MPC8280 Motorola, MPC8280 Datasheet - Page 40
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MPC8280
Manufacturer Part Number
MPC8280
Description
PowerQUICC II Family Hardware Specifications
Manufacturer
Motorola
Datasheet
1.MPC8280.pdf
(76 pages)
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MODCK[1-3]
40
MODCK_H-
1010_010
1010_011
1010_100
1011_000
1011_001
1011_010
1011_011
1011_100
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
1100_000
1100_001
1100_010
Mode
Table 19. Clock Configurations for PCI Agent Mode (PCI_MODCK=1)
3
26.8 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
31.3 50.0
27.8 50.0
25.0 50.0
25.0 50.0
29.8 50.0
26.0 50.0
25.0 50.0
25.0 50.0
33.3 50.0
25.0 50.0
28.6 50.0
25.0 50.0
37.5 50.0
33.3 50.0
30.0 50.0
27.3 50.0
PCI Clock
low
(MHz)
high
MPC8280 PowerQUICC II™ Family Hardware Specifications
Multiplication
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
214.3 400.0
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
133.3 250.0
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
Multiplication
Reserved
Reserved
Reserved
Reserved
Factor
CPU
3.5
4.5
2.5
3.5
4.5
5.5
3.5
4.5
2.5
3.5
4.5
5.5
4
3
4
4
5
4
5
3
4
4
5
5
250.0 466.7
266.7 533.3
300.0 600.0
200.0 400.0
240.0 480.0
280.0 560.0
320.0 640.0
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
166.7 312.5
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
CPU Clock
low
(MHz)
high
1,2
Division
Factor
(Continued)
Bus
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
3
3
2
2
2
2
3
3
3
3
MOTOROLA
71.4 133.3
66.7 133.3
66.7 133.3
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
66.7 125.0
62.5 125.0
71.4 125.0
62.5 125.0
62.5
55.6
50.0
45.5
Bus Clock
low
(MHz)
high
83.3
83.3
83.3
83.3