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Registers: 0xa0–0xa3, Registers: 0xa4–0xa7 – Avago Technologies LSI53C1000R User Manual

Page 240

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4-128

Registers

Version 2.2

Copyright © 2000–2003 by LSI Logic Corporation. All rights reserved.

Registers: 0xA0–0xA3

Shadowed Memory Move Read Selector (MMRS)
Read/Write

MMRS

Shadowed Memory Move Read Selector

[31:0]

When the PCI Configuration Info Enable bit in the

Chip Test Two (CTEST2)

register is set, the MMRS

register is placed in the shadow mode. In this mode, the

Memory Move Read Selector (MMRS)

register returns

bits [31:0] of the memory mapped operating register, PCI

Base Address Register Two (BAR2) (MEMORY)

, when

read. Writes to the MMRS register have no effect.
Clearing the PCI Configuration Info Enable bit causes the
MMRS register to return to normal operation.

Registers: 0xA4–0xA7

Shadowed Memory Move Write Selector (MMWS)
Read/Write

MMWS

Shadowed Memory Move Write Selector

[31:0]

When the PCI Configuration Info Enable bit in the

Chip Test Two (CTEST2)

register is set, the MMWS

register is placed in the shadow mode. In this mode, the
MMWS register returns bits [31:0] of the SCRIPT RAM
PCI

Base Address Register Four (BAR4) (SCRIPTS RAM)

in bits [31:0] of the MMWS register when read. Writes to
the MMWS register have no effect. Clearing the PCI
Configuration Info Enable bit causes the MMWS register to
return to normal operation.

31

0

MMRS

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

31

0

MMWS

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

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