F85226FG [FINTEK]
LPC to ISA Bridge; LPC到ISA桥型号: | F85226FG |
厂家: | FEATURE INTEGRATION TECHNOLOGY INC. |
描述: | LPC to ISA Bridge |
文件: | 总44页 (文件大小:1073K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
F85226
F85226F/FG
LPC to ISA Bridge
Release Date: July, 2007
Revision: V0.25P
Feature Integration Technology Inc.
Fintek
F85226 Datasheet Revision History
Version
0.10P
0.20P
0.21P
Date
Page
Revision History
2003/12/18
2003/12/23
2003/12/29
Original version (Non Register Description)
Added register and application circuit
Removed PCI5v Item of pin descriptions
Revised the type description of pin 92 from INts to O24
Revised features : Fully ISA bridge support except bus
master (By conditions)
3
5
1
0.22P
2004/5/30
4
-
Revised ROMCS#/ROM_EN pin’s description
Revised register descriptions
0.23P
0.24P
0.25P
2004/8/17
2005/04/15
2007/7/5
37
34
-
Update application circuit
Added “Green Package” ordering information
Company readdress
Please note that all data and specifications are subject to change without notice. All the trade marks of products and
companies mentioned in this data sheet belong to their respective owners.
LIFE SUPPORT APPLICATIONS
These products are not designed for use in life support appliances, devices, or systems where malfunction of these
products can reasonably be expected to result in personal injury. Customers using or selling these products for use
in such applications do so at their own risk and agree to fully indemnify Fintek for any damages resulting from such
improper use or sales.
I
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
Table of Contents
1. General Description.............................................................................................................. 1
2. Features ............................................................................................................................... 1
3. Key Specifications ................................................................................................................ 1
4. Block Diagram ...................................................................................................................... 2
5. Pin Configuration.................................................................................................................. 3
6. Pin Descriptions.................................................................................................................... 3
6.1 Power Pin ....................................................................................................................... 4
6.2 Power on strapping signal .............................................................................................. 4
6.3 LPC interface..................................................................................................................4
6.4 ISA interface ................................................................................................................... 5
7. Function Description........................................................................................................... 10
7.1 LPC interface:............................................................................................................... 10
7.1.1 IO/Memory Read and Write Cycles ........................................................................... 12
7.1.2 DMA Read and Write Cycles ..................................................................................... 12
7.1.3 Booting Memory Read and Write Cycles ................................................................... 12
7.2 Serialized Interrupt........................................................................................................ 13
7.3 LPC DMA...................................................................................................................... 14
8. Registers Description ......................................................................................................... 15
8.1 Entry Key. ..................................................................................................................... 15
8.2 Configuration and Control Register – Index 03h........................................................... 15
8.3 GPIO1 Function Select Register – Index 04h ............................................................... 16
8.4 GPIO2 Function Select Register – Index 05h ............................................................... 17
8.5 System Clock Register – Index 06h.............................................................................. 17
8.6 System Power down Register – Index 10h................................................................... 18
8.7 GPIO Port Define Register (Low byte)– Index 11h ....................................................... 18
8.8 GPIO Port Define Register (High byte)– Index 12h ...................................................... 19
8.9 Address Decoder Register (I) – Index 013h.................................................................. 19
8.10 Address Decoder Register (II) – Index 014h............................................................... 20
8.11 GPIO Input Control Register – Index 15h.................................................................... 20
8.12 GPIO Output Data Register – Index 16h..................................................................... 21
8.13 GPIO1x Input Register – Index 17h............................................................................ 21
8.14 GPIO2 Input Control Register – Index 18h ................................................................. 22
8.15 GPIO2 Output Data Register – Index 19h................................................................... 22
8.16 GPIO2 Input Register – Index 1Ah ............................................................................. 23
8.17 LED & IRQIN Control Register – Index 1Bh ............................................................... 23
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July, 2007
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Feature Integration Technology Inc.
Fintek
8.18 Master Setting Register – Index 1Ch.......................................................................... 23
8.19 Master Setting Register – Index 1Dh.......................................................................... 24
8.20 Refresh Address Register (Low Byte) – Index 1Eh..................................................... 24
8.21 Refresh Address Register (High Byte) – Index 1Fh .................................................... 24
8.22 Address1 Decode Mask Register – Index 20h............................................................ 24
8.23 Address1 Decode Register (Low Byte) – Index 21h ................................................... 24
8.24 Address1 Decode Register (High Byte) – Index 22h .................................................. 25
8.25 Address2 Decode Mask Register – Index 23h............................................................ 25
8.26 Address2 Decode Register (Low Byte) – Index 24h ................................................... 25
8.27 Address2 Decode Register (High Byte) – Index 25h .................................................. 25
8.28 ROM1 Decoder Mask Low Byte Register – Index 0x28.............................................. 26
8.29 ROM Decoder Mask (High Byte) Register – Index 0x29............................................. 26
8.30 ROM Decoder Address (Low Byte) Register – Index 0x2A......................................... 26
8.31 ROM Decoder Address (High Byte) Register – Index 0x2B........................................ 26
8.32 ROM2 Decoder Mask Low Byte Register – Index 0x2C ............................................. 27
8.33 ROM2 Decoder Mask (High Byte) Register – Index 0x2D.......................................... 27
8.34 ROM2 Decoder Address (Low Byte) Register – Index 0x2E....................................... 27
8.35 ROM2 Decoder Address (High Byte) Register – Index 0x2F ...................................... 27
8.36 ADDR3 Decoder Mask High Byte Register – Index 0x30 ........................................... 28
8.37 ADDR3 Decoder Address Low Byte Register – Index 0x31........................................ 28
8.38 ADDR3 Decoder Address High Byte Register – Index 0x32....................................... 28
8.39 ADDR4 Decoder Mask High Byte Register – Index 0x33 ........................................... 28
8.40 ADDR4 Decoder Address Low Byte Register – Index 0x34........................................ 29
8.41 ADDR4 Decoder Address High Byte Register – Index 0x35....................................... 29
8.42 KBC Decoder Mask Register – Index 0x36 ................................................................ 29
8.43 KBC Decoder Address Low Byte Register – Index 0x37 ............................................ 30
8.44 KBC Decoder Address High Byte Register – Index 0x38............................................ 30
8.45 MC Decoder Mask Register – Index 0x39 .................................................................. 30
8.46 MC Decoder Address Low Byte Register – Index 0x3A.............................................. 30
8.47 MC Decoder Address High Byte Register – Index 0x3B............................................. 31
8.48 RTC Decoder Mask Register – Index 0x3C................................................................ 31
8.49 RTC Decoder Address Low Byte Register – Index 0x3D............................................ 31
8.50 RTC Decoder Address High Byte Register – Index 0x3E ........................................... 31
8.51 IOH Decoder Mask Register – Index 0x3F ................................................................. 32
8.52 IOH Decoder Address Low Byte Register – Index 0x40 ............................................. 32
8.53 IOH Decoder Address High Byte Register – Index 0x41............................................. 32
8.54 Edge Detector Status Register – Index 0x50 .............................................................. 32
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Feature Integration Technology Inc.
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8.55 IRQ Wakeup Register (I) – Index 0x51 ....................................................................... 33
8.56 IRQ Wakeup Register (II) – Index 0x52 ...................................................................... 33
8.57 CHIPID (1) Register – Index 5Ah................................................................................ 33
8.58 CHIPID (2) Register – Index 5Bh................................................................................ 33
8.59 VERSION Register – Index 5Ch................................................................................. 34
8.60 VENDOR ID (1) Register – Index 5Dh........................................................................ 34
8.61 VENDOR ID (2) Register – Index 5Eh........................................................................ 34
Ordering Information......................................................................................................... 34
Electrical characteristic .................................................................................................... 34
9.1 Absolute Maximum Ratings .......................................................................................... 34
9.2 DC Characteristics........................................................................................................ 35
Package specification ...................................................................................................... 36
Application Circuit ............................................................................................................ 37
9.
10.
11.
12.
IV
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
1. General Description
The F85226 is a LPC to ISA Bridge IC for new generation chipset which is no support for ISA bus and
slots. However the demand of ISA devices still exists. Therefore LPC to ISA Bridge IC is necessary to be
used for new chipset system. The F85226 is the best selection even though there is the PCI to ISA Bridge
for supporting ISA device, because the issue of package size is critical for layout requirement. Follows the
point at these issues, the F85226 is optimal solution for the non-ISA chipset, the package of F85226 will be
the best chosen for economic solution and save the layout size of Motherboard.
The F85226 absolutely meets LPC spec. 1.1 and supports fully ISA interface. Provides multi-ISA
compatible slots without buffering and supports ISA parallel IRQ transfer to serial IRQ by IRQ Serialier. The
F85226 also provides programmable general purpose I/O pins for user. It is completely LPC to ISA bridge
specialized chip.
2. Features
Meets LPC spec. 1.1
Supports LDRQ#(LPC DMA), SERIRQ(Serial IRQ)
Fully ISA bridge support except bus master(By conditions)
Supports 8/16bit I/O and memory R/W
All software transparent
All ISA signals can be isolate
ISA parallel IRQ transfer to serial IRQ by IRQ Serialier
Supports multi-slots without buffering
Supports the PCI clock to divide by 3 or 4 for ISA bus
Supports to generate two 14.318MHz buffer out from one 14.318MHz in
4 sets of address decoder supported
Supports programmable general purpose I/O pins
Powered by 3Vcc (Signal 5V tolerance)
128pin PQFP package
3. Key Specifications
Supply Voltage
Operating Supply current
3.0v to 3.6v
4mA typ.
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4. Block Diagram
CLK
14MOUT1
14MOUT2
14.318M
GEN./BUF
.
Power
3.3V
Supply
SA [19:0]
SD [15:0]
AEN
BALE
Signal
Power
Down
IOCHRDY
ISA
PWRDN#
Control
Interface
PCIRST#
LFRAM#
LDRQ#
PCICLK
SERIRQ
LAD [3:0]
LPC
IRQ [3:7,9:12,14,15]
DRQ [0:3,5:7]
DACK [0:3,5:7]
Interface
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5. Pin Configuration
F85226
6. Pin Descriptions
I/O24ts
- TTL level bi-directional pin and Schmitt trigger with 24 mA source-sink capability.
I/OD24ts_u100k - TTL level input pin and Schmitt trigger, Open-drain output with 24 mA sink capability, internal pull-up
100KΩ connected with 3.3V to protect electric leakage.
I/O24ts_u100k - TTL level input pin and Schmitt trigger, Output pin with 24 mA sink capability, internal pull-up 100KΩ
connected with 3.3V to protect electric leakage.
- Output pin with 24 mA source-sink capability, internal pull-up 100KΩ
connected with 3.3V to protect electric leakage.
- Output pin with 24 mA source-sink capability.
3.3V
100K
O24_u100k
O24
O20
- Output pin with 20 mA source-sink capability.
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INt
INts
P
- TTL level input pin.
- TTL level input pin and schmitt trigger.
- Power.
6.1
Power Pin
Pin No.
Pin Name
VDD3V
GND
Type
P
Description
Standard Power Supply Voltage Input with 3.3V.
