Hayes Microcomputer Products RCV56HCF manual PCI Configuration Registers, Vendor ID Field

Models: RCV56HCF

1 70
Download 70 pages 35.45 Kb
Page 59
Image 59

RCV56HCF PCI/CardBus Modem Designer’s Guide

5. SOFTWARE INTERFACE

5.1 PCI Configuration Registers

The PCI Configuration registers are located in the BIF. Table 5-1 identifies the configuration register contents that are supported in the BIF device:

Table 5-1. PCI Configuration Registers

 

 

 

 

Bit

 

 

 

Offset

31:24

 

23:16

 

15:8

 

7:0

(Hex)

 

 

 

 

 

 

 

 

 

0

Device ID

 

 

 

 

Vendor ID

4

Status

 

 

 

 

Command

 

 

 

 

 

 

 

 

 

 

8

 

 

Class Code

 

 

 

 

 

Revision ID

C

Not Implemented

 

Header Type

 

 

Latency Timer

 

 

Not Implemented

 

 

 

 

 

 

 

 

 

10

 

 

Base Address 0 - Memory (BIF)

 

 

 

14

 

 

Unused Base Address Register

 

 

 

18

 

 

Unused Base Address Register

 

 

 

 

 

 

 

 

 

 

 

1C

 

 

Unused Base Address Register

 

 

 

20

 

 

Unused Base Address Register

 

 

 

24

 

 

Unused Base Address Register

 

 

 

 

 

 

 

 

 

 

 

 

28

 

 

 

CIS Pointer

 

 

 

2C

Subsystem ID

 

 

Subsystem Vendor ID

30

 

 

Not Implemented

 

 

 

 

 

 

 

 

 

 

 

 

34

 

 

 

Reserved

 

 

 

38

 

 

 

Reserved

 

 

 

3C

Max Latency

 

Min Grant

 

 

Interrupt Pin

 

 

Interrupt Line

 

 

 

 

 

 

 

 

 

 

5.1.1 Vendor ID Field

This field is read-only and is loaded from the serial EEPROM after reset events. The default value for the Vendor ID is 127a.

5.1.2 Device ID Field

This field is read-only and is loaded from the serial EEPROM after reset events.

1129

ROCKWELL PROPRIETARY INFORMATION

5-1

Page 59
Image 59
Hayes Microcomputer Products RCV56HCF manual PCI Configuration Registers, Vendor ID Field, Device ID Field