BCM20713 [CYPRESS]
Bluetooth 4.0 EDR compliant;型号: | BCM20713 |
厂家: | CYPRESS |
描述: | Bluetooth 4.0 EDR compliant |
文件: | 总52页 (文件大小:4236K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
PRELIMINARY
CYW20713
Single-Chip Bluetooth Transceiver and
Baseband Processor
The Cypress CYW20713 is a monolithic, single-chip, Bluetooth 4.0 compliant, stand-alone baseband processor with an integrated
2.4 GHz transceiver. Manufactured using the industry's most advanced 65 nm CMOS low-power process, the CYW20713 employs
the highest level of integration, eliminating all critical external components, and thereby minimizing the device’s footprint and costs
associated with the implementation of Bluetooth solutions.
The CYW20713 brings the latest mobile connectivity technology to automotive radio and industrial Bluetooth applications. Offering
automotive Grade 3 (–40°C to +85°C) temperature performance, the CYW20713 is tested to AECQ100 environmental stress guide-
lines and manufactured in ISO9001 and TS16949 certified facilities.
Cypress Part Numbering Scheme
Cypress is converting the acquired IoT part numbers from Broadcom to the Cypress part numbering scheme. Due to this conversion,
there is no change in form, fit, or function as a result of offering the device with Cypress part number marking. The table provides
Cypress ordering part number that matches an existing IoT part number.
Table 1. Mapping Table for Part Number between Broadcom and Cypress
Broadcom Part Number
Cypress Part Number
BCM20713
CYW20713
BCM20713A1KUBG
CYW20713A1KUBG
CYW20713A1KUFBXG
BCM20713A1KUFBXG
Acronyms and Abbreviations
In most cases, acronyms and abbreviations are defined on first use.
For a comprehensive list of acronyms and other terms used in Cypress documents, go to:
http://www.cypress.com/glossary
Features
■ Bluetooth 4.0 + EDR compliant.
■ Class 1 capable with built-in PA.
■ Automatic frequency detection for standard crystal and TCXO
values when an external 32.768 kHz reference clock is
provided.
■ Programmable output power control meets Class 1, Class 2,
or Class 3 requirements.
■ Ultra-low power consumption.
■ Supports serial flash interfaces.
■ Use supply voltages up to 5.5V.Supports Cypress
SmartAudio®, wide-band speech, SBC codec, and packet loss
concealment.
■ Available in 42-bump WLBGA and 50-ball FPBGA packages.
■ ARM7TDMI-S–based microprocessor with
■ Fractional-N synthesizer supports frequency references from
integrated ROM and RAM.
12 MHz to 52 MHz.
■ Supports patch RAM download without external memory.
Applications
■ Automotive handsfree radios
■ Automotive data communication
■ Industrial appliances
Cypress Semiconductor Corporation
Document Number: 002-14806 Rev. *C
•
198 Champion Court
•
San Jose, CA 95134-1709
•
408-943-2600
Revised Thursday, October 20, 2016
PRELIMINARY
CYW20713
Figure 1. System Block Diagram
CYW20713
PCM
UART
GPIO
High-Speed Peripheral
Radio Transceiver
Transport Unit (PTU)
Memory
SPI
I2S
Microprocessor and
Memory Unit (uPU)
Bluetooth Baseband
Core (BBC)
TCXO
LPO
IoT Resources
Cypress provides a wealth of data at http://www.cypress.com/internet-things-iot to help you to select the right IoT device for your
design, and quickly and effectively integrate the device into your design. Cypress provides customer access to a wide range of
information, including technical documentation, schematic diagrams, product bill of materials, PCB layout information, and software
updates. Customers can acquire technical documentation and software from the Cypress Support Community website
(http://community.cypress.com/).
Document Number: 002-14806 Rev. *C
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CYW20713
Contents
1. Overview ........................................................................4
1.1 Major Features ......................................................4
1.2 Block Diagram .......................................................6
1.3 Usage Model .........................................................7
2. Integrated Radio Transceiver ......................................8
2.1 Transmitter Path ....................................................8
2.2 Receiver Path ........................................................8
2.3 Local Oscillator Generation ...................................8
2.4 Calibration .............................................................8
2.5 Internal LDO Regulator .........................................9
3. Bluetooth Baseband Core .........................................10
3.1 Transmit and Receive Functions .........................10
3.2 Bluetooth 4.0 + EDR Features ............................10
3.3 Frequency Hopping Generator ............................10
3.4 Link Control Layer ...............................................11
3.5 Test Mode Support ..............................................11
3.6 Power Management Unit .....................................11
3.7 Adaptive Frequency Hopping ..............................13
3.8 Collaborative Coexistence ...................................13
3.9 Serial Enhanced Coexistence Interface ..............14
4. Microprocessor Unit ...................................................15
4.1 NVRAM Configuration Data and Storage ............15
4.2 EEPROM .............................................................15
4.3 External Reset .....................................................15
4.4 One-Time Programmable Memory ......................16
5. Peripheral Transport Unit ..........................................17
5.1 PCM Interface .....................................................17
5.2 HCI Transport Detection Configuration ...............19
5.3 UART Interface ....................................................19
5.4 SPI .......................................................................19
6. Frequency References ...............................................20
6.1 Crystal Interface and Clock Generation ..............20
6.2 Crystal Oscillator .................................................21
6.3 External Frequency Reference ............................21
6.4 Frequency Selection ............................................23
6.5 Frequency Trimming ...........................................23
6.6 LPO Clock Interface ............................................24
7. Pin Information ...........................................................25
7.1 Pin Descriptions ..................................................25
7.2 Ball Maps .............................................................27
8. Electrical Characteristics ...........................................29
8.1 Electrostatic Discharge Specifications ................31
8.2 RF Specifications ................................................34
8.3 Timing and AC Characteristics ............................37
8.4 I2S Interface ........................................................44
9. Mechanical Information .............................................47
9.1 Tape, Reel, and Packing Specification ................49
10. Ordering Information ................................................50
Document History ..........................................................51
Document Number: 002-14806 Rev. *C
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PRELIMINARY
CYW20713
1. Overview
The Cypress CYW20713 complies with the Bluetooth Core Specification, version 4.0 and is designed for use with a standard host
controller interface (HCI) UART. The combination of the Bluetooth baseband core (BBC), a Peripheral Transport Unit (PTU), and an
ARM-based microprocessor with on-chip ROM provides a complete lower layer Bluetooth protocol stack, including the link controller
(LC), link manager (LM), and HCI.
1.1 Major Features
Major features of the CYW20713 include:
■ Support for Bluetooth 4.0 + EDR, including the following options:
❐ Whitelist size of 25
❐ Enhanced Power Control
❐ HCI Read Encryption Key Size command
■ Full support for Bluetooth 2.1 + EDR additional features:
❐ Secure simple pairing (SSP)
❐ Encryption pause resume (EPR)
❐ Enhance inquiry response (EIR)
❐ Link supervision time out (LSTO)
❐ Sniff subrating (SSR)
❐ Erroneous data (ED)
❐ Packet boundary flag (PBF)
■ Built-in low drop-out (LDO) regulators (2)
❐ 1.63 to 5.5V input voltage range
❐ 1.8 to 3.3V intermediate programmable output voltage
■ Integrated RF section
❐ Single-ended, 50 ohm RF interface
❐ Built-in TX/RX switch functionality
❐ TX Class 1 output power capability
❐ -88 dBm RX sensitivity basic rate
■ Supports maximum Bluetooth data rates over HCI UART and SPI interfaces
■ Multipoint operation, with up to seven active slaves
❐ Maximum of seven simultaneous active ACL links
❐ Maximum of three simultaneous active SCO and eSCO links, with Scatternet support
■ Scatternet operation, with up to four active piconets (with background scan and support for ScatterMode)
■ High-speed HCI UART transport support
❐ H4 five-wire UART (four signal wires, one ground wire)
❐ H5 three-wire UART (two signal wires, one ground wire)
❐ Maximum UART baud rates of 4 Mbps
❐ Low-power out-of-band BT_WAKE and HOST_WAKE signaling
❐ VSC from host transport to UART
❐ Proprietary compressing scheme (allows more than two simultaneous A2DP packets and up to five devices at a time)
■ Channel quality-driven data rate (CQDDR) and packet type selection
■ Standard Bluetooth test modes
■ Extended radio and production test mode features
■ Full support for power savings modes:
❐ Bluetooth standard hold and sniff
❐ Deep sleep modes and regulator shutdown
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CYW20713
■ Supports wideband speech (WBS) over PCM and packet loss concealment (PLC) for better audio quality
■ 2-, 3-, and 4-wire coexistence
■ Power amplifier (PA) shutdown for externally controlled coexistence, such as WIMAX
■ Built-in LPO clock or operation using an external LPO clock
■ TCXO input and auto-detection of all standard handset clock frequencies (supports low-power crystal, which can be used during
Power Saving mode with better timing accuracy)
■ OR gate for combining a host clock request with a Bluetooth clock request (operates even when the Bluetooth core logic is powered
off)
■ Larger patch RAM space to support future enhancements
■ Serial flash Interface with native support for devices from several manufacturers
■ One-time programmable (OTP) memory
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CYW20713
1.2 Block Diagram
Figure 2 on page 6 shows the interconnect of the major CYW20713 physical blocks and associated external interfaces.
Figure 2. Functional Block Diagram
JTAG
ARM7TDMI-S
DMA
Scan JTAG
Address Decoder
Bus Arb
Trap &
Patch
32-bit AHB
Flash
I/F
AHB2EBI
External
Bus I/F
SPIM
AHB2MEM
AHB2MEM
PMU Control
AHB2APB
Remap
& Pause
Interrupt
Controller
WD Timer
ROM
384 KB
RAM
112 KB
USB
SW
Timers
JTAG
Master
GPIO+Aux
PCM
OTP
(128 bytes)
UART
32-bit APB
LCU
Digital
Modulator
Digital
I/O
Buffer
APU
Debug
UART
Calibration &
Control
SPI/EMPSPI
(Spiffy)
Bluetooth Radio
Blue RF I/F
RF
Digital Demod
Bit Sync
BT Clk/
Hopper
I2C_Master
FIFO 1
Low Power
Scan
Rx/Tx
Buffer
Blue RF Registers
COEX
SECI
FIFO 2
PMU
LPO
POR
PTU
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CYW20713
1.3 Usage Model
The CYW20713 is designed to provide a direct interface to industrial systems, as shown in Figure 3. The device has flexible PCM
and UART interfaces, enabling it to transparently connect to existing circuits.
The device incorporates a number of unique features to accommodate integration into industrial systems.
■ The PCM interface provides multiple modes of operation to support both master and slave, as well as hybrid interfacing to one or
more external codec devices.
■ The UART interface supports hardware flow control with tight integration to power control sideband signaling to support the lowest
power operation.
■ Few external components are required for integration.
Figure 3. Usage Model
Voice
PCM
Codec
UART
CYW20713
1.63V to 5.5V Battery
Host
BT_WAKE
HOST_WAKE
20 or 26 MHz
crystal oscillator*
LPO Clock
LPO_INPUT
* An external LPO clock is required if the main clock is not 20 MHz.
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CYW20713
2. Integrated Radio Transceiver
The CYW20713 has an integrated radio transceiver that has been optimized for use in 2.4 GHz Bluetooth wireless systems. It has
been designed to provide low-power, low-cost, robust communications for applications operating in the globally available 2.4 GHz
unlicensed ISM band. The CYW20713 is fully compliant with the Bluetooth Radio Specification and enhanced data rate specification
and meets or exceeds the requirements to provide the highest communication link quality of service.
2.1 Transmitter Path
The CYW20713 features a fully integrated zero IF transmitter. The baseband transmitted data is digitally modulated in the modem
block and up-converted to the 2.4 GHz ISM band in the transmitter path. The transmitter path consists of signal filtering, I/Q up-
conversion, a high-output power amplifier (PA), and RF filtering.
