MPC8280 Motorola, MPC8280 Datasheet - Page 31

• Manufacturer Part Number: MPC8280
• Description: PowerQUICC II Family Hardware Specifications
• Manufacturer: Motorola

MODCK[1-3]
MODCK_H-
MOTOROLA
0000_101
0000_110
0000_111
0001_000
0001_001
0001_010
0001_011
0010_000
0010_001
0010_010
0010_011
0010_100
0010_101
0010_110
0011_000
0011_001
0011_010
0011_011
0100_000
0100_001
0100_010
0100_011
0101_000
0101_001
0101_010
0101_011
0101_100
Mode
3
Table 17. Clock Configurations for PCI Host Mode (PCI_MODCK=1)
Bus Clock
55.5
71.4
62.5
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
45.5
41.7
50.0
41.7
35.7
31.3
41.7
35.7
31.3
66.7
66.7
71.4
66.7
66.7
low
(MHz)
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
high
75.0
75.0
75.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
MPC8280 PowerQUICC II™ Family Hardware Specifications
4
Multiplication
Factor
CPM
3
3
3
3
3
3
3
4
4
4
4
4
4
4
5
5
5
5
6
6
6
2
2
2
2
2
5
Full Configuration Modes
166.7 300.0
214.3 300.0
187.5 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
200.0 400.0
200.0 400.0
200.0 400.0
200.0 400.0
200.0 300.0
181.8 300.0
166.7 300.0
250.0 250.0
208.3 250.0
178.6 250.0
156.3 250.0
250.0 300.0
214.3 300.0
187.5 300.0
133.3 200.0
133.3 200.0
142.9 200.0
133.3 200.0
133.3 200.0
CPM Clock
low
(MHz)
high
Multiplication
Reserved
Factor
CPU
3.5
5.5
2.5
3.5
4.5
3
4
5
6
7
8
5
6
7
8
5
6
5
6
7
8
6
7
8
3
4
6
166.7 300.0
250.0 350.0
250.0 400.0
250.0 500.0
300.0 600.0
350.0 700.0
400.0 800.0
250.0 500.0
300.0 600.0
350.0 700.0
400.0 800.0
250.0 375.0
250.0 412.5
250.0 450.0
250.0 250.0
250.0 300.0
250.0 350.0
250.0 400.0
250.0 300.0
250.0 350.0
250.0 400.0
166.7 250.0
200.0 300.0
250.0 350.0
266.7 400.0
300.0 450.0
CPU Clock
low
(MHz)
high
Clock Configuration Modes
1,2
(Continued)
Division
Factor
PCI
6
6
6
6
6
6
6
8
8
8
8
6
6
6
5
5
5
5
6
6
6
4
4
4
4
4
27.8 50.0
35.7 50.0
31.3 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
33.3 50.0
30.3 50.0
27.8 50.0
50.0 50.0
41.7 50.0
35.7 50.0
31.3 50.0
41.7 50.0
35.7 50.0
31.3 50.0
33.3 50.0
33.3 50.0
35.7 50.0
33.3 50.0
33.3 50.0
PCI Clock
low high
(MHz)
31