Local Bus To Vmebus Enable Control Register - Motorola MVME172 Programmer's Reference Manual

Local Bus to VMEbus Enable Control Register

ADR/SIZ
BIT
NAME
OPER
RESET
This register is the map decoder enable register for the four programmable
local bus to VMEbus map decoders.
EN1
EN2
EN3
EN4
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$FFF4002C (4 bits of 32)
When this bit is high, the first local bus to VMEbus map
decoder is enabled. When this bit is low, the first local bus
to VMEbus map decoder is disabled.
When this bit is high, the second local bus to VMEbus
map decoder is enabled. When this bit is low, the second
local bus to VMEbus map decoder is disabled.
When this bit is high, the third local bus to VMEbus map
decoder is enabled. When this bit is low, the third local
bus to VMEbus map decoder is disabled.
When this bit is high, the fourth local bus to VMEbus map
decoder is enabled. When this bit is low, the fourth local
bus to VMEbus map decoder is disabled.
LCSR Programming Model
19 18 17
EN4 EN3 EN2
R/W R/W R/W
0 PSL 0 PSL 0 PSL
2
16
EN1
R/W
0 PSL
2-49