIO to indicate a logic HIGH while below the 3.6 V allowable maximum
voltage.
For the following operating conditions
VBUSmax = 5.25 V
VDDIO = 3.6 V,
the voltage divider should provide a reduction of 3.6 V/5.25 V or ~0.686.
For bus-powered devices, a regulator powered by USB can provide 3.3 V to VDDIO
whenever bus power is present and ensure that power to the USBn_VBUS pins is always
present when the 5 V VBUS signal is applied. See Figure 48. If the VBUS function of the
USB1 interface is not connected, configure the pin function for GPIO using the function
control bits in the SYSCON block.
LPC43xx
VDDIO
REGULATOR
USBn_VBUS
VBUS
USB-B
connector
USB
aaa-013459
Fig 48. USB interface on a bus-powered device
LPC43S50_S30_S20
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Product data sheet
Rev. 1.2 — 16 March 2016
140 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Remark: Applying 5 V to the USBn_VBUS pins for a short time while the regulator ramps
up might compromise the long-term reliability of the part but does not affect its function.
LPC43xx
VDDIO
R2
R3
USBn_VBUS
VBUS
USB-B
connector
USB
aaa-013458
Fig 49. USB interface on a self-powered device where USBn_VBUS = 5 V
Remark: In OTG mode, it is important to be able to detect the VBUS level and to charge
and discharge VBUS. This requires adding active devices that disconnect the link when
VDDIO is not present.
VDDIO
R1
LPC43xx
T2
T1
R2
R3
USBn_VBUS
VBUS
USB-B
connector
USB
aaa-013460
Fig 50. USB interface for USB operating in OTG mode
LPC43S50_S30_S20
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Product data sheet
Rev. 1.2 — 16 March 2016
141 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
14. Package outline
LBGA256: plastic low profile ball grid array package; 256 balls; body 17 x 17 x 1 mm
SOT740-2
B
A
D
ball A1
index area
A
2
A
E
A
1
detail X
C
e
1
y
1 C
y
∅ v M
∅ w M
b
C
C
A
B
e
1/2 e
T
R
N
L
P
M
K
H
F
e
J
e
2
G
E
C
A
1/2 e
D
B
ball A1
index area
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
X
5
scale
10 mm
0
DIMENSIONS (mm are the original dimensions)
A
UNIT
A
1
A
2
b
D
E
e
e
1
e
2
v
w
y
y
1
max
0.45
0.35
1.1
0.9
0.55 17.2 17.2
0.45 16.8 16.8
mm
1.55
1
15
15
0.25
0.1
0.12 0.35
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
- - -
JEDEC
JEITA
05-06-16
05-08-04
SOT740-2
MO-192
- - -
Fig 51. Package outline LBGA256 package
LPC43S50_S30_S20
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TFBGA180: thin fine-pitch ball grid array package; 180 balls
SOT570-3
D
B
A
ball A1
index area
A
2
E
A
A
1
detail X
e
1
C
M
M
∅ v
∅ w
C
C
A
B
e
1/2 e
b
y
1
y
C
P
N
M
K
H
L
J
e
e
2
G
E
F
1/2 e
D
B
C
A
ball A1
index area
1
3
5
7
9
11
13
2
4
6
8
10
12
14
X
0
5
10 mm
scale
DIMENSIONS (mm are the original dimensions)
UNIT
A
A
1
A
2
b
D
E
e
e
1
e
2
v
w
y
y
1
max 1.20 0.40 0.80 0.50 12.1 12.1
nom 1.06 0.35 0.71 0.45 12.0 12.0
mm
0.8
10.4 10.4 0.15 0.05 0.12
0.1
min
0.95 0.30 0.65 0.40 11.9 11.9
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
JEDEC
JEITA
08-07-09
10-04-15
SOT570-3
Fig 52. Package outline of the TFBGA180 package
LPC43S50_S30_S20
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
TFBGA100: plastic thin fine-pitch ball grid array package; 100 balls; body 9 x 9 x 0.7 mm
SOT926-1
D
B
A
ball A1
index area
A
2
E