Ground.
5, 20, 25, 45, 55, 70, 85, 105, 120
15, 30, 50, 60, 80, 95, 110, 125
P
6.2
Power on strapping signal
Pin No
Pin Name
Type
PWR
Description
Power-on strapping with external pulled-down resistor 10k will
enable K/B and mouse functions. When it is set, pin 38, 39 and 40
will execute IRQ1, KBCS# and MCCS# signals.
I/OD24ts_u100k
(5V-tolerance)
36
80PCS#/KBEN#
VDD3v
Power-on strapping without internal resister, need external
pulled-up resistor to enable CR03h (BIOS_ROM_EN bit) If there is
a boot-ROM (BIOS). Else if without boot-ROM, please use external
pulled-down 10K resister to disable this BIOS_ROM_EN.
Power-on strapping with external pulled-down 10k resistor will
enable RTC functions. When it is set, pin 64 and 65 will do IRQ8
and RTCCS# signals.
Set this function will change the port that is used to access
configuration registers. Default setting is 4Eh, but by power-on
strapping with a external pulled-down 10k resister change to 2Eh.
Power-on strapping with external pulled-down 10k resistor. Then it
will disable LA [19:17] function and pin108~pin111, pin29 use as
GPIO2X function.
I/O24ts
(5V-tolerance)
37
ROMCS#/ROM_EN
VDD3v
I/O24ts_u100k
(5V-tolerance)
126
128
2
DACK7#/RTCEN#
DACK6#/HEFRAS
DACK5#/EN_GP2X
VDD3v
VDD3v
VDD3v
I/O24ts_u100k
(5V-tolerance)
I/O24ts_u100k
(5V-tolerance)
6.3
LPC interface
Pin No.
Pin Name
Type
PWR
Description
Multiplexed command, address bi-directional data and cycle status.
Through the LPC bus between a host and a peripheral.
VDD3v
16-19
LAD[3:0]
I/O24ts
Low pulse indicates start of a new cycle or termination of broken
cycle.
VDD3v
VDD3v
13
21
LFRAME#
PCICLK
INts
INt
PCI clock used for the LPC bus. Same 33MHz clock as PCI clock
on the host. Same clock phase with typical PCI skew.
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PCI system reset used for the LPC bus. The Reset signal line can
be connected to PCIRST# signal on the host.
VDD3v
14
PCIRST#
INts
VDD3v
VDD3v
23
22
SERIRQ
LDRQ#
I/O24ts
O24
Serial IRQ Input/Output.
Encoded DMA Request signal.
Power Down. The signal is active low according to CR 44 Bit 7and
wake-up enable by hardware setting. There are eight different
power-down states (Power down Mode 3).
24
VDD3v
PWRDN#
INts
6.4
ISA interface
Pin No.
Pin Name
Type
PWR
Description
System Address Bus. These are the upper addresses that define
the ISA’s byte address space (up to 1 M byte). The SA [19:17] are
at tri-states during PCIRST#.
SA[19:17]
I/O24ts_u100k
(5V-tolerance)
58-56
VDD3v
54-51
49-46
44-41
I/O24ts_u100k
(5V-tolerance)
System Address Bus. These define the ISA’s byte address space
(up to 128K byte). The SD [16:0] are at tri-states during PCIRST#.
SA[16:0]
SD[15:0]
VDD3v
VDD3v
35-31
122-121
119-114
75-71
I/O24ts_u100k
(5V-tolerance)
System Data Bus. These provide 16-bit data for devices to reside
on the ISA Bus. The SD [15:0] are at tri-states during PCIRST#.
69-67
O24
Address Enable. AEN is asserted during DMA cycles, driven high
during F85226 initiated refresh cycles, driven low upon PCIRST#.
59
86
84
AEN
VDD3v
VDD3v
VDD3v
(5V-tolerance)
I/O24ts_u100k
(5V-tolerance)
I/O Read. IOR# is asserted to request an ISA I/O slave to drive
data onto the data bus.
IOR#
IOW#
I/O24ts_u100k
(5V-tolerance)
I/O Write. IOW# is asserted to request an ISA I/O slave to accept
data from the data bus.
I/O Channel Ready. IOCHDRY asserted indicates that an ISA
slave requires additional wait states. When the F85226 is an ISA
slave, IOCHRDY is an output indicating additional wait states are
required.
I/O24ts
(5V-tolerance)
61
IOCHRDY
VDD3v
ISA System Clock. SYSCLK offers the reference clock to the ISA
bus. The frequency is generated from dividing PCICLK by 3 or 4
(select by CR06 bit7).
92
77
SYSCLK
RSTDRV
O24
O24
VDD3v
VDD3v
Reset Drive. RSTDRV asserted indicates to reset devices that
reside on the ISA Bus while the PCIRST# has been asserted.
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I/O24ts
(5V-tolerance)
16-bit I/O Chip Select. IOCS16# is asserted by 16-bit ISA I/O
devices to indicate that they support 16-bit I/O bus cycles.
11
12
76
IOCS16#
VDD3v
VDD3v
VDD3v
Memory Chip Select 16. MEMCS16# is asserted by 16-bit ISA
memory devices to indicate that the memory slave supports 16-bit
accesses.
I/O24ts
(5V-tolerance)
MEMCS16#
IOCHCK#
INts
I/O Channel Check. Asserted by an ISA device indicating an error
condition.
(5V-tolerance)
Zero Wait States. An ISA slave asserts ZEROWS# after its
address and command signals have been decoded to indicate
that the current cycle can be executed as an ISA zero wait state
cycle. ZEROWS# has no effect during 16-bit I/O cycles.
Unlatched Address. The LA [23:20] address lines are
bi-directional. These address lines allow accesses to physical
memory on the ISA Bus up to 16 Mbytes. LA [23:20] are outputs
when the F85226 owns the ISA Bus.
INts
81
OWS#
VDD3v
VDD3v
(5V-tolerance)
103-104
106-107
I/O24ts_u100k
(5V-tolerance)
LA[23:20]
LA[19:17]
Unlatched Address. The LA [19:17] address lines are
bi-directional. These address lines allow accesses to physical
memory on the ISA Bus up to 16 Mbytes. LA [19:17] are outputs
when the F85226 owns the ISA Bus.
108-109
111
I/O24ts_u100k
(5V-tolerance)
VDD3v
GP23,
GP21
GP22,
General purpose I/O pin.
O24
Standard (system) Memory Write. SMEMW# is asserted for
memory write accesses below 1MB.
82
83
SMEMW#
SMEMR#
VDD3v
VDD3v
(5V-tolerance)
O24
Standard (system) Memory Read. SMEMR# is asserted for
memory read accesses below 1 MB.
(5V-tolerance)
Refresh Cycle indicator. REFRESH# asserted indicates that a
refresh cycle is in progress, or ISA master requests F85226 to
generate a refresh cycle. The signal is at tri-stated upon
PCIRST#.
O24_u100k
(5V-tolerance)
91
REFRESH#
VDD3v
Bus Address Latch Enable. BALE asserted indicates when the
address (SA[19:0], LA[23:17]) and SBHE# are valid. The LA
[23:17] address lines are latched on the trailing edge of BALE.
BALE is driven by low upon PCIRST#.
I/O24ts_u100k
(5V-tolerance)
101
102
BALE
VDD3v
VDD3v
System Byte High Enable. SBHE# asserted indicates that
SD[15:8] will be used to transfer a byte. SBHE# is at an unknown
state upon PCIRST#.
I/O24ts_u100k
(5V-tolerance)
SBHE#
I/O24ts_u100k
(5V-tolerance)
Memory Read. MEMR# asserted indicates the current ISA bus
cycle is a memory read.
112
113
MEMR#
MEMW#
VDD3v
VDD3v
I/O24ts_u100k
(5V-tolerance)
Memory Write. MEMW# asserted indicates the current ISA bus
cycle is a memory write.
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The MASTER# input asserted indicates an ISA bus master is
driving the ISA bus. This signal is executed with DREQ line by an
ISA master to gain control of the ISA Bus.
INts
123
MASTER#
VDD3v
(5V-tolerance)
INts
98
97
96
94
93
78
10
9
IRQ3
VDD3v
VDD3v
VDD3v
VDD3v
VDD3v
VDD3v
VDD3v
VDD3v
VDD3v
VDD3v
VDD3v
Parallel Interrupt Requested Input 3.
Parallel Interrupt Requested Input 4.
Parallel Interrupt Requested Input 5.
Parallel Interrupt Requested Input 6.
Parallel Interrupt Requested Input 7.
Parallel Interrupt Requested Input 9.
Parallel Interrupt Requested Input 10.
Parallel Interrupt Requested Input 11.
Parallel Interrupt Requested Input 12.
Parallel Interrupt Requested Input 14.
Parallel Interrupt Requested Input 15.
(5V-tolerance)
INts
IRQ4
(5V-tolerance)
INts
IRQ5
(5V-tolerance)
INts
IRQ6
(5V-tolerance)
INts
IRQ7
(5V-tolerance)
INts
IRQ9
(5V-tolerance)
INts
IRQ10
IRQ11
IRQ12
IRQ14
IRQ15
(5V-tolerance)
INts
(5V-tolerance)
INts
8
(5V-tolerance)
INts
6
(5V-tolerance)
INts
7
(5V-tolerance)
DMA Request input 0. The DREQ asserted indicates that either a
slave DMA device is requesting DMA services or an ISA bus
master is requesting to use the ISA bus.
INts
3
DRQ0
VDD3v
(5V-tolerance)
INts
90
79
88
1
DRQ1
DRQ2
DRQ3
DRQ5
VDD3v
VDD3v
VDD3v
VDD3v
DMA Request input 1.
DMA Request input 2.
DMA Request input 3.
DMA Request input 5.
(5V-tolerance)
INts
(5V-tolerance)
INts
(5V-tolerance)
INts
(5V-tolerance)
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INts
127
124
DRQ6
DRQ7
VDD3v
VDD3v
DMA Request input 6.
(5V-tolerance)
INts
DMA Request input 7.
(5V-tolerance)
DMA Acknowledge channel 0. The DACK# outputs asserted
indicates that either a DMA channel or an ISA bus master has
been granted the ISA bus.
O24
4
DACK0#
VDD3v
(5V-tolerance)
O24
89
99
87
DACK1#
DACK2#
DACK3#
DACK5#
VDD3v
VDD3v
VDD3v
DMA Acknowledge channel 1.
DMA Acknowledge channel 2.
DMA Acknowledge channel 3.
DMA Acknowledge channel 5.
(5V-tolerance)
O24
(5V-tolerance)
O24
(5V-tolerance)
I/O24ts_u100k
(5V-tolerance)
2
VDD3v
VDD3v
During power-on strapping with external pulled-down 10k resistor.
Then it will disable LA [19:17] function and pin108~pin111, pin29
use as GPIO2X function.
EN_GP2X
DACK6#
DMA Acknowledge channel 6.
During power-on reset, this pin is pulled-up internally(Select
4Eh) ,and is defined as HEFRAS which provides the power-on
value for CR3 bit4 .A 10k ohm is recommended if intends to pull
down .(Select 2Eh)
I/O24ts_u100k
(5V-tolerance)
128
HERFRA
DACK7#
RTCEN#
DMA Acknowledge channel 7.
