5802-DS02-R datasheet(44/50 Pages) BOARDCOM

44 / 50 page

■ BCM5802

Production Specification

07/03/02

B roa dcom Co rpo rat ion

Page 36 BCM5802 Registers

Document

5802-DS03-405-R

PCI Class Code Register: 0x08

31:8

0B4000

Class code value (hard-wired). 0x0B4000 (processor class, coprocessor

subclass).

PCI BIST Register, Cache line, Master Latency, Header: 0x0C

BIST capable. The BCM5802 is not capable of performing PCI configuration

BIST operation.

BIST Start. Not supported on BCM5802.

29:28

Reserved.

27:24

BIST completion code. Not supported on BCM5802.

23:16

Header type.

15:0

Master latency timer.

7:0

Cache line size.

PCI Memory BAR: 0x10

31:0

0xFFFF0000

Memory Base Address Register, 64 KB region, non-prefetchable, relocate in

32-bit space only.

PCI MAX_LAT, MIN_GNT, Interrupt: 0x3C

31:24

PCI MAX_LAT parameter.

23:16

Length of burst period MIN_GNT.

15:8

0x1

Interrupt pin register.

7:0

Interrupt line register.

PCI Retry Timeout, TRDY Timeout: 0x40

15:8

0x80

Number of retries that the PCI interface performs.

7:0

0x80

TRDY timeout value.

Table 27:

PCI Configuration Registers (Cont.)

Bits

Access

Reset

Purpose

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