Motorola MVME162 manual Table A-1. ENV Command Parameters

Models: MVME162

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A

Configure and Environment Commands

Table A-1. ENV Command Parameters (Continued)

ENV Parameter and Options

Default

Meaning of Default

 

 

 

 

 

 

 

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 Access Time Code

03

This defines the ROM access

 

 

time. The default is $03, which

 

 

sets an access time of 180 ns.

 

 

 

Flash Access Time Code

02

This defines the FLASH access

 

 

time. The default is $02, which

 

 

sets an access time of 140 ns.

 

 

 

MCC Vector Base

05

Base interrupt vector for the

VMEC2 Vector Base #1

06

component specified. Default:

VMEC2 Vector Base #2

07

MCchip = $05, VMEchip2 Vector

 

 

1 = $06, VMEchip2 Vector 2 =

 

 

$07.

 

 

 

 

VMEC2 GCSR Group Base Address

D2

Specifies the group address

 

 

($FFFFXX00) in Short I/O for

 

 

this board. Default = $D2.

 

 

 

VMEC2 GCSR Board Base Address

00

Specifies the base address

 

 

($FFFFD2XX) in Short I/O for

 

 

this board. Default = $00.

 

 

 

VMEbus Global Time Out Code

01

This controls the VMEbus

 

 

timeout when systems

 

 

controller. Default $01 = 64 μs.

 

 

 

Local Bus Time Out Code

02

This controls the local bus

 

 

timeout. Default $02 = 256 μs.

 

 

 

VMEbus Access Time Out Code

02

This controls the local bus to

 

 

VMEbus access timeout. Default

 

 

$02 = 32 ms.

 

 

 

 

A-12

MVME162 Embedded Controller Installation Guide

Page 118
Image 118
Motorola MVME162 manual Table A-1. ENV Command Parameters