w83629d Winbond Electronics Corp America, w83629d Datasheet

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w83629d

Manufacturer Part Number
w83629d
Description
Pci To Isa Bridge Set
Manufacturer
Winbond Electronics Corp America
Datasheet

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W83629D
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W83629D
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Table of Content-
1.
2.
3.
4.
5.
6.
7.
8.
GENERAL DESCRIPTION .............................................................................................................. 3
FEATURES...................................................................................................................................... 3
PACKAGE........................................................................................................................................ 3
BLOCK DIAGRAM OF W83628F .................................................................................................... 4
BLOCK DIAGRAM OF W83629D.................................................................................................... 5
PIN CONFIGURATION.................................................................................................................... 6
6.1
6.2
PIN DESCRIPTION ......................................................................................................................... 8
7.1
7.2
PCI CONFIGURATION REGISTERS............................................................................................ 14
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10 WISA_FADC-ISA BRIDGE FAST DECODERS CONTROL REGISTER ............................ 18
8.11 WISA_FAD0MC-ISA BRIDGE FAST DECODERS # 0 MASK CONTROL REGISTER....... 18
8.12 WISA_FAD0MC-ISA BRIDGE FAST DECODERS # 1 MASK CONTROL REGISTER....... 18
8.13 WISA_FAD0MC-ISA BRIDGE FAST DECODERS # 2 MASK CONTROL REGISTER....... 19
PIN CONFIGURATION FOR 628F........................................................................................ 6
PIN CONFIGURATION FOR 629D ....................................................................................... 7
W83628F PIN DESCRIPTION............................................................................................... 8
7.1.1
7.1.2
7.1.3
7.1.4
W83629D PIN DESCRIPTION ............................................................................................ 12
7.2.1
7.2.2
7.2.3
7.2.4
7.2.5
VID-VENDOR IDENTIFICATION REGISTER ..................................................................... 14
DID-DEVICE IDENTIFICATION REGISTER....................................................................... 14
PCICMD-PCI COMMAND REGISTER................................................................................ 14
PCISTS-PCI STATUS REGISTER ...................................................................................... 15
REVID-REVISION IDENTIFICATION REGISTER .............................................................. 16
CCODE-CALSS CODE REGISTER.................................................................................... 16
HEADT-HEAD TYPE REGISTER........................................................................................ 16
IO_RCVR-IO RECOVERY REGISTER ............................................................................... 17
WISA_STS-ISA BRIDGE ERROR STATUS REGISTER .................................................... 18
PCI Interface .......................................................................................................................... 8
Control Logic and Handshaking Signals ................................................................................. 9
ISA Interface Signals ............................................................................................................ 10
Power Signals....................................................................................................................... 11
Control Logic and Handshaking Signals ............................................................................... 12
PC/PCI Interface .................................................................................................................. 12
IRQ Serializer Interface ........................................................................................................ 13
Power Signals....................................................................................................................... 13
NC Pins ................................................................................................................................ 13
- 1 -
PCI TO ISA BRIDGE SET
W83628F & W83629D
Publication Release Date: May 18, 2005
Revision A1

Related parts for w83629d

w83629d Summary of contents

Page 1

... Table of Content- 1. GENERAL DESCRIPTION .............................................................................................................. 3 2. FEATURES...................................................................................................................................... 3 3. PACKAGE........................................................................................................................................ 3 4. BLOCK DIAGRAM OF W83628F .................................................................................................... 4 5. BLOCK DIAGRAM OF W83629D.................................................................................................... 5 6. PIN CONFIGURATION.................................................................................................................... 6 6.1 PIN CONFIGURATION FOR 628F........................................................................................ 6 6.2 PIN CONFIGURATION FOR 629D ....................................................................................... 7 7. PIN DESCRIPTION ......................................................................................................................... 8 7.1 W83628F PIN DESCRIPTION............................................................................................... 8 7.1.1 PCI Interface .......................................................................................................................... 8 7.1.2 Control Logic and Handshaking Signals ................................................................................. 9 7.1.3 ISA Interface Signals ............................................................................................................ 10 7 ...

Page 2

... WISA_CTRLREG1-ISA BRIDGE CONTROL REGISTER 1................................................ 21 8.28 WISA_CTRLREG2-ISA BRIDGE CONTROL REGISTER 2................................................ 22 8.29 WISA_CTRLREG3-ISA BRIDGE CONTROL REGISTER 3................................................ 22 8.30 WISA_CTRLREG4-ISA BRIDGE CONTROL REGISTER 4................................................ 23 8.31 WISA_TSTREG-ISA BRIDGE TEST REGISTER................................................................ 23 9. PACKAGE DIMENSIONS 1 FOR W83628F (128-PIN PQFP) ..................................................... 24 10. PACKAGE DIMENSIONS 2 FOR W83629D (48-PIN LQFP) ....................................................... 24 11. REVISION HISTORY..................................................................................................................... 25 W83628F & W83629D -2- ...