The CYW20713 also incorporates modulation schemes to support enhanced data rates.
■ /4-DQPSK for 2 Mbps
■ 8-DPSK for 3 Mbps
2.1.1 Digital Modulator
The digital modulator performs the data modulation and filtering required for the GFSK, /4-DQPSK, and
8-DPSK signals. The fully digital modulator minimizes any frequency drift or anomalies in the modulation characteristics of the
transmitted signal and is much more stable than direct VCO modulation schemes.
2.1.2 Power Amplifier
The CYW20713 has an integrated PA that can be configured for Class 2 operation, transmitting up to +4 dBm. The PA can also be
configured for Class 1 operation, transmitting up +10 dBm at the chip in gFSK mode, when a minimum supply voltage of 2.5V is applied
to VDDTF.
Because of the linear nature of the PA, combined with integrated filtering, minimal external filtering is required to meet Bluetooth and
regulatory harmonic and spurious requirements.
Using a highly linearized, temperature compensated design, the PA can transmit +10 dBm for basic rate and +8 dBm for enhanced
data rates (2 to 3 Mbps). A flexible supply voltage range allows the PA to operate from 1.2V to 3.3V. A minimum supply voltage of
2.5V is required at VDDTF to achieve +10 dBm of transmit power.
2.2 Receiver Path
The receiver path uses a low IF scheme to downconvert the received signal for demodulation in the digital demodulator and bit
synchronizer. The receiver path provides a high degree of linearity, an extended dynamic range, and high order on-chip channel
filtering to ensure reliable operation in the noisy 2.4 GHz ISM band. The front-end topology, with built-in out-of-band attenuation,
enables the device to be used in most applications without off-chip filtering. For integrated handset operation where the Bluetooth
function is integrated close to the cellular transmitter, minimal external filtering is required to eliminate the desensitization of the
receiver by the cellular transmit signal.
2.2.1 Digital Demodulator and Bit Synchronizer
The digital demodulator and bit synchronizer uses the low IF received signal to perform an optimal frequency tracking and bit synchro-
nization algorithm.
2.2.2 Receiver Signal Strength Indicator
The CYW20713 radio provides a Receiver Signal Strength Indicator (RSSI) signal to the baseband so that the controller can take part
in a Bluetooth power-controlled link by providing a metric of its own receiver signal strength to determine whether the transmitter
should increase or decrease its output power.
2.3 Local Oscillator Generation
Local Oscillator (LO) generation provides fast frequency hopping (1600 hops/second) across the 79 maximum available channels.
The LO generation subblock employs an architecture for high immunity to LO pulling during PA operation. The device uses fully-
integrated PLL loop filters.
2.4 Calibration
The radio transceiver features an automated calibration scheme that is fully self-contained in the radio. User interaction is not required
during normal operation or during manufacturing to provide the optimal performance. Calibration optimizes the performance of all
major blocks in the radio, including gain and phase characteristics of filters, matching between key components, and key gain blocks.
Calibration, which takes process and temperature variations into account, occurs transparently during the settling time of the hops,
adjusting for temperature variations as the device cools and heats during normal operation.
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PRELIMINARY
CYW20713
2.5 Internal LDO Regulator
Two internal Low Drop-Out (LDO) voltage regulators eliminate the need for external voltage regulators and therefore reduce the BOM.
The first LDO is a preregulator (HV LDO). The second LDO (Main LDO) supplies the main power to the CYW20713 (see Figure 2 on
page 6).
The HV LDO has an input voltage range of 2.3V to 5.5V. The input VBAT is ideal for batteries. The VREGHV output is programmable
from 1.8V to 3.3V, in 100 mV steps. The dropout voltage is 200 mV. The HV LDO can supply up to 95 mA, which leaves spare power
for external circuitry such as an RF power amp for higher transmit power. If the HV LDO is not used, to turn off the HV LDO and
minimize current consumption, connect the VBAT input to the VREGHV output. Firmware can then disable the HV LDO, saving the
quiescent current.
The HV LDO default output voltage is 2.9V, allowing this regulator to be used to power external NV memory devices, as well as the
VDDO rail. The firmware can then adjust this output to as low as 1.8V, if desired, to power VDDTF.
The main LDO has a 1.22V output (VREG) and is used to supply main power to the CYW20713. The input of this LDO (VREGHV)
has an input voltage range of from 1.63V to 3.63V. The output of the HV LDO is internally connected to the input to the main LDO.
Power can be applied to VREGHV when the HV LDO is not used. The main LDO supplies power to the entire device for Class 2
operation. The main LDO can drive up to 60 mA, which leaves spare power for external circuitry. The main LDO is bypassed by not
connecting anything to its output (VREG) and driving 1.12V–1.32V directly to VDDC and VDDRF.
REG_EN provides a control signal for the host to control power to the CYW20713. When power is enabled, the CYW20713 will require
complete initialization.
Figure 4. LDO Functional Block Diagram
CYW20713
HV LDO
Main LDO
VBAT
VREGHV
VREG
REG_EN
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PRELIMINARY
CYW20713
3. Bluetooth Baseband Core
The Bluetooth baseband core (BBC) implements the time critical functions required for high-performance Bluetooth operation. The
BBC manages buffering, segmentation, and data routing for all connections. It also buffers data that passes through it, handles data
flow control, schedules SCO/ACL TX/RX transactions, monitors Bluetooth slot usage, optimally segments and packages data into
baseband packets, manages connection status indicators, and composes and decodes HCI packets. In addition to these functions, it
independently handles HCI event types and HCI command types.
3.1 Transmit and Receive Functions
The following transmit and receive functions are implemented in the BBC hardware to increase the reliability and security of the TX/
RX data before sending the data over the air:
In the transmitter:
■ Data framing
■ Forward error correction (FEC) generation
■ Header error control (HEC) generation
■ Cyclic redundancy check (CRC) generation
■ Key generation
■ Data encryption
■ Data whitening
In the receiver:
■ Symbol timing recovery
■ Data deframing
■ FEC
■ HEC
■ CRC
■ Data decryption
■ Data dewhitening
3.2 Bluetooth 4.0 + EDR Features
The CYW20713 supports Bluetooth 4.0 + EDR, including the following options:
■ Whitelist size of 25
■ Enhanced Power Control
■ HCI Read Encryption Key Size command
The CYW20713 provides full support for Bluetooth 2.1 + EDR additional features:
■ Secure simple pairing (SSP)
■ Encryption pause resume (EPR)
■ Enhance inquiry response (EIR)
■ Link supervision time out (LSTO)
■ Sniff subrating (SSR)
■ Erroneous data (ED)
■ Packet boundary flag (PBF)
3.3 Frequency Hopping Generator
The frequency hopping sequence generator selects the correct hopping channel number, based on the link controller state, Bluetooth
clock, and device address.
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CYW20713
3.4 Link Control Layer
The link control layer is part of the Bluetooth link control functions implemented in dedicated logic in the link control unit (LCU). This
layer consists of the Command Controller that takes commands from the software and other controllers that are activated or configured
by the Command Controller to perform the link control tasks.
There are two major states–standby and connection. Each task establishes a different state in the Bluetooth link controller. In addition,
there are eight substates—page, page scan, inquiry, inquiry scan, park, sniff subrate, and hold.
3.5 Test Mode Support
The CYW20713 fully supports Bluetooth Test Mode, including the transmitter tests, normal and delayed Loopback tests, and the
reduced hopping sequence.
In addition to the standard Bluetooth Test mode, the device supports enhanced testing features to simplify RF debugging and quali-
fication and type approval testing.
These test features include:
■ Fixed frequency carrier wave (unmodulated) transmission
❐ Simplifies some type approval measurements (Japan)
❐ Aids in transmitter performance analysis
■ Fixed frequency constant receiver mode
❐ Directs receiver output to I/O pin
❐ Allows for direct BER measurements using standard RF test equipment
❐ Facilitates spurious emissions testing for receive mode
■ Fixed frequency constant bit stream transmission
❐ Unmodulated, 8-bit fixed pattern, PRBS-9, or PRBS-15
❐ Enables modulated signal measurements with standard RF test equipment
■ Packetized connectionless transmitter test
❐ Hopping or fixed frequency
❐ Multiple packet types supported
❐ Multiple data patterns supported
■ Packetized connectionless receiver test
❐ Fixed frequency
❐ Multiple packet types supported
❐ Multiple data patterns supported
3.6 Power Management Unit
The Power Management Unit (PMU) provides power management features that can be invoked through power management registers
or packet handling in the baseband core. This section contains descriptions of the PMU features.
3.6.1 RF Power Management
The BBC generates power-down control signals for the transmit path, receive path, PLL, and power amplifier to the 2.4 GHz trans-
ceiver. The transceiver then processes the power-down functions, accordingly.
3.6.2 Host Controller Power Management
The host can place the device in a sleep state, in which all nonessential blocks are powered off and all nonessential clocks are
disabled. Power to the digital core is maintained so that the state of the registers and RAM is not lost. In addition, the LPO clock is
applied to the internal sleep controller so that the chip can wake automatically at a specified time or based on signaling from the host.
The goal is to limit the current consumption to a minimum, while maintaining the ability to wake up and resume a connection with
minimal latency.
If a scan or sniff session is enabled while the device is in Sleep mode, the device automatically will wake up for the scan/sniff event,
then go back to sleep when the event is done. In this case, the device uses its internal LPO-based timers to trigger the periodic wake
up. While in Sleep mode, the transports are idle. However, the host can signal the device to wake up at any time. If signaled to wake
up while a scan or sniff session is in progress, the session continues but the device will not sleep between scan/sniff events. Once
Sleep mode is enabled, the wake signaling mechanism can also be thought of as a sleep signaling mechanism, since removing the
wake status will often cause the device to sleep.
In addition to a Bluetooth device wake signaling mechanism, there is a host wake signaling mechanism. This feature provides a way
for the Bluetooth device to wake up a host that is in a reduced power state.
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CYW20713
There are two mechanisms for the device and the host to signal wake status to each other:
Bluetooth WAKE (BT_WAKE) and
Host WAKE (and HOST_WAKE)
signaling
The BT_WAKE pin (GPIO_0) allows the host to wake the BT device, and
HOST_WAKE (GPIO_1) is an output that allows the BT device to wake the host.
In-band UART signaling
The CTS and RTS signals of the UART interface are used for BT wake (CTS) and
Host wake (RTS) functions in addition to their normal function on the UART
interface. Note that this applies for both H4 and H5 protocols.
When running in SPI mode, the CYW20713 has a mode where it enters Sleep mode when there is no activity on the SPI interface for
a specified (programmable) amount of time. Idle mode is detected when the SPI_CSN is left deasserted. Whether to sleep on an idle
interface and the amount of time to wait before entering Sleep mode can be programed by the host. Once the CYW20713 enters
sleep, the host can wake it by asserting SPI_CSN. If the host decides to sleep, the CYW20713 will wake up the host by asserting
SPI_INT when it has data for it.
Note: Successful operation of the power management handshaking signals requires coordinated support between the device firmware
and the host software
Table 2. Power Control Pin Summary
Pin
Direction
Description
BT_WAKE
(GPIO_0)
Host output
BT input
Bluetooth device wake-up: Signal from the host to the Bluetooth device that the host requires
attention.
■Asserted = Bluetooth device must wake up or remain awake.
■Deasserted = Bluetooth device may sleep when sleep criteria are met.
The polarity of this signal is software configurable and can be asserted high or low. By default,
BT_WAKE is active-low (if BT-WAKE is low it requires the device to wake up or remain awake).
HOST_WAKE
(GPIO_1)
BT output
Host input
Host wake-up. Signal from the Bluetooth device to the host indicating that Bluetooth device
requires attention.
■Asserted = Host device must wake up or remain awake.
■Deasserted = Host device may sleep when sleep criteria are met.
The polarity of this signal is software configurable and can be asserted high or low.
