MPC8270CVVE Просмотр технического описания (PDF) - Freescale Semiconductor
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MPC8270CVVE Datasheet PDF : 83 Pages
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Clock Configuration Modes
Table 18. Clock Configurations for Local Bus Mode1 (continued)
Mode2
Bus Clock3
(MHz)
MODCK_H-MODCK[1:3] Low High
CPM
Multiplication
Factor4
CPM Clock
(MHz)
Low
High
CPU
Multiplication
Factor5
0001_001
50.0 167.0
2
100.0 334.0
5
0001_010
50.0 145.8
2
100.0 291.7
6
0001_011
Reserved
0001_100
Reserved
CPU Clock
(MHz)
Low
250.0
300.0
High
835.0
875.0
0001_101
37.5 133.3
3
112.5 400.0
4
150.0 533.3
0001_110
33.3 133.3
3
100.0 400.0
5
166.7 666.7
1000_111
33.3 133.3
3
100.0 400.0
5.5
183.3 733.3
0001_111
33.3 133.3
3
100.0 400.0
6
200.0 800.0
0010_000
Reserved
0010_001
Reserved
0010_010
37.5 100.0
4
150.0 400.0
4
150.0 400.0
0010_011
30.0 100.0
4
120.0 400.0
5
150.0 500.0
0010_100
25.0 100.0
4
100.0 400.0
6
150.0 600.0
0010_101
25.0 100.0
4
100.0 400.0
7
175.0 700.0
0010_110
25.0 100.0
4
100.0 400.0
8
200.0 800.0
0010_111
Reserved
0011_000
30.0 80.0
5
150.0 400.0
5
150.0 400.0
0011_001
25.0 80.0
5
125.0 400.0
6
150.0 480.0
0011_010
25.0 80.0
5
125.0 400.0
7
175.0 560.0
0011_011
25.0 80.0
5
125.0 400.0
8
200.0 640.0
0011_100
Reserved
0011_101
Reserved
0011_110
25.0 66.7
6
150.0 400.0
6
150.0 400.0
0011_111
25.0 66.7
6
150.0 400.0
7
175.0 466.7
0100_000
25.0 66.7
6
150.0 400.0
8
200.0 533.3
0101_101
75.0 167.0
2
150.0 334.0
2
166.7 334.0
0101_110
60.0 167.0
2
120.0 334.0
2.5
166.7 417.5
0101_111
50.0 167.0
2
100.0 334.0
3
200.0 501.0
MPC8280 PowerQUICC II Family Hardware Specifications, Rev. 2
28
Freescale Semiconductor
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