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MPC8248CZQB 数据表(PDF) 31 Page - Motorola, Inc

部件名 MPC8248CZQB
功能描述  MPC8272 PowerQUICC II Family Hardware Specifications
PDF  56 Pages
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制造商  MOTOROLA [Motorola, Inc]
网页  http://www.freescale.com
标志 MOTOROLA - Motorola, Inc

MPC8248CZQB 数据表(HTML) 31 Page - Motorola, Inc

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MPC8272 PowerQUICC II™ Family Hardware Specifications
MOTOROLA
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Clock Configuration Modes
Clock Configuration Modes
Table 17. Clock Configurations for PCI Agent Mode (PCI_MODCK=0) 1, 2
Mode 3
PCI Clock
(MHz)
CPM
Multiplication
Factor 4
CPM Clock
(MHz)
CPU
Multiplication
Factor 5
CPU Clock
(MHz)
Bus
Division
Factor
Bus Clock
(MHz)
MODCK_H-
MODCK[1-3]
Low
High
Low
High
Low
High
Low
High
Default Modes (MODCK_H=0000
0000_000
50.0
66.7
2
100.0 133.3
2.5
125.0 166.7
2
50.0
66.7
0000_001
50.0
66.7
2
100.0 133.3
3
150.0 200.0
2
50.0
66.7
0000_010
50.0
66.7
3
150.0 200.0
3
150.0 200.0
3
50.0
66.7
0000_011
62.5
66.7
3
187.5 200.0
4
250.0 266.6
3
62.5
66.7
0000_100
50.0
66.7
3
150.0 200.0
3
180.0 240.0
2.5
60.0
80.0
0000_101
59.5
66.7
3
178.6 200.0
3.5
250.0 280.0
2.5
71.4
80.0
0000_110
53.6
66.7
4
214.3 266.6
3.5
250.0 311.1
3
71.4
88.9
0000_111
50.0
66.7
4
200.0 266.6
3
240.0 320.0
2.5
80.0
106.7
Full Configuration Modes
0001_001
Reserved
0001_010
Reserved
0001_011
Reserved
0001_100
62.5
66.7
2
125.0 133.3
8
250.0 266.6
4
31.3
33.3
0010_001
50.0
66.7
3
150.0 200.0
3
180.0 240.0
2.5
60.0
80.0
0010_010
59.5
66.7
3
178.6 200.0
3.5
250.0 280.0
2.5
71.4
80.0
0010_011
52.1
66.7
3
156.3 200.0
4
250.0 320.0
2.5
62.5
80.0
0010_100
50.0
66.7
3
150.0 200.0
4.5
270.0 360.0
2.5
60.0
80.0
0011_000
Reserved
0011_001
Reserved
0011_010
Reserved
0011_011
Reserved
0011_100
Reserved
0100_000
Reserved
0100_001
50.0
66.7
3
150.0 200.0
3
150.0 200.0
3
50.0
66.7
0100_010
Reserved
0100_011
62.5
66.7
3
187.5 200.0
4
250.0 266.6
3
62.5
66.7
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com



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