CLK_REQ
(GPIO_5)
BT output
BT input
Clock request
■Asserted = External clock reference required
■Deasserted = External clock reference may be powered down
The polarity of CLK_REQ is software configurable and can be set to active high (TM0 = 1) or
active low (TM0 = 0).
REG_EN
Enables the internal preregulator and main regulator outputs. REG_EN is active-high.
■1 = Enabled
■0 = Disabled
3.6.3 Bluetooth Baseband Core Power Management
The device provides the following low-power operations for the Bluetooth Baseband Core (BBC):
■ Physical layer packet handling turns RF on and off dynamically within packet TX and RX.
■ Bluetooth specified low-power connection modes—Sniff, Hold, and Park. While in these low-power connection modes, the device
runs on the Low Power Oscillator and wakes up after a predefined time period.
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CYW20713
Backdrive Protection
The CYW20713 provides a backdrive protection feature that allows the device to be turned off while the host and other devices in the
system remain operational. When the device is not needed in the system, VDD_RF and VDDC are shut down and VDDO remains
powered. This allows the device to be effectively off, while keeping the I/O pins powered so that they do not draw extra current from
other devices connected to the I/O.
Notes:
VDD_RF collectively refers to the VDDTF, VDDIF, VDDLNA, VDDPX, and VDDRF RF power supplies.
Never apply voltage to I/O pins if VDDO is not applied.
During the low power shutdown state and as long as VDDO remains applied to the device, all outputs are tristated and all digital and
analog clocks are disabled. Input voltages must remain within the limits defined for normal operation. This is done to either prevent
current draw and back loading on digital signals in the system. It also enables the device to be fully integrated in an embedded device
and take full advantage of the lowest power savings modes. If VDDC is powered up externally (not connected to VREG), VDDC
requires 750K ohms to ground during low-power shutdown. If VDDC is powered up by VREG, VDDC does not require 750K ohms to
ground because the internal main LDO has about 750 K ohms to ground when turned off.
Several signals, including the frequency reference input (XTAL_IN) and external LPO input (LPO_IN), are designed to be high-
impedance inputs that will not load down the driving signal, even if VDDO power is not applied to the chip. The other signals with back
drive prevention are RST_N, COEX_OUT0, COEX_OUT1, COEX_IN, PCM_SYNC, PCM_CLK, PCM_OUT, PCM_IN, UART_RTS_N,
UART_CTS_N, UART_RXD, UART_TXD, GPIO_0, GPIO_1, GPIO_2, GPIO_4, GPIO_7, CFG_SEL, and OTP_DIS.
All other IO signals must remain at VSS until VDDO is applied. Failing to do this can result in unreliable startup behavior.
When powered on, using REG_EN is the same as applying power to the CYW20713. The device does not have information about its
state before being powered-down.
3.7 Adaptive Frequency Hopping
The CYW20713 supports host channel classification and dynamic channel classification Adaptive Frequency Hopping (AFH)
schemes, as defined in the Bluetooth specification.
Host channel classification enables the host to set a predefined hopping map for the device to follow.
If dynamic channel classification is enabled, the device gathers link quality statistics on a channel-by-channel basis to facilitate channel
assessment and channel map selection. To provide a more accurate frequency hop map, link quality is determined using both RF and
baseband signal processing.
3.8 Collaborative Coexistence
The CYW20713 provides extensions and collaborative coexistence to the standard Bluetooth AFH for direct communication with
WLAN devices. Collaborative coexistence enables WLAN and Bluetooth to operate simultaneously in a single device. The device
supports industry-standard coexistence signaling, including 802.15.2, and supports Cypress and third-party WLAN solutions.
Using a multi-tiered prioritization approach, relative priorities between data types and applications can be set. This approach
maximizes the performance-WLAN data throughput vs. voice quality vs. link performance.
A PA shutdown pin is available to allow full external control of the RF output for other types of coexistence, such as WIMAX.
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CYW20713
3.9 Serial Enhanced Coexistence Interface
The Serial Enhanced Coexistence Interface (Serial ECI or SECI) is a proprietary Cypress interface between Cypress WLAN devices
and Bluetooth devices. It is an optional replacement to the legacy 3- or 4-wire coexistence feature, which is also available.
The following key features are associated with the interface:
■ Enhanced coexistence data can be exchanged over SECI_IN and SECI_OUT.
■ It supports generic UART communication between WLAN and Bluetooth devices.
■ To conserve power, it is disabled when inactive.
■ It supports automatic resynchronizaton upon waking from sleep mode.
■ It supports a baud rate of up to 4 Mbps.
3.9.1 SECI Advantages
The advantages of the SECI over the legacy 3-wire coexistence interface are:
■ Only two wires are required: SECI_IN and SECI_OUT.
■ Up to 48-bits of coexistence data can be exchanged.
Previous Cypress stand-alone Bluetooth devices such as the CYW2070 supported only a 3-wire or 4-wire coexistence interface.
Previous Cypress WLAN and Bluetooth combination devices such as the CYW4325, CYW4329, and CYW4330 support an internal
parallel enhanced coexistence interface for more efficient WLAN and Bluetooth information exchange. The SECI allows enhanced
coexistence information to be passed to a companion Cypress WLAN chip through a serial interface using fewer I/O than the 3-wire
coexistence scheme.
The 48-bits of the SECI significantly enhance WLAN and Bluetooth coexistence by sharing such information as frequencies used and
radio usage times. The exact contents of the SECI are Cypress confidential.
3.9.2 SECI I/O
The CYW20713 does not have dedicated SECI_IN or SECI_OUT pins, but the two pin functions can be mapped to the following digital
I/O: the UART, GPIO, SPIM (or BSC), PCM, and COEX pins. Pin function mapping is controlled by the config file that is either stored
in NVRAM or downloaded directly into on-chip RAM from the host.
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CYW20713
4. Microprocessor Unit
The CYW20713 microprocessor unit runs software from the link control (LC) layer up to the host controller interface (HCI). The
microprocessor is based on the ARM7TDMIS 32-bit RISC processor with embedded ICE-RT debug and JTAG interface units. The
microprocessor also includes 384 KB of ROM memory for program storage and boot ROM, 112 KB of RAM for data scratch-pad, and
patch RAM code.
The internal boot ROM provides flexibility during power-on reset to enable the same device to be used in various configurations,
including automatic host transport selection from SPI or UART, with or without external NVRAM. At power-up, the lower layer protocol
stack is executed from the internal ROM.
External patches can be applied to the ROM-based firmware to provide flexibility for bug fixes and features additions. These patches
can be downloaded from the host to the device through the SPI or UART transports, or using external NVRAM. The device can also
support the integration of user applications and profiles using an external serial flash memory.
4.1 NVRAM Configuration Data and Storage
4.1.1 Serial Interface
The CYW20713 includes an SPI master controller that can be used to access serial flash memory. The SPI master contains an AHB
slave interface, transmit and receive FIFOs, and the SPI core PHY logic. Data is transferred to and from the module by the system
CPU. DMA operation is not supported.
The CYW20713 supports serial flash vendors Atmel, MXIC, and Numonyx. The most commonly used parts from two of these vendors
are:
■ AT25BCM512B, manufactured by Atmel
■ MX25V512ZUI-20G, manufactured by MXIC
4.2 EEPROM
The CYW20713 includes a Broadcom Serial Control (BSC) master interface. The BSC interface supports low-speed and fast mode
devices and is compatible with I2C slave devices. Multiple I2C master devices and flexible wait state insertion by the master interface
or slave devices are not supported. The CYW20713 provides 400 kHz, full speed clock support.
The BSC interface is programmed by the CPU to generate the following BSC transfer types on the bus:
■ Read-only
■ Write-only
■ Combined read/write
■ Combined write-read
NVRAM may contain configuration information about the customer application, including the following:
■ Fractional-N information
■ BD_ADDR
■ UART baud rate
■ SDP service record
■ File system information used for code, code patches, or data
4.3 External Reset
The CYW20713 has an integrated power-on reset circuit which completely resets all circuits to a known power on state. This action
can also be driven by an external reset signal, which can be used to externally control the device, forcing it into a power-on reset state.
The RST_N signal input is an active-low signal for all versions of the CYW20713. The CYW20713 requires an external pull-up resistor
on the RST_N input. Alternatively, the RST_N input can be connected to REG_EN or driven directly by a host GPIO.
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CYW20713
4.4 One-Time Programmable Memory
The CYW20713 includes a One-Time Programmable (OTP) memory, allowing manufacturing customization and avoiding the need
for an on-board NVRAM.If customization is not required, then the OTP does not need to be programmed. Whether the OTP is
programmed or not, it is disabled after the boot process completes to save power.
The OTP size is 128 bytes.
The OTP is designed to store a minimal amount of information. Aside from OTP data, most user configuration information will be
downloaded into RAM after the CYW20713 boots up and is ready for host transport communication. The OTP contents are limited to:
■ Parameters required prior to downloading user configuration to RAM.
■ Parameters unique to a customer design.
4.4.1 Contents
The following are typical parameters programmed into the OTP memory:
■ BD_ADDR
■ Software license key
■ Output power calibration
■ Frequency trimming
■ Initial status LED drive configuration
The OTP contents also include a static error correction table to improve yield during the programming process as well as forward error
correction codes to eliminate any long-term reliability problems. The OTP contents associated with error correction are not visible by
customers.
4.4.2 Programming
OTP memory programming takes place through a combination of Cypress
software integrated with the manufacturing test software and code embedded in CYW20713 firmware.
Programming the OTP requires a 3.3V supply. The OTP programming supply comes from the VDDO pin. The OTP power supply can
be as low as 1.8V in order to read the OTP contents. OTP_DIS is brought out to a pin on the WLBGA package but not on the FPBGA
package, and is internally pulled low. If the OTP_DIS pin is left floating or externally pulled low, then the OTP will be enabled. if the
OTP_DIS pins is externally pulled high, then the OTP will be disabled.
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CYW20713
5. Peripheral Transport Unit
This section discusses the PCM, UART, and SPI peripheral interfaces. The CYW20713 has a 1040 byte transmit and receive FIFO,
which is large enough to hold the entire payload of the largest EDR BT packet (3-DH5).
5.1 PCM Interface
The CYW20713 PCM interface can connect to linear PCM codec devices in master or slave mode. In master mode, the device
generates the PCM_BCLK and PCM_SYNC signals. In slave mode, these signals are provided by another master on the PCM
interface as inputs to the device.
The device supports up to three SCO or eSCO channels through the PCM interface and each channel can be independently mapped
to any available slot in a frame.
The host can adjust the PCM interface configuration using vendor-specific HCI commands or it can be setup in the configuration file.
5.1.1 System Diagram
Figure 5 shows options for connecting the device to a PCM codec device as a master or a slave.
Figure 5. PCM Interface with Linear PCM Codec
PCM_IN
PCM_OUT
PCM_BCLK
PCM_SYNC
PCM Codec
(Master)
CYW20713
(Slave)
PCM Interface Slave Mode
PCM_IN
PCM_OUT
PCM_BCLK
PCM_SYNC
PCM Codec
(Slave)
CYW20713
(Master)
PCM Interface Master Mode
PCM_IN
PCM_OUT
PCM_BCLK
PCM_SYNC
PCM Codec
(Hybrid)
CYW20713
(Hybrid)
PCM Interface Hybrid Mode
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5.1.2 Slot Mapping
The device supports up to three simultaneous, full-duplex SCO or eSCO channels. These channels are time-multiplexed onto the
PCM interface using a time slotting scheme based on the audio sampling rate, as described in Table 3.
Table 3. PCM Interface Time Slotting Scheme
Audio Sample Rate
Time Slotting Scheme
8 kHz
The number of slots depends on the selected interface rate, as follows:
Interface rate
128
Slot
1
256
2
512
4
1024
8
2048
16
16 kHz
The number of slots depends on the selected interface rate, as follows:
Interface rate
256
Slot
1
512
2
1024
4
2048
8
Transmit and receive PCM data from an SCO channel is always mapped to the same slot. The PCM data output driver tristates its
output on unused slots to allow other devices to share the same PCM interface signals. The data output driver tristates its output after
the falling edge of the PCM clock during the last bit of the slot.
