MPC8248 Freescale Semiconductor, Inc, MPC8248 Datasheet - Page 35

• Manufacturer Part Number: MPC8248
• Description: Mpc8248 Powerquicc Ii Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
MODCK[1-3]
MODCK_H-
0101_110
0110_000
0110_001
0110_010
0110_011
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
Mode
Table 18. Clock Configurations for PCI Agent Mode (PCI_MODCK=0)
3
Low
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)
MPC8272 PowerQUICC II™ Family Hardware Specifications, Rev. 1.5
High
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
Multiplication
Factor
CPM
5
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
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
200.0 266.6
200.0 266.6
200.0 266.6
CPM Clock
Low
(MHz)
High
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Multiplication
Factor
CPU
5.5
3.5
4.5
2.5
3.5
2.5
3.5
4.5
4.5
3.5
3
4
2
3
3
4
4
3
4
5
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
200.0 266.6
233.3 311.1
266.7 355.5
CPU Clock
Low
(MHz)
High
1, 2
Division
Factor
(continued)
Bus
Clock Configuration Modes
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
2
2
2
2
4
4
3
3
3
100.0 133.3
Low
66.7
66.7
66.7
66.7
75.0 100.0
75.0 100.0
75.0 100.0
75.0 100.0
60.0
60.0
60.0
60.0
60.0
50.0
50.0
66.7
66.7
66.7
Bus Clock
(MHz)
High
88.9
88.9
88.9
88.9
80.0
80.0
80.0
80.0
80.0
66.7
66.7
88.9
88.9
88.9
35