A
A
1
detail X
e
1
C
M
∅ v
∅ w
C
C
A
B
b
e
1/2 e
y
1
y
M
C
K
J
H
G
F
e
e
2
E
D
C
B
A
1/2 e
ball A1
index area
1
2
3
4
5
6
7
8
9
10
X
0
2.5
5 mm
scale
DIMENSIONS (mm are the original dimensions)
A
UNIT
A
1
A
2
b
D
E
e
e
1
e
2
v
w
y
y
1
max
0.4
0.3
0.8
0.65
0.5
0.4
9.1
8.9
9.1
8.9
mm
1.2
0.8
7.2
7.2
0.15 0.05 0.08
0.1
REFERENCES
OUTLINE
VERSION
EUROPEAN
PROJECTION
ISSUE DATE
IEC
- - -
JEDEC
JEITA
05-12-09
05-12-22
SOT926-1
- - -
- - -
Fig 53. Package outline of the TFBGA100 package
LPC43S50_S30_S20
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
LQFP144: plastic low profile quad flat package; 144 leads; body 20 x 20 x 1.4 mm
SOT486-1
y
X
A
108
109
73
72
Z
E
e
H
A
E
2
A
E
(A )
3
A
1
θ
w M
p
L
p
b
L
pin 1 index
detail X
37
144
1
36
v
M
A
Z
w M
D
b
p
e
D
B
H
v
M
B
D
0
5
10 mm
scale
DIMENSIONS (mm are the original dimensions)
A
(1)
(1)
(1)
(1)
UNIT
A
A
A
b
c
D
E
e
H
D
H
E
L
L
p
v
w
y
Z
Z
E
θ
1
2
3
p
D
max.
7o
0o
0.15 1.45
0.05 1.35
0.27 0.20 20.1 20.1
0.17 0.09 19.9 19.9
22.15 22.15
21.85 21.85
0.75
0.45
1.4
1.1
1.4
1.1
mm
1.6
0.25
1
0.2 0.08 0.08
0.5
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
REFERENCES
OUTLINE
EUROPEAN
PROJECTION
ISSUE DATE
VERSION
IEC
JEDEC
JEITA
00-03-14
03-02-20
SOT486-1
136E23
MS-026
Fig 54. Package outline for the LQFP144 package
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
15. Soldering
Footprint information for reflow soldering of LBGA256 package
SOT740-2
Hx
P
P
Hy
see detail X
Generic footprint pattern
Refer to the package outline drawing for actual layout
solder land
solder paste deposit
solder land plus solder paste
SL
SP
SR
occupied area
solder resist
detail X
DIMENSIONS in mm
P
SL
SP
SR
Hx
Hy
1.00
0.450 0.450 0.600 17.500 17.500
sot740-2_fr
Fig 55. Reflow soldering of the LBGA256 package
LPC43S50_S30_S20
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Product data sheet
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LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Footprint information for reflow soldering of TFBGA180 package
SOT570-3
Hx
P
P
Hy
see detail X
solder land (SL)
solder paste deposit (SP)
solder land plus solder paste
SL = SP
SR
solder resist opening (SR)
occupied area
detail X
Dimensions in mm
P
SL
SP
SR
Hx
Hy
0.80
0.40
0.40
0.50
12.30 12.30
Recommend stencil thickness: 0.1 mm
14-01-30
15-08-27
Issue date
sot570-3_fr
Fig 56. Reflow soldering of the TFBGA180 package
LPC43S50_S30_S20
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Product data sheet
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Footprint information for reflow soldering of LQFP144 package
SOT486-1
Hx
Gx
(0.125)
P2
P1
Hy Gy
By
Ay
C
D2 (8×)
D1
Bx
Ax
Generic footprint pattern
Refer to the package outline drawing for actual layout
solder land
occupied area
DIMENSIONS in mm
P1 P2 Ax
Ay
Bx
By
C
D1
D2
Gx
Gy
Hx
Hy
0.500 0.560 23.300 23.300 20.300 20.300 1.500 0.280 0.400 20.500 20.500 23.550 23.550
sot486-1_fr
Fig 57. Reflow soldering of the LQFP144 package
LPC43S50_S30_S20
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Product data sheet
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Footprint information for reflow soldering of TFBGA100 package
SOT926-1
Hx
P
P
Hy
see detail X
Generic footprint pattern
Refer to the package outline drawing for actual layout
