Datasheet

MPC8250 Hardware Specifications, Rev. 2
28 Freescale Semiconductor
Clock Configuration Modes
0100_011 66/33 MHz 3/6 200 MHz 4 266 MHz 366 MHz
0100_100 66/33 MHz 3/6 200 MHz 4.5 300 MHz 366 MHz
0101_000
5
33 MHz 5 166 MHz 2.5 166 MHz 2.5 66 MHz
0101_001
5
33 MHz 5 166 MHz 3 200 MHz 2.5 66 MHz
0101_010
5
33 MHz 5 166 MHz 3.5 233 MHz 2.5 66 MHz
0101_011
5
33 MHz 5 166 MHz 4 266 MHz 2.5 66 MHz
0101_100
5
33 MHz 5 166 MHz 4.5 300 MHz 2.5 66 MHz
0110_000 50/25 MHz 4/8 200 MHz 2.5 166 MHz 3 66 MHz
0110_001 50/25 MHz 4/8 200 MHz 3 200 MHz 3 66 MHz
0110_010 50/25 MHz 4/8 200 MHz 3.5 233 MHz 3 66 MHz
0110_011 50/25 MHz 4/8 200 MHz 4 266 MHz 3 66 MHz
0110_100 50/25 MHz 4/8 200 MHz 4.5 300 MHz 3 66 MHz
0111_000 66/33 MHz 3/6 200 MHz 2 200 MHz 2 100 MHz
0111_001 66/33 MHz 3/6 200 MHz 2.5 250 MHz 2 100 MHz
0111_010 66/33 MHz 3/6 200 MHz 3 300 MHz 2 100 MHz
0111_011 66/33 MHz 3/6 200 MHz 3.5 350 MHz 2 100 MHz
1000_000 66/33 MHz 3/6 200 MHz 2 160 MHz 2.5 80 MHz
1000_001 66/33 MHz 3/6 200 MHz 2.5 200 MHz 2.5 80 MHz
1000_010 66/33 MHz 3/6 200 MHz 3 240 MHz 2.5 80 MHz
1000_011 66/33 MHz 3/6 200 MHz 3.5 280 MHz 2.5 80 MHz
1000_100 66/33 MHz 3/6 200 MHz 4 320 MHz 2.5 80 MHz
1000_101 66/33 MHz 3/6 200 MHz 4.5 360 MHz 2.5 80 MHz
1001_000 66/33 MHz 4/8 266 MHz 2.5 166 MHz 4 66 MHz
1001_001 66/33 MHz 4/8 266 MHz 3 200 MHz 4 66 MHz
1001_010 66/33 MHz 4/8 266 MHz 3.5 233 MHz 4 66 MHz
1001_011 66/33 MHz 4/8 266 MHz 4 266 MHz 4 66 MHz
1001_100 66/33 MHz 4/8 266 MHz 4.5 300 MHz 4 66 MHz
Table 18. Clock Configuration Modes in PCI Agent Mode (continued)
MODCK_H
–
MODCK[1–
3]
Input Clock
Frequency
(PCI)
1, 2
CPM
Multiplication
Factor
1
CPM
Frequency
Core
Multiplication
Factor
Core
Frequency
3
Bus Division
Factor
60x Bus
Frequency
4