MPC8247 MOTOROLA [Motorola, Inc], MPC8247 Datasheet - Page 35

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

Clock Configuration Modes
Clock Configuration Modes
35
MODCK[1-3]
MODCK_H-
0000_110
0000_111
0001_001
0001_010
0001_011
0001_100
0010_001
0010_010
0010_011
0010_100
0011_000
0011_001
0011_010
0011_011
0011_100
0100_000
0100_001
0100_010
0100_011
0100_100
0101_000
0101_001
0101_010
0101_011
0101_100
0101_101
Mode
Table 18. Clock Configurations for PCI Agent Mode (PCI_MODCK=1)
3
Low
26.8
25.0
50.0
41.7
35.7
31.3
25.0
29.8
26.0
25.0
31.3
46.9
41.7
25.0
35.7
31.3
27.8
25.0
25.0
35.7
31.3
27.8
25.0
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
4
4
4
4
6
6
6
6
4
4
4
6
6
6
6
5
5
5
5
5
5
4
Go to: www.freescale.com
Full Configuration Modes
214.3 400.0
200.0 400.0
200.0 200.0
166.7 200.0
142.9 200.0
125.0 200.0
150.0 300.0
178.6 300.0
156.3 300.0
150.0 300.0
125.0 200.0
187.5 200.0
166.7 200.0
150.0 300.0
214.3 300.0
187.5 300.0
166.7 300.0
125.0 250.0
125.0 250.0
178.6 250.0
156.3 250.0
138.9 250.0
125.0 250.0
CPM Clock
Low
(MHz)
High
Reserved
Reserved
Reserved
Multiplication
Factor
CPU
3.5
3.5
4.5
2.5
4.5
3.5
4.5
2.5
3.5
4.5
3
5
6
7
8
3
4
4
3
4
3
4
5
5
250.0 466.7
240.0 480.0
250.0 250.0
250.0 300.0
250.0 350.0
250.0 400.0
180.0 360.0
250.0 420.0
250.0 480.0
270.0 540.0
104.3 166.7
250.0 266.7
250.0 300.0
150.0 300.0
250.0 350.0
250.0 400.0
250.0 450.0
125.0 250.0
150.0 300.0
250.0 350.0
250.0 400.0
250.0 450.0
250.0 500.0
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
2.5
2.5
2.5
3
4
4
4
4
3
3
3
3
3
3
3
MOTOROLA
Low
71.4 133.3
80.0 160.0
50.0
41.7
35.7
31.3
60.0 120.0
71.4 120.0
62.5 120.0
60.0 120.0
41.7
62.5
55.6
50.0 100.0
71.4 100.0
62.5 100.0
55.6 100.0
50.0 100.0
50.0 100.0
71.4 100.0
62.5 100.0
55.6 100.0
50.0 100.0
Bus Clock
(MHz)
High
50.0
50.0
50.0
50.0
66.7
66.7
66.7