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Functional Description
MEN Mikro Elektronik GmbH
60
20A014-00 E2 – 2007-08-16
0
1
0
0
First: D31..D24
Ù
D7..D0
Second: D7..D0
Ù
D15..D8
D15..D8
Ù
D7..D0
1
0
0
0
1
0
1
0
0
1
0
First: D31..D24
Ù
D7..D0
D23..D16
Ù
D15..D8
Second: D7..D0
Ù
D15..D8
0
0
0
1
1
0
1
0
0
0
0
First: D23..D16
Ù
D15..D8
D31..D24
Ù
D7..D0
Second: D7..D0
Ù
D15..D8
D15..D8
Ù
D7..D0
0
0
1
0
1
D32
1
0
0
1
D15..D8
Ù
D23..D16
D23..D16
Ù
D15..D8
0
0
1
0
0
0
0
1
D15..D8
Ù
D23..D16
D23..D16
Ù
D15..D8
D31..D24
Ù
D7..D0
1
0
0
0
1
0
0
0
D7..D0
Ù
D31..D24
D15..D8
Ù
D23..D16
D23..D16
Ù
D15..D8
0
1
0
0
0
0
0
0
D7..D0
Ù
D31..D24
D15..D8
Ù
D23..D16
D23..D16
Ù
D15..D8
D31..D24
Ù
D7..D0
0
0
0
0
D64
0
0
0
0
D7..D0
Ù
D63..D56
D15..D8
Ù
D55..D48
D23..D16
Ù
D47..D40
D31..D24
Ù
D39..D32
D39..D32
Ù
D31..D24
D47..D40
Ù
D23..D16
D55..D48
Ù
D15..D8
D63..D56
Ù
D7..D0
0
0
0
0
1
PCI address bits A1 and A0 are only examined during I/O reads and writes. During memory
reads and writes (as is the case here) these are always 0.
PCI Bus
(always dword aligned
address
1
)
Byte Lane Mapping
32-bit PCI 64-bit VME
VMEbus
(always word aligned
address)
Byte Enables
3
2
1
0
DS1 DS0
A1
LW