5.1.3 Wideband Speech
The CYW20713 provides support for wideband speech (WBS) in two ways:
■ Transparent mode: The host encodes WBS packets and the encoded packets are transferred over the PCM bus for SCO or eSCO
voice connections. In Transparent mode, the PCM bus is typically configured in master mode for a 4 kHz sync rate with 16-bit
samples, resulting in a 64 kbps bit rate.
■ On-chip SmartAudio® technology: The CYW20713 can perform Subband-Codec (SBC) encoding and decoding of linear 16 bits at
16 kHz (256 kbps rate) transferred over the PCM bus.
5.1.4 Frame Synchronization
The device supports both short and long frame synchronization types in both master and slave configurations. In short frame synchro-
nization mode, the frame synchronization signal is an active-high pulse at the 8 kHz audio frame rate (which is a single bit period in
width) and synchronized to the rising edge of the bit clock. The PCM slave expects PCM_SYNC to be high on the falling edge of the
bit clock and the first bit of the first slot to start at the next rising edge of the clock. In the long frame synchronization mode, the frame
synchronization signal is an active-high pulse at the 8 kHz audio frame rate. However, the duration is 3-bit periods and the pulse starts
coincident with the first bit of the first slot.
5.1.5 Data Formatting
The device can be configured to generate and accept several different data formats. The device uses 13 of the 16 bits in each PCM
frame. The location and order of these 13 bits is configurable to support various data formats on the PCM interface. The remaining
three bits are ignored on the input, and may be filled with zeros, ones, a sign bit, or a programmed value on the output. The default
format is 13-bit two’s complement data, left justified, and clocked most significant bit first.
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CYW20713
5.2 HCI Transport Detection Configuration
The CYW20713 supports the following interface types for the HCI transport from the host:
■ UART (H4 and H5)
■ SPI
Only one host interface can be active at a time. The firmware performs a transport detect function at boot-time to determine which
host is the active transport. It can auto-detect the UART interface, but the SPI interface must be selected by strapping the SCL pin to 0.
The complete algorithm is summarized as follows:
1. Determine if SCL is pulled low. If it is, select SPI as HCI host transport.
2. Determine if any local NVRAM contains a valid configuration file. If it does and a transport configuration entry is
present, select the active transport according to entry, and then exit the transport detection routine.
3. Look for CTS_N = 0 on the UART interface. If it is present, select UART.
4. Repeat Step 3 until transport is determined.
5.3 UART Interface
The UART physical interface is a standard, 4-wire interface (RX, TX, RTS, CTS) with adjustable baud rates from 9600 bps to 4.0
Mbps. The interface features an automatic baud rate detection capability that returns a baud rate selection. Alternatively, the baud
rate can be selected via a vendor-specific UART HCI command. The interface supports Bluetooth UART HCI (H4) specifications. The
default baud rate for H4 is 115.2 Kbaud.
The following baud rates are supported:
■ 9600
■ 115200
■ 230400
■ 460800
■ 921600
■ 1444444
■ 1500000
■ 2000000
■ 3000000
■ 3250000
■ 3692000
■ 4000000
■ 14400
■ 19200
■ 28800
■ 38400
■ 57600
Normally, the UART baud rate is set by a configuration record downloaded after reset or by automatic baud rate detection. The host
does not need to adjust the baud rate. Support for changing the baud rate during normal HCI UART operation is provided through a
vendor-specific command.
The CYW20713 UART operates with the host UART correctly, provided the combined baud rate error of the two devices is within ±2%.
5.3.1 HCI 3-Wire Transport (UART H5)
The CYW20713 supports H5 UART transport for serial UART communications. H5 reduces the number of signal lines required by
eliminating CTS and RTS, when compared to H4. In addition, in-band sleep signaling is supported over the same interface so that
the 4-wire UART and the 2-wire sleep signaling interface can be reduced to a 2-wire UART interface, saving four I/Os on the host.
H5 requires the use of an external LPO. CTS must be pulled low.
5.4 SPI
The CYW20713 supports a slave SPI HCI transport with an input clock range of up to 16 MHz. Higher clock rates may be possible.
The physical interface between the SPI master and the CYW20713 consists of the four SPI signals (SPI_CSB, SPI_CLK, SPI_SI, and
SPI_SO) and one interrupt signal (SPI_INT). The CYW20713 can be configured to accept active-low or active-high polarity on the
SPI_CSB chip select signal. It can also be configured to drive an active-low or active-high SPI_INT interrupt signal. Bit ordering on
the SPI_SI and SPI_SO data lines can be configured as either little-endian or big-endian. Additionally, proprietary sleep mode, half-
duplex handshaking is implemented between the SPI master and the CYW20713.
SPI_INT is required to negotiate the start of a transaction. The SPI interface does not require flow control in the middle of a payload.
The FIFO is large enough to handle the largest packet size. Only the SPI master can stop the flow of bytes on the data lines, since it
controls SPI_CSB and SPI_CLK. Flow control should be implemented in higher layer protocols.
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CYW20713
6. Frequency References
The CYW20713 uses two different frequency references for normal and low-power operational modes. An external crystal or
frequency reference driven by a Temperature Compensated Crystal Oscillator (TCXO) signal is used to generate the radio frequencies
and normal operation clocking. Either an external 32.768 kHz or fully integrated internal Low-Power Oscillator (LPO) is used for low-
power mode timing.
6.1 Crystal Interface and Clock Generation
The CYW20713 uses a fractional-N synthesizer to generate the radio frequencies, clocks, and data/packet timing, enabling it to
operate from any of a multitude of frequency sources. The source can be external, such as a TCXO, or a crystal interfaced directly to
the device.
The default frequency reference setting is for a 20 MHz crystal or TCXO. The signal characteristics for the crystal interface are listed
in Table 4 on page 20.
Table 4. Crystal Interface Signal Characteristics
Parameter
Acceptable frequencies
Crystal load capacitance
ESR
Crystal
12–52 MHz in 2 ppma steps
12 (typical)
External Frequency Reference
12–52 MHz in 2 ppma steps
Units
–
N/A
–
pF
60 (max)
Ω
Power dissipation
Input signal amplitude
200 (max)
–
W
mVp-p
N/A
400 to 2000
2000 to 3300 (requires a 10 pF DC
blocking capacitor to attenuate the signal)
Signal type
N/A
N/A
Square-wave or sine-wave
–
Input impedance
1
2
MΩ
pF
Phase noise
@ 1 kHz
@ 10 kHz
@ 100 kHz
@ 1 MHz
N/A
N/A
N/A
N/A
N/A
–
–
< –120b
< –131b
< –136b
< –136b
dBc/Hz
dBc/Hz
dBc/Hz
dBc/Hz
Auto-detection frequencies when
using external LPOc
12, 13, 14.4, 15.36, 16.2, 16.8, 18,
19.2, 19.44, 19.68, 19.8, 20, 24, 26,
33.6, 37.4, and 38.4
12, 13, 14.4, 15.36, 16.2, 16.8, 18, 19.2,
19.44, 19.68, 19.8, 20, 24, 26, 33.6, 37.4,
and 38.4
MHz
Tolerance without frequency
trimmingd
±20
±20
ppm
ppm
Initial frequency tolerance trimming ±50
range
±50
a. The frequency step size is approximately 80 Hz resolution.
b. With a 26 MHz reference clock. For a 13 MHz clock, subtract 6 dB. For a 52 MHz clock, add 6 dB.
c. Auto-detection of the frequency requires the crystal or external frequency reference to have less than ±50 ppm of variation and also requires an external LPO frequency
which has less than ±250 ppm of variation at the time of detection.
d. AT-Cut crystal or TXCO recommended.
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CYW20713
6.2 Crystal Oscillator
The CYW20713 can use an external crystal to provide a frequency reference. The recommended configuration for the crystal oscillator,
including all external components, is shown in Figure 6.
Figure 6. Recommended Oscillator Configuration
XIN
0 to 18 pF*
Crystal
Oscillator
XOUT
0 to 18 pF*
*Capacitor value range depends on the
manufacturer of the XTAL as well as board layout.
6.3 External Frequency Reference
An external frequency reference generated by a TCXO signal that may be directly connected to the crystal input pin on the CYW20713,
as shown in Figure 7. The external frequency reference input is designed to not change loading on the TCXO when the CYW20713
is powered up or powered down.
When using the CYW20713 with the TXCO OR gate option, GPIO 6 must be driven active high or active low. Excessive leakage
current results if GPIO6 is allowed to float.
Figure 7. Recommended TCXO Connection
TCXO
XIN
10–1000 pF*
XOUT
No Connection
* Recommended value is 100 pF.
Higher values produce a longer startup time.
Lower values have greater isolation.
Larger values help small signal swings.
6.3.1 TCXO Clock Request Support
If the application utilizes an external TCXO as a clock reference, the CYW20713 provides a clock request output to allow the system
to power off the TCXO when not in use. Optionally, some packages support a TCXO OR function that allows a clock request in the
system to be combined with the CYW20713 clock request output, without requiring an extra component on the board.
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PRELIMINARY
CYW20713
Clock Request Output
The CLK_REQ signal on the GPIO_5 lead is asserted whenever the CYW20713 is in the Awake state. It is deasserted when in Sleep
state. When the CYW20713 is sleeping, it uses an LPO clock (external or internal) as the timing reference.
The TM0 lead controls the polarity of the CLK_REQ output on GPIO_5 as follows:
TM0 = 0
TM0 = 1
CLK_REQ is active low
CLK_REQ is active high
If the clock request feature is not desired, GPIO_5 can be configured for other functions.
TCXO OR Option
The CYW20713 has an optional feature that allows the application to perform a logical OR function on a system TCXO clock request
signal and the CYW20713 clock request to form one clock request output to the TCXO device. This logical OR function is embedded
in the pad ring so that it is available at any time, as long as the pad ring is receiving a VDDO supply. The function works even if the
CYW20713’s digital core is sleeping or completely powered off.
To use this feature, the TCXO_MODE lead must be tied high. In this mode, the GPIO_6 lead functions as the external clock request
input. Without TCXO_MODE asserted, GPIO_5 functions as the clock request output (based only on the internal clock requirements
of the CYW20713) and the state of GPIO_6 is ignored.
As mentioned earlier, the TM0 lead controls the polarity of the CLK_REQ output on GPIO_5. However, it assumes that GPIO_6 input
polarity is already consistent with the desired polarity on GPIO_5/CLK_REQ. Therefore, when TM0 is 1 for an active high output, the
function is a simple OR between the external GPIO_6 and the internal clock request state. However, when TM0 is 0 for an active low
output, the logic inverts the internal clock request signal and performs an AND between it and the GPIO_6 input. Even though it is
using an OR gate, it still provides a logical AND on the two clock request states.
Since the logic assumes that it is also active low (similar to GPIO_5 output), it does not invert the GPIO_6 input first. Table 5 on page
22 shows the truth table.
Table 5. Truth Table
GPIO_6
CLK_REQ_IN
Internal Clock Request State
(0 = sleep)
TM0
GPIO_5
CLK_REQ
(0 = active low output)
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
0
0
0
1
1
1
1
0
0
1
0
0
1
1
1
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CYW20713
Package Options and TCXO Mode
Only a few package options bring out TM0 to balls, allowing the application to configure them. In most packages, these pins are already
configured.
Table 6 lists available package options.
Table 6. Package Options
Part Number
CYW20713A1KUFBXG
CYW20713A1KUBG
Package Description
TM0
Brought to ball
1
50-ball FPBGA
42-bump WLBGA
6.4 Frequency Selection
Any frequency within the range specified for the crystal and TCXO reference can be used. These frequencies include standard handset
reference frequencies (12, 13, 14.4, 15.36, 16.2, 16.8, 18, 19.2, 19.44, 19.68, 19.8, 20, 24, 26, 33.6, 37.4, and 38.4 MHz) and any
frequency between these reference frequencies, as desired by the system designer. Since bit timing is derived from the reference
frequency, the CYW20713 must have the reference frequency set correctly in order for the UART and PCM interfaces to function
properly.