solder land
solder paste deposit
solder land plus solder paste
SL
SP
SR
occupied area
solder resist
detail X
DIMENSIONS in mm
P
SL
SP
SR
Hx
Hy
0.80
0.330 0.400 0.480 9.400 9.400
sot926-1_fr
Fig 58. Reflow soldering of the TFBGA100 package
LPC43S50_S30_S20
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32-bit ARM Cortex-M4/M0 microcontroller
16. Abbreviations
Table 43. Abbreviations
Acronym
ADC
Description
Analog-to-Digital Converter
AHB
Advanced High-performance Bus
Advanced Peripheral Bus
APB
API
Application Programming Interface
BrownOut Detection
BOD
CAN
Controller Area Network
CMAC
CSMA/CD
DAC
Cipher-based Message Authentication Code
Carrier Sense Multiple Access with Collision Detection
Digital-to-Analog Converter
Direct Current-to-Direct Current
Direct Memory Access
DC-DC
DMA
GPIO
IRC
General-Purpose Input/Output
Internal RC
IrDA
Infrared Data Association
JTAG
LCD
Joint Test Action Group
Liquid Crystal Display
LSB
Least Significant Bit
MAC
MCU
MIIM
n.c.
Media Access Control
MicroController Unit
Media Independent Interface Management
not connected
OHCI
OTG
PHY
Open Host Controller Interface
On-The-Go
Physical Layer
PLL
Phase-Locked Loop
PMC
PWM
RIT
Power Mode Control
Pulse Width Modulator
Repetitive Interrupt Timer
RMII
Reduced Media Independent Interface
Synchronous Dynamic Random Access Memory
Single Instruction Multiple Data
Serial Peripheral Interface
Serial Synchronous Interface
Synchronous Serial Port
SDRAM
SIMD
SPI
SSI
SSP
UART
ULPI
USART
USB
Universal Asynchronous Receiver/Transmitter
UTMI+ Low Pin Interface
Universal Synchronous Asynchronous Receiver/Transmitter
Universal Serial Bus
UTMI
USB2.0 Transceiver Macrocell Interface
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
17. References
[1] LPC43xx User manual UM10503:
http://www.nxp.com/documents/user_manual/UM10503.pdf
[2] LPC43SX0 Errata sheet:
http://www.nxp.com/documents/errata_sheet/ES_LPC43SX0.pdf
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
18. Revision history
Table 44. Revision history
Document ID
Release date Data sheet status
20160316 Product data sheet
Change notice Supersedes
LPC43S50_S30_S20 v.1.2
Modifications:
-
LPC43S50_S30_S20 v.1.1
• Updated Table 28 “Dynamic characteristics: Dynamic external memory interface”:
Read cycle parameters th(D) min value is 2.2 ns and max value is “-”.
LPC43S50_S30_S20 v.1.1
Modifications:
20151117
• Minor edits.
• Updated Section 1 “General description”.
Product data sheet
2015110031
LPC43S50_S30_S20 v.1.0
• Added motor control PWM instead of PWM to Table 2 “Ordering options”.
• Table note 2 corrected in Table 10 “Static characteristics”.
• Added a remark to Table 30 “Dynamic characteristics: USB0 and USB1 pins
(full-speed)”.
• Changed the value in the following text to 0.686 V from ~0.686 V in Section 13.7
“Suggested USB interface solutions”:
"For the following operating conditions, VBUSmax = 5.25 V; VDDIO = 3.6 V, the
voltage divider should provide a reduction of 3.6 V/5.25 V or ~0.686 V."
• Added GPCLKIN section and table. See Section 11.6 “GPCLKIN” and Table 19
“Dynamic characteristic: GPCLKIN”.
• Updated SSP slave and SSP master values in Table 24 “Dynamic characteristics:
SSP pins in SPI mode”. Updated footnote 2 to: Tcy(clk) 12 Tcy(PCLK)
.
