Vmebus Slave Address Translation Select Register 1; Vmebus Slave Address Translation Select Register 2 - Motorola MVME172 Programmer's Reference Manual

Vme embedded controller
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VMEchip2

VMEbus Slave Address Translation Select Register 1

2
ADR/SIZ
BIT
NAME
OPER
RESET
2-30
15
Address Translation Select Register 1
This register is the address translation select register for the first 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
FFFF
128KB
FFFE
256KB
FFFC
512KB
FFF8
1MB
FFF0
2MB
FFE0
4MB
FFC0
8MB
FF80
16MB
FF00
$FFF40008 (16 bits of 32)
. . .
R/W
0 PS
Segment
Computer Group Literature Center Web Site
Address
Translation
Size
Select Value
32MB
FE00
64MB
FC00
128MB
F800
256MB
F000
512MB
E000
1GB
C000
2GB
8000
4GB
0000
0

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