MPC8247 MOTOROLA [Motorola, Inc], MPC8247 Datasheet - Page 37

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

Clock Configuration Modes
Clock Configuration Modes
37
MODCK[1-3]
MODCK_H-
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
1110_010
1110_011
1110_100
1110_101
1110_110
1110_111
Mode
Table 18. Clock Configurations for PCI Agent Mode (PCI_MODCK=1)
3
Low
25.0
25.0
25.0
25.0
25.0
25.0
25.0
31.3
27.8
25.0
25.0
29.8
26.0
25.0
25.0
25.0
25.0
28.6
25.0
37.5
33.3
30.0
27.3
PCI Clock
(MHz)
MPC8272 PowerQUICC II™ Family Hardware Specifications
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
High
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
50.0
50.0
50.0
50.0
Freescale Semiconductor, Inc.
Multiplication
For More Information On This Product,
Factor
CPM
8
8
8
8
8
8
8
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
4
Go to: www.freescale.com
200.0 400.0
200.0 400.0
200.0 400.0
200.0 400.0
200.0 400.0
200.0 400.0
200.0 400.0
187.5 300.0
166.7 300.0
150.0 300.0
150.0 300.0
178.6 300.0
156.3 300.0
150.0 300.0
150.0 300.0
125.0 250.0
125.0 250.0
142.9 250.0
125.0 250.0
187.5 250.0
166.7 250.0
150.0 250.0
136.4 250.0
CPM Clock
Low
(MHz)
High
Reserved
Multiplication
Factor
CPU
2.5
3.5
2.5
3.5
4.5
5.5
3.5
4.5
2.5
3.5
4.5
5.5
3
4
3
4
5
4
5
3
4
4
5
5
200.0 400.0
240.0 480.0
280.0 560.0
320.0 640.0
250.0 500.0
300.0 600.0
350.0 700.0
250.0 400.0
250.0 450.0
250.0 500.0
275.0 550.0
250.0 420.0
250.0 480.0
270.0 540.0
300.0 600.0
156.3 312.5
187.5 375.0
250.0 437.5
250.0 500.0
250.0 333.3
250.0 375.0
250.0 416.7
250.0 458.3
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
2
2
3
3
3
3
2
2
2
2
3
3
3
3
MOTOROLA
100.0 200.0
100.0 200.0
100.0 200.0
Low
80.0 160.0
80.0 160.0
80.0 160.0
80.0 160.0
62.5 100.0
55.6 100.0
50.0 100.0
50.0 100.0
71.4 120.0
62.5 120.0
60.0 120.0
60.0 120.0
62.5 125.0
62.5 125.0
71.4 125.0
62.5 125.0
62.5
55.6
50.0
45.5
Bus Clock
(MHz)
High
83.3
83.3
83.3
83.3