–
removed tv(Q), data output valid time in SPI mode, minimum value of 3 ´ (1/PCLK)
from SSP slave mode.
–
added units to td, delay time, for SSP slave and master mode.
LPC43S50_S30_S20 v.1.0
20150210
Product data sheet
-
-
LPC43S50_S30_S20
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19. Legal information
19.1 Data sheet status
Document status[1][2]
Product status[3]
Development
Definition
Objective [short] data sheet
This document contains data from the objective specification for product development.
This document contains data from the preliminary specification.
This document contains the product specification.
Preliminary [short] data sheet Qualification
Product [short] data sheet Production
[1]
[2]
[3]
Please consult the most recently issued document before initiating or completing a design.
The term ‘short data sheet’ is explained in section “Definitions”.
The product status of device(s) described in this document may have changed since this document was published and may differ in case of multiple devices. The latest product status
information is available on the Internet at URL http://www.nxp.com.
Suitability for use — NXP Semiconductors products are not designed,
19.2 Definitions
authorized or warranted to be suitable for use in life support, life-critical or
safety-critical systems or equipment, nor in applications where failure or
malfunction of an NXP Semiconductors product can reasonably be expected
to result in personal injury, death or severe property or environmental
damage. NXP Semiconductors and its suppliers accept no liability for
inclusion and/or use of NXP Semiconductors products in such equipment or
applications and therefore such inclusion and/or use is at the customer’s own
risk.
Draft — The document is a draft version only. The content is still under
internal review and subject to formal approval, which may result in
modifications or additions. NXP Semiconductors does not give any
representations or warranties as to the accuracy or completeness of
information included herein and shall have no liability for the consequences of
use of such information.
Short data sheet — A short data sheet is an extract from a full data sheet
with the same product type number(s) and title. A short data sheet is intended
for quick reference only and should not be relied upon to contain detailed and
full information. For detailed and full information see the relevant full data
sheet, which is available on request via the local NXP Semiconductors sales
office. In case of any inconsistency or conflict with the short data sheet, the
full data sheet shall prevail.
Applications — Applications that are described herein for any of these
products are for illustrative purposes only. NXP Semiconductors makes no
representation or warranty that such applications will be suitable for the
specified use without further testing or modification.
Customers are responsible for the design and operation of their applications
and products using NXP Semiconductors products, and NXP Semiconductors
accepts no liability for any assistance with applications or customer product
design. It is customer’s sole responsibility to determine whether the NXP
Semiconductors product is suitable and fit for the customer’s applications and
products planned, as well as for the planned application and use of
customer’s third party customer(s). Customers should provide appropriate
design and operating safeguards to minimize the risks associated with their
applications and products.
Product specification — The information and data provided in a Product
data sheet shall define the specification of the product as agreed between
NXP Semiconductors and its customer, unless NXP Semiconductors and
customer have explicitly agreed otherwise in writing. In no event however,
shall an agreement be valid in which the NXP Semiconductors product is
deemed to offer functions and qualities beyond those described in the
Product data sheet.
NXP Semiconductors does not accept any liability related to any default,
damage, costs or problem which is based on any weakness or default in the
customer’s applications or products, or the application or use by customer’s
third party customer(s). Customer is responsible for doing all necessary
testing for the customer’s applications and products using NXP
Semiconductors products in order to avoid a default of the applications and
the products or of the application or use by customer’s third party
customer(s). NXP does not accept any liability in this respect.
19.3 Disclaimers
Limited warranty and liability — Information in this document is believed to
be accurate and reliable. However, NXP Semiconductors does not give any
representations or warranties, expressed or implied, as to the accuracy or
completeness of such information and shall have no liability for the
consequences of use of such information. NXP Semiconductors takes no
responsibility for the content in this document if provided by an information
source outside of NXP Semiconductors.
Limiting values — Stress above one or more limiting values (as defined in
the Absolute Maximum Ratings System of IEC 60134) will cause permanent
damage to the device. Limiting values are stress ratings only and (proper)
operation of the device at these or any other conditions above those given in
the Recommended operating conditions section (if present) or the
Characteristics sections of this document is not warranted. Constant or
repeated exposure to limiting values will permanently and irreversibly affect
the quality and reliability of the device.
