mpc8270vr Freescale Semiconductor, Inc, mpc8270vr Datasheet - Page 37

• Manufacturer Part Number: mpc8270vr
• Description: Mpc8275 Powerquicc Ii Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
MODCK[1-3]
MODCK_H-
1010_000
1010_001
1010_010
1010_100
1010_011
1011_000
1011_001
1011_010
1011_011
1011_100
1100_101
1100_110
1101_000
1101_001
1101_010
1101_011
1101_100
1110_000
1110_001
1110_010
1110_100
1110_101
1100_111
1110_011
1110_110
1110_111
Mode
3
Table 19. Clock Configurations for PCI Agent Mode (PCI_MODCK=0)
Low High
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
PCI Clock
(MHz)
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
66.7
MPC8280 PowerQUICC™ II Family Hardware Specifications, Rev. 1.8
Multiplication
Factor
CPM
4
4
4
4
4
4
4
4
6
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5
4
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
300.0 400.0
250.0 333.3
250.0 333.3
250.0 333.3
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
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
3
4
3
4
4
5
4
5
3
4
4
5
5
200.0 266.6
233.3 311.1
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
450.0 599.9
500.0 666.6
550.0 733.3
420.0 559.9
480.0 639.9
540.0 719.9
600.0 799.9
312.5 416.6
375.0 500.0
437.5 583.3
500.0 666.6
333.3 444.4
375.0 500.0
416.7 555.5
458.3 611.1
Low
CPU Clock
(MHz)
High
1, 2
Clock Configuration Modes
(continued)
Division
Factor
Bus
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
3
3
3
2
2
2
2
3
3
3
3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
120.0 160.0
120.0 160.0
120.0 160.0
120.0 160.0
125.0 166.7
125.0 166.7
125.0 166.7
125.0 166.7
Low
66.7
66.7
66.7
66.7
80.0
80.0
80.0
80.0
83.3
83.3
83.3
83.3
Bus Clock
(MHz)
106.7
106.7
106.7
106.7
111.1
111.1
111.1
111.1
High
88.9
88.9
88.9
88.9
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