Motorola MPC8260 User Manual

Page 270

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9-4

MPC8260 PowerQUICC II UserÕs Manual

MOTOROLA

Part III. The Hardware Interface

Because of speed dependencies, not all conÞgurations in Table 9-2 may be applicable.

The 66 MHz conÞgurations are required for input clock frequencies higher than 50 MHz;
33 MHz conÞgurations are required for input clock frequencies below 50 MHz.

0101_110

66 MHz

2

133 MHz

2.5

166 MHz

0101_111

66 MHz

2

133 MHz

3

200 MHz

0110_000

66 MHz

2

133 MHz

3.5

233 MHz

0110_001

66 MHz

2

133 MHz

4

266 MHz

0110_010

66 MHz

2

133 MHz

4.5

300 MHz

0110_011

66 MHz

2.5

166 MHz

2

133 MHz

0110_100

66 MHz

2.5

166 MHz

2.5

166 MHz

0110_101

66 MHz

2.5

166 MHz

3

200 MHz

0110_110

66 MHz

2.5

166 MHz

3.5

233 MHz

0110_111

66 MHz

2.5

166 MHz

4

266 MHz

0111_000

66 MHz

2.5

166 MHz

4.5

300 MHz

0111_001

66 MHz

3

200 MHz

2

133 MHz

0111_010

66 MHz

3

200 MHz

2.5

166 MHz

0111_011

66 MHz

3

200 MHz

3

200 MHz

0111_100

66 MHz

3

200 MHz

3.5

233 MHz

0111_101

66 MHz

3

200 MHz

4

266 MHz

0111_110

66 MHz

3

200 MHz

4.5

300 MHz

0111_111

66 MHz

3.5

233 MHz

2

133 MHz

1000_000

66 MHz

3.5

233 MHz

2.5

166 MHz

1000_001

66 MHz

3.5

233 MHz

3

200 MHz

1000_010

66 MHz

3.5

233 MHz

3.5

233 MHz

1000_011

66 MHz

3.5

233 MHz

4

266 MHz

1000_100

66 MHz

3.5

233 MHz

4.5

300 MHz

Table 9-2. Clock Configuration Modes (Continued)

MODCK_HÐMODCK[1Ð3]

Input Clock

Frequency

CPM Multiplication

Factor

CPM

Frequency

Core Multiplication

Factor

Core

Frequency

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