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Table 3.2 pci configuration register map, Pci configuration register map, Table 3.2 – Avago Technologies LSI8751D User Manual

Page 76

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3-12

PCI Functional Description

Table 3.2

PCI Configuration Register Map

31

16 15

0

Device ID

Vendor ID

0x00

Status

Command

0x04

Class Code

Revision ID

0x08

Not Supported

Header Type

Latency Timer

Cache Line Size

0x0C

Base Address Zero (I/O)

1

1. I/O Base is supported.

0x10

Base Address One (Memory)

2

2. Memory Base is supported.

0x14

Base Address Two (Memory) SCRIPTS RAM

3

3. This register powers up enabled and can be disabled by pull-down resistors on the MAD5 pin.

0x18

Not Supported

0x1C

Not Supported

0x20

Not Supported

0x24

Reserved

0x28

Subsystem ID (SSID)

Subsystem Vendor ID (SSVID)

0x2C

Expansion ROM Base Address

4

4. If expansion memory is enabled through pull-down resistors on the MAD[7:0] bus.
Note: Addresses 0x40–0x7F are not defined for the LSI53C875. Addresses 0x48–0x7F are not defined

for the LSI53C875E. All unsupported registers are not writable and return all zeros when read.
Reserved registers also return zeros when read.

0x30

Reserved

Capabilities Pointer

0x34

Reserved

0x38

Max_Lat

Min_Gnt

Interrupt Pin

Interrupt Line

0x3C

Power Management Capabilities

Next Item Pointer

Capability ID

0x40

Data

Bridge Support Exten-

sions (PMCSR_BSE)

Power Management Control/Status

0x44

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