In no event shall NXP Semiconductors be liable for any indirect, incidental,
punitive, special or consequential damages (including - without limitation - lost
profits, lost savings, business interruption, costs related to the removal or
replacement of any products or rework charges) whether or not such
damages are based on tort (including negligence), warranty, breach of
contract or any other legal theory.
Terms and conditions of commercial sale — NXP Semiconductors
products are sold subject to the general terms and conditions of commercial
sale, as published at http://www.nxp.com/profile/terms, unless otherwise
agreed in a valid written individual agreement. In case an individual
agreement is concluded only the terms and conditions of the respective
agreement shall apply. NXP Semiconductors hereby expressly objects to
applying the customer’s general terms and conditions with regard to the
purchase of NXP Semiconductors products by customer.
Notwithstanding any damages that customer might incur for any reason
whatsoever, NXP Semiconductors’ aggregate and cumulative liability towards
customer for the products described herein shall be limited in accordance
with the Terms and conditions of commercial sale of NXP Semiconductors.
Right to make changes — NXP Semiconductors reserves the right to make
changes to information published in this document, including without
limitation specifications and product descriptions, at any time and without
notice. This document supersedes and replaces all information supplied prior
to the publication hereof.
No offer to sell or license — Nothing in this document may be interpreted or
construed as an offer to sell products that is open for acceptance or the grant,
conveyance or implication of any license under any copyrights, patents or
other industrial or intellectual property rights.
LPC43S50_S30_S20
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153 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
Export control — This document as well as the item(s) described herein
may be subject to export control regulations. Export might require a prior
authorization from competent authorities.
whenever customer uses the product for automotive applications beyond
NXP Semiconductors’ specifications such use shall be solely at customer’s
own risk, and (c) customer fully indemnifies NXP Semiconductors for any
liability, damages or failed product claims resulting from customer design and
use of the product for automotive applications beyond NXP Semiconductors’
standard warranty and NXP Semiconductors’ product specifications.
Non-automotive qualified products — Unless this data sheet expressly
states that this specific NXP Semiconductors product is automotive qualified,
the product is not suitable for automotive use. It is neither qualified nor tested
in accordance with automotive testing or application requirements. NXP
Semiconductors accepts no liability for inclusion and/or use of
19.4 Trademarks
non-automotive qualified products in automotive equipment or applications.
In the event that customer uses the product for design-in and use in
automotive applications to automotive specifications and standards, customer
(a) shall use the product without NXP Semiconductors’ warranty of the
product for such automotive applications, use and specifications, and (b)
Notice: All referenced brands, product names, service names and trademarks
are the property of their respective owners.
I2C-bus — logo is a trademark of NXP B.V.
20. Contact information
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
LPC43S50_S30_S20
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NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
21. Contents
1
General description. . . . . . . . . . . . . . . . . . . . . . 1
7.17.6.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
7.17.7
High-speed USB Host/Device interface
with ULPI (USB1). . . . . . . . . . . . . . . . . . . . . . 73
2
Features and benefits . . . . . . . . . . . . . . . . . . . . 1
Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Ordering information. . . . . . . . . . . . . . . . . . . . . 5
Ordering options. . . . . . . . . . . . . . . . . . . . . . . . 5
Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3
7.17.7.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
7.17.8 LCD controller . . . . . . . . . . . . . . . . . . . . . . . . 73
7.17.8.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
7.17.9 Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
