mpc8270vr Freescale Semiconductor, Inc, mpc8270vr Datasheet - Page 31

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

Freescale Semiconductor
MODCK[1-3]
MODCK_H-
0000_000
0000_001
0000_010
0000_011
0000_100
0000_101
0000_110
0001_000
0001_001
0001_010
0001_011
0010_000
0010_001
0010_010
0010_011
0010_100
0010_101
0010_110
0011_000
0011_001
0011_010
0100_000
0100_001
0100_010
0000_111
0011_011
Mode
3
Bus Clock
Low
60.0
50.0
60.0
60.0
60.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
50.0
37.5
37.5
37.5
30.0
25.0
25.0
25.0
25.0
25.0
Table 18. Clock Configurations for PCI Host Mode (PCI_MODCK=1)
(MHz)
100.0
100.0
120.0
120.0
120.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
100.0
High
75.0
75.0
75.0
50.0
50.0
50.0
50.0
50.0
50.0
MPC8280 PowerQUICC™ II Family Hardware Specifications, Rev. 1.8
4
Multiplication
Factor
CPM
2.5
2.5
2.5
2
2
3
3
3
3
3
3
3
4
4
4
4
4
4
4
5
5
5
5
6
6
5
Default Modes (MODCK_H=0000)
Full Configuration Modes
120.0 200.0
100.0 200.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
200.0 400.0
200.0 400.0
200.0 400.0
200.0 400.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 250.0
125.0 250.0
125.0 250.0
125.0 250.0
150.0 300.0
150.0 300.0
CPM Clock
Low
(MHz)
High
Multiplication
Reserved
Factor
CPU
2.5
3.5
3.5
5.5
3
3
4
3
4
5
6
7
8
5
6
7
8
5
6
5
6
7
8
6
7
6
150.0 250.0
150.0 300.0
180.0 360.0
210.0 420.0
240.0 480.0
150.0 300.0
175.0 350.0
200.0 400.0
250.0 500.0
300.0 600.0
350.0 700.0
400.0 800.0
250.0 500.0
300.0 600.0
350.0 700.0
400.0 800.0
187.5 375.0
206.3 412.5
225.0 450.0
150.0 250.0
150.0 300.0
175.0 350.0
200.0 400.0
150.0 300.0
175.0 350.0
CPU Clock
Low
(MHz)
High
Clock Configuration Modes
Division
Factor
1, 2
PCI
4
4
6
6
6
6
6
6
6
6
6
6
8
8
8
8
6
6
6
5
5
5
5
6
6
Low High
30.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
30.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
25.0 50.0
PCI Clock
(MHz)
31