This paper introduces a method of high performance processor PowerPC8640 based on dynamical y reducing power consumption,it contains when the processor product can't be working in the bad environment,and can reduce the power consumption,then the processor can work on.%随着集成电路生产工艺的不断提高、规模越来越大,造成了处理器的性能和功耗的剧增。在嵌入式系统的设计中,如何使高性能的处理器在恶劣的环境下正常工作,是经常让设计人员头痛而又不得不面对的问题。介绍一种基于PowerPC8640高性能处理器可动态降功耗的方法,使包含处理器的产品在恶劣的环境下不能正常工作时,可通过降低功耗而正常工作。
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