mpc8272ec Freescale Semiconductor, Inc, mpc8272ec Datasheet - Page 25

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

Clock Configuration Modes
Clock Configuration Modes
25
MODCK[1-3]
MODCK_H-
1000_100
1000_101
1000_110
1001_000
1001_001
1001_010
1001_011
1001_100
1001_101
1001_110
1001_111
1010_000
1010_001
1010_010
1010_011
1010_100
1010_101
1010_110
1010_111
1011_000
1011_001
1011_010
1011_011
1011_100
1011_101
Mode
Table 15. Clock Configurations for PCI Host Mode (PCI_MODCK=0)
3
100.0 133.3
100.0 133.3
100.0 133.3
Low
66.7
66.7
66.7
57.1
57.1
71.4
62.5
57.1
85.7 114.3
85.7 114.3
85.7 114.3
75.0 100.0
75.0 100.0
75.0 100.0
75.0 100.0
75.0 100.0
80.0 106.7
80.0 106.7
80.0 106.7
80.0 106.7
80.0 106.7
Bus Clock
(MHz)
MPC8272 PowerQUICC II™ Family Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
High
88.9
88.9
88.9
76.2
76.2
76.2
76.2
76.2
Freescale Semiconductor, Inc.
Multiplication
For More Information On This Product,
Factor
CPM
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
2.5
2.5
2.5
2.5
2.5
3
3
3
2
2
2
2
2
2
2
2
4
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200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
250.0 266.6
218.8 266.6
200.0 266.6
300.0 400.0
300.0 400.0
300.0 400.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
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
CPM Clock
Low
(MHz)
High
Reserved
Multiplication
Factor
CPU
4.5
6.5
2.5
3.5
4.5
5.5
2.5
3.5
2.5
3.5
2.5
3.5
4.5
6
3
4
5
6
2
3
4
3
3
4
5
300.0 400.0
400.0 533.3
433.3 577.7
142.9 190.5
171.4 228.5
250.0 266.6
250.0 304.7
257.1 342.8
428.6 571.4
471.4 628.5
514.3 685.6
150.0 200.0
187.5 250.0
225.0 300.0
262.5 350.0
300.0 400.0
250.0 333.3
300.0 400.0
350.0 466.6
200.0 266.6
240.0 320.0
280.0 373.3
320.0 426.6
360.0 480.0
Low
CPU Clock
(MHz)
High
1, 2
Division
(continued)
Factor
PCI
4
4
4
4
4
4
4
4
6
6
6
3
3
3
3
3
4
4
4
4
4
4
4
4
MOTOROLA
Low
50.0
50.0
50.0
50.0
50.0
62.5
54.7
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)
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
66.7