mpc8272ec Freescale Semiconductor, Inc, mpc8272ec Datasheet - Page 33

• Manufacturer Part Number: mpc8272ec
• Description: Powerquicc Ii
• Manufacturer: Freescale Semiconductor, Inc

Clock Configuration Modes
Clock Configuration Modes
33
MODCK[1-3]
MODCK_H-
1001_011
1001_100
1010_000
1010_001
1010_010
1010_011
1010_100
1011_000
1011_001
1011_010
1011_011
1011_100
1011_101
1011_110
1011_111
1100_101
1100_110
1100_111
1101_000
1101_001
1101_010
1101_011
1101_100
1110_000
1110_001
Mode
Table 17. Clock Configurations for PCI Agent Mode (PCI_MODCK=0)
3
Low
62.5
55.6
50.0
53.6
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
PCI Clock
(MHz)
MPC8272 PowerQUICC II™ Family Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
High
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
Freescale Semiconductor, Inc.
Multiplication
For More Information On This Product,
Factor
CPM
4
4
4
4
4
4
4
4
4
4
4
4
4
6
6
6
6
6
6
6
6
5
5
4
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250.0 266.6
222.2 266.6
200.0 266.6
214.3 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
250.0 333.3
250.0 333.3
CPM Clock
Low
(MHz)
High
Reserved
Reserved
Multiplication
Factor
CPU
4.5
3.5
4.5
2.5
3.5
2.5
3.5
4.5
5.5
3.5
4.5
2.5
4
3
4
3
4
3
4
5
4
5
3
5
250.0 266.6
250.0 300.0
200.0 266.6
250.0 311.1
266.7 355.5
300.0 400.0
200.0 266.6
240.0 320.0
280.0 373.3
320.0 426.6
250.0 333.3
300.0 400.0
350.0 466.6
400.0 533.3
450.0 599.9
500.0 666.6
550.0 733.3
420.0 559.9
480.0 639.9
540.0 719.9
600.0 799.9
312.5 416.6
375.0 500.0
Low
CPU Clock
(MHz)
High
1, 2
Division
Factor
(continued)
Bus
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
4
4
3
3
3
3
2
2
2
3
3
3
3
2
2
MOTOROLA
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
120.0 160.0
120.0 160.0
120.0 160.0
120.0 160.0
125.0 166.7
125.0 166.7
Low
62.5
55.6
66.7
71.4
66.7
66.7
80.0 106.7
80.0 106.7
80.0 106.7
80.0 106.7
Bus Clock
(MHz)
High
66.7
66.7
88.9
88.9
88.9
88.9