MPC8280 Motorola, MPC8280 Datasheet - Page 36
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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]
36
MODCK_H-
0110_100
0111_000
0111_001
0111_010
0111_011
1000_000
1000_001
1000_010
1000_011
1000_100
1000_101
1001_000
1001_001
1001_010
1001_011
1001_100
1010_000
1010_001
1010_010
1010_011
1010_100
1011_000
1011_001
1011_010
1011_011
1011_100
1100_101
Mode
Table 18. Clock Configurations for PCI Agent Mode (PCI_MODCK=0)
3
50.0 66.7
55.5 66.7
50.0 66.7
50.0 66.7
50.0 66.7
66.7 66.7
50.0 66.7
59.5 66.7
52.1 66.7
50.0 66.7
62.5 66.7
55.6 66.7
50.0 66.7
53.6 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
PCI Clock
low high
(MHz)
MPC8280 PowerQUICC II™ Family Hardware Specifications
Multiplication
Factor
CPM
4
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
4
6
4
200.0 266.6
166.7 200.0
150.0 200.0
150.0 200.0
150.0 200.0
200.0 200.0
150.0 200.0
178.6 200.0
156.3 200.0
150.0 200.0
250.0 266.6
222.2 266.6
200.0 266.6
214.3 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
300.0 400.0
CPM Clock
low
(MHz)
high
Multiplication
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Factor
CPU
4.5
2.5
3.5
2.5
3.5
4.5
4.5
3.5
4.5
2.5
3.5
2
3
3
4
4
3
4
3
4
4
5
300.0 400.0
166.7 200.0
187.5 250.0
225.0 300.0
262.5 350.0
166.7 166.7
180.0 240.0
250.0 280.0
250.0 320.0
270.0 360.0
250.0 266.6
250.0 300.0
200.0 266.6
250.0 311.1
266.7 355.5
300.0 400.0
200.0 266.6
240.0 320.0
280.0 373.3
320.0 426.6
400.0 533.3
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
2.5
3
2
2
2
2
4
4
3
3
3
3
3
MOTOROLA
100.0 133.3
66.7
83.3 100.0
75.0 100.0
75.0 100.0
75.0 100.0
80.0
60.0
71.4
62.5
60.0
62.5
55.6
66.7
71.4
66.7
66.7
80.0 106.7
80.0 106.7
80.0 106.7
80.0 106.7
Bus Clock
low
(MHz)
high
88.9
80.0
80.0
80.0
80.0
80.0
66.7
66.7
88.9
88.9
88.9
88.9