MPC8560CPX667JC datasheet(80/108 Pages) NXP

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MPC8560 Integrated Processor Hardware Specifications, Rev. 4.2

Freescale Semiconductor

Clocking

15 Clocking

This section describes the PLL configuration of the MPC8560. Note that the platform clock is identical to

the CCB clock.

15.1 Clock Ranges

Table 55 provides the clocking specifications for the processor core and Table 56 provides the clocking

specifications for the memory bus.

Table 55. Processor Core Clocking Specifications

Characteristic

Maximum Processor Core Frequency

Unit

Notes

667 MHz

833 MHz

1 GHz

Min

Max

Min

Max

Min

Max

e500 core processor frequency

400

667

400

833

400

1000

MHz

1, 2, 3

Notes:

1.Caution: The CCB to SYSCLK ratio and e500 core to CCB ratio settings must be chosen such that the resulting SYSCLK

frequency, e500 (core) frequency, and CCB frequency do not exceed their respective maximum or minimum operating

frequencies. Refer to Section 15.2, “Platform/System PLL Ratio,” and Section 15.3, “e500 Core PLL Ratio,” for ratio

settings.

2.)The minimum e500 core frequency is based on the minimum platform frequency of 200 MHz.

3.)The 1.0 GHz core frequency is based on a 1.3 V VDD supply voltage.

Table 56. Memory Bus Clocking Specifications

Characteristic

Maximum Processor Core Frequency

Unit

Notes

667 MHz

833 MHz

1 GHz

Min

Max

Min

Max

Min

Max

Memory bus frequency

100

166

100

166

100

166

MHz

1, 2, 3

Notes:

1.Caution: The CCB to SYSCLK ratio and e500 core to CCB ratio settings must be chosen such that the resulting SYSCLK

frequency, e500 (core) frequency, and CCB frequency do not exceed their respective maximum or minimum operating

frequencies. Refer to Section 15.2, “Platform/System PLL Ratio,” and Section 15.3, “e500 Core PLL Ratio,” for ratio

settings.

2.The memory bus speed is half of the DDR data rate, hence, half of the platform clock frequency.

3.)The 1.0 GHz core frequency is based on a 1.3 V VDD supply voltage.

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