Rom Control Register - Motorola MVME172 Programmer's Reference Manual

Vme embedded controller
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I2WP
I2EN

ROM Control Register

ADR/SIZ
BIT
7
NAME
OPER
RESET
This function is not used on the MVME172.
http://www.mcg.mot.com/literature
2VMEchip2
2LCSR Programming Model
When this bit is high, write posting is enabled to the local
bus F page. When this bit is low, write posting is disabled
to the local bus F page.
When this bit is high, the F page ($F0000000 through
$FF7FFFFF) map decoder is enabled. The F0 page is
defined as A24/D16 on the VMEbus while the F1-FE
pages are defined as A32/D16. When this bit is low, the F
page is disabled.
6
5
SIZE
R/W
0 PS
LCSR Programming Model
$FFF4002C
4
3
2
BSSPD
R/W
0 PS
1
0
ASPD
R/W
0 PS
2-51
2

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