Motorola MVME166IG/D2 User Manual

Page 102

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Configure and Environment Commands

A-10

MVME166 Single Board Computer Installation Guide

A

Master Address Translation Address #4

00000000

This register will allow the
VMEbus address and the local
address to be different. The
value in this register is the base
address of VMEbus resource that
is associated with the starting
and ending address selections
from the previous questions.
Default is 0.

Master Address Translation Select #4

00000000

This register defines which bits
of the address are significant. A
logical one "1" indicates
significant address bits, logical
zero "0" is non-significant.
Default is 0.

Master Control #4

00

Defines the access characteristics
for the address space defined
with this master address
decoder.
Default is $00.

Short I/O (VMEbus A16) Enable [Y/N]

Y

Yes, Enable the Short I/O
Address Decoder.

Short I/O (VMEbus A16) Control

01

Defines the access characteristics
for the address space defined
with the Short I/O address
decoder.
Default is $01.

F-Page (VMEbus A24) Enable [Y/N]

Y

Yes, Enable the F-Page Address
Decoder.

F-Page (VMEbus A24) Control

02

Defines the access characteristics
for the address space defined
with the F-Page address decoder.
Default is $02.

ROM Speed Bank A Code
ROM Speed Bank B Code

04
04

Used to set up the ROM speed.
Default $04 = 145 ns.

Static RAM Speed Code

00

Used to set up the SRAM speed.
Default $00 = 115 ns.

PCC2 Vector Base
VMEC2 Vector Base #1
VMEC2 Vector Base #2

05
06
07

Base interrupt vector for the
component specified. Default:
PCCchip2 = $05,
VMEchip2 Vector 1 = $06,
VMEchip2 Vector 2 = $07.

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options

Default

Meaning of Default

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