Registers
http://www.mcg.mot.com/literature 2-107
2
Conceptual perspective from the PCI bus:
Perspective from the PPC bus in Big Endian mode:
Perspective from the PPC bus in Little Endian mode:
Offset $CFF $CFE $CFD $CFC
Bit 3
1
3
0
2
9
2
8
2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
1
9
1
8
1
7
1
6
1
5
1
4
1
3
1
2
1
1
1
09876543210
Name CONFIG_DATA
Data ‘D’ Data ‘C’ Data ‘B’ Data ‘A’
Operation R/W R/W R/W R/W
Reset n/a n/a n/a n/a
Offset $CFC $CFD $CFE $CFF
Bit (DL)
0123456789
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
Name CONFIG_DATA
Data ‘A’ Data ‘B’ Data ‘C’ Data ‘D’
Operation R/W R/W R/W R/W
Reset n/a n/a n/a n/a
Offset $CF8 $CF9 $CFA $CFB
Bit (DH)
0123456789
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
2
3
2
4
2
5
2
6
2
7
2
8
2
9
3
0
3
1
Name CONFIG_DATA
Data ‘D’ Data ‘C’ Data ‘B’ Data ‘A’
Operation R/W R/W R/W R/W
Reset n/a n/a n/a n/a
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