MPC8270 MOTOROLA [Motorola, Inc], MPC8270 Datasheet - Page 29

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

MOTOROLA
MODCK[1-3]
MODCK_H-
1000_100
1000_101
1000_110
1001_000
1001_001
1001_010
1001_011
1001_100
1001_101
1001_110
1001_111
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
Mode
3
Table 16. Clock Configurations for PCI Host Mode (PCI_MODCK=0)
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
Bus Clock
66.7
66.7
66.7
66.7
57.1
71.4
62.5
57.1
85.7 114.3
85.7 114.3
85.7 114.3
83.4 100.0
75.0 100.0
75.0 100.0
75.0 100.0
75.0 100.0
80.0 106.7
80.0 106.7
80.0 106.7
80.0 106.7
80.0 106.7
low
(MHz)
MPC8280 PowerQUICC II™ Family Hardware Specifications
high
88.9
88.9
88.9
76.2
76.2
76.2
76.2
76.2
4
Multiplication
Factor
CPM
3.5
3.5
3.5
3.5
3.5
3.5
3.5
3.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
2
2
2
2
2
5
200.0 266.6
200.0 266.6
200.0 266.6
233.3 266.6
200.0 266.6
250.0 266.6
218.8 266.6
200.0 266.6
300.0 400.0
300.0 400.0
300.0 400.0
166.7 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
250.0 333.3
250.0 333.3
250.0 333.3
250.0 333.3
250.0 333.3
CPM Clock
low
(MHz)
high
Multiplication
Reserved
Factor
CPU
4.5
6.5
2.5
3.5
4.5
5.5
2.5
3.5
2.5
3.5
4.5
3.5
4.5
6
3
4
5
6
2
3
4
3
4
3
4
5
6
300.0 400.0
400.0 533.3
433.3 577.7
166.7 190.5
171.4 228.5
250.0 266.6
250.0 304.7
257.1 342.8
428.6 571.4
471.4 628.5
514.3 685.6
166.7 200.0
187.5 250.0
225.0 300.0
262.5 350.0
300.0 400.0
200.0 266.6
240.0 320.0
280.0 373.3
320.0 426.6
360.0 480.0
300.0 400.0
350.0 466.6
400.0 533.3
450.0 599.9
500.0 666.6
CPU Clock
low
(MHz)
high
Clock Configuration Modes
1,2
(Continued)
Division
Factor
PCI
4
4
4
4
4
4
4
4
6
6
6
3
3
3
3
3
4
4
4
4
4
5
5
5
5
5
PCI Clock
50.0 66.7
50.0 66.7
50.0 66.7
58.3 66.7
50.0 66.7
62.5 66.7
54.7 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
55.5 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
50.0 66.7
low high
(MHz)
29