CS5920 datasheet(8/160 Pages) AMCC

8 / 160 page

S5920 – PCI Product

Revision 1.01 – November 28, 2005

AMCC Confidential and Proprietary

DS1596

Data Book

S5920 16-bit Mode Register Accesses ......................................................................................................... 114

16 Bit Mode Operation Register DWORD Write/Read .................................................................................. 115

MAILBOX OVERVIEW ........................................................................................................................................ 116

PASS-THRU OVERVIEW .................................................................................................................................... 116

WRITE FIFO OVERVIEW .................................................................................................................................... 116

FUNCTIONAL DESCRIPTION ............................................................................................................................ 116

Pass-Thru Transfers ...................................................................................................................................... 116

Pass-Thru Status/Control Signals ................................................................................................................. 117

BUS INTERFACE ................................................................................................................................................ 117

PCI Bus Interface .......................................................................................................................................... 117

PCI Pass-Thru Single Cycle Accesses .......................................................................................................... 118

PCI Pass-Thru Burst Accesses ..................................................................................................................... 118

PCI Disconnect Conditions ............................................................................................................................ 118

PCI Write Disconnect .................................................................................................................................... 119

PCI Read Disconnect .................................................................................................................................... 119

S5920 PASSIVE MODE OPERATION ................................................................................................................ 120

Single-Cycle PCI to Pass-Thru Write ............................................................................................................ 120

PCI To Add-On Passive Write ....................................................................................................................... 121

PCI To Add-On Passive Write w/Pass-Thru Address .................................................................................... 121

Single-Cycle PCI to Pass-Thru Read ............................................................................................................ 121

PCI To Add-On Passive Read ....................................................................................................................... 122

PCI to Pass-Thru Burst Writes ...................................................................................................................... 122

PCI to Add-On Passive Burst Write ............................................................................................................... 123

PCI to Add-On Passive Burst Write Using PTRDY# to assert Wait-States ................................................... 125

PCI to Add-On Passive Burst Read Access .................................................................................................. 125

Pass-Thru Burst Reads ................................................................................................................................. 126

PCI to Add-On Passive Burst Read ............................................................................................................... 127

Using PTRDY# to assert Wait-States ............................................................................................................ 128

8-Bit and 16-Bit Pass-Thru Add-On Bus Interface in Passive Mode ............................................................. 129

Byte Lane Steering for PCI Write (Add-On Read) ......................................................................................... 130

Byte Lane Steering for PCI Read (Add-On Write) ......................................................................................... 130

PCI to Add-On Passive Write to an 8-bit ....................................................................................................... 131

Endian Conversion ........................................................................................................................................ 132

Active Operation ............................................................................................................................................ 133

Showing Big Endian Conversion for 32-bit .................................................................................................... 133

PCI to Add-On Passive Read to an 16-bit Add-On Device ............................................................................ 133

Big Endian conversion for a 16-bit bus. The S5920 drives D[15:0] only ....................................................... 134

Big Endian conversion for an 8-bit bus. The S5920 drives D[7:0] only ......................................................... 134

Active mode PCI Read (Zero Programmed Wait States) with PTADR# ........................................................ 134

Active Mode PCI Read without PTADR# ....................................................................................................... 134

Active Mode PCI Write without PTADR# ....................................................................................................... 135

Active mode Programmable Wait States ....................................................................................................... 135

PTRDY#/PTWAIT# ........................................................................................................................................ 135

Active Mode PCI Write with Add-On Initiated Wait States Using PTWAIT# .................................................. 135

Active Mode 32-Bit PCI Write ........................................................................................................................ 136

DXFR# ........................................................................................................................................................... 136

Active Mode Figures and Descriptions .......................................................................................................... 136

CS5920 数据表(PDF) 8 Page - Applied Micro Circuits Corporation

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