Vmebus Slave Address Translation Address Offset Register 2; Vmebus Slave Address Translation Select Register 2 - Motorola MVME162FX Programmer's Reference Manual

VMEchip2

VMEbus Slave Address Translation Address Offset Register 2

2
ADR/SIZ
BIT
NAME
OPER
RESET

VMEbus Slave Address Translation Select Register 2

ADR/SIZ
BIT
NAME
OPER
RESET
2-34
31
Address Translation Address Offset Register 2
This register is the address translation address register for the
second VMEbus to local bus map decoder. It should be
programmed to the local bus starting address. When the adder is
enabled, this register is the offset value.
15
Address Translation Select Register 2
This register is the address translation select register for the second
VMEbus to local bus map decoder. The address translation select
register value is based on the segment size (the difference between
the VMEbus starting and ending addresses). If the segment size is
between the sizes shown in the table below, assume the larger size.
Address
Segment Translation
Size Select Value
64KB
128KB
256KB
512KB
1MB
2MB
4MB
8MB
16MB
$FFF4000C (16 bits of 32)
. . .
R/W
0 PS
$FFF4000C (16 bits of 32)
. . .
R/W
0 PS
Segment
FFFF
FFFE
FFFC
FFF8
FFF0
FFE0
FFC0
FF80
FF00
16
0
Address
Translation
Size Select Value
32MB FE00
64MB FC00
128MB F800
256MB F000
512MB E000
1GB C000
2GB 8000
4GB 0000