I/O24ts_u100k
(5V-tolerance)
126
100
VDD3v
VDD3v
RTC Function Enable. The pin applies a pull-down resistor (4.7K
ohm) to enable RTC functions (RTCCS#, and IRQ8)
O24
Terminal Count. TC signals the final data transfer of a DMA
transfer.
TC
(5V-tolerance)
80h PORT Chip Select.(Default)
Only decode IO address port 80h and must apply with IOW#.
80PCS#
I/OD24ts_u100k
(5V-tolerance)
36
37
VDD3v
VDD3v
K/B Functions Enable. During power-on reset this pin is weak
pulled-up internally. The pin applied a pull-down resistor (10K
ohm) to enable K/B functions. (IRQ1,KBCS#,and MCCS#)
KBEN#
I/O24ts
(5V-tolerance)
ROMCS#, this pin enable positive decoder of BIOS address
range.
ROMCS#
8
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Power-on strapping with internal pulled-up resistor will enable
CR03h (BIOS_ROM_EN, BIOS_WR_EN bit). If there is a
boot-ROM (BIOS), else if without boot-ROM, please use external
pulled-down 10K resister to disable this ROM_EN and WR_EN.
ROM_EN
GPIO0
IRQ1
General purpose I/O pin 0.
I/O24ts
(5V-tolerance)
38
39
40
VDD3v
VDD3v
VDD3v
Parallel Interrupt Requested Input 1. This pin is used for specific
K/B functions.
GPIO1
KBCS#
General purpose I/O pin 1.
I/O24t
(5V-tolerance)
Decode address 60h and 64h to generate chip selected signal.
Enable by KBEN# power-on setting.
GPIO2
MCCS#
GPIO3
IRQIN
General purpose I/O pin 2.
I/O24ts
(5V-tolerance)
Decode address 62h and 66h to generate chip selected signal.
Enable by KBEN# power-on setting.
General purpose I/O pin 3.
I/O24ts
(5V-tolerance)
62
63
64
VDD3v
VDD3v
VDD3v
It is programmable to transfer parallel IRQ input to serial IRQ,
Enable by KBEN# power-on setting.
GPIO4
PLED
General purpose I/O pin 4.
I/O24ts
(5V-tolerance)
Power LED output, the signal is at low state after system reset.
GPIO5
IRQ8
General purpose I/O pin 5.
I/O24ts
(5V-tolerance)
Parallel Interrupt Requested Input 8. This interrupt request is used
for specific RTC functions. Enable by RTCEN# power-on setting.
GPIO6
RTCCS#
General purpose I/O pin 6.
I/O24ts
(5V-tolerance)
65
66
VDD3v
VDD3v
Decode address 70h and 71h to generate chip selected signal.
Enable by RTCEN# power-on setting.
GPIO7
General purpose I/O pin 7.
I/O24ts
(5V-tolerance)
Decode SA [15-11] all are at “0” state initially and setting by CR04
Bit 6.
IOHCS#
INts
26
27
28
29
14.318M
VDD3v
VDD3v
VDD3v
VDD3v
14.318 MHz Clock Input.
(5V-tolerance)
O20
O20
14MOUT 1
14MOUT 2
14.318 MHz Buffer Output 1.
14.318 MHz Buffer Output 2.
GP20
PLED
General purpose I/O pin.
I/O24ts
(5V-tolerance)
Power LED output, the signal is at low state after system reset.
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7. Function Description
7.1 LPC interface:
The F85226 implemented full functions that described in the LPC I/F 1.1 specification and transfers all
subtractive cycles from LPC bus to ISA interface for more ISA compatibility. The F85226 built in 16-bit IO/
Memory enhances transaction. Peripheral or Master devices can assert cycles that are not defined in
positive decode ranges of LPC Interface. All LPC bus signals use PCI electrical characteristics. The
following cycle types are supported by F85226.
z
z
z
z
IO read write (8 / 16 bit)
Memory read write (8 / 16 bit)
DMA read write (8/ 16 / 32 bit)
Firmware memory read write (only support size 8 or 16 bit).
eCycles:
S: Start Cycle
C: Command Type Cycle
Cycle Types
Encoding
Remark
S: 0x0h;
C: 0x0h
S: 0x0h;
C: 0x2h
S: 0x0h;
C: 0x4h
S: 0x0h;
C: 0x6h
S: 0x0h;
C: 0x8h
S: 0x0h;
C: 0xAh
S: 0xDh;
IO Read
Size: 8 bit and 16 bit in Enhanced mode, for LPC peripheral.
IO Write
Size: 8 bit and 16 bit in Enhanced mode, for LPC peripheral.
Size: 8 bit and 16 bit in Enhanced mode, for LPC peripheral and host.
Size: 8 bit and 16 bit in Enhanced mode, for LPC peripheral and host.
Size: 8, 16 and 32 bit, for LPC peripheral.
Memory Read
Memory Write
DMA Read
DMA Write
Size: 8, 16 and 32 bit, for LPC peripheral.
Booting Memory Read
Size: 8, 16, 32 and 1024 bit, for LPC peripheral.
Size: 8, 16, and 32 bit, for LPC peripheral.
Booting Memory Write
S: 0xEh;
Start:
The cycle indicates the beginning or abort of a transaction. When LFRAME# is asserted low and monitors
LAD[3:0] that determine frame type to enter a valid Start.
Cycle Type and Direction:
LPC host will issue the transaction cycle and direction by LAD[3:1] and LAD0 is always ignored.
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Size:
LPC host on DMA or bus master on memory transaction issue data size that will be transferred by LAD[1:0]
and LAD[3:2] must be driven 0x00b.
Turn-Around:
LPC host or peripheral will issue two clock wide cycles after turning control over to peripheral or turning
back from peripheral to host. LAD[3:0] should be driven to high level on first cycle and release to tri-state
on next one.
Address:
While doing IO transaction, this duration is four clock wide that indicates 16-bit address, on Memory cycles
there are eight clocks that indicates 32-bit address will be asserted by LPC host or Master. The duration is
not asserted on DMA transaction.
Channel and Terminal count:
Only on DMA transferring, LAD[2:0] signals indicate granted channel in one clock cycle. LAD[3] indicates
Terminal count down.
Data:
Each frame can carry one byte (8 bit), first nibble is Data[7;4] and next is Data[3:0].
SYNC:
LPC host or peripheral can add wait state, response error and ready to accept a frame by LAD[3:0].
0x0h: Ready
0x5h: Short Wait, maximum number of SYNC is 8 clocks.
0x6h: Long Wait, no maximum number.
0x9h: Ready More on DMA transaction.
0xAh: Error, it relates to IOCHK# on ISA interface.
Others: Reserved.
STA : .. Start Cycle
CT : .. Cycle Type and Direction
H_TAR: . Host Turn-Around
P_TAR: Peripheral Turn-Around
LCLK
LFRAME#
H_TAR
P_TAR
LAD[3:0]
STA
CT
Addr[15:0]/ [31:0]
SYNC
Data[7:0]
Figure: Read Cycles
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LCL
LFRAME#
LAD[3:0]
H_TAR
P_TAR
STA
CT
Addr[15:0]/ [31:0]
SYNC
Data[7:0]
Figure: Write Cycles
7.1.1 IO/Memory Read and Write Cycles
When LPC interface Bridge issues IO cycles that meet subtractive decode, F85226 will assert
corresponded IOR#, IOW# , MEMR# ,SMEMR# , MEMW# and SMEMW# then respond by inserting wait
cycles (long wait SYNC). After finishing ISA transaction and there isn’t any valid ISA Wait state inserted, it
responds Ready-state and terminates the cycles. If the host issues 16 bit transfer, F85226 will active
enhance 16-bit transferring function automatically.
7.1.2 DMA Read and Write Cycles
The read transactions transfer data from main memory to peripheral and write cycles transfer data
from peripheral to main memory. DMA requests form ISA interface are delivered by LDRQ# to DMA
controller (like 8237) and the acknowledge responds from LAD [3:0] encoding message. Terminal count is
depended on the counter programmed in DMA controller, when reach the counter threshold, TC is related
to LAD3 and asserted when DMA controller plan to terminal DMA transaction.
7.1.3 Booting Memory Read and Write Cycles
The ISA interface of F85226 can communicate to ISA ROM (System BIOS) with ROMCS#, MEMER#
and MEMW#, BIOS booting cycles of PC system may assert through different cycle type ( like Memory
Read and Firmware Memory Read) , F85226 can perform a positive decoder on specified memory range
included legacy BIOS , extended legacy BIOS and user defined High Memory address.
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0xFFFFFFFFh
0xFFE00000h
ROM CS#
0x000FFFFFh
0x000F0000h
0x000E0000h
LegacyBIOS
ExtendedBIOS
0x00000000h
Figure: Chip Select of BIOS Memory
7.2 Serialized Interrupt
Serial Interrupt is a single bus that transmits parallel legacy interrupts and encodes suitable packet at
corresponded moment. The signal refers to LCLK and it operates on an open-drain bus (multi-drop bus)
that is shared with other devices. F85226 supports two operation types included Continuous and Quiet
mode. Eventually, it fully meets SERIRQ specification Version 6.0.
R: Recovery Phase, SERIRQ signal is driven to high level
T: Turn-Around Phase, Devices Tri-state SERIRQ,
S: Sampling Phase, SERIRQ signal is sink to low level
R
T
S
R
T
S
R
T
LCLK
SERIRQ
IRQx
STOP
START
To identify parallel IRQ type on SERIRQ, following the table list supported source.
One SERIRQ Field contains three states included Recovery, Turn-Around and Sample.
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SERIRQ Field
Parallel IRQ
Reserved
Number of clocks after Start finished (Rising Edge)
1
2
2
Reserved
Reserved
IRQ3
5
3
8
4
11
5
IRQ4
14
6
IRQ5
17
7
IRQ6
20
8
IRQ7
23
9
Reserved
IRQ9
26
10
29
11
IRQ10
IRQ11
32
12
35
13
IRQ12
Reserved
IRQ14
IRQ15
IOCHK#
Reserved
38
14
41
15
44
16
47
50
17
21:18
53, 56, 59 , 62
Table: SERIRQ map
7.3 LPC DMA
LPC DMA supports Signal, Demand, Verify and Increment operations. The DMA channels are
compatible with ISA interface. All channels can be encoded to LDRQ# in serial format even channel 4 that
requests a bus master to LPC host. Channels 0-3 are for 8-bit transaction and channel 5-7 are for 16-bit
transaction. F85226 also supports 32-bit DMA if LPC host issues. LDRQ# also refers to LCLK and samples
in negative edge by LPC host. ACT field indicates the DMA aborts or not.
LCLK
MSB
LSB
ACT
LDRQ#
START
START
Figure: LCLK and LDRQ#
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8. Registers Description
8.1 Entry Key: Write 26h to the location 4Eh ( Default ) twice will enable the following
configuration registers. Change the location to 2Eh by power-on strapping with an external
pulled-down resister on pin 128.
