Computer Hardware User Manual

Table Of Contents
LCSR Programming Model
http://www.motorola.com/computer/literature 2-49
2
Local-Bus-to-VMEbus Enable Control Register
This register is the map decoder enable register for the four programmable
local-bus-to-VMEbus map decoders.
EN1 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.
EN2 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.
EN3 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.
EN4 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.
ADR/SIZ $FFF4002C (4 bits of 32)
BIT 19 18 17 16
NAME EN4 EN3 EN2 EN1
OPER R/W R/W R/W R/W
RESET 0 PSL 0 PSL 0 PSL 0 PSL