Local-bus-to-vmebus enable control register, Local-bus-to-vmebus enable control register -49 – Motorola MVME1X7P User Manual

Page 139

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LCSR Programming Model

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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

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