8.2 Configuration and Control Register – Index 03h
Power-on default [7:0] =00_100_0_s_0b (s: mean default value effect by strapping)
Bit
Name
R/W
PWR
Description
00: ROMCS# decoder address 0xF_xxxx, and 0xE_xxxx if BIOS_0E_EN set to 1
(REG03h bit0).
7-6 ROM_SEL_TYPE
R/W
VDD3V
01: ROMCS# decoder address by define address 1 (REG2Ah, 2Bh) and define
address 2 (REG 2Eh, 2Fh).
10: ROMCS# decoder address 0xF_xxxx, and 0xE_xxxx if BIOS_0E_EN set to 1
(REG03h bit0) or ROMCS# decoder address by define address 1 (REG2Ah,
2Bh) and define address 2 (REG 2Eh, 2Fh).
11: ROMCS# decoder address 0xF_xxxx, and 0xE_xxxx if BIOS_0E_EN set to 1
(REG03h bit0) or ROMCS# decoder address by define address 1 (REG2Ah,
2Bh) and define address 2 (REG 2Eh, 2Fh).
4-2 BIOS_ROM_SIZE
R/W
VDD3V
000: ROMCS# decodes range 1M.
001: ROMCS# decodes range 2M.
010: ROMCS# decodes range 4M.
011: ROMCS# decodes range 8M.
100: ROMCS# decodes range 16M.
101: ROMCS# decodes range 32M.
110: ROMCS# decodes range 64M.
111: ROMCS# decodes range 1M.
2
1
0
BIOS_0E_EN
BIOS_ROM_EN
BIOS_WR_EN
R/W
R/W
R/W
VDD3V
VDD3V
VDD3V
Enable ROMCS# to decode the address 0xE_XXXX.
Enable ROMCS# to decode address.
When BIOS_ROM_EN is enabled, sets this bit to protect BIOS write.
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0xFFFF_FFFF
0xFFFF_0000
0xFFFF_FFFF
0xFFFF_0000
0xFFFF_FFFF
0xFFFF_FFFF
0xFFFF_FFFF
0xFFFF_0000
0xFFFF_0000
0xFFFF_0000
0x000F_FFFF
0x000F_EFFF
0x000F_FFFF
0x000F_F000
0x000F_FFFF
0x000F_0000
0x000F_FFFF
0x000E_0000
0x000E_0000
0x000C_FFFF
0x000C_F000
0x000E_0000
0x000C_FFFF
0x000C_FFFF
0x000C_F000
0x000C_F000
BIOS_OE_EN =1,
BIOS_OE_EN =1,
BIOS_OE_EN =1,
ROM _SEL_TYPE =3
REG 2Bh=0xFF,
REG 2Ah=0xFF
REG 29h=0x00,
REG 28h=0xFF
BIOS_OE_EN =1
ROM _SEL_TYPE =0
BIOS_OE_EN =0
ROM _SEL_TYPE =0
ROM _SEL_TYPE =1
REG 2Bh=0xFF,
REG 2Ah=0xFF
REG 29h=0x00,
REG 28h=0xFF
ROM _SEL_TYPE =2
REG 2Bh=0xFF,
REG 2Ah=0xFF
REG 29h=0x00,
REG 28h=0xFF
REG 2Fh=0xCF,
REG 2Eh=0xFF
REG 2Dh=0x00,
REG 2Ch=0xFF
REG 2Fh=0xCF,
REG 2Eh=0xFF
REG 2Dh=0x00,
REG 2Ch=0xFF
REG 2Fh=0xCF,
REG 2Eh=0xFF
REG 2Dh=0x00,
REG 2Ch=0xFF
BIOS_ROM _SIEZ =00
8.3 GPIO1 Function Select Register – Index 04h
Power-on default [7:0] =0ss0_ssssb
Bit
Name
R/W
PWR
Description
Set this bit to 0, the pin GP17/IOHCS# will be used as GP17 function. Set to 1, the pin
GP17/IOHCS# used as IOHCS# function and decode range can program by (REG
0x3F~0x41).
7
GP17_MODE
R/W
VDD3V
Set this bit to 0, the pin GP16/RTCCS# will be used as GP16 function. Set to 1, the pin
GP16/RTCCS# used as RTCCS# function and decode range can program by (REG
0x3C~0x3E). The default value is strapping by RTCEN.
6
GP16_MODE
R/W
VDD3V
Set this bit to 0, the pin GP15/IRQ8 will be used as GP15 function or GPCS#. Set to 1,
the pin GP15/IRQ8 used as IRQ8. The default value is strapping by RTCEN.
Set this bit to 0, the pin GP14/PLED1 will be used as GP14 function. Set to 1, the pin
GP12/PLED1 used as PLED1.
Set this bit to 0, the pin GP13/IRQIN will be used as GP13 function. Set to 1, the pin
GP13/IRQIN used as IRQIN function. The default value is strapping by KBEN
Set this bit to 0, the pin GP12/MCCS# will be used as GP12 function. Set to 1, the pin
GP12/MCCS# used as MCCS# function and decode range can program by (REG
0x39~0x3B). The default value is strapping by KBEN
5
4
3
GP15_MODE
GP14_MODE
GP13_MODE
R/W
R/W
R/W
VDD3V
VDD3V
VDD3V
2
GP12_MODE
R/W
VDD3V
Set this bit to 0, the pin GP11/KBCS# will be used as GP11 function. Set to 1, the pin
GP11/KBCS# used as KBCS# function and decode range can program by (REG
0x36~0x38). The default value is strapping by KBEN
Set this bit to 0, the pin GP10/IRQ1 will be used as GP10 function or GPCS#. Set to 1,
the pin GP10/IRQ1 used as IRQ1. The default value is strapping by KBEN.
1
0
GP11_MODE
GP10_MODE
R/W
RO
VDD3V
VDD3V
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8.4 GPIO2 Function Select Register – Index 05h
Power-on default [7:0] =0000_sss0b
Bit
Name
R/W
PWR
Description
7-5
Reserved
RO
VDD3V
Set this bit to 0, the pin SA19/GP23 will be used as GP23 function or GPCS#. Set to 1,
the pin SA19/GP23 used as SA19. The default value is strapping by DACK5#.
Set this bit to 0, the pin SA18/GP22 will be used as GP22 function or GPCS#. Set to 1,
the pin SA18/GP22 use as SA18. The default value is strapping by DACK5#.
Set this bit to 0, the pin SA17/GP21 will be used as GP21 function or GPCS#. Set to 1,
the pin SA17/GP21 used as SA17. The default value is strapping by DACK5#.
Set this bit to 0, the pin GP20/PLED0 will be used as GP20 function or GPCS#. Set to
1, this pin will be used as PLED0 output.
3
2
1
GP23_MODE
GP22_MODE
GP21_MODE
R/W
R/W
R/W
VDD3V
VDD3V
VDD3V
0
GP20_MODE
R/W
VDD3V
(When use in LED mode, GP20 output control “CR18” must select to output mode,
and user need to take care that decoder select ”CR13,14” can’t select to pin GP20).
8.5 System Clock Register – Index 06h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
Set to 1, ISA system clock period will be 3 PCI clock. Set to 0, system clock
period will be 4 PCI clock.
7
SYSCLK_SEL
R/W
VDD3V
Set to 1, enable bit [5:3] setting. Set to 0, disable bit [5:3] setting and uses 3.5
SYSCLKs for 8 bits I/O recovery time.
6
EN_RECOVER8
R/W
VDD3V
When bit 6 was set to 1, these 3 bits field define the additional number of
SYSCLKs added to standard 3.5 SYSCLKs recovery time for 8 bits I/O.
= 000 --- 0 SYSCLK
= 001 --- 1 SYSCLK
= 010 --- 2 SYSCLKs
= 011 --- 3 SYSCLKs
5-3
RECOVER_TIME8
R/W
VDD3V
= 100 --- 4 SYSCLKs
= 101 --- 5 SYSCLKs
= 110 --- 6 SYSCLKs
= 111 --- 7 SYSCLKs
Set to 1, enable bit [1:0] setting. Set to 0, disable bit [1:0] setting and uses 3.5
SYSCLKs for 16 bits I/O recovery time.
.When bit 2 was set to 1, these 3 bits field define the additional number of
SYSCLKs added to standard 3.5 SYSCLKs recovery time for 16 bits I/O.
= 01 --- 1 SYSCLK
2
EN_RECOVER16
R/W
R/W
VDD3V
VDD3V
1-0
RECOVER_TIME16
= 10 --- 2 SYSCLK s
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= 11 --- 3 SYSCLK s
= 00 --- 4 SYSCLK s
8.6 System Power down Register – Index 10h
Power-on default [7:0] =0011_0000b
Bit
Name
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
PWR
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
Description
7
Reserved
6
SOFT_DOWN
EN_CLKOUT_PD
EN_SYSCLK_PD
EN_REFRESH
DIS_CLKOUT2
DIS_CLKOUT1
EN_GPIO
Set this bit to isolate ISA bus.
5
Enable CLKOUT1 and CLKOUT2 power down when isolate the ISA bus.
Enable SYSCLK to power down when isolate the ISA bus.
Enable refresh output.
4
3
2
If this bit set to 1, CLKOUT2 will power down.
1
If this bit set to 1, CLKOUT1 will power down.
0
Set this bit to enable write command to REG 0x11~0x1A.
8.7 GPIO Port Define Register (Low byte)– Index 11h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
7-0
GP_ADDR[7:0]
R/W
VDD3V
User defines port address to control GPIO functions. To control GPIO state
without entry configure mode. (If GPIO no enable “CR10 bit0”, This register will
read only).
For example: if define GP_ADDR 0x150 in CR11 and CR12t.
If(GPIO output ctrl (REG 0x15, 0x18) set to output mode then:
-o 150 aa (10101010b) to set GP17, GP15, GP13 and GP11 to High.
-o 150 55 (01010101 b) to set GP16, GP14, GP12 and GP10 to High.
-o 151 aa (10101010b) to set GP23 and GP21 to High.
-o 151 55 (01010101 b) to set GP22 and GP20 to High.
If(GPIO output ctrl (REG 0x15, 0x18) set to input mode then:
- i 150 ------show pin states of GP1[7..0].
- i 151------show pin states of GP2[3..0].
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8.8 GPIO Port Define Register (High byte)– Index 12h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
User defines port address to control GPIO functions. To control GPIO state
without entry configure mode. (If GPIO no enable “CR10 bit0”, This register will
read only).
7-0 GP_ADDR[15:8]
R/W
VDD3V
For example: if define GP_ADDR 0x150 in CR11 and CR12t.
If(GPIO output ctrl (REG 0x15, 0x18) set to output mode then:
-o 150 aa (10101010b) to set GP17, GP15, GP13 and GP11 to High.
-o 150 55 (01010101 b) to set GP16, GP14, GP12 and GP10 to High.
-o 151 aa (10101010b) to set GP23 and GP21 to High.
-o 151 55 (01010101 b) to set GP22 and GP20 to High.
If(GPIO output ctrl (REG 0x15, 0x18) set to input mode then:
-i 150 ------ show pin states of GP1[7..0].
-i 151 ------ show pin states of GP2[3..0].
