P R E L I M I N A R Y

AMD

 

 

 

Am79C930 Device ISA Plug And Play Mode Plug And Play Register Set

 

 

 

ISA Plug and Play

Plug and Play Port

 

Register Name

ADDRESS

Physical Location

 

 

 

Set READ_DATA port

00h

BIU

 

 

 

Serial Isolation

01h

BIU

 

 

 

Configuration Control

02h

BIU

 

 

 

Wake [CSN]

03h

BIU

 

 

 

Resource Data

04h

Flash Memory 1 FC00h–1 FFF0h

 

 

Total of 1K–16 bytes. The uppermost 16

 

 

bytes of Flash memory space are

 

 

reserved because they are the location of

 

 

the embedded 80188 core's instruction

 

 

pointer following an Am79C930 device

 

 

reset operation.

 

 

 

Status

05h

BIU

 

 

 

Card Select Number (CSN)

06h

BIU

 

 

 

Logical Device Number

07h

BIU

 

 

 

Unused

08h–2Fh

NA

 

 

 

Activate

30h

BIU

 

 

 

I/O Range Check

31h

BIU

 

 

 

Unused

32h–3Fh

NA

 

 

 

Memory Base Address

0 40h

BIU

bits [23:16] descriptor

 

 

 

 

 

Memory Base Address

0 41h

BIU

bits [15:08] descriptor

 

 

 

 

 

Memory Control

42h

BIU

 

 

 

Memory range length

0 43h

BIU

bits [23:16] for descriptor

 

 

 

 

 

Memory range length

0 44h

BIU

bits [25:08] for descriptor

 

 

 

 

 

Unused

45h–5Fh

NA

 

 

 

I/O Base Address

0 60h

BIU

bits [15:08] descriptor

 

 

 

 

 

I/O Base Address

0 61h

BIU

bits [07:00] descriptor

 

 

 

 

 

Memory Control

62h–6Fh

BIU

 

 

 

Interrupt request level select 0

70h

BIU

 

 

 

Interrupt request type select

0 71h

BIU

 

 

 

Unused

72h–73h

NA

 

 

 

DMA Channel Select 0

74h

BIU

 

 

 

Unused

75h–FFh

NA

 

 

 

Am79C930

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Page 69
Image 69
AMD Am79C930 manual ISA Plug and Play Plug and Play Port Register Name, Address