7.17.9.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
4
4.1
5
6
6.1
6.2
Pinning information. . . . . . . . . . . . . . . . . . . . . . 7
Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 7
7.18
7.18.1
Digital serial peripherals. . . . . . . . . . . . . . . . . 75
UART1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
7.18.1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
7.18.2 USART0/2/3. . . . . . . . . . . . . . . . . . . . . . . . . . 75
7.18.2.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
7.18.3 SPI serial I/O controller . . . . . . . . . . . . . . . . . 76
7.18.3.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
7.18.4 SSP serial I/O controller. . . . . . . . . . . . . . . . . 76
7.18.4.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
7.18.5
I2C-bus interface . . . . . . . . . . . . . . . . . . . . . . 77
7.18.5.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
7.18.6
I2S interface . . . . . . . . . . . . . . . . . . . . . . . . . . 77
7.18.6.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
7.18.7 C_CAN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7.18.7.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7
7.1
7.2
7.3
7.4
7.5
7.6
7.6.1
7.6.2
7.7
7.8
7.9
7.9.1
7.10
7.11
7.12
7.13
7.14
7.15
7.15.1
7.16
7.16.1
Functional description . . . . . . . . . . . . . . . . . . 61
Architectural overview . . . . . . . . . . . . . . . . . . 61
ARM Cortex-M4 processor . . . . . . . . . . . . . . . 61
ARM Cortex-M0 coprocessor . . . . . . . . . . . . . 61
Interprocessor communication . . . . . . . . . . . . 61
AHB multilayer matrix. . . . . . . . . . . . . . . . . . . 62
Nested Vectored Interrupt Controller (NVIC) . 62
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Interrupt sources. . . . . . . . . . . . . . . . . . . . . . . 63
System Tick timer (SysTick) . . . . . . . . . . . . . . 63
Event router . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Global Input Multiplexer Array (GIMA) . . . . . . 63
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
On-chip static RAM. . . . . . . . . . . . . . . . . . . . . 64
In-System Programming (ISP) . . . . . . . . . . . . 64
Boot ROM. . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Memory mapping . . . . . . . . . . . . . . . . . . . . . . 65
One-Time Programmable (OTP) memory . . . 68
General-Purpose I/O (GPIO) . . . . . . . . . . . . . 68
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Configurable digital peripherals . . . . . . . . . . . 68
State Configurable Timer (SCTimer/PWM)
7.19
7.19.1
Counter/timers and motor control . . . . . . . . . 78
General purpose 32-bit timers/external
event counters . . . . . . . . . . . . . . . . . . . . . . . . 78
7.19.1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
7.19.2
7.19.3
Motor control PWM . . . . . . . . . . . . . . . . . . . . 79
Quadrature Encoder Interface (QEI) . . . . . . . 79
7.19.3.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
7.19.4 Repetitive Interrupt (RI) timer. . . . . . . . . . . . . 80
7.19.4.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7.19.5 Windowed WatchDog Timer (WWDT) . . . . . . 80
7.19.5.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
7.16.1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
7.16.2 Serial GPIO (SGPIO) . . . . . . . . . . . . . . . . . . . 69
7.16.2.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
7.17
7.17.1
7.17.1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
7.17.2 General-Purpose DMA (GPDMA). . . . . . . . . . 70
7.17.2.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
7.17.3 SPI Flash Interface (SPIFI). . . . . . . . . . . . . . . 71
7.17.3.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
7.20
7.20.1
Analog peripherals. . . . . . . . . . . . . . . . . . . . . 80
Analog-to-Digital Converter (ADC0/. . . . . . . 1) 80
7.20.1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
7.20.2 Digital-to-Analog Converter (DAC). . . . . . . . . 81
7.20.2.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
AHB peripherals . . . . . . . . . . . . . . . . . . . . . . . 70
AES decryption/encryption . . . . . . . . . . . . . . 70
7.21
7.21.1
Peripherals in the RTC power domain. . . . . . 81
RTC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
7.21.1.1 Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
7.21.2
7.22
7.22.1
7.22.2
7.22.3
7.22.4
Alarm timer. . . . . . . . . . . . . . . . . . . . . . . . . . . 81
System control . . . . . . . . . . . . . . . . . . . . . . . . 81