8.9 Address Decoder Register (I) – Index 013h
Power-on default [7:0] =1111_1111b
Bit
Name
R/W
PWR
Description
Select GPIO pin to be GPCS2# that define decode address by CR21, 22. (If GPIO
no enable “CR10 bit0”, This register will read only).
7-4
DECODER_SEL2 R/W
VDD3V
0000: if decode_sel2 set to 0x0h the GPCS2 will output from pin GP10.
0011: if decode_sel2 set to 0x3h the GPCS2 will output from pin GP13.
0100: if decode_sel2 set to 0x4h the GPCS2 will output from pin GP14.
0101: if decode_sel2 set to 0x5h the GPCS2 will output from pin GP15.
1000: if decode_sel2 set to 0x8h the GPCS2 will output from pin GP20.
1001: if decode_sel2 set to 0x9h the GPCS2 will output from pin GP21.
1010: if decode_sel2 set to 0xAh the GPCS2 will output from pin GP22.
1011: if decode_sel2 set to 0xBh the GPCS2 will output from pin GP23.
Default : disable.
Select GPIO pin to be GPCS2# that define decode address by CR24, 25. (If GPIO
no enable “CR10 bit0”, This register will read only).
3-0
DECODER_SEL1 R/W
VDD3V
0000: if decode_sel1 set to 0x0h the GPCS1 will output from pin GP10.
0011: if decode_sel1 set to 0x3h the GPCS1 will output from pin GP13.
0100: if decode_sel1 set to 0x4h the GPCS1 will output from pin GP14.
0101: if decode_sel1 set to 0x5h the GPCS1 will output from pin GP15.
1000: if decode_sel1 set to 0x8h the GPCS1 will output from pin GP20.
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1001: if decode_sel1 set to 0x9h the GPCS1 will output from pin GP21.
1010: if decode_sel1 set to 0xAh the GPCS1 will output from pin GP22.
1011: if decode_sel1 set to 0xBh the GPCS1 will output from pin GP23.
default: disable.
8.10 Address Decoder Register (II) – Index 014h
Power-on default [7:0] =1111_1111b
Bit
Name
R/W
PWR
Description
Select GPIO pin to be GPCS3# that define decode address by CR31, 32. (If GPIO
no enable “CR10 bit0”, This register will read only).
7-4
DECODER_SEL4 R/W
VDD3V
0000: if decode_sel4 set to 0x0h the GPCS4 will output from pin GP10.
0011: if decode_sel4 set to 0x3h the GPCS4 will output from pin GP13.
0100: if decode_sel4 set to 0x4h the GPCS4 will output from pin GP14.
0101: if decode_sel4 set to 0x5h the GPCS4 will output from pin GP15.
1000: if decode_sel4 set to 0x8h the GPCS4 will output from pin GP20.
1001: if decode_sel4 set to 0x9h the GPCS4 will output from pin GP21.
1010: if decode_sel4 set to 0xAh the GPCS4 will output from pin GP22.
1011: if decode_sel4 set to 0xBh the GPCS4 will output from pin GP23.
default: disable.
Select GPIO pin to be GPCS3# that define decode address by CR34, 35. (If GPIO
no enable “CR10 bit0”, This register will read only).
3-0
DECODER_SEL3 R/W
VDD3V
0000: if decode_sel3 set to 0x0h the GPCS3 will output from pin GP10.
0011: if decode_sel3 set to 0x3h the GPCS3 will output from pin GP13.
0100: if decode_sel3 set to 0x4h the GPCS3 will output from pin GP14.
0101: if decode_sel3 set to 0x5h the GPCS3 will output from pin GP15.
1000: if decode_sel3 set to 0x8h the GPCS3 will output from pin GP20.
1001: if decode_sel3 set to 0x9h the GPCS3 will output from pin GP21.
1010: if decode_sel3 set to 0xAh the GPCS3 will output from pin GP22.
1011: if decode_sel3 set to 0xBh the GPCS3 will output from pin GP23.
default: disable.
8.11 GPIO Input Control Register – Index 15h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
7
GP17_OCTRL
GP17 in/out mode select: GP17 is input mode if set to 0. GP17 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
R/W
VDD3V
6
5
GP16_OCTRL
GP15_OCTRL
GP16 in/out mode select: GP16 is input mode if set to 0. GP16 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
R/W
R/W
VDD3V
VDD3V
GP15 in/out mode select: GP15 is input mode if set to 0. GP15 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
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4
3
2
1
0
GP14_OCTRL
GP14 in/out mode select: GP14 is input mode if set to 0. GP14 is output mode if set to 1.
R/W
R/W
R/W
R/W
R/W
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
(If GPIO no enable “CR10 bit0”, This register will read only).
GP13_OCTRL
GP12_OCTRL
GP11_OCTRL
GP10_OCTRL
GP13 in/out mode select: GP13 is input mode if set to 0. GP13 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
GP12 in/out mode select: GP12 is input mode if set to 0. GP12 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
GP11 in/out mode select: GP11 is input mode if set to 0. GP11 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
GP10 in/out mode select: GP10 is input mode if set to 0. GP10 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
8.12 GPIO Output Data Register – Index 16h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
GP17_DATA
When GP17 in out mode, set this bit to write data to pin GP17. (If GPIO no enable
“CR10 bit0”, This register will read only).
7
R/W
VDD3V
GP16_DATA
GP15_DATA
GP14_DATA
GP13_DATA
GP12_DATA
GP11_DATA
GP10_DATA
When GP16 in out mode, set this bit to write data to pin GP16. (If GPIO no enable
“CR10 bit0”, This register will read only).
6
5
4
3
2
1
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
When GP15 in out mode, set this bit to write data to pin GP15. (If GPIO no enable
“CR10 bit0”, This register will read only).
When GP14 in out mode, set this bit to write data to pin GP14. (If GPIO no enable
“CR10 bit0”, This register will read only).
When GP13 in out mode, set this bit to write data to pin GP13. (If GPIO no enable
“CR10 bit0”, This register will read only).
When GP12 in out mode, set this bit to write data to pin GP12. (If GPIO no enable
“CR10 bit0”, This register will read only).
When GP11 in out mode, set this bit to write data to pin GP11. (If GPIO no enable
“CR10 bit0”, This register will read only).
When GP10 in out mode, set this bit to write data to pin GP10. (If GPIO no enable
“CR10 bit0”, This register will read only).
8.13 GPIO1x Input Register – Index 17h
Power-on default [7:0] =pppp_ppppb (p: mean pin status)
Bit
Name
R/W
PWR
Description
7
GP17_ST
RO
VDD3V This bit is read only, when read back is the status of the pin GP17.
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VDD3V This bit is read only, when read back is the status of the pin GP16.
VDD3V This bit is read only, when read back is the status of the pin GP15.
VDD3V This bit is read only, when read back is the status of the pin GP14.
VDD3V This bit is read only, when read back is the status of the pin GP13.
VDD3V This bit is read only, when read back is the status of the pin GP12.
VDD3V This bit is read only, when read back is the status of the pin GP11.
VDD3V This bit is read only, when read back is the status of the pin GP10.
6
5
4
3
2
1
0
GP16_ST
RO
RO
RO
RO
RO
RO
RO
GP15_ST
GP14_ST
GP13_ST
GP12_ST
GP11_ST
GP10_ST
8.14 GPIO2 Input Control Register – Index 18h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
7
Reserved
-
-
Reserved.
GP23_OCTRL
GP22_OCTRL
GP21_OCTRL
GP20_OCTRL
GP23 in/out mode select: GP23 is input mode if set to 0. GP23 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
3
2
1
0
R/W
R/W
R/W
R/W
VDD3V
VDD3V
VDD3V
VDD3V
GP22 in/out mode select: GP22 is input mode if set to 0. GP22 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
GP21 in/out mode select: GP21 is input mode if set to 0. GP21 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
GP20 in/out mode select: GP20 is input mode if set to 0. GP20 is output mode if set to 1.
(If GPIO no enable “CR10 bit0”, This register will read only).
8.15 GPIO2 Output Data Register – Index 19h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
7
Reserved
R/W
VDD3V Reserved
GP23_DATA
GP22_DATA
GP21_DATA
GP20_DATA
When GP23 in out mode, set this bit to write data to pin GP23. (If GPIO no enable
“CR10 bit0”, This register will read only).
3
2
1
0
R/W
R/W
R/W
R/W
VDD3V
VDD3V
VDD3V
VDD3V
When GP22 in out mode, set this bit to write data to pin GP22. (If GPIO no enable
“CR10 bit0”, This register will read only).
When GP21 in out mode, set this bit to write data to pin GP21. (If GPIO no enable
“CR10 bit0”, This register will read only).
When GP20 in out mode, set this bit to write data to pin GP20. (If GPIO no enable
“CR10 bit0”, This register will read only).
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8.16 GPIO2 Input Register – Index 1Ah
Power-on default [7:0] =0000_ppppb (p: mean pin status)
Bit
Name
R/W
R/W
R/W
R/W
R/W
R/W
PWR
Description
7-4 Reserved
VDD3V Reserved
3
2
1
0
GP23_ ST
GP22_ ST
GP21_ ST
GP20_ ST
VDD3V This bit is read only, when read back is the status of the pin GP23.
VDD3V This bit is read only, when read back is the status of the pin GP22.
VDD3V This bit is read only, when read back is the status of the pin GP21.
VDD3V This bit is read only, when read back is the status of the pin GP20.
8.17 LED & IRQIN Control Register – Index 1Bh
Power-on default [7:0] =0000_0000b
Bit
Name
ADDR_DEC_TY
PE[1]
R/W
PWR
Description
If set to 1, the address decode 4 (CR34, CR35) will decode the memory cycle, else
it will decode io cycle.
7
R/W
VDD3V
If set to 1, the address decode 3 (CR31, CR32) will decode the memory cycle, else
it will decode io cycle.
6
ADDR_DEC_TY
PE[0]
R/W
R/W
VDD3V
VDD3V
When pin GP14 or GP20 be selected to LED mode, user can use these two bits to
define LED frequency:
5-4
LED_FREQ
00: Power LED pin is tri-stated.
01: Power LED pin is driven low.
10: Power LED pin is a 1Hz toggle pulse with 50 duty cycle.
11: Power LED pin is a 1/2 Hz toggle pulse with 50 duty cycle.
These bits select IRQ resource for IRQIN. Four bits transfer the decimal value
to octal system.
3-0
IRQIN_SEL
R/W
VDD3V
For example:
Bit [3..0] = 1001b = 0x9h means IRQ 9 be selected.
Bit [3..0] = 1100b = 0xCh means IRQ12 be selected.
8.18 Master Setting Register – Index 1Ch
Power-on default [7:0] =1110_0001b
Bit
Name
R/W
PWR
Description
7-0
EN_MASTER16_CH R/W
VDD3V
Reserved
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8.19 Master Setting Register – Index 1Dh
Power-on default [7:0] =0110_0011b
Bit
Name
R/W
PWR
Description
7
EN_TIMEOUT
R/W
VDD3V Enable this bit to timeout LPC long wait when ISA bus had pull IOCHRDY to low.
