Motorola MVME172 用户手册
2-32
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VMEchip2
2
VMEbus Slave Write Post and Snoop Control Register 2
This register is the slave write post and snoop control register for the
second VMEbus to local bus map decoder.
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.
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:
for the address range defined by the second VMEbus
slave map decoder. The snooping functions are:
0
Snoop enabled
1
Snoop inhibited
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.
translation. When this bit is low, the adder is not used for
address translation.
ADR/SIZ
$FFF40010 (8 bits [4 used] of 32)
BIT
31
30
29
28
27
26
25
24
NAME
ADDER2
SNP2
WP2
OPER
R/W
R/W
R/W
RESET
0 PS
0 PS
0 PS