The CYW20713 reference frequency can be set in one of three ways.
■ Use the default 20 MHz frequency
■ Designate the reference frequency in external NVRAM
■ Auto-detect the standard handset reference frequencies using an external LPO clock
The CYW20713 is set to a default frequency of 20 MHz at the factory. For a typical design using a crystal, it is recommended that the
default frequency be used, since this simplifies the design by removing the need for either external NVRAM or external LPO clock.
If the application requires a frequency other than the default, the value can be stored in an external NVRAM. Programming the
reference frequency in NVRAM provides the maximum flexibility in the selection of the reference frequency, since any frequency within
the specified range for crystal and external frequency reference can be used. During power-on reset (POR), the device downloads
the parameter settings stored in NVRAM, which can be programmed to include the reference frequency and frequency trim values.
Typically, this is how a PC Bluetooth application is configured.
For applications such as handsets and portable smart communication devices, where the reference frequency is one of the standard
frequencies commonly used, the CYW20713 automatically detects the reference frequency and programs itself to the correct
reference frequency. In order for auto-frequency detection to work properly, the CYW20713 must have a valid and stable 32.768 kHz
external LPO clock present during POR. This eliminates the need for NVRAM in applications where the external LPO clock is available
and an external NVRAM is typically not used.
6.5 Frequency Trimming
The CYW20713 uses a fractional-N synthesizer to digitally fine-tune the frequency reference input to within ±2 ppm tuning accuracy.
This trimming function can be applied to either the crystal or an external frequency source such as a TCXO. Unlike the typical crystal-
trimming methods used, the CYW20713 changes the frequency using a fully digital implementation and is much more stable and
unaffected by crystal characteristics or temperature. Input impedance and loading characteristics remain unchanged on the TCXO or
crystal during the trimming process and are unaffected by process and temperature variations.
The option to use or not use frequency trimming is based on the system designer’s cost trade-off between bill-of-materials (BOM) cost
of the crystal and the added manufacturing cost associated with frequency trimming. The frequency trimming value can either be
stored in the host and written to the CYW20713 as a vendor-specific HCI command or stored in NVRAM and subsequently recalled
during POR.
Frequency trimming is not a substitute for the poor use of tuning capacitors at an crystal oscillator (XTAL). Occasionally, trimming can
help alleviate hardware changes.
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CYW20713
6.6 LPO Clock Interface
The LPO clock is the second frequency reference that the CYW20713 uses to provide low-power mode timing for park, hold, and sniff.
The LPO clock can be provided to the device externally, from a 32.768 kHz source or the CYW20713 can operate using the internal
LPO clock.
The LPO can be internally driven from the main clock. However, sleep current will be impacted.
The accuracy of the internal LPO limits the maximum park, hold, and sniff intervals.
Table 7. External LPO Signal Requirements
Parameter
External LPO Clock
Units
kHz
Nominal input frequency
Frequency accuracy
Input signal amplitude
Signal type
32.768
±250
ppm
mVp-p
–
200 to 3600
Square-wave or sine-wave
Input impedance (when power is applied or power is off)
>100
<5
kΩ
pF
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CYW20713
7. Pin Information
7.1 Pin Descriptions
Table 8. CYW20713 Signal Descriptions
FPBGA
WLBGA
42-Bump
Power Do-
Signal
50-Ball
I/O
Description
main
Radio
RES
External calibration resistor,
15 kΩ @ 1%
G4
D6
O
VDD_RF
RFP
RF I/O antenna port
Crystal or reference input
Crystal oscillator output
D1
G2
G3
C7
F5
E5
I/O
I
VDD_RF
VDD_RF
VDD_RF
XIN
XOUT
O
Analog
LPO_IN
Voltage Regulators
REG_EN
VBAT
External LPO input
A4
B4
I
VDDRF
HV LDO and main enable
HV LDO input
B2
A3
A2
A1
B5
A5
A6
A7
I
I
VDDO
N/A
VREGHV
VREG
HV LDO output: main LDO input
Main LDO output
I/O
O
N/A
N/A
Straps
RST_N
TM0
Active-low reset input
B4
C4
–
C5
–
I
I
I
I
VDDO
VDDO
VDDO
VDDO
Clock request polarity select
Internally connected to ground
Reserved: connect to ground.
TM1
–
TM2
F3
C6
Digital I/O
GPIO_0
GPIO_1
GPIO_2
GPIO_3
GPIO/BT_WAKE
GPIO/HOST_WAKE
GPIO
B5
B3
–
C3
B3
–
I/O
I/O
I/O
I/O
VDDO
VDDO
VDDO
VDDO
GPIO/LINK_IND
–
–
Note: Can be configured for active high or low as
well as open drain.
GPIO_4
GPIO_5
GPIO
–
–
I/O
I/O
VDDO
VDDO
GPIO/CLK_REQ
E6
F4
TCXO-OR Function Out available on some
packages.SeeSection10.:“OrderingInformation,”
on page 50.
GPIO_6
GPIO
E3
D5
I/O
VDDO
TCXO-OR Function In available on some
packages.SeeSection10.:“OrderingInformation,”
on page 50.
GPIO_7
DETATCH/CARD_DETECT
UART receive data
B7
D8
C8
D7
E8
–
I/O
I/O
I/O
I/O
I/O
VDDO
VDDO
VDDO
VDDO
VDDO
UART_RXD
UART_TXD
UART_RTS_N
UART_CTS_N
D2
C2
F2
E3
UART transmit data
UART request to send output
UART clear to send input
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CYW20713
Table 8. CYW20713 Signal Descriptions (Cont.)
FPBGA
50-Ball
WLBGA
Power Do-
Signal
I/O
Description
42-Bump
E1
D1
C1
E2
D4
E4
C4
A4
–
main
SCL
SDA
I2C clock
I2C data
F7
E7
A8
C7
F6
G6
F4
F5
B6
E4
E5
–
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
VDDO
VDDO
VDDO
VDDO
VDDO
VDDO
VDDO
VDDO
VDDO
VDDO
VDDO
VDDO
SPIM_CLK
SPIM_CS_N
PCM_IN
PCM_OUT
PCM_CLK
PCM_SYNC
COEX_IN
COEX_OUT0
COEX_OUT1
OTP_DIS
Supplies
VDDIF
Serial flash SPI clock
Serial flash active-low chip select
PCM/I2S data input
PCM/I2S data output
PCM/I2S clock
PCM sync/I2S word select
Coexistence input
Coexistence output
–
Coexistence output
–
OTP disable pin. By default, leave this pin floating.
A2
Radio IF PLL supply
Radio PA supply
Radio LNA supply
Radio supply
B1
C1
E1
F1
G1
A5
B8
F8
G5
A6
G8
–
–
I
I
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
VDDTF
VDDLNA
VDDRF
VDDPX
VDDC
B7
–
I
E7
F7
A3
F1
–
I
Radio RF PLL supply
Core logic supply
Core logic supply
Core logic supply
Digital I/O supply voltage
Digital I/O supply voltage
Digital I/O supply voltage
No connect
I
I
VDDC
I
VDDC
I
VDDO
D3
–
I
VDDO
I
VDDO
–
I
NC
B1
D7
B6
E6
F6
F3
A1
–
I
VSS
Ground
C2
D2
F2
D3
C6
A7
G7
–
–
–
–
–
–
–
–
–
VSS
Ground
VSS
Ground
VSS
Ground
VSS
Ground
VSS
Ground
VSS
Ground
VSS
Ground
B2
Document Number: 002-14806 Rev. *C
Page 26 of 52
PRELIMINARY
CYW20713
7.2 Ball Maps
Figure 8 shows the top view of the 50-ball 4.5 x 4 x 0.6 mm (FPBGA).
Figure 8. 50-Ball 4.5 x 4 x 0.6 mm (FPBGA) Array
1
2
3
4
5
6
7
8
A
B
C
D
E
F
G
Table 9. Ball Map for the 50-Ball CYW20713A1KUFBXG
1
2
VREGHV
REG_EN
VSS
3
4
LPO_IN
RST_N
TM0
5
6
7
VSS
8
A
B
C
D
E
F
VREG
VDDIF
VDDTF
RFP
VBAT
GPIO_1
–
VDDC
VDDO
COEX_IN
VSS
SPIM_CLK
VDDC
GPIO_0
GPIO_7
SPIM_CS_N
UART_RTS_N
SDA
–
–
UART_TXD
UART_RXD
UART_CTS_N
VDDC
VSS
VSS
–
–
VDDLNA
VDDRF
VDDPX
–
GPIO6
TM2
COEX_OUT0
PCM_CLK
RES
COEX_OUT1
PCM_SYNC
VDDO
GPIO_5
PCM_IN
PCM_OUT
VSS
SCL
G
XIN
XOUT
VSS
VDDO
Document Number: 002-14806 Rev. *C
Page 27 of 52
PRELIMINARY
CYW20713
Figure 9 shows the top view of the 42-bump, 2.97 x 2.46 x 0.5 mm array.
Figure 9. 42-Bump 2.97 x 2.46 x 0.5 mm Array (Top View)
1
2
3
4
5
6
7
A
B
C
D
E
F
Table 10. Ball Map for the 42-Bump CYW20713A1KUBG
1
VSS
2
3
VDDC
4
5
6
VREGHV
VSS
7
A
B
C
D
E
F
OTP_DIS
VSS
PCM_SYNC
LPO_IN
VBAT
VREG
VDDTF
RFP
N/C
GPIO_1
GPIO_0
VDDO
REG_EN
RST_N
GPIO_6
XOUT
XIN
SPIM_CLK
SDA
UART_TXD
UART_RXD
SPIM_CS_N
UART_RTS_N
PCM_CLK
PCM_IN
TM2
RES
VSS
SCL
UART_CTS_N
VSS
PCM_OUT
GPIO_5
VSS
VDDRF
VDDPX
VDDC
VSS
Document Number: 002-14806 Rev. *C
Page 28 of 52
PRELIMINARY
CYW20713
8. Electrical Characteristics
Note: All voltages listed in Table 11 are referenced to VDD
Table 11. Absolute Maximum Ratings
Rating
DC supply voltage for RF
Signal/Parameter
VDD_RFa
VDDC
Value
1.32
Unit
V
DC supply voltage for core
1.32
V
DC supply voltage for I/O
VDDOb
3.6
V
DC supply voltage for PA
VDDTF
3.3
V
Maximum voltage on input or output pins
Minimum voltage on input or output pins
Storage temperature
VIMAX
VDDO + 0.3
VSS – 0.3
–40 to 125
V
VIMIN
V
TSTG
°C
a. VDD_RF collectively refers to the VDDIF, VDDLNA, VDDPX, and VDDRF RF power supplies.
b. If VDDO is not applied, voltage should never be applied to any digital I/O pins (I/O pins should never be driven or pulled high). The list of digital I/O pins includes the
following (these pins are listed in Section 7.: “Pin Information,” on page 25 with VDDO shown as their power domain):
GPIO[3], GPIO[5], GPIO[6]
SCL, SDA
N_MODE
SPIM_CS_N, SPIM_CLK
Table 12. Power Supply
Parameter
DC supply voltage for RF
Symbol
VDD_RF a
VDD_RF b
VDDC
Minimum
1.159
–
Typical
Maximum
1.281
150
Unit
1.22
–
V
DC supply noise for RF, from 100 kHz to 1 MHz
DC supply voltage for core
DC supply voltage for I/O
DC supply
V rms
1.159
1.7
1.22
–
1.281
3.6
V
V
V
VDDO
VDDTF c
1.12
–
3.3
a. VDD_RF collectively refers to the VDDIF, VDDLNA, VDDPX, VDDLNA, VDDRF RF power supplies.
b. Overall performance defined using integrated regulation.
c. VDDTF for Class 2 must be connected to VREG (main LDO output). VDDTF for Class 1 must be connected to VREGHV (HV LDO output) or an external voltage source.