Define the timeout value, the unit is ISA system clock. So if ISA pull IOCHRDY to
6-0 TIMEOUT_VALUE R/W
VDD3V
low more then this time, the device will end of the LPC long wait. (default are 100
ISA Clock)
8.20 Refresh Address Register (Low Byte) – Index 1Eh
Power-on default [7:0] =1111_1111b
Bit
Name
R/W
PWR
Description
CR 1E, 1F are used to define the refresh counter repeat value: For example, if set
REFRESH_ADDR to 0x01FF, the address in refresh will increase until reach
0x01FF and then refresh address return to 0x0000.
7-0 REFRESH_ADDR R/W
VDD3V
8.21 Refresh Address Register (High Byte) – Index 1Fh
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
CR 1E, 1F are used to define the refresh counter repeat value: For example, if set
REFRESH_ADDR to 0x01FF, the address in refresh will increase until reach
0x01FF and then refresh address return to 0x0000.
7-0 REFRESH_ADDR R/W
VDD3V
8.22 Address1 Decode Mask Register – Index 20h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register is used to mask address bits (A7~A0) for specify address decoder, if
the corresponding bit of this register is set to a 1, the corresponding address
bit(A7~A0) is ignored by the specify address decoder.
7-0
ADDR_MASK1
R/W
VDD3V
For example: If the decoding range is 0x3F8 ~ 0x3FF, you can set 0x03F8 to CR21,
22 and 07h to CR20.
8.23 Address1 Decode Register (Low Byte) – Index 21h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
7-0
ADDR_DEC1
R/W
VDD3V
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CR21 Bit [7..0] are used to define low byte of specify address.
CR22 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x3F5h when wrote F5h to CR21
and 03h to CR22.
8.24 Address1 Decode Register (High Byte) – Index 22h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR21 Bit [7..0] are used to define low byte of specify address.
CR22 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x3F5h when wrote F5h to CR21
and 03h to CR22.
7-0
ADDR_DEC1
R/W
VDD3V
8.25 Address2 Decode Mask Register – Index 23h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register is used to mask address bits (A7~A0) for specify address decoder, if
the corresponding bit of this register is set to a 1, the corresponding address
bit(A7~A0) is ignored by the specify address decoder.
7-0
ADDR_MASK2
R/W
VDD3V
For example: If the decoding range is 0x3F8 ~ 0x3FF, you can set 0x03F8 to CR24,
25 and 07h to CR23.
8.26 Address2 Decode Register (Low Byte) – Index 24h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR24 Bit [7:0] are used to define low byte of specify address.
CR25 Bit [7:0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x3F5h when wrote F5h to CR24
and 03h to CR25.
7-0
ADDR_DEC2
R/W
VDD3V
8.27 Address2 Decode Register (High Byte) – Index 25h
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
7-0
ADDR_DEC2
R/W
VDD3V
CR24 Bit [7..0] are used to define low byte of specify address.
CR25 Bit [7..0] are used to define high byte of specify address.
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For example: Decoding address was set to be 0x3F5h when wrote F5h to CR24
and 03h to CR25 .
8.28 ROM1 Decoder Mask Low Byte Register – Index 0x28
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
The register CR28, 29 are used to mask address bits (A19~A4) for specify address
decoder, if the corresponding bit of this register is set to a 1, the corresponding
address bit(A19~A4) is ignored by the specify address decoder.
7-0
ROM_MASK1
R/W
VDD3V
For example: If the decoding range is 0xF_FFFX ~ 0xF_E00X, you can set
0xF_FFFF to CR2A, 2B and ffh to CR28, 01h to CR29.
8.29 ROM Decoder Mask (High Byte) Register – Index 0x29
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
The register CR28, 29 are used to mask address bits (A19~A4) for specify address
decoder, if the corresponding bit of this register is set to a 1, the corresponding
address bit(A19~A4) is ignored by the specify address decoder.
7-0
ROM_ MASK1
R/W
VDD3V
For example: If the decoding range is 0xF_FFFX ~ 0xF_E00X, you can set
0xF_FFFF to CR2A, 2B and ffh to CR28, 01h to CR29.
8.30 ROM Decoder Address (Low Byte) Register – Index 0x2A
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR2A Bit [7..0] are used to define low address[11:4].
CR2B Bit [7..0] are used to define high address[19:12].
For example: Decoding address was set to be 0xF_FEEXh when wrote EEh to
CR2A and FFh to CR2B.
7-0
ROM_DEC1
R/W
VDD3V
8.31 ROM Decoder Address (High Byte) Register – Index 0x2B
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR2A Bit [7..0] are used to define low address[11:4].
CR2B Bit [7..0] are used to define high address[19:12].
For example: Decoding address was set to be 0xF_FEEXh when wrote EEh to
CR2A and FFh to CR2B.
7-0
ROM_DEC1
R/W
VDD3V
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8.32 ROM2 Decoder Mask Low Byte Register – Index 0x2C
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
The register CR2C, 2D are used to mask address bits (A19~A4) for specify address
decoder, if the corresponding bit of this register is set to a 1, the corresponding
address bit(A19~A4) is ignored by the specify address decoder.
7-0
ROM_MASK2
R/W
VDD3V
For example: If the decoding range is 0xF_FFFX ~ 0xF_E00X, you can set
0xF_FFFF to CR2E, 2F and ffh to CR2C, 01h to CR2D.
8.33 ROM2 Decoder Mask (High Byte) Register – Index 0x2D
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
The register CR2C, 2D are used to mask address bits (A19~A4) for specify address
decoder, if the corresponding bit of this register is set to a 1, the corresponding
address bit(A19~A4) is ignored by the specify address decoder.
7-0
ROM_ MASK2
R/W
VDD3V
For example: If the decoding range is 0xF_FFFX ~ 0xF_E00X, you can set
0xF_FFFF to CR2E, 2F and ffh to CR2C, 01h to CR2D.
8.34 ROM2 Decoder Address (Low Byte) Register – Index 0x2E
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR2E Bit [7..0] are used to define low address[11:4].
CR2F Bit [7..0] are used to define high address[19:12].
For example: Decoding address was set to be 0x5_5AAXh when wrote AAh to
CR2E and 55h to CR2F.
7-0
ROM_DEC2
R/W
VDD3V
8.35 ROM2 Decoder Address (High Byte) Register – Index 0x2F
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR2E Bit [7..0] are used to define low address[11:4].
CR2F Bit [7..0] are used to define high address[19:12].
For example: Decoding address was set to be 0x5_5AAXh when wrote AAh to
CR2E and 55h to CR2F.
7-0
ROM_DEC2
R/W
VDD3V
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8.36 ADDR3 Decoder Mask High Byte Register – Index 0x30
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register is used to mask io address bits A7~A0 or memory addrss bits
A23~A16 for specify address decoder, if the corresponding bit of this register is set
to a 1, the corresponding address bits will ignored by the specify address decoder.
For example: If the decoding range is 0x3F8 ~ 0x3FF, you can set 0x03F8 to CR31,
32 and 07h to CR30.
7-0 ADDR3_DEC_MASK R/W
VDD3V
8.37 ADDR3 Decoder Address Low Byte Register – Index 0x31
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR31 Bit [7..0] are used to define low byte of specify address.
CR32 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x3F5h when wrote F5h to CR31
and 03h to CR32. (The address decoder will decode the match “IO” address that
define in CR31 and CR32 register, but when set CR1B bit6 to 1, The address
decoder will decode the match “memory” address[31:16] that define in CR31 and
CR32 registers).
7-0
ADDR3_DEC
R/W
VDD3V
8.38 ADDR3 Decoder Address High Byte Register – Index 0x32
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR31 Bit [7..0] are used to define low byte of specify address.
CR32 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x3F5h when wrote F5h to CR31
and 03h to CR32. (The address decoder will decode the match “IO” address that
define in CR31 and CR32 register, but when set CR1B bit6 to 1, The address
decoder will decode the match “memory” address[31:16] that define in CR31 and
CR32 registers).
7-0
ADDR3_DEC
R/W
VDD3V
8.39 ADDR4 Decoder Mask High Byte Register – Index 0x33
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register is used to mask io address bits A7~A0 or memory addrss bits
7-0
ADDR4_DEC_MASK
R/W
VDD3V
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A23~A16 for specify address decoder, if the corresponding bit of this register is set
to a 1, the corresponding address bits will ignored by the specify address decoder.
For example: If the decoding range is 0x3F8 ~ 0x3FF, you can set 0x03F8 to CR34,
35 and 07h to CR33.
8.40 ADDR4 Decoder Address Low Byte Register – Index 0x34
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR34 Bit [7..0] are used to define low byte of specify address.
CR35 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x3F5h when wrote F5h to CR34
and 03h to CR35. (The address decoder will decode the match “IO” address that
define in CR34 and CR35 register, but when set CR1B bit7 to 1, The address
decoder will decode the match “memory” address[31:16] that define in CR34 and
CR35 registers).
7-0
ADDR4_DEC
R/W
VDD3V
8.41 ADDR4 Decoder Address High Byte Register – Index 0x35
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for specify decoder.
CR34 Bit [7..0] are used to define low byte of specify address.
CR35 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x3F5h when wrote F5h to CR34
and 03h to CR35. (The address decoder will decode the match “IO” address that
define in CR34 and CR35 register, but when set CR1B bit7 to 1, The address
decoder will decode the match “memory” address[31:16] that define in CR34 and
CR35 registers).
7-0
ADDR4_DEC
R/W
VDD3V
8.42 KBC Decoder Mask Register – Index 0x36
Power-on default [7:0] =0000_0100b
Bit
Name
R/W
PWR
Description
This register is used to mask address bits (A7~A0) for specify address decoder, if
the corresponding bit of this register is set to a 1, the corresponding address
bit(A7~A0) is ignored by the specify address decoder.
7-0
KBC _MASK
R/W
VDD3V
For example: If the decoding range is 0x060 & 0x064, you can set 0x060 to CR37,
38 and 04h to CR36.
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8.43 KBC Decoder Address Low Byte Register – Index 0x37
Power-on default [7:0] =0110_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR37 Bit [7..0] are used to define low byte of specify address.
CR38 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x060h when wrote 60h to CR37 and
00h to CR38.
7-0
KBC_DEC
R/W
VDD3V
8.44 KBC Decoder Address High Byte Register – Index 0x38
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR37 Bit [7..0] are used to define low byte of specify address.
CR38 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x060h when wrote 60h to CR37 and
00h to CR38.
7-0
KBC_DEC
R/W
VDD3V
8.45 MC Decoder Mask Register – Index 0x39
Power-on default [7:0] =0000_0100b
Bit
Name
R/W
PWR
Description
This register is used to mask address bits (A7~A0) for specify address decoder, if
the corresponding bit of this register is set to a 1, the corresponding address
bit(A7~A0) is ignored by the specify address decoder.
7-0
MC _MASK
R/W
VDD3V
For example: If the decoding range is 0x062 & 0x066, you can set 0x062 to CR3A,
3B and 04h to CR39.
8.46 MC Decoder Address Low Byte Register – Index 0x3A
Power-on default [7:0] =0110_0010b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR3A Bit [7..0] are used to define low byte of specify address.
