
MPC8272 PowerQUICC II Family Hardware Specifications, Rev. 1.5
36
Freescale Semiconductor
Clock Configuration Modes
1010_100
50.0
66.7
4
200.0 266.6
4.5
300.0 400.0
3
66.7
88.9
1011_000
Reserved
1011_001
50.0
66.7
4
200.0 266.6
2.5
200.0 266.6
2.5
80.0
106.7
1011_010
50.0
66.7
4
200.0 266.6
3
240.0 320.0
2.5
80.0
106.7
1011_011
50.0
66.7
4
200.0 266.6
3.5
280.0 373.3
2.5
80.0
106.7
1011_100
50.0
66.7
4
200.0 266.6
4
320.0 426.6
2.5
80.0
106.7
1011_101
50.0
66.7
4
200.0 266.6
2.5
250.0 333.3
2
100.0 133.3
1011_110
50.0
66.7
4
200.0 266.6
3
300.0 400.0
2
100.0 133.3
1011_111
50.0
66.7
4
200.0 266.6
3.5
350.0 466.6
2
100.0 133.3
1100_101
50.0
66.7
6
300.0 400.0
4
400.0 533.3
3
100.0 133.3
1100_110
50.0
66.7
6
300.0 400.0
4.5
450.0 599.9
3
100.0 133.3
1100_111
50.0
66.7
6
300.0 400.0
5
500.0 666.6
3
100.0 133.3
1101_000
50.0
66.7
6
300.0 400.0
5.5
550.0 733.3
3
100.0 133.3
1101_001
50.0
66.7
6
300.0 400.0
3.5
420.0 559.9
2.5
120.0 160.0
1101_010
50.0
66.7
6
300.0 400.0
4
480.0 639.9
2.5
120.0 160.0
1101_011
50.0
66.7
6
300.0 400.0
4.5
540.0 719.9
2.5
120.0 160.0
1101_100
50.0
66.7
6
300.0 400.0
5
600.0 799.9
2.5
120.0 160.0
1110_000
50.0
66.7
5
250.0 333.3
2.5
312.5 416.6
2
125.0 166.7
1110_001
50.0
66.7
5
250.0 333.3
3
375.0 500.0
2
125.0 166.7
1110_010
50.0
66.7
5
250.0 333.3
3.5
437.5 583.3
2
125.0 166.7
1110_011
50.0
66.7
5
250.0 333.3
4
500.0 666.6
2
125.0 166.7
1110_100
50.0
66.7
5
250.0 333.3
4
333.3 444.4
3
83.3
111.1
1110_101
50.0
66.7
5
250.0 333.3
4.5
375.0 500.0
3
83.3
111.1
1110_110
50.0
66.7
5
250.0 333.3
5
416.7 555.5
3
83.3
111.1
Table 18. Clock Configurations for PCI Agent Mode (PCI_MODCK=0) 1, 2 (continued)
Mode 3
PCI Clock
(MHz)
CPM
Multiplication
Factor 4
CPM Clock
(MHz)
CPU
Multiplication
Factor 5
CPU Clock
(MHz)
Bus
Division
Factor
Bus Clock
(MHz)
MODCK_H-
MODCK[1-3]
Low
High
Low
High
Low
High
Low
High