Refer to the Cypress compatibility guide for configuration details. VDDTF requires a capacitor to ground. The value of the capacitor must be tuned to ensure optimal
RF RX sensitivity. The typical capacitor value is 10 pF for both packages. The value may depend on board layout.
Table 13. High-Voltage Regulator (HV LDO) Electrical Specifications
Parameter
Minimum
Typical
Maximum
Unit
V
Input voltage
2.3
1.8
–
–
–
–
–
–
–
–
–
5.5
3.3
95
Output voltage
V
Max current load
Load capacitance
Load capacitor ESR
PSRR
mA
F
Ω
1
10
0.01
20
–
2
40
dB
s
mV
Turn-on time (Cload = 2.2 F)
Dropout voltage
200
200
–
Document Number: 002-14806 Rev. *C
Page 29 of 52
PRELIMINARY
CYW20713
Table 14. Main Regulator (Main LDO) Electrical Specifications
Parameter
Minimum
Typical
Maximum
Unit
V
Input voltage
Output voltage
Load current
Load capacitance
ESR
1.63
1.159
–
–
1.22
–
3.63
1.281
60
V
mA
F
Ω
1
–
2.2
0.1
–
–
0.5
Turn-on time
PSRR
–
300
–
s
dB
mV
15
–
–
Dropout voltage
–
200
Note: By default, the drive strength settings specified in Table 15 are for 3.3V. To achieve the required drive strength for a VDDIO of
2.5V or 1.8V, contact a Cypress technical support representative (see IoT Resources for contact information).
Table 15. Digital I/O Characteristics
Characteristics
Input low voltage (VDDO = 3.3V)
Symbol
VIL
Minimum
Typical
Maximum
Unit
V
–
–
–
–
–
–
–
–
–
–
–
–
–
–
0.8
–
Input high voltage (VDDO = 3.3V)
Input low voltage (VDDO = 1.8V)
Input high voltage (VDDO = 1.8V)
Output low voltage
VIH
VIL
2.0
V
–
0.6
–
V
VIH
VOL
VOH
IIL
1.1
V
–
0.4
–
V
Output high voltage
VDDO – 0.4V
V
Input low current
–
–
–
–
–
–
–
1.0
1.0
3.0
3.0
3.0
3.0
0.4
A
A
mA
mA
mA
mA
pF
Input high current
IIH
Output low current (VDDO = 3.3V, VOL = 0.4V)
Output high current (VDDO = 3.3V, VOH = 2.9V)
Output low current (VDDO = 1.8V, VOL = 0.4V)
Output high current (VDDO = 1.8V, VOH = 1.4V)
Input capacitance
IOL
IOH
IOL
IOH
CIN
Document Number: 002-14806 Rev. *C
Page 30 of 52
PRELIMINARY
CYW20713
8.1 Electrostatic Discharge Specifications
Extreme caution must be exercised to prevent electrostatic discharge (ESD) damage. Proper use of wrist and heel grounding straps
to discharge static electricity is required when handling these devices. Always store unused material in its antistatic packaging.
Table 16. ESD Specifications
Types
Symbol
Conditions
ESD Rating
Units
Human body model
ESD_HAND_HBM
Human body model contact discharge
per AEC-Q100-002
3.5
kV
Machine model
ESD_HAND_MM
ESD_HAND_CDM
Machine model contact discharge per
AEC-Q100-003
150
V
V
Charged device
model
Charged device modelcontact discharge
per AEC-Q100-011
500
(750V on corner pins)
Table 17. Pad I/O Characteristicsa
I/O Pad Characteristics
Pad Name
COEX_OUT0
COEX_OUT1
COEX_IN
Pull-Up/Pull-Down
Fail-Safe
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
N
Y
PCM_CLK
PCM_OUT
PCM_IN
Y
Y
Y
PCM_SYNC
UART_RTS_N
UART_CTS_N
UART_RXD
UART_TXD
GPIO_0
Y
Y
Y
Y
Y
Y
GPIO_1
Y
GPIO_2
Y
GPIO_4
Y
GPIO_7
Y
RST_N
N/A
Y
OTP_DIS
a. All digital I/O internal pull-up or pull-down values are around 60 kΩ.
Document Number: 002-14806 Rev. *C
Page 31 of 52
PRELIMINARY
CYW20713
Table 18. Current Consumption—Class 1(10 dBm)
Operational Mode
Receive (1 Mbps)
Conditions
Typical Units
Current level during receive of a basic rate packet
31
65
32
59
mA
mA
mA
mA
Transmit (1 Mbps)
Receive (EDR)
Transmit (EDR)
Current level during transmit of a basic rate packet, GFSK output power = 10 dBm
Current level during receive of a 2 or 3 Mbps rate packet
Current level during transmit of a 2 or 3 Mbps rate packet, GFSK output power =
10 dBm
DM1/DH1
DM3/DH3
DM5/DH5
HV1
Average current during basic rate max throughput connection
which includes only this packet type.
45
46
48
38
23
17
mA
mA
mA
mA
mA
mA
Average current during basic rate max throughput connection
which includes only this packet type.
Average current during max basic rate throughput connection
which includes only this packet type.
Average current during SCO voice connection consisting of only
this packet type. ACL channel is in 500 ms sniff.
HV2
Average current during SCO voice connection consisting of only
this packet type. ACL channel is in 500 ms sniff.
HV3
Average current during SCO voice connection consisting of only
this packet type. ACL channel is in 500 ms sniff.
HCI only active
Sleep
Average current when waiting for HCI command UART or SPI transports.
UART transport active, external LPO clock available.
4.8
55
45
mA
A
A
Sleep, HV Reg Bypass
UART transport active, external LPO clock available, HV LDO
disabled and in bypass mode.
Inquiry Scan (1.28 sec)
Page Scan (R1)
Periodic scan rate is 1.28 sec.
350
350
630
A
A
A
Periodic scan rate is R1 (1.28 sec).
Inquiry Scan + Page Scan
(R1)
Both inquiry and page scans are interlaced together at 1.28 sec periodic scan rate.
Sniff master (500 ms)
Attempt and timeout parameters set to 4. Quality connection
which rarely requires more than minimum packet exchange.
175
160
A
A
Sniff slave (500 ms)
Attempt and timeout parameters set to 4. Quality connection
which rarely requires more than minimum packet exchange. Sniff master follows
optimal sniff protocol of CYW20713 master.
Sniff (500 ms) + Inquiry/Page Same conditions as Sniff master and Page Scan (R1). Scan maybe either Inquiry
Scan (R1) Scan or Page Scan at 1.28 sec periodic scan rate.
455
760
A
A
Sniff (500ms) + Inquiry Scan + Same conditions as Sniff master and Inquiry Scan + Page Scan.
Page Scan (R1)
Document Number: 002-14806 Rev. *C
Page 32 of 52
PRELIMINARY
CYW20713
Table 19. Current Consumption—Class 2 (2 dBm)
Operational Mode
Receive (1 Mbps)
Conditions
Typical
31
Unit
mA
mA
Current level during receive of a basic rate packet
Transmit (1 Mbps)
Current level during transmit of a basic rate packet, GFSK output power =
2 dBm
44
Receive (EDR)
Transmit (EDR)
Current level during receive of a 2 or 3 Mbps rate packet
32
41
mA
mA
Current level during transmit of a 2 or 3 Mbps rate packet, GFSK output
power = 2 dBm
DM1/DH1
DM3/DH3
DM5/DH5
HV1
Average current during basic rate max throughput connection, which
includes only this packet type.
35
36
37
28
17
13
mA
mA
mA
mA
mA
mA
Average current during basic rate max throughput connection, which
includes only this packet type.
Average current during max basic rate throughput connection, which
includes only this packet type.
Average current during SCO voice connection consisting of only this packet
type. ACL channel is in 500 ms sniff.
HV2
Average current during SCO voice connection consisting of only this packet
type. ACL channel is in 500 ms sniff.
HV3
Average current during SCO voice connection consisting of only this packet
type. ACL channel is in 500 ms sniff.
HCI only active
Sleep
Average current when waiting for HCI command UART or SPI transports.
UART transport active, external LPO clock available.
4.8
55
45
mA
A
A
Sleep, HV Reg Bypass
UART transport active, external LPO clock available, HV LDO disabled and
in bypass mode.
Inquiry Scan (1.28 sec)
Page Scan (R1)
Periodic scan rate is 1.28 sec.
350
350
630
A
A
A
Periodic scan rate is R1 (1.28 sec).
Inquiry Scan + Page Scan
(R1)
Both inquiry and page scans are interlaced together at 1.28 sec periodic
scan rate.
Sniff master (500 ms)
Attempt and timeout parameters set to 4. Quality connection which rarely
requires more than minimum packet exchange.
145
135
A
A
Sniff slave (500 ms)
Attempt and timeout parameters set to 4. Quality connection which rarely
requires more than minimum packet exchange. Sniff master follows optimal
sniff protocol of CYW20713 master.
Sniff (500 ms) + Inquiry/Page
Scan (R1)
Same conditions as Sniff master and Page Scan (R1). Scan can be either
Inquiry Scan or Page Scan at 1.28 sec periodic scan rate.
425
730
A
A
Sniff (500 ms) + Inquiry Scan
+ Page Scan (R1)
Same conditions as Sniff master and Inquiry Scan + Page Scan.
Table 20. Operating Conditions
Parameter
Temperature
Conditions
Industrial
RF, Core
–
Minimum
–40.0
1.14
Typical
–
Maximum
Unit
°C
V
85
1.32
3.3
Power supply
1.22
2.9
PA supply (VDDTF)
1.14
V
Document Number: 002-14806 Rev. *C
Page 33 of 52
PRELIMINARY
CYW20713
8.2 RF Specifications
Table 21. Receiver RF Specificationsa, b
Parameter
General
Conditions
Minimum
Typical c
Maximum
Unit
Frequency range
RX sensitivity d
–
2402
–
–
–89e
2480
–85
MHz
dBm
GFSK, 0.1%BER, 1Mbps, FPBGA
package
GFSK, 0.1% BER, 1 Mbps,
WLBGA package
–
–88e
–84
dBm
p/4-DQPSK, 0.01% BER, 2 Mbps
–
–
–91e
–86e
–85
–81
dBm
dBm
8-DPSK, 0.01% BER, 3 Mbps
FPBGA package
8-DPSK, 0.01% BER, 3 Mbps,
WLBGA package
–
–85e
–80
dBm
Maximum input
Maximum input
GFSK, 1 Mbps
–
–
–
–
–20
–20
dBm
dBm
p/4-DQPSK, 8-DPSK,
2/3 Mbps
Interference Performance
C/I cochannel
GFSK, 0.1% BER
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
11
0
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
C/I 1 MHz adjacent channel
C/I 2 MHz adjacent channel
C/I > 3 MHz adjacent channel
C/I image channel
GFSK, 0.1% BER
GFSK, 0.1% BER
–30.0
–40.0
–9.0
–20.0
13
GFSK, 0.1% BER
GFSK, 0.1% BER
C/I 1 MHz adjacent to image channel
C/I cochannel
GFSK, 0.1% BER
p/4-DQPSK, 0.1% BER
p/4-DQPSK, 0.1% BER
p/4-DQPSK, 0.1% BER
8-DPSK, 0.1% BER
p/4-DQPSK, 0.1% BER
p/4-DQPSK, 0.1% BER
8-DPSK, 0.1% BER
8-DPSK, 0.1% BER
8-DPSK, 0.1% BER
8-DPSK, 0.1% BER
8-DPSK, 0.1% BER
8-DPSK, 0.1% BER
C/I 1 MHz adjacent channel
C/I 2 MHz adjacent channel
C/I > 3 MHz adjacent channel
C/I image channel
0
–30.0
–40.0
–7.0
–20.0
21
C/I 1 MHz adjacent to image channel
C/I cochannel
C/I 1 MHz adjacent channel
C/I 2 MHz adjacent channel
C/I > 3 MHz adjacent channel
C/I Image channel
5
–25.0
–33.0
0
C/I 1 MHz adjacent to image channel
–13.0
Out-of-Band Blocking Performance (CW) f
30–2000 MHz
0.1% BER
–
–
–
–
–10.0
–27
–
–
–
–
dBm
dBm
dBm
dBm
2000–2399 MHz
2498–3000 MHz
3000 MHz–12.75 GHz
0.1% BER
0.1% BER
0.1% BER
–27
–10.0
Document Number: 002-14806 Rev. *C
Page 34 of 52
PRELIMINARY
CYW20713
Table 21. Receiver RF Specificationsa, b (Cont.)
