mpc8250 Freescale Semiconductor, Inc, mpc8250 Datasheet - Page 21

• Manufacturer Part Number: mpc8250
• Description: Mpc8250 Powerquicc Ii Integrated Communications Processor
• Manufacturer: Freescale Semiconductor, Inc

Table 14
Note also that basic modes are shown in boldface type. The frequencies listed are for the purpose of
illustration only. Users must select a mode and input bus frequency so that the resulting configuration does
not exceed the frequency rating of the user’s device.
Freescale Semiconductor
MODCK_H–MODCK[1–3]
MODCK[1–3]
describes all possible clock configurations when using the hard reset configuration sequence.
0001_000
0001_001
0001_010
0001_100
0001_101
0010_000
0010_001
0010_010
0010_100
0010_101
0001_011
0001_110
0001_111
0010_011
0010_110
0010_111
0011_000
0011_001
0011_010
0011_011
100
101
110
111
Input Clock
Frequency
66 MHz
66 MHz
66 MHz
66 MHz
Frequency
Input Clock
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
33 MHz
Table 13. Clock Default Configurations
Table 14. Clock Configuration Modes
MPC8250 Hardware Specifications, Rev. 1
CPM Multiplication
2, 3
Factor
2.5
2.5
CPM Multiplication
2
2
Factor
2
2
2
2
2
3
3
3
3
3
4
4
4
4
4
5
5
5
5
5
2
Frequency
133 MHz
133 MHz
166 MHz
166 MHz
CPM
Frequency
100 MHz
100 MHz
100 MHz
100 MHz
100 MHz
133 MHz
133 MHz
133 MHz
133 MHz
133 MHz
166 MHz
166 MHz
166 MHz
166 MHz
166 MHz
66 MHz
66 MHz
66 MHz
66 MHz
66 MHz
CPM
Core Multiplication
2
1
Factor
Core Multiplication
2.5
2.5
3
3
Factor
4
5
6
7
8
4
5
6
7
8
4
5
6
7
8
4
5
6
7
8
2
Clock Configuration Modes
Frequency
166 MHz
200 MHz
166 MHz
200 MHz
Core
Frequency
133 MHz
166 MHz
200 MHz
233 MHz
266 MHz
133 MHz
166 MHz
200 MHz
233 MHz
266 MHz
133 MHz
166 MHz
200 MHz
233 MHz
266 MHz
133 MHz
166 MHz
200 MHz
233 MHz
266 MHz
Core
2
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