MPC8247 MOTOROLA [Motorola, Inc], MPC8247 Datasheet - Page 32

• Manufacturer Part Number: MPC8247
• Description: MPC8272 PowerQUICC II Family Hardware Specifications
• Manufacturer: MOTOROLA [Motorola, Inc]

Clock Configuration Modes
Clock Configuration Modes
32
MODCK[1-3]
MODCK_H-
0100_100
0101_000
0101_001
0101_010
0101_011
0101_100
0101_101
0101_110
0110_000
0110_001
0110_010
0110_011
0110_100
0111_000
0111_001
0111_010
0111_011
1000_000
1000_001
1000_010
1000_011
1000_100
1000_101
1001_000
1001_001
1001_010
Mode
Table 17. Clock Configurations for PCI Agent Mode (PCI_MODCK=0)
3
Low
55.6
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
53.6
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
59.5
52.1
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
Freescale Semiconductor, Inc.
Multiplication
For More Information On This Product,
Factor
CPM
3
5
5
5
5
5
5
5
4
4
4
4
3
3
3
3
3
3
3
3
3
4
Go to: www.freescale.com
166.7 200.0
250.0 333.3
250.0 333.3
250.0 333.3
250.0 333.3
250.0 333.3
250.0 333.3
250.0 333.3
200.0 266.6
214.3 266.6
200.0 266.6
200.0 266.6
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
178.6 200.0
156.3 200.0
150.0 200.0
CPM Clock
Low
(MHz)
High
Reserved
Reserved
Reserved
Reserved
Reserved
Multiplication
Factor
CPU
4.5
2.5
3.5
4.5
5.5
3.5
4.5
2.5
3.5
2.5
3.5
4.5
3
4
5
3
4
2
3
3
4
5
250.0 300.0
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
200.0 266.6
250.0 311.1
266.7 355.5
300.0 400.0
150.0 200.0
187.5 250.0
225.0 300.0
262.5 350.0
150.0 200.0
180.0 240.0
250.0 280.0
250.0 320.0
270.0 360.0
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
2.5
2.5
2.5
2.5
3
3
3
3
3
2
2
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
Low
55.6
66.7
71.4
66.7
66.7
75.0 100.0
75.0 100.0
75.0 100.0
75.0 100.0
60.0
60.0
71.4
62.5
60.0
Bus Clock
(MHz)
High
66.7
88.9
88.9
88.9
88.9
80.0
80.0
80.0
80.0
80.0