Parameter
Conditions
Minimum
Typical c
Maximum
Unit
Out-of-Band Blocking Performance, Modulated Interferer
776–764 MHz
CDMA
–
–
–
–
–
–
–
–
–
–15
–15
–20
–10
–10
–15
–15
–25
–25
–
–
–
–
–
–
–
–
–
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
824–849 MHz
CDMA
1850–1910 MHz
824–849 MHz
CDMA
EDGE/GSM
EDGE/GSM
EDGE/GSM
EDGE/GSM
WCDMA
WCDMA
880–915 MHz
1710–1785 MHz
1850–1910 MHz
1850–1910 MHz
1920–1980 MHz
Intermodulation Performance g
BT, Df = 5 MHz
–
–39.0
–
–
dBm
Spurious Emissions h
30 MHz to 1 GHz
1 GHz to 12.75 GHz
65 MHz to 108 MHz
746 MHz to 764 MHz
851–894 MHz
–
–
–
–
–
–
–
–
–
–
–
–57
–47
–
dBm
–
–
dBm
FM Rx
CDMA
CDMA
EDGE/GSM
EDGE/GSM
PCS
–145
–145
–145
–145
–145
–145
–145
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
–
–
925–960 MHz
–
1805–1880 MHz
1930–1990 MHz
2110–2170 MHz
–
–
WCDMA
–
a. All specifications are single ended. Unused inputs are left open.
b. All specifications, except typical, are for industrial temperatures. For details see Table 20 on page 33.
c. Typical operating conditions are 1.22V operating voltage and 25°C ambient temperature.
d. The receiver sensitivity is measured at BER of 0.1% on the device interface.
e. Measured with the dirty transmitter OFF. Typically, there is approximately 1 dB less in Rx sensitivity when the dirty transmitter is ON.
f. Meets this specification using front-end band pass filter.
g. f0 = -64 dBm Bluetooth-modulated signal, f1 = –39 dBm sine wave, f2 = –39 dBm Bluetooth-modulated signal, f0 = 2f1 – f2, and |f2 – f1| = n*1 MHz, where n is 3, 4,
or 5. For the typical case, n = 5.
h. Includes baseband radiated emissions.
Document Number: 002-14806 Rev. *C
Page 35 of 52
PRELIMINARY
CYW20713
Table 22. Transmitter RF Specifications a, b
Parameter
General
Conditions
Minimum
Typical
Maximum
Unit
Frequency range
–
–
–
–
–
2402
6.5
4.5
–1.5
2
–
10
8
2480
MHz
dBm
dBm
dBm
dB
Class1: GFSK Tx power c
Class1: EDR Tx power d
Class 2: GFSK Tx power
Power control step
–
–
–
6
2
4
Modulation Accuracy
p/4-DQPSK Frequency Stability
p/4-DQPSK RMS DEVM
p/4-QPSK Peak DEVM
p/4-DQPSK 99% DEVM
8-DPSK frequency stability
8-DPSK RMS DEVM
8-DPSK Peak DEVM
8-DPSK 99% DEVM
–
–
–
–
–
–
–
–
–10
–
–
–
–
–
–
–
–
–
10
20
35
30
10
13
25
20
kHz
%
–
%
–
%
–10
–
kHz
%
–
%
–
%
In-Band Spurious Emissions
+500 kHz
–
–
–
–
–
–
–
–
–
–
–
–
–20
–26
–20
–40
dBc
dBc
1.0 MHz < |M – N| < 1.5 MHz
1.5 MHz < |M – N| < 2.5 MHz
|M – N| > 2.5 MHz
dBm
dBm
Out-of-Band Spurious Emissions
30 MHz to 1 GHz
–
–
–
–
–
–
–
–
–
–
–
–
–36.0 e
–30.0 e, f
–47.0
dBm
dBm
dBm
dBm
1 GHz to 12.75 GHz
1.8 GHz to 1.9 GHz
5.15 GHz to 5.3 GHz
–47.0
GPS Band Noise Emission (without a front-end band pass filter)
1572.92 MHz to 1577.92 MHz
Out-of-Band Noise Emissions (without a front-end band pass filter)
–
–
–150
–127
dBm/Hz
65 MHz to 108 MHz
FM Rx
CDMA
–
–
–
–
–
–
–
–145
–145
–145
–145
–145
–145
–145
–
–
–
–
–
–
–
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
dBm/Hz
746 MHz to 764 MHz
869 MHz to 960 MHz
925 MHz to 960 MHz
1805 MHz to 1880 MHz
1930 MHz to 1990 MHz
2110 MHz to 2170 MHz
CDMA
EDGE/GSM
EDGE/GSM
PCS
WCDMA
a. All specifications are for industrial temperatures. For details, see Table 20 on page 33.
b. All specifications are single-ended. Unused input are left open.
c. +10 dBm output for GFSK measured with VDDTF = 2.9 V.
d. +8 dBm output for EDR measured with VDDTF = 2.9 V.
e. Maximum value is the value required for Bluetooth qualification.
f. Meets this spec using a front-end band-pass filter.
Document Number: 002-14806 Rev. *C
Page 36 of 52
PRELIMINARY
CYW20713
8.3 Timing and AC Characteristics
In this section, use the numbers listed in the reference column to interpret the timing diagrams.
8.3.1 Startup Timing
There are two basic startup scenarios. In one scenario, the chip startup and firmware boot is held off while the RST_N pin is asserted.
In the second scenario, the chip startup and firmware boot is directly triggered by the chip power-up. In this case, an internal power-
on reset (POR) is held for a few ms, after which the chip commences startup.
The global reset signal in the CYW20713 is a logical OR (actually a wired AND, since the signals are active low) of the RST_N input
and the internal POR signals. The last signal to be released determines the time at which the chip is released from reset. The POR
is typically asserted for 3 ms after VDDC crosses the 0.8V threshold, but it may be as soon as 1.5 ms after this event.
After the chip is released from reset, both startup scenarios follow the same sequence, as follows:
5. After approximately 120 s, the CLK_REQ (GPIO_5) signal is asserted.
6. The chip remains in sleep state for a minimum of 4.2 ms.
7. If present, the TCXO and LPO clocks must be oscillating by the end of the 4.2 ms period.
If a TCXO clock is not in the system, a crystal is assumed to be present at the XIN and XOUT pins. If an LPO clock is not used, the
firmware will detect the absence of a clock at the LPO_IN lead and use the internal LPO clock instead.
Figure 10 and Figure 11 on page 38 illustrate the two startup timing scenarios.
Figure 10. Startup Timing from RST_N
trampmax = 200
μs
VDDIO, VBAT, REG_EN*
VREG
VDDC > 0.8V
μs
t = 300
RST_N
t = 64 to 171 μs
GPIO5 (CLK_REQ)
t
max = 4.2 ms
TCXO
LPO
Document Number: 002-14806 Rev. *C
Page 37 of 52
PRELIMINARY
CYW20713
Figure 11. Startup Timing from Power-on Reset
trampmax = 200 µs
VDDIO, VBAT, REG_EN*
VREG
VDDC > 0.8V
t = 300 µs
tmin = 1.5 ms
Internal POR
t = 64 to 171 µs
GPIO5 (CLK_REQ)
tmax = 4.2 ms
TCXO
LPO
8.3.2 UART Timing
Table 23. UART Timing Specifications
Reference
Characteristics
Minimum
Maximum
Unit
Baudout cycles
ns
1
2
3
Delay time, UART_CTS_N low to UART_TXD valid
Setup time, UART_CTS_N high before midpoint of stop bit
Delay time, midpoint of stop bit to UART_RTS_N high
–
–
–
24
10
2
Baudout cycles
Figure 12. UART Timing
UART_CTS_N
UART_TXD
2
1
Midpoint of STOP
bit
Midpoint of STOP
bit
UART_RXD
3
UART_RTS_N
Document Number: 002-14806 Rev. *C
Page 38 of 52
PRELIMINARY
CYW20713
8.3.3 PCM Interface Timing
Table 24. PCM Interface Timing Specifications (Short Frame Synchronization, Master Mode)
Reference
Characteristics
Minimum
Maximum
Unit
kHz
ns
1
2
3
4
5
6
7
8
9
PCM bit clock frequency
PCM bit clock HIGH time
PCM bit clock LOW time
128
128
209
–
2048
–
–
ns
Delay from PCM_BCLK rising edge to PCM_SYNC high
Delay from PCM_BCLK rising edge to PCM_SYNC low
Delay from PCM_BCLK rising edge to data valid on PCM_OUT
Setup time for PCM_IN before PCM_BCLK falling edge
Hold time for PCM_IN after PCM_BCLK falling edge
50
50
50
–
ns
–
ns
–
ns
50
10
–
ns
–
ns
Delay from falling edge of PCM_BCLK during last bit period to
PCM_OUT becoming high impedance
50
ns
Figure 13. PCM Interface Timing (Short Frame Synchronization, Master Mode)
2
1
3
PCM_BCLK
PCM_SYNC
4
5
6
9
HIGH
IMPEDENCE
Bit 15 (Previous Frame)
Bit 15
Bit 0
PCM_OUT
PCM_IN
7
8
Bit 15 (Previous Frame)
Bit 0
Bit 15
Document Number: 002-14806 Rev. *C
Page 39 of 52
PRELIMINARY
CYW20713
Table 25. PCM Interface Timing Specifications (Short Frame Synchronization, Slave Mode)
Reference
Characteristics
Minimum
Maximum
Unit
kHz
ns
1
2
3
4
5
6
7
8
9
PCM bit clock frequency
PCM bit clock HIGH time
PCM bit clock LOW time
128
209
209
50
10
–
2048
–
–
ns
Setup time for PCM_SYNC before falling edge of PCM_BCLK
Hold time for PCM_SYNC after falling edge of PCM_BCLK
Hold time of PCM_OUT after PCM_BCLK falling edge
Setup time for PCM_IN before PCM_BCLK falling edge
Hold time for PCM_IN after PCM_BCLK falling edge
–
ns
–
ns
175
–
ns
50
10
–
ns
–
ns
Delay from falling edge of PCM_BCLK during last bit period
to PCM_OUT becoming high impedance
100
ns
Figure 14. PCM Interface Timing (Short Frame Synchronization, Slave Mode)
2
1
3
PCM_BCLK
PCM_SYNC
4
5
6
9
HIGH
IMPEDENCE
Bit 15 (Previous Frame)
Bit 0
Bit 15
PCM_OUT
PCM_IN
7
8
Bit 15 (Previous Frame)
Bit 0
Bit 15
Document Number: 002-14806 Rev. *C
Page 40 of 52
PRELIMINARY
CYW20713
Table 26. PCM Interface Timing Specifications (Long Frame Synchronization, Master Mode)
Reference
Characteristics
Minimum
128
Maximum
Unit
kHz
ns
1
2
3
4
PCM bit clock frequency
PCM bit clock HIGH time
PCM bit clock LOW time
2048
–
209
209
–
ns
Delay from PCM_BCLK rising edge to PCM_SYNC HIGH during first bit
time
–
50
ns
5
Delay from PCM_BCLK rising edge to PCM_SYNC LOW during third bit
time
–
50
ns
6
7
8
9
Delay from PCM_BCLK rising edge to data valid on PCM_OUT
Setup time for PCM_IN before PCM_BCLK falling edge
Hold time for PCM_IN after PCM_BCLK falling edge
–
50
10
–
50
–
ns
ns
ns
ns
–
Delay from falling edge of PCM_BCLK during last bit period to
PCM_OUT becoming high impedance
50
Figure 15. PCM Interface Timing (Long Frame Synchronization, Master Mode)
2
1
3
PCM_BCLK
PCM_SYNC
4
5
6
9
HIGH
IMPEDENCE
Bit 0
Bit 1
Bit 2
Bit 15
PCM_OUT
PCM_IN
7
8
Bit 0
Bit 1
Bit 2
Bit 15
Document Number: 002-14806 Rev. *C
Page 41 of 52
PRELIMINARY
CYW20713
Table 27. PCM Interface Timing Specifications (Long Frame Synchronization, Slave Mode)
Reference
Characteristics
Minimum
128
Maximum
Unit
kHz
ns
1
2
3
4
PCM bit clock frequency.