Page 3

... GENERAL DESCRIPTION W83628F is a PCI-to-ISA bus conversion IC. W83629D is a condensed centralizer IC for IRQ and DMA control. W83628F and W83629D together form a complete set for the PCI-to-ISA bridge. For the new generation Intel chipset Camino and Whitney, featuring LPC bus, there is no support for ISA bus and slots ...

Page 4

... TRDY# IRDY# STOP# DEVSEL# IDSEL SERR# NOGO PCIRST# PCICLK ISOLATE# 3.3V 5V PCI Interface Interface Signal Isolation Control Power SuppIy Handshaking -4- W83628F & W83629D SA[19:0] SD[15:0] BALE AEN IOCHRDY IOCS16# IOCHK# IOR# ISA IOW# LA[23:17] SBHE# MEMCS16# MEMR# MEMW# SMEMR# SMEMW# ZEROWS# MASTER# REFRESH# ROMCS# RSTDRV ...

Page 5

... BLOCK DIAGRAM OF W83629D PCIRST# PCICLK NOGO HS[2:0] ISAREQ# ISAGNT# SERIRQ 3.3V 5V PCI Host & Bridge Set Handshaking Logic PCI/PCI Interface Serial to Parallel IRQ Power SuppIy - 5 - W83628F & W83629D DREQ[7:5,3:0] DACK[7:5,3:0]# TC IRQ[15,14,12:9,7:3] Publication Release Date: May 18, 2005 Revision A1 ...

Page 6

... -6- W83628F & W83629D ...

Page 7

... W83628F & W83629D DACK2# 24 DRQ1 DACK1# DRQ0 DACK0# TC GND HS2 HS1 HS0 VCC IRQ15 Publication Release Date: May 18, 2005 Revision A1 ...

Page 8

... PCICLK 47 PCLK_OUT 48 OUT 12t W83628F & W83629D FUNCTION PCI Bus Address and Data Signals. The standard PCI address and data lines. Address is driven with FRAME# assertion, data is driven or received in following clocks. PCI Bus Command and Byte Enables. During the address phase of a transaction C/BE[3:0]# define the bus command. ...

Page 9

... C/BE[3:0]#. PCI Reset. W83628F receives PCIRST reset from the PCI Bus. FUNCTION Handshaking Signals. HS[2:0] connected to W83629D for PCI to ISA SET handshaking signals. HS1 is handshaking Signal 1, this pin weak pulled-down during PCIRST# is asserted, and apply a pull-up resistor(4.7Kohm) to this pin disables ISA bridge subtraction decoder ...

Page 10

... SBHE IOCHK# 105 W83628F & W83629D FUNCTION System Address Bus. These are the upper address lines that define the ISA’s byte granular address space ( Mbyte). SA[19:17] are at an unknown state upon PCIRST#. System Address Bus. These are the bi-directional lower address lines that define the ISA’ ...

Page 11

... GND 111, 128 W83628F & W83629D FUNCTION Memory Read. MEMR# asserted indicates the current ISA bus cycle is a memory read. Memory Write. MEMW# asserted indicates the current ISA bus cycle is a memory write. ...

Page 12

... Bus. FUNCTION ISA Bus Request. This signal is a point-to-point signal between W83629D and a PCI HOST arbiter . The W83629D asserts this signal according to the PC/PCI protocol. ISA Bus Grant. This signal is a point-to-point signal between W83629D and a PCI HOST Bridge’s secondary bus PCPCIGNT# signal ...

Page 13

... NC 36, 37,38, 39, 45 I/O Serial Interrupt Requested Signals. This signal is for transfer IRQ mode between parallel IRQ to serial IRQ Parallel Interrupt Requested Input. I/O PWR 5V Supply. PWR 3.3V Supply. PWR Ground. I/O No Connection W83628F & W83629D FUNCTION FUNCTION FUNCTION Publication Release Date: May 18, 2005 Revision A1 ...

Page 14

... Fast Back to Back. This bit always returns a zero. Bit 8 SERR# Enable. =1 Enable. =0 Disable. Bit 7 Wait Cycle Control(Not supported). Hardwired to zero. Bit 6 Parity Error Response(Not supported). Hardwired to zero. Bit 5 VGA Palette Snoop Enable(Not supported). Hardwired to zero. Bit 4 Memory Write and Invalidate Enable(Not supported). Hardwired to zero. W83628F & W83629D -14- ...

