mpc8270vr Freescale Semiconductor, Inc, mpc8270vr Datasheet - Page 39

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mpc8270vr

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

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Freescale Semiconductor
MODCK[1-3]
MODCK_H-
0010_001
0010_010
0010_100
0100_000
0100_001
0100_010
0100_100
0101_000
0101_001
0101_010
0101_100
0101_101
0010_011
0011_000
0011_001
0011_010
0011_100
0100_011
0101_011
0101_110
0110_000
0110_001
0110_010
0110_100
0011_011
0110_011
Mode
3
Table 20. Clock Configurations for PCI Agent Mode (PCI_MODCK=1)
Low High
25.0
25.0
25.0
25.0
37.5
32.1
28.1
25.0
25.0
25.0
25.0
25.0
30.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
25.0
PCI Clock
(MHz)
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
50.0
50.0
50.0
50.0
MPC8280 PowerQUICC™ II Family Hardware Specifications, Rev. 1.8
Multiplication
Factor
CPM
6
6
6
6
4
4
4
4
6
6
6
6
5
5
5
5
5
5
5
8
8
8
8
4
150.0 300.0
150.0 300.0
150.0 300.0
150.0 300.0
150.0 200.0
128.6 200.0
100.0 200.0
150.0 300.0
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
125.0 250.0
125.0 250.0
125.0 250.0
200.0 400.0
200.0 400.0
200.0 400.0
200.0 400.0
112.5 200.0
CPM Clock
Low
(MHz)
High
Multiplication
Reserved
Reserved
Reserved
Factor
CPU
3.5
4.5
3.5
4.5
3.5
4.5
2.5
3.5
4.5
5.5
3.5
4.5
3
4
3
4
3
4
3
4
5
3
4
5
180.0 360.0
210.0 420.0
240.0 480.0
270.0 540.0
150.0 200.0
150.0 233.3
150.0 266.7
150.0 300.0
150.0 300.0
175.0 350.0
200.0 400.0
225.0 450.0
150.0 250.0
150.0 300.0
175.0 350.0
200.0 400.0
225.0 450.0
250.0 500.0
275.0 550.0
200.0 400.0
233.3 466.7
266.7 533.3
300.0 600.0
CPU Clock
Low
(MHz)
High
1, 2
Clock Configuration Modes
Division
(continued)
Factor
Bus
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
2.5
3
3
3
3
3
3
3
3
3
3
3
3
Low
60.0
60.0
60.0
60.0
50.0
42.9
37.5
33.3
50.0
50.0
50.0
50.0
60.0
50.0
50.0
50.0
50.0
50.0
50.0
66.7
66.7
66.7
66.7
Bus Clock
(MHz)
120.0
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
133.3
133.3
133.3
133.3
High
66.7
66.7
66.7
66.7
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