AX88140A データシートの表示（PDF） - Unspecified

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AX88140A

Fast Ethernet MAC Controller

Unspecified 

AX88140A

PRELIMINARY

3.0 Configuration Operation

1. Software reset (REG0<0>) has no effect on the configuration registers.

2. Hardware reset puts the configuration registers in default values.

3. The configuration registers could be accessed in byte, word , and long-word.

3.1 Configuration Space Mapping

CONFIGURATION REGISTER

DEVICE/VENDOR ID

COMMAND AND STATUS

REVISION

LATENCY TIMER

BASE I/O ADDRESS

BASE MEMORY ADDRESS

RESERVED

SUBSYSTEM ID

EXPANSION ROM BASE ADDRESS

RESERVED

INTERRUPT

Special Use

IDENTIFIER

CSID

CSCS

CSRV

CSLT

CBIO

CBMA

-

-

CBER

-

CSIT

SUD

I/O ADDRESS OFFSET

00H

04H

08H

0CH

10H

14H

18H-28H

2CH

30H

34H - 38H

3CH

40H

Tab - 5 Configuration Space Mapping

17

ASIX ELECTRONICS CORPORATION

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