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PC8260 Datasheet(PDF) 46 Page - ATMEL Corporation

Part # PC8260
Description  PowerPC-based Communications Processors
PDF  53 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

PC8260 Datasheet(HTML) 46 Page - ATMEL Corporation

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46
PC8260 PowerQUICC II
2131B–HIREL–02/03
Clock Configuration Modes
To configure the main PLL multiplication factor and the core, CPM, and 60x bus frequencies, the MODCK[1:3] pins are
sampled while HRESET is asserted. Table 15 shows the eight basic configuration modes. Another 49 modes are available
by using the configuration pin (RSTCONF) and driving four pins on the data bus.
Table 15. Clock Default Modes
MODCK[1–3]
Input Clock
Frequency
(MH)z
CPM Multiplication
Factor
CPM
Frequency
(MHz)
Core Multiplication
Factor
Core
Frequency
(MHz)
000
33
3
100
4
133
001
33
3
100
5
166
010
33
4
133
4
133
011
33
4
133
5
166
100
66
2
133
2.5
166
101
66
2
133
3
200
110
66
2.5
166
2.5
166
111
66
2.5
166
3
200
Table 16. Clock Configuration Modes
MODCK_H–
MODCK[1–3]
Input Clock
Frequency
(MHz)
CPM Multiplication
Factor
CPM
Frequency
(MHz)
Core Multiplication Factor
Core
Frequency
(MHz)
0001_000
33
2
66
4
133
0001_001
33
2
66
5
166
0001_010
33
2
66
6
200
0001_011
33
2
66
7
233
0001_100
33
2
66
8
266
0001_101
33
3
100
4
133
0001_110
33
3
100
5
166
0001_111
33
3
100
6
200
0010_000
33
3
100
7
233
0010_001
33
3
100
8
266
0010_010
33
4
133
4
133
0010_011
33
4
133
5
166
0010_100
33
4
133
6
200
0010_101
33
4
133
7
233
0010_110
33
4
133
8
266



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