CS5920 datasheet(4/160 Pages) AMCC

4 / 160 page

S5920 – PCI Product

Revision 1.01 – November 28, 2005

AMCC Confidential and Proprietary

DS1596

Data Book

S5920 REGISTER ARCHITECTURE .................................................................................................................... 23

PCI Configuration Registers ............................................................................................................................ 23

PCI Bus Accessible Registers ......................................................................................................................... 23

Add-On Bus Accessible Registers ................................................................................................................... 23

SERIAL NON-VOLATILE INTERFACE ................................................................................................................ 23

S5920 Pinout ................................................................................................................................................... 24

MAILBOX OPERATION ........................................................................................................................................ 25

PASS-THRU OPERATION .................................................................................................................................... 25

Mailbox Block Diagram .................................................................................................................................... 25

Pass-Thru Block Diagram ................................................................................................................................ 26

S5920 Pin Assignment .................................................................................................................................... 28

PCI Bus Address and Data Signal ................................................................................................................... 29

PCI Bus System Signals .................................................................................................................................. 30

PCI Bus Data Transfer Control Signals ........................................................................................................... 30

PCI Bus Error Reporting Signals ..................................................................................................................... 30

ADD-ON BUS AND S5920 CONTROL SIGNALS ................................................................................................ 31

Serial nvRAM Interface Signals ....................................................................................................................... 31

Direct Mailbox Access Signals ........................................................................................................................ 31

USER ADD-ON BUS PIN DESCRIPTIONS .......................................................................................................... 32

Pass-Thru Data Channel Pins ......................................................................................................................... 32

S5920 Add-On Bus Register Access Pins ....................................................................................................... 33

Add-On Bus General Pins ............................................................................................................................... 34

Configuration Registers ................................................................................................................................... 35

VENDOR IDENTIFICATION REGISTER (VID) ..................................................................................................... 37

Vendor Identification Register ......................................................................................................................... 37

DEVICE IDENTIFICATION REGISTER (DID) ....................................................................................................... 38

Device Identification Register .......................................................................................................................... 38

PCI COMMAND REGISTER (PCICMD) ................................................................................................................ 39

PCI Command Register ................................................................................................................................... 39

PCI STATUS REGISTER (PCISTS) ...................................................................................................................... 41

PCI Status Register ......................................................................................................................................... 41

REVISION IDENTIFICATION REGISTER (RID) ................................................................................................... 43

Revision Identification Register ....................................................................................................................... 43

CLASS CODE REGISTER (CLCD) ....................................................................................................................... 44

Class Code Register ........................................................................................................................................ 44

Defined Base Class Codes .............................................................................................................................. 45

Base Class Code 00h: Early, Pre-2.0 Specification Devices ........................................................................... 45

Base Class Code 01h: Mass Storage Controllers ........................................................................................... 45

Base Class Code 02h: Network Controllers .................................................................................................... 45

Base Class Code 03h: Display Controllers ...................................................................................................... 46

Base Class Code 04h: Multimedia Devices ..................................................................................................... 46

Base Class Code 05h: Memory Controllers .................................................................................................... 46

Base Class Code 06h: Bridge Devices ............................................................................................................ 47

Base Class Code 07h: Simple Communications Controllers ........................................................................... 47

Base Class Code 08h: Base System Peripherals ........................................................................................... 47

Base Class Code 09h: Input Devices .............................................................................................................. 48

Base Class Code 0Ah: Docking Stations ........................................................................................................ 48

CS5920 数据表(PDF) 4 Page - Applied Micro Circuits Corporation

CS5920 数据表(HTML) 4 Page - Applied Micro Circuits Corporation

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