CR3B Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x062h when wrote 60h to CR3A and
00h to CR3B.
7-0
MC_DEC
R/W
VDD3V
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8.47 MC Decoder Address High Byte Register – Index 0x3B
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR3A Bit [7..0] are used to define low byte of specify address.
CR3B Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x062h when wrote 60h to CR3A and
00h to CR3B.
7-0
MC_DEC
R/W
VDD3V
8.48 RTC Decoder Mask Register – Index 0x3C
Power-on default [7:0] =0000_0001b
Bit
Name
R/W
PWR
Description
This register is used to mask address bits (A7~A0) for specify address decoder, if
the corresponding bit of this register is set to a 1, the corresponding address
bit(A7~A0) is ignored by the specify address decoder.
7-0
RTC_ MASK
R/W
VDD3V
For example: If the decoding range is 0x070 & 0x071, you can set 0x070 to CR3D,
3E and 01h to CR3C.
8.49 RTC Decoder Address Low Byte Register – Index 0x3D
Power-on default [7:0] =0111_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR3D Bit [7..0] are used to define low byte of specify address.
CR3E Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x060h when wrote 70h to CR3D
and 00h to CR3E.
7-0
RTC_DEC
R/W
VDD3V
8.50 RTC Decoder Address High Byte Register – Index 0x3E
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR3D Bit [7..0] are used to define low byte of specify address.
CR3E Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x060h when wrote 70h to CR3D
and 00h to CR3E.
7-0
RTC_DEC
R/W
VDD3V
31
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
8.51 IOH Decoder Mask Register – Index 0x3F
Power-on default [7:0] =1111_1111b
Bit
Name
R/W
PWR
Description
This register is used to mask address bits (A7~A0) for specify address decoder, if
the corresponding bit of this register is set to a 1, the corresponding address
7-0
IOH_ MASK
R/W
VDD3V bit(A7~A0) is ignored by the specify address decoder.
For example: If the decoding range is 0x0000 ~ 0x00FF, you can set 0x00 to
CR40, 41 and FFh to CR3F.
8.52 IOH Decoder Address Low Byte Register – Index 0x40
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR40 Bit [7..0] are used to define low byte of specify address.
7-0
IOH_DEC
R/W
VDD3V CR41 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x0080h when wrote 80h to CR40
and 00h to CR41.
8.53 IOH Decoder Address High Byte Register – Index 0x41
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
This register contains the address for KBC decoder.
CR40 Bit [7..0] are used to define low byte of specify address.
7-0
IOH_DEC
R/W
VDD3V CR41 Bit [7..0] are used to define high byte of specify address.
For example: Decoding address was set to be 0x0080h when wrote 80h to CR40
and 00h to CR41.
8.54 Edge Detector Status Register – Index 0x50
Power-on default [7:0] =0000_0000b
Bit
7-1
0
Name
R/W
PWR
Description
Reserved
CLK_PD
RO
VDD3V Reserved
RW
VDD3V Set to 1 to disable SYSCLK output.
32
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
8.55 IRQ Wakeup Register (I) – Index 0x51
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
Description
7
EN_IRQ7_W
EN_IRQ6_W
EN_IRQ5_W
EN_IRQ4_W
EN_IRQ3_W
Reserved
RW
VDD3V Set to 1 to enable IRQ7 to wakeup the system.
VDD3V Set to 1 to enable IRQ6 to wakeup the system.
VDD3V Set to 1 to enable IRQ5 to wakeup the system.
VDD3V Set to 1 to enable IRQ4 to wakeup the system.
VDD3V Set to 1 to enable IRQ3 to wakeup the system.
VDD3V Reserved
6
R/W
R/W
R/W
R/W
R/W
R/W
RW
5
4
3
2
1
EN_IRQ1_W
EN_PWRDN_W
VDD3V Set to 1 to enable IRQ1 to wakeup the system.
VDD3V Set to 1 to enable PWRDN pin to power down or wakeup the system.
0
8.56 IRQ Wakeup Register (II) – Index 0x52
Power-on default [7:0] =0000_0000b
Bit
Name
R/W
PWR
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
VDD3V
Description
7
Reserved
RW
Reserved
6
5
4
3
2
1
0
EN_IRQ15_W
EN_IRQ14_W
EN_IRQ12_W
EN_IRQ11_W
EN_IRQ10_W
EN_IRQ9_W
EN_IRQ8_W
R/W
R/W
R/W
R/W
R/W
R/W
RW
Set to 1 to enable IRQ15 to wakeup the system.
Set to 1 to enable IRQ14 to wakeup the system.
Set to 1 to enable IRQ12 to wakeup the system.
Set to 1 to enable IRQ11 to wakeup the system.
Set to 1 to enable IRQ10 to wakeup the system.
Set to 1 to enable IRQ9 to wakeup the system.
Set to 1 to enable IRQ8 to wakeup the system.
8.57 CHIPID (1) Register – Index 5Ah
Power-on default [7:0] =0000_0011b
Bit
Name
R/W
PWR
Description
7-0
CHIPID
RO
VDD3V
Chip ID, High byte (8’h03).
8.58 CHIPID (2) Register – Index 5Bh
Power-on default [7:0] =0000_0101b
Bit
Name
R/W
PWR
Description
7-0
CHIPID
RO
VDD3V
Chip ID, Low byte (8’h05).
33
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
8.59 VERSION Register – Index 5Ch
Power-on default [7:0] =0001_0000b
Bit
Name
R/W
PWR
Description
Description
Description
7-0
VERSION
RO
VDD3V
Version 1.0.
8.60 VENDOR ID (1) Register – Index 5Dh
Power-on default [7:0] =0001_1001b
Bit
Name
R/W
PWR
7-0
VENDOR1
RO
VDD3V
Vendor ID, 8’h19.
8.61 VENDOR ID (2) Register – Index 5Eh
Power-on default [7:0] =0011_0100b
Bit
Name
R/W
PWR
7-0
VENDOR2
RO
VDD3V
Vendor ID, 8h34.
9. Ordering Information
Part Number
F85226F
Package Type
Production Flow
128 pin PQFP (Normal)
Commercial, 0°C to +70°C
F85226FG
128 pin PQFP (Green Package)
Commercial, 0°C to +70°C
10.Electrical characteristic
9.1 Absolute Maximum Ratings
PARAMETER
RATING
-0.5 to 5.5
-0.5 to VDD+0.5
0 to +70
UNIT
V
V
° C
° C
Power Supply Voltage
Input Voltage
Operating Temperature
Storage Temperature
-55 to 150
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect
the life and reliability of the device
34
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
9.2 DC Characteristics
(Ta = 70° C, VDD = 3.3V, VSS = 0V)
PARAMETER
SYM. MIN. TYP. MAX.
UNIT
CONDITIONS
I/OD24ts - TTL level bi-directional pin, with Schmitt trigger, can select to OD by register, with 24 mA
source-sink capability
Input Low Threshold Voltage
Input High Threshold Voltage
Output Low Current
Vt-
0.8
V
V
VDD = 3.3 V
VDD = 3.3 V
VOL = 0.4 V
VIN = VDD
VIN = 0V
Vt+
IOL
ILIH
ILIL
2.0
24
mA
µA
µA
Input High Leakage
1
Input Low Leakage
-1
I/O24ts - TTL level bi-directional pin, with Schmitt trigger and 24 mA source-sink capability
Input Low Threshold Voltage
Input High Threshold Voltage
Output High Current
Vt-
0.8
-24
1
V
VDD = 3.3 V
VDD = 3.3 V
VOL = 2.4 V
VOL = 0.4 V
VIN = VDD
VIN = 0V
Vt+
IOH
IOL
ILIH
ILIL
2.0
24
-1
V
mA
mA
µA
µA
Output Low Current
Input High Leakage
Input Low Leakage
O20 - Output pin with 20 mA source-sink capability
Output High Current
Output Low Current
IOH
IOL
-20
-24
mA
mA
VOL = 2.4 V
VOL = 0.4 V
20
O24 - Output pin with 24 mA source-sink capability
Output High Current
IOH
IOL
mA
mA
VOL = 2.4 V
VOL = 0.4 V
Output Low Current
24
INt - TTL level input pin
Input Low Threshold Voltage
Input High Threshold Voltage
Input High Leakage
Vt-
0.8
1
V
V
VDD = 3.3 V
VDD = 3.3 V
VIN = VDD
VIN = 0V
Vt+
ILIH
ILIL
2.0
-1
µA
µA
Input Low Leakage
INts - TTL level input pin with schmitt trigger
Input Low Threshold Voltage
Input High Threshold Voltage
Input High Leakage
Vt-
0.8
1
V
V
VDD = 3.3 V
VDD = 3.3 V
VIN = VDD
VIN = 0V
Vt+
ILIH
ILIL
2.0
-1
µA
µA
Input Low Leakage
35
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
11.Package specification
128 PQFP
Feature Integration Technology Inc.
Headquarters
Taipei Office
3F-7, No 36, Tai Yuan St.,
Chupei City, Hsinchu, Taiwan 302, R.O.C.
TEL : 886-3-5600168
Bldg. K4, 7F, No.700, Chung Cheng Rd.,
Chungho City, Taipei, Taiwan 235, R.O.C.
