mpc8270vr Freescale Semiconductor, Inc, mpc8270vr Datasheet - Page 36

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

Clock Configuration Modes
36
MODCK[1-3]
MODCK_H-
0101_000
0101_001
0101_010
0101_100
0101_101
1000_000
1000_001
1000_010
1000_100
1000_101
1001_000
1001_001
1001_010
1001_100
0101_011
0101_110
0110_000
0110_001
0110_010
0110_011
0110_100
0111_000
0111_001
0111_010
1000_011
1001_011
0111_011
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
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
MPC8280 PowerQUICC™ II Family Hardware Specifications, Rev. 1.8
Multiplication
Factor
CPM
5
5
5
5
5
5
5
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4
4
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
200.0 266.6
200.0 266.6
200.0 266.6
200.0 266.6
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
150.0 200.0
200.0 266.6
200.0 266.6
CPM Clock
Low
(MHz)
High
Multiplication
Reserved
Reserved
Reserved
Reserved
Reserved
Factor
CPU
2.5
3.5
4.5
5.5
3.5
4.5
2.5
3.5
2.5
3.5
4.5
4.5
3
4
5
3
4
2
3
3
4
4
5
250.0 333.3
300.0 400.0
350.0 466.6
400.0 533.3
450.0 599.9
500.0 666.6
550.0 733.3
200.0 266.6
233.3 311.1
266.7 355.5
300.0 400.0
150.0 200.0
187.5 250.0
225.0 300.0
262.5 350.0
150.0 166.7
180.0 240.0
210.0 280.0
240.0 320.0
270.0 360.0
200.0 266.6
225.0 300.0
Low
CPU Clock
(MHz)
High
1, 2
(continued)
Division
Factor
Freescale Semiconductor
Bus
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
2
2
2
2
4
4
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
100.0 133.3
Low
66.7
66.7
66.7
66.7
75.0
75.0
75.0
75.0
60.0
60.0
60.0
60.0
60.0
50.0
50.0
Bus Clock
(MHz)
100.0
100.0
100.0
100.0
High
88.9
88.9
88.9
88.9
80.0
80.0
80.0
80.0
80.0
66.7
66.7