MPC8270 MOTOROLA [Motorola, Inc], MPC8270 Datasheet - Page 33

• Manufacturer Part Number: MPC8270
• Description: PowerQUICC II Family Hardware Specifications
• Manufacturer: MOTOROLA [Motorola, Inc]

MODCK[1-3]
MODCK_H-
MOTOROLA
1010_000
1010_001
1010_010
1010_011
1010_100
1011_000
1011_001
1011_010
1011_011
1011_100
1011_101
1101_000
1101_001
1101_010
1101_011
1101_100
1101_101
1101_110
1110_000
1110_001
1110_010
1110_011
1110_100
1100_000
1100_001
1100_010
Mode
3
Table 17. Clock Configurations for PCI Host Mode (PCI_MODCK=1)
Bus Clock
75.0
75.0
75.0
75.0
75.0
80.0
80.0
80.0
80.0
80.0
55.5
71.4
62.5
55.6
50.0
66.7
66.7
71.4
62.5
55.6
50.0
50.0
low
(MHz)
150.0
150.0
150.0
150.0
150.0
160.0
160.0
160.0
160.0
160.0
100.0
100.0
100.0
100.0
100.0
125.0
125.0
100.0
100.0
100.0
100.0
100.0
high
MPC8280 PowerQUICC II™ Family Hardware Specifications
4
Multiplication
Factor
CPM
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2
2
2
2
2
2
2
3
3
3
3
3
5
150.0 300.0
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
200.0 400.0
138.5 250.0
178.6 250.0
156.3 250.0
138.9 250.0
125.0 250.0
133.3 250.0
133.3 250.0
214.3 300.0
187.5 300.0
166.7 300.0
150.0 300.0
150.0 300.0
CPM Clock
low
(MHz)
high
Multiplication
Reserved
Reserved
Reserved
Reserved
Factor
CPU
2.5
3.5
2.5
3.5
4.5
3.5
4.5
3.5
4.5
5.5
2
3
4
3
4
3
4
5
3
4
4
5
6
150.0 300.0
187.5 375.0
225.0 450.0
262.5 525.0
300.0 600.0
200.0 400.0
240.0 480.0
280.0 560.0
320.0 640.0
360.0 720.0
166.7 300.0
250.0 350.0
250.0 400.0
250.0 450.0
250.0 500.0
200.0 375.0
266.7 500.0
250.0 350.0
250.0 400.0
250.0 450.0
250.0 500.0
275.0 550.0
CPU Clock
low
(MHz)
high
Clock Configuration Modes
1,2
(Continued)
Division
Factor
PCI
6
6
6
6
6
8
8
8
8
8
5
5
5
5
5
5
5
6
6
6
6
6
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
25.0 50.0
25.0 50.0
27.8 50.0
35.7 50.0
31.3 50.0
27.8 50.0
25.0 50.0
26.6 50.0
26.6 50.0
35.7 50.0
31.3 50.0
27.8 50.0
25.0 50.0
25.0 50.0
PCI Clock
low high
(MHz)
33