Vmebus Slave Write Post And Snoop Control Register 2 - Motorola MVME172 Programmer's Reference Manual

VMEchip2

VMEbus Slave Write Post and Snoop Control Register 2

2
ADR/SIZ
BIT
NAME
OPER
RESET
2-32
$FFF40010 (8 bits [4 used] of 32)
31 30 29
This register is the slave write post and snoop control register for the
second VMEbus to local bus map decoder.
WP2 When this bit is high, write posting is enabled for the
address range defined by the second VMEbus slave map
decoder. When this bit is low, write posting is disabled for
the address range defined by the second VMEbus slave
map decoder.
SNP2 These bits control the snoop enable lines to the local bus
for the address range defined by the second VMEbus
slave map decoder. The snooping functions are:
0
1
ADDER2 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.
28 27
ADDER2
R/W
0 PS
Snoop enabled
Snoop inhibited
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26 25 24
SNP2 WP2
R/W R/W
0 PS 0 PS