TEL : 866-2-8227-8027
FAX : 886-3-5600166
FAX : 866-2-8227-8037
www: http://www.fintek.com.tw
Please note that all datasheet and specifications are subject to change without notice. All the
trade marks of products and companies mentioned in this datasheet belong to their
respective owner
36
F85226
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
12.Application Circuit
SMEMR#
SMEMW#
IOW#
IOR#
ROM_EN SELECT
KB_EN SELECT
OWS#
DACK3#
DRQ3
DRQ2
VCC3V
IRQ9
DACK1#
DRQ1
RSTDRV
IOCHCK#
REFRESH#
SYSCLK
IRQ7
ROM EN R1
4.7K
KB EN
SD7
SD6
R5
R2
R1 ON
ROM_EN ON
R2 ON
KB_EN ON
SD5
IRQ6
10K
10K
R1 OFF ROM_EN OFF
R2 OFF KB_EN OFF
SD4
IRQ5
SD3
IRQ4
SD2
IRQ3
SD1
DACK2#
TC
SD0
GP16
GP17
RTCCS#
BALE
VCC3V
SBHE#
C1
0.1u
4E_EN SELECT
RTC_EN SELECT
U1
VCC3V
VCC3V
4E EN
RTC EN
103
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
GP15
GP14
GP13
R3
R4
R4 ON
R4 OFF RTC_EN OFF
RTC_EN ON
IRQ8
LA23
LA22
LA23
GPIO5/IRQ8
GPIO4/PLED
GPIO3/IRQIN
IOCHRDY
GND
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
10K
10K
R3 ON
R3 OFF ACCESS PORT
ACCESS PORT
=
=
2Eh
4Eh
LA22
VCC7
LA21
IOCHRDY
LA21
LA20
LA19
LA18
LA20
AEN
LA19
AEN
SA19
SA18
SA17
LA18
SA19
GND
SA18
LA17
MEMR#
MEMW#
SD8
LA17
SA17
MEMR#
MEMW#
SD8
VCC
SA16
SA15
SA14
SA13
SA16
SA15
SD9
SD9
SA14
F85226
SD10
SD11
SD12
SD13
SD10
SD11
SD12
SD13
VCC8
SD14
SD15
MASTER#
DRQ7
GND
SA13
GND
SA12
SA11
SA10
SA9
SA12
VCC3V
SA11
SA10
SD14
SD15
SA9
SA[18..0]
U2
VCC4
SA8
MASTER#
DRQ7
SA8
1
30
2
13
14
15
17
18
19
20
21
SA7
SA7
A18
A17
A16
A15
A14
A13
A12
A11
A10
A9
DQ0
SA6
SA6
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
RTC_EN
4E_EN
SA5
DACK7#
DRQ6
DACK7#
DRQ6
DACK6#
SA5
GP12
GP11
3
MCCS#
KBCS#
GPIO2/MSCS#
GPIO1/KBCS#
29
28
4
DACK6#
C2
C3
25
23
26
27
5
0.1u
0.1u
VCC3V
F85226F
SD[7..0]
A8
A7
6
A6
C4
0.1u
7
A5
8
A4
9
A3
10
11
12
SA4
DRQ5
A2
SA3
DACK5#
DRQ0
A1
SA2
A0
SA1
DACK0#
IRQ14
SA0
PWR_PD
IRQ1
IRQ15
IRQ12
IRQ11
31
24
22
IRQ10
MEMW#
MEMR#
WE#
OE#
CE#
IOCS16#
MEMCS16#
CLKOUT2
CLKOUT1
14.318M
SERIRQ
PCICLK
LFRAM#
LAD0
LAD1
LAD2
LAD3
LAD[3..0]
PCIRST#
LDRQ#
Title
F85226F Application Circuit
Size
B
Document Number
<Doc>
Rev
<RevCode>
Date:
Monday, August 16, 2004
Sheet
1
of
3
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
VCC5V
R20
VCC5V
R21
R23
R24
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
R22
R25
R28
R31
R33
R34
R36
R39
R42
R45
R48
4.7K
1K
IOCHCK#
OWS#
R26
R
+12V
-12V
-5V
R27
R
R29
1K
R
IOCHRDY
MASTER#
REFRESH#
IOR#
R30
R
R32
R
8.2K
1K
R
R
R
J4
J5
J6
1
2
1
2
1
2
8.2K
8.2K
1K
R
R35
R37
R38
R40
CON2
CON2
CON2
SA10
SA9
SA8
SA7
SA6
SA5
SA4
SA3
SA2
MEMR#
MEMCS16#
IOCS16#
SMEMR#
SMEMW#
IOW#
R41
R
R43
1K
R
R44
R
R46
1K
R
C8
10u
C9
C10
10u
C12
10u
R47
R
C11
0.1u
C13
0.1u
1K
R
R
R
0.1u
8.2K
R49
R51
R
R50
R52
R53
R54
8.2K
SA1
SA0
MEMW#
LA23
LA22
LA21
LA20
LA19
LA18
LA17
R55
R
R56
R
R57
R
R58
R
R59
R
R
R
R
R
R60
R61
R62
R63
VCC5V
VCC3V
VCC5V
VCC3V
SD0
SD1
SD2
SD3
SD4
SD5
SD6
SD7
SD8
R64
R
R65
R
C14
0.1u
C15
0.1u
C16
0.1u
C17
0.1u
C18
0.1u
R66
R
C19
10u
C20
10u
C21
10u
C22
10u
R67
R
R68
R
R
R
R
R
R69
R70
R71
R72
SD9
SD10
SD11
SD12
SD13
SD14
SD15
IRQ14
IRQ15
R73
R
R74
R
R75
R
R76
R
R77
R
R
R
R
R
R78
R79
R80
R81
IRQ3
IRQ4
IRQ5
R82
R
IRQ6
R83
R
IRQ7
R84
R
IRQ9
R85
R
IRQ10
IRQ11
IRQ12
R86
R
R
R
R
R
R87
R88
R89
R90
DRQ0
DRQ1
DRQ2
DRQ3
DRQ5
DRQ6
DRQ7
R91
R
R92
R
R93
R
Title
R
R
R
R
F85226F Application Circuit
Size
B
Document Number
<Doc>
Rev
<Rev Code>
Date:
Tuesday, December 23, 2003
Sheet
2
of
3
July, 2007
V0.25P
Feature Integration Technology Inc.
Fintek
VCC5V
VCC5V
VCC5V
J7
J8
J9
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
1
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
1
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
1
IOCHCK#
SD7
IOCHCK#
SD7
IOCHCK#
SD7
GND
IOCHCK#
SD7
GND
IOCHCK#
SD7
GND
IOCHCK#
SD7
2
2
2
RSTDRV
IRQ9
RESDRV
+5V
RSTDRV
IRQ9
RESDRV
+5V
RSTDRV
IRQ9
RESDRV
+5V
3
3
3
SD6
SD6
SD6
SD6
SD6
SD6
4
4
4
SD5
SD5
SD5
IRQ9
-5V
SD5
IRQ9
-5V
SD5
IRQ9
-5V
SD5
5
5
5
-5V
-12V
+12V
SD4
-5V
-12V
+12V
SD4
-5V
-12V
+12V
SD4
SD4
SD4
SD4
6
6
6
SD3
SD3
SD3
DRQ2
OWS#
DRQ2
-12V
SD3
DRQ2
OWS#
DRQ2
-12V
SD3
DRQ2
OWS#
DRQ2
-12V
SD3
7
7
7
SD2
SD2
SD2
SD2
SD2
SD2
8
8
8
SD1
SD1
SD1
0WS
SD1
0WS
SD1
0WS
SD1
9
9
9
SD0
SD0
SD0
+12V
SD0
+12V
SD0
+12V
SD0
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
IOCHRDY
AEN
IOCHRDY
AEN
IOCHRDY
AEN
GND
IORDY
AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
GND
IORDY
AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
GND
IORDY
AEN
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SMEMW#
SMEMR#
IOW#
SMEMW#
SMEMR#
IOW#
IOR#
DACK3#
DRQ3
DACK1#
DRQ1
REF#
CLK
SMEMW#
SMEMR#
IOW#
SMEMW#
SMEMR#
IOW#
IOR#
DACK3#
DRQ3
DACK1#
DRQ1
REF#
CLK
SMEMW#
SMEMR#
IOW#
SMEMW#
SMEMR#
IOW#
IOR#
DACK3#
DRQ3
DACK1#
DRQ1
REF#
CLK
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
SA19
SA18
SA17
SA16
SA15
SA14
SA13
SA12
SA11
SA10
SA9
IOR#
IOR#
IOR#
DACK3#
DRQ3
DACK3#
DRQ3
DACK3#
DRQ3
DACK1#
DRQ1
DACK1#
DRQ1
DACK1#
DRQ1
SYSCLK
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
TC
SYSCLK
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
TC
SYSCLK
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
TC
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
T/C
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
T/C
IRQ7
IRQ6
IRQ5
IRQ4
IRQ3
DACK2#
T/C
SA8
SA8
SA8
SA8
SA8
SA8
SA7
SA7
SA7
SA7
SA7
SA7
SA6
SA6
SA6
SA6
SA6
SA6
SA5
SA5
SA5
SA5
SA5
SA5
SA4
SA4
SA4
SA4
SA4
SA4
SA3
SA3
SA3
BALE
BALE
+5
SA3
BALE
BALE
+5
SA3
BALE
BALE
+5
SA3
SA2
SA2
SA2
SA2
SA2
SA2
SA1
SA1
SA1
OSC
OSC
SA1
OSC
OSC
SA1
OSC
OSC
SA1
SA0
SA0
SA0
GND
SA0
GND
SA0
GND
SA0
C23
0.1u
A/B CHANNEL
C24
0.1u
A/B CHANNEL
C25
0.1u
A/B CHANNEL
J10
J11
J12
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1
MECS16#
IOCS16#
IRQ10
SBHE#
LA23
MECS16#
IOCS16#
IRQ10
SBHE#
LA23
MECS16#
IOCS16#
IRQ10
SBHE#
LA23
MECS16#
IOCS16#
IRQ10
SBHE
LA23
MECS16#
IOCS16#
IRQ10
SBHE
LA23
MECS16#
IOCS16#
IRQ10
SBHE
LA23
2
2
2
3
3
3
LA22
LA22
LA22
LA22
LA22
LA22
4
4
4
LA21
LA21
LA21
IRQ11
IRQ11
LA21
IRQ11
IRQ11
LA21
IRQ11
IRQ11
LA21
5
5
5
LA20
LA20
LA20
IRQ12
IRQ12
LA20
IRQ12
IRQ12
LA20
IRQ12
IRQ12
LA20
6
6
6
LA19
LA19
LA19
IRQ15
IRQ15
LA19
IRQ15
IRQ15
LA19
IRQ15
IRQ15
LA19
7
7
7
LA18
LA18
LA18
IRQ14
IRQ14
LA18
IRQ14
IRQ14
LA18
IRQ14
IRQ14
LA18
8
8
8
LA17
LA17
LA17
DACK0#
DRQ0
DACK0#
DRQ0
LA17
DACK0#
DRQ0
DACK0#
DRQ0
LA17
DACK0#
DRQ0
DACK0#
DRQ0
LA17
9
9
9
MEMR#
MEMW#
SD8
MEMR#
MEMW#
SD8
MEMR#
MEMW#
SD8
MEMR#
MEMW#
SD08
SD09
SD10
SD11
SD12
SD13
SD14
SD15
MEMR#
MEMW#
SD08
SD09
SD10
SD11
SD12
SD13
SD14
SD15
MEMR#
MEMW#
SD08
SD09
SD10
SD11
SD12
SD13
SD14
SD15
10
11
12
13
14
15
16
17
18
10
11
12
13
14
15
16
17
18
10
11
12
13
14
15
16
17
18
DACK5#
DRQ5
DACK5#
DRQ5
DACK5#
DRQ5
DACK5#
DRQ5
DACK5#
DRQ5
DACK5#
DRQ5
SD9
SD9
SD9
DACK6#
DRQ6
DACK6#
DRQ6
DACK6#
DRQ6
DACK6#
DRQ6
DACK6#
DRQ6
DACK6#
DRQ6
SD10
SD11
SD12
SD13
SD14
SD15
SD10
SD11
SD12
SD13
SD14
SD15
SD10
SD11
SD12
SD13
SD14
SD15
DACK7#
DRQ7
DACK7#
DRQ7
DACK7#
DRQ7
DACK7#
DRQ7
DACK7#
DRQ7
DACK7#
DRQ7
+5V
+5V
+5V
MASTER#
MASTER#
GND
MASTER#
MASTER#
GND
MASTER#
MASTER#
GND
C/D CHANNEL
C/D CHANNEL
C/D CHANNEL
C26
0.1u
C27
0.1u
C28
0.1u
Title
F85226F Application Circuit
Size
B
Document Number
<Doc>
Rev
<Rev Code>
Date:
Tuesday, December 23, 2003
Sheet
3
of
3
July, 2007
V0.25P
相关型号:
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