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Transcript
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
VMEC2 Vector Base #1
VMEC2 Vector Base #2
05
06
07
Base interrupt vector for the
component specified. Default:
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