Motorola MVME197LE User Manual

Page 52

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Operating Instructions

3-22

User’s Manual

3

Table 3-10. 82596CA Ethernet LAN Memory Map

82596CA Ethernet LAN

Directly Accessible Registers

N

otes

1. Refer to the MPU Port and MPU Channel Attention

registers in the PCCchip2 chapter of the MVME197LE,
MVME197DP, and MVME197SP Single Board
Computers Programmer’s Reference Guide.

2. After reset you must write the System Configuration

Pointer to the command registers prior to writing to the
CPU Channel Attention register. Writes to the System
Configuration Pointer must be upper word first, lower
word second.

Data Bits

Address

D31

D16

D15

D0

$FFF46000

Upper Command Word

Lower Command Word

$FFF46004

MPU Channel Attention (CA)

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