Clock control method and information processing device...

Details Clock control method and information processing device... Clock control method and information processing device...

2006-02-14

2006-02-14

Browne, Lynne H. (Department: 2116)

Electrical computers and digital processing systems: support

Synchronization of clock or timing signals, data, or pulses

C712S200000, C712S023000

Reexamination Certificate

active

07000135

ABSTRACT:
In an information processing device including a processing circuit that performs processing in synchronization with a clock, and a clock supply control circuit that controls supply of the clock to the processing circuit, the number of cycles required from start of execution of processing in the processing circuit until output of a result of the processing is extracted, the extracted number of cycles is transferred to the clock supply control circuit, the supply of the clock is started when the processing is started in the processing circuit, and the supply of the clock to the processing circuit is stopped when the supply of the clock with the number of cycles is completed. Thus, a clock control method and an information processing device employing the clock control method are provided that allow power consumption to be reduced without impairing an execution efficiency of pipeline processing.

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