Page 15

... This bit is set when the ISA bridge signals a target abort for a PCI transaction. Software sets this bit writing it. Bit 10:9 DEVSEL# Timing. This 2 bits always return a 01b(medium decode). Bit 8 Data Parity Detected(Not supported). Hardwired to zero. Bit 7 Fast Back-to-Back(Not supported). Hardwired to zero. W83628F & W83629D Publication Release Date: May 18, 2005 - 15 - Revision A1 ...

Page 16

... The register is a read-only register and used to indicate that the ISA bridge configuration space adheres to PCI local bus specification. It also indicates that ISA bridge is not a multifunction device. Bit 7 Multifunction Indicator Not a multifunction device. Bit 6:0 Layout Code. 00h = PCI layout type. W83628F & W83629D -16- ...

Page 17

... The 16-bit I/O recovery time is decided by bits 1:0. Bit 1:0 16-bit I/O Recovery Times. When bit 2=1 ,this 2-bit field defines the additional number of SYSCLKs added to standard 3.5 SYSCLK recovery time for 16 bit I SYSCLK = 10 2 SYSCLKs = 11 3 SYSCLKs = 00 4 SYSCLKs W83628F & W83629D Publication Release Date: May 18, 2005 - 17 - Revision A1 ...

Page 18

... WISA_FAD0MC-ISA BRIDGE FAST DECODERS # 1 MASK CONTROL REGISTER Address Offset: 59h Default Value: 00h Attribute: Read/Write This register is used to mask address bits(A7~A0) for fast address decoder # 1, if the corresponding bit of this register is set the corresponding address bit(A7~A0) is ignore by the faster address decoder # 1. W83628F & W83629D -18- ...

Page 19

... Default Value: 00h Attribute: Read/Write This register is used to mask address bits(A7~A0) for fast address decoder # 6, if the corresponding bit of this register is set the corresponding address bit(A7~A0) is ignore by the faster address decoder # 6. W83628F & W83629D Publication Release Date: May 18, 2005 - 19 - Revision A1 ...

Page 20

... Attribute: Read/Write This register contains the base address for fast address decoder # 3. 8.23 WISA_FADCB4-ISA BRIDGE FAST DECODERS # 4 BASE ADDRESS REGISTER Address Offset: 68-69h Default Value: 0000h Attribute: Read/Write This register contains the base address for fast address decoder # 4. W83628F & W83629D -20- ...

Page 21

... Enable High-Address BIOS ROM decoder. This bit can be set/reset by ROMCS# power-on setting during PCIRST# assert. Bit 0 =0 Normal mode. =1 Disable ISA Bridge subtraction decoder. This bit can be set/reset by HS1 power-on setting during PCIRST# assert. W83628F & W83629D Publication Release Date: May 18, 2005 - 21 - Revision A1 ...

Page 22

... Bit 0 =0 Enable IRQ3. =1 Disable IRQ3. 8.29 WISA_CTRLREG3-ISA BRIDGE CONTROL REGISTER 3 Address Offset: 72h Default Value: 00h Attribute: Read/Write Bit 7-3 Reserved. Bit 2 =0 Enable IRQ15. =1 Disable IRQ15. Bit 1 =0 Enable IRQ14. =1 Disable IRQ14. Bit 0 =0 Enable IRQ12. =1 Disable IRQ12. W83628F & W83629D -22- ...

Page 23

... PIIX4 for test set the bit Bit 3 Reserved and should not write data to this register. Bit 2-0 000 - 0.8 nS. 001 - 0.6 nS. 010 - 0.4 nS. 011 - 0.2 nS. 100 0 nS. 101 +0.2 nS. 110 +0.4 nS. 111 +0.6 nS. W83628F & W83629D For Winbond Internal Reference only. Publication Release Date: May 18, 2005 - 23 - Revision A1 ...

Page 24

... PACKAGE DIMENSIONS 1 FOR W83628F (128-PIN PQFP 102 65 103 128 See Detail F y Seating Plane 10. PACKAGE DIMENSIONS 2 FOR W83629D (48-PIN LQFP See Detail F Seating Plane Detail F 24 ...

Page 25

... Supports 3 fully ISA Compatible Slots without Buffering. Rename HS3 renamed to ROMCS# in W83628F,and NC in W83629D. Indicate the Bit 4 of offset address 80h is used to enable 80h port decoding when only positive decoding switched of LPC I/F. 25 ADD Important Notice ...

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