PIC 系列单片机，其硬件结构和指令系统采用了与众不同的设计手法。与51 或者其他系列的单片机相比，PIC 单片机的中断机制有其特殊之处，本文针对PIC16F87X 系列单片机中断的特点，介绍它在频率计中的具体应用及使用中断时应该注意的几个问题。关键词：单片机 中断 频率计Abstract: PIC hardware structure and command system use a unique design approach.Compared with the 51 or any other series of SCM, PIC has its unique mechanism ininterrupt. This paper aims at the interruptive characteristic of PIC16F87X, andintroduces the SCM specific application in the cymometer and the use of interruptshould pay attention to several issues.Keywords: Single chip microcomputer interrupt cymometer
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