Motorola MVME172 User Manual

Page 113

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LCSR Programming Model

http://www.mcg.mot.com/literature

2-35

2

VMEbus Slave Write Post and Snoop Control Register 1

This register is the slave write post and snoop control register for the first
VMEbus to local bus map decoder.

WP1

When this bit is high, write posting is enabled for the
address range defined by the first VMEbus slave map
decoder. When this bit is low, write posting is disabled for
the address range defined by the first VMEbus slave map
decoder.

SNP1

These bits control the snoop enable lines to the local bus
for the address range defined by the first VMEbus slave
map decoder. The snooping functions are:

0

Snoop enabled

1

Snoop inhibited

ADDER1

When this bit is high, the adder is used for address
translation. When this bit is low, the adder is not used for
address translation.

ADR/SIZ

$FFF40010 (8 bits [4 used] of 32)

BIT

15

14

13

12

11

10

9

8

NAME

ADDER1

SNP1

WP1

OPER

R/W

R/W

R/W

RESET

0 PS

0 PS

0 PS

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