Configuration registers (CREG). . . . . . . . . . . 81
System Control Unit (SCU) . . . . . . . . . . . . . . 82
Clock Generation Unit (CGU) . . . . . . . . . . . . 82
Internal RC oscillator (IRC) . . . . . . . . . . . . . . 82
7.17.4
7.17.5
SD/MMC card interface . . . . . . . . . . . . . . . . . 72
External Memory Controller (EMC). . . . . . . . . 72
7.17.5.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
7.17.6
High-speed USB Host/Device/OTG interface
(USB0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
continued >>
LPC43S50_S30_S20
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 1.2 — 16 March 2016
155 of 156
LPC43S50/S30/S20
NXP Semiconductors
32-bit ARM Cortex-M4/M0 microcontroller
7.22.5
7.22.6
7.22.7
7.22.8
7.22.9
PLL0USB (for USB0) . . . . . . . . . . . . . . . . . . . 82
18
Revision history . . . . . . . . . . . . . . . . . . . . . . 152
PLL0AUDIO (for audio) . . . . . . . . . . . . . . . . . 83
System PLL1 . . . . . . . . . . . . . . . . . . . . . . . . . 83
Reset Generation Unit (RGU). . . . . . . . . . . . . 83
Power control . . . . . . . . . . . . . . . . . . . . . . . . . 83
19
Legal information . . . . . . . . . . . . . . . . . . . . . 153
Data sheet status . . . . . . . . . . . . . . . . . . . . . 153
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . 153
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . 154
19.1
19.2
19.3
19.4
7.22.10 Power Management Controller (PMC) . . . . . . 84
7.23
Serial Wire Debug/JTAG. . . . . . . . . . . . . . . . . 85
Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . 87
Thermal characteristics . . . . . . . . . . . . . . . . . 88
20
21
Contact information . . . . . . . . . . . . . . . . . . . 154
Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
8
9
10
Static characteristics. . . . . . . . . . . . . . . . . . . . 89
Power consumption . . . . . . . . . . . . . . . . . . . . 96
Peripheral power consumption. . . . . . . . . . . 100
BOD and band gap static characteristics . . . 102
Electrical pin characteristics . . . . . . . . . . . . . 103
10.1
10.2
10.3
10.4
11
11.1
11.2
11.3
11.4
11.5
11.6
11.7
Dynamic characteristics . . . . . . . . . . . . . . . . 107
Wake-up times . . . . . . . . . . . . . . . . . . . . . . . 107
External clock for oscillator in slave mode . . 107
Crystal oscillator . . . . . . . . . . . . . . . . . . . . . . 108
IRC oscillator . . . . . . . . . . . . . . . . . . . . . . . . 108
RTC oscillator . . . . . . . . . . . . . . . . . . . . . . . . 108
GPCLKIN . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
I/O pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
I2C-bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
I2S-bus interface. . . . . . . . . . . . . . . . . . . . . . 111
USART interface. . . . . . . . . . . . . . . . . . . . . . 112
SSP interface . . . . . . . . . . . . . . . . . . . . . . . . 114
SPI interface. . . . . . . . . . . . . . . . . . . . . . . . . 117
SSP/SPI timing diagrams . . . . . . . . . . . . . . . 118
SGPIO timing . . . . . . . . . . . . . . . . . . . . . . . . 119
External memory interface . . . . . . . . . . . . . . 121
USB interface . . . . . . . . . . . . . . . . . . . . . . . 126
Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
SD/MMC. . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
SPIFI. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
11.8
11.9
11.10
11.11
11.12
11.13
11.14
11.15
11.16
11.17
11.18
11.19
11.20
12
ADC/DAC electrical characteristics . . . . . . . 131
13
Application information. . . . . . . . . . . . . . . . . 134
LCD panel signal usage . . . . . . . . . . . . . . . . 134
Crystal oscillator . . . . . . . . . . . . . . . . . . . . . . 136
RTC oscillator . . . . . . . . . . . . . . . . . . . . . . . . 138
XTAL and RTCX Printed Circuit Board
13.1
13.2
13.3
13.4
(PCB) layout guidelines . . . . . . . . . . . . . . . . 138
Standard I/O pin configuration . . . . . . . . . . . 138
Reset pin configuration. . . . . . . . . . . . . . . . . 139
Suggested USB interface solutions . . . . . . . 140
13.5
13.6
13.7
14
15
16
17
Package outline . . . . . . . . . . . . . . . . . . . . . . . 142
Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Abbreviations. . . . . . . . . . . . . . . . . . . . . . . . . 150
References . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP Semiconductors N.V. 2016.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: salesaddresses@nxp.com
Date of release: 16 March 2016
Document identifier: LPC43S50_S30_S20
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