Datasheet
MPC8250 Hardware Specifications, Rev. 2
Freescale Semiconductor 25
Clock Configuration Modes
0011_010
3
33 MHz 5 166 MHz 7 233 MHz 5 33 MHz
0011_011
3
33 MHz 5 166 MHz 8 266 MHz 5 33 MHz
0100_000
3
33 MHz 6 200 MHz 5 166 MHz 6 33 MHz
0100_001
3
33 MHz 6 200 MHz 6 200 MHz 6 33 MHz
0100_010
3
33 MHz 6 200 MHz 7 233 MHz 6 33 MHz
0100_011
3
33 MHz 6 200 MHz 8 266 MHz 6 33 MHz
0101_000 66 MHz 2 133 MHz 2.5 166 MHz 2/4 66/33 MHz
0101_001 66 MHz 2 133 MHz 3 200 MHz 2/4 66/33 MHz
0101_010 66 MHz 2 133 MHz 3.5 233 MHz 2/4 66/33 MHz
0101_011 66 MHz 2 133 MHz 4 266 MHz 2/4 66/33 MHz
0101_100 66 MHz 2 133 MHz 4.5 300 MHz 2/4 66/33 MHz
0110_000 66 MHz 2.5 166 MHz 2.5 166 MHz 3/6 55/28 MHz
0110_001 66 MHz 2.5 166 MHz 3 200 MHz 3/6 55/28 MHz
0110_010 66 MHz 2.5 166 MHz 3.5 233 MHz 3/6 55/28 MHz
0110_011 66 MHz 2.5 166 MHz 4 266 MHz 3/6 55/28 MHz
0110_100 66 MHz 2.5 166 MHz 4.5 300 MHz 3/6 55/28 MHz
0111_000 66 MHz 3 200 MHz 2.5 166 MHz 3/6 66/33 MHz
0111_001 66 MHz 3 200 MHz 3 200 MHz 3/6 66/33 MHz
0111_010 66 MHz 3 200 MHz 3.5 233 MHz 3/6 66/33 MHz
0111_011 66 MHz 3 200 MHz 4 266 MHz 3/6 66/33 MHz
0111_100 66 MHz 3 200 MHz 4.5 300 MHz 3/6 66/33 MHz
1000_000 66 MHz 3 200 MHz 2.5 166 MHz 4/8 50/25 MHz
1000_001 66 MHz 3 200 MHz 3 200 MHz 4/8 50/25 MHz
1000_010 66 MHz 3 200 MHz 3.5 233 MHz 4/8 50/25 MHz
1000_011 66 MHz 3 200 MHz 4 266 MHz 4/8 50/25 MHz
1000_100 66 MHz 3 200 MHz 4.5 300 MHz 4/8 50/25 MHz
1001_000 66 MHz 3.5 233 MHz 2.5 166 MHz 4/8 58/29 MHz
Table 16. Clock Configuration Modes in PCI Host Mode (continued)
MODCK_H
–
MODCK[1–
3]
Input Clock
Frequency
1
(Bus)
CPM
Multiplication
Factor
CPM
Frequency
Core
Multiplication
Factor
Core
Frequency
PCI Division
Factor
2
PCI
Frequency
2