PCM bit clock HIGH time.
PCM bit clock LOW time.
2048
209
–
–
–
209
ns
Setup time for PCM_SYNC before falling edge of PCM_BCLK during
first bit time.
50
ns
5
6
Hold time for PCM_SYNC after falling edge of PCM_BCLK during
second bit period. (PCM_SYNC may go low any time from second bit
period to last bit period).
10
–
–
ns
ns
Delay from rising edge of PCM_BCLK or PCM_SYNC
(whichever is later) to data valid for first bit on PCM_OUT.
50
7
8
Hold time of PCM_OUT after PCM_BCLK falling edge.
Setup time for PCM_IN before PCM_BCLK falling edge.
Hold time for PCM_IN after PCM_BCLK falling edge.
–
50
10
–
175
–
ns
ns
ns
ns
9
–
10
Delay from falling edge of PCM_BCLK or PCM_SYNC
(whichever is later) during last bit in slot to PCM_OUT becoming high
impedance.
100
Figure 16. PCM Interface Timing (Long Frame Synchronization, Slave Mode)
2
1
PCM_BCLK
PCM_SYNC
3
4
5
7
6
10
HIGH
IMPEDENCE
Bit 0
Bit 1
Bit 15
PCM_OUT
PCM_IN
8
9
Bit 0
Bit 1
Bit 15
Document Number: 002-14806 Rev. *C
Page 42 of 52
PRELIMINARY
CYW20713
8.3.4 BSC Interface Timing
Table 28. BSC Interface Timing Specifications
Reference
Characteristics
Minimum
Maximum
Unit
1
Clock frequency
–
100
400
kHz
800
1000
2
3
START condition setup time
START condition hold time
Clock low time
650
280
650
280
0
–
–
ns
ns
ns
ns
ns
ns
ns
ns
ns
4
–
5
Clock high time
–
6
Data input hold timea
Data input setup time
STOP condition setup time
Output valid from clock
Bus free timeb
–
7
100
280
–
–
8
–
9
400
–
10
650
a. As a transmitter, 300 ns of delay is provided to bridge the undefined region of the falling edge of SCL to avoid unintended generation of START or STOP conditions
b. Time that the CBUS must be free before a new transaction can start.
Figure 17. BSC Interface Timing Diagram
1
5
SCL
2
4
7
8
6
3
SDA
IN
10
9
SDA
OUT
Document Number: 002-14806 Rev. *C
Page 43 of 52
PRELIMINARY
CYW20713
8.4 I2S Interface
The CYW20713 supports two independent I2S digital audio ports. The I2S interface supports both master and slave modes. The I2S
signals are:
■ I2S clock: I2S SCK
■ I2S Word Select: I2S WS
■ I2S Data Out: I2S SDO
■ I2S Data In: I2S SDI
I2S SCK and I2S WS become outputs in master mode and inputs in slave mode, while I2S SDO always stays as an output. The channel
word length is 16 bits and the data is justified so that the MSB of the left-channel data is aligned with the MSB of the I2S bus, per the
I2S specification. The MSB of each data word is transmitted one bit clock cycle after the I2S WS transition, synchronous with the falling
edge of bit clock. Left-channel data is transmitted when I2S WS is low, and right-channel data is transmitted when I2S WS is high.
Data bits sent by the CYW20713 are synchronized with the falling edge of I2S_SCK and should be sampled by the receiver on the
rising edge of I2S_SCK.
The clock rate in master mode is either of the following:
48 kHz x 32 bits per frame = 1.536 MHz
48 kHz x 50 bits per frame = 2.400 MHz
The master clock is generated from the input reference clock using a N/M clock divider.
In the slave mode, any clock rate is supported to a maximum of 3.072 MHz.
Document Number: 002-14806 Rev. *C
Page 44 of 52
PRELIMINARY
CYW20713
8.4.1 I2S Timing
Note: Timing values specified in Table 29 are relative to high and low threshold levels.
Table 29. Timing for I2S Transmitters and Receivers
Transmitter
Receiver
Lower Limit Upper Limit
Min. Max.
Lower LImit
Upper Limit
Notes
Min.
Max.
Min.
Max.
Min.
Max.
a
Clock Period T
T
–
–
–
T
–
–
–
tr
r
Master Mode: Clock generated by transmitter or receiver
b
b
HIGH tHC
LOWtLC
0.35T
0.35T
–
–
–
–
–
–
0.35T
0.35T
–
–
–
–
–
–
tr
tr
tr
tr
Slave Mode: Clock accepted by transmitter or receiver
c
c
d
HIGH tHC
–
–
–
0.35T
0.35T
–
–
–
–
–
–
–
–
–
0.35T
0.35T
–
–
–
–
–
–
tr
tr
tr
LOW tLC
tr
Rise time tRC
0.15T
tr
Transmitter
e
d
Delay tdtr
–
0
–
–
–
–
0.8T
–
–
–
–
–
–
–
–
Hold time thtr
–
Receiver
f
f
Setup time tsr
Hold time thr
–
–
–
–
–
–
–
–
–
–
0.2T
0
–
–
–
–
r
a. The system clock period T must be greater than Ttr and Tr because both the transmitter and receiver have to be able to handle the data transfer
rate.
b. At all data rates in master mode, the transmitter or receiver generates a clock signal with a fixed mark/space ratio. For this reason, tHC and
tLC are specified with respect to T.
c. In slave mode, the transmitter and receiver need a clock signal with minimum HIGH and LOW periods so that they can detect the signal. So
long as the minimum periods are greater than 0.35Tr, any clock that meets the requirements can be used.
d. Because the delay (tdtr) and the maximum transmitter speed (defined by Ttr) are related, a fast transmitter driven by a slow clock edge can
result in tdtr not exceeding tRC which means thtr becomes zero or negative. Therefore, the transmitter has to guarantee that thtr is greater than
or equal to zero, so long as the clock rise-time tRC is not more than tRCmax, where tRCmax is not less than 0.15Ttr.
e. To allow data to be clocked out on a falling edge, the delay is specified with respect to the rising edge of the clock signal and T, always giving
the receiver sufficient setup time.
f. The data setup and hold time must not be less than the specified receiver setup and hold time.
Note: The time periods specified in Figure 18 and Figure 19 are defined by the transmitter speed. The receiver specifications must
match transmitter performance.
Document Number: 002-14806 Rev. *C
Page 45 of 52
PRELIMINARY
CYW20713
Figure 18. I2S Transmitter Timing
T
tRC
*
tLC > 0.35T
tHC > 0.35T
VH = 2.0V
SCK
VL = 0.8V
thtr > 0
totr < 0.8T
SD and WS
T = Clock period
Ttr = Minimum allowed clock period for transmitter
T = Ttr
* tRC is only relevant for transmitters in slave mode.
Figure 19. I2S Receiver Timing
T
tLC > 0.35T
tHC > 0.35
VH = 2.0V
VL = 0.8V
SCK
tsr > 0.2T
thr > 0
SD and WS
T = Clock period
Tr = Minimum allowed clock period for transmitter
T > Tr
Document Number: 002-14806 Rev. *C
Page 46 of 52
PRELIMINARY
CYW20713
9. Mechanical Information
Figure 20. CYW20713A1KUFBXG Mechanical Drawing
Document Number: 002-14806 Rev. *C
Page 47 of 52
PRELIMINARY
CYW20713
Figure 21. 42-Bump CYW20713A1KUBG Mechanical Drawing
Document Number: 002-14806 Rev. *C
Page 48 of 52
PRELIMINARY
CYW20713
9.1 Tape, Reel, and Packing Specification
Figure 22. Reel, Labeling, and Packing Specification
Device Orientation/Mix Lot Number
Each reel may contain up to three lot numbers, independent of the date code.
Individual lots must be labeled on the box, moisture barrier bag, and the reel.
Pin 1
Top-right corner toward sprocket holes.
Moisture Barrier Bag Contents/Label
Desiccant pouch (minimum 1)
Humidity indicator (minimum 1)
Reel (maximum 1)
Document Number: 002-14806 Rev. *C
Page 49 of 52
PRELIMINARY
CYW20713
10. Ordering Information
Table 30 lists available part numbers and describes differences in package type, available I/O, and functional configuration. See the
referenced figures and tables for mechanical drawings and package I/O information.
All packages are rated from –40°C to +85°C.
Table 30. Part Ordering Information
Strapped Configu-
ration
Dedicated Coexa, more GPIO, TM0b TCXO AND/OR
Part Number
Package Type
50-ball FPBGA,
Functional I/O Features
CYW20713A1KUFBXG
4.5 mm x 4.0 mm x 0.6 mm.
Table 9 on page 27
mode enabled
See Figure 20 on page 47.
CYW20713A1KUBG
42-bump WLBGA,
3.02 mm x 2.51 mm x 0.55 mm.
See Figure 21 on page 48.
Table 10 on page 28
TCXO AND/OR
mode enabled
a. All packages support coexistence features through the ability to re-purpose most digital I/O based on the desired user configuration. Package include balls coexistence
functionality (default).
b. TM0 allows configuration of CLK_REQ output polarity.
Document Number: 002-14806 Rev. *C
Page 50 of 52
PRELIMINARY
CYW20713
Document History
Document Title: CYW20713 Single-Chip Bluetooth Transceiver and Baseband Processor
Document Number: 002-14806
Orig. of Submission
Revision
ECN
Description of Change
Change
Date
20713-DS100-R
Initial release
**
–
–
08/14/14
20713-DS101-R
Updated:
–
*A
–
10/16/14
■ General description on page 1.
20713-DS102-R
Added:
*B
*C
–
–
12/22/15
10/20/16
■ “I2S Interface” on page 57
5482527
UTSV
Updated to Cypress Template
Document Number: 002-14806 Rev. *C
Page 51 of 52
PRELIMINARY
CYW20713
Sales, Solutions, and Legal Information
Worldwide Sales and Design Support
Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office
closest to you, visit us at Cypress Locations.
Products
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cypress.com/arm
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PSoC 1 | PSoC 3 | PSoC 4 | PSoC 5LP
Automotive
Cypress Developer Community
Clocks & Buffers
Interface
Forums | WICED IoT Forums | Projects | Video | Blogs |
Training | Components
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Technical Support
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52
© Cypress Semiconductor Corporation, 2014-2016. This document is the property of Cypress Semiconductor Corporation and its subsidiaries, including Spansion LLC (“Cypress”). This document,
including any software or firmware included or referenced in this document (“Software”), is owned by Cypress under the intellectual property laws and treaties of the United States and other countries
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Cypress, the Cypress logo, Spansion, the Spansion logo, and combinations thereof, WICED, PSoC, CapSense, EZ-USB, F-RAM, and Traveo are trademarks or registered trademarks of Cypress in
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Document Number: 002-14806 Rev. *C
Revised October 20, 2016
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