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单片机定时/计数器工作于定时和计数方式时有何异同点

作者：时间：2016-11-21 来源：网络

定时工作模式和技术工作模式的工作原理相同，只是计数脉冲来源有所不同：

处于计数工作模式时，加法计数器对芯片端子T0(P3.4)或T1(P3.5)上的输入脉冲计数；处于定时器工作模式时，加法计数器对内部机器周期脉冲计数。本质都是一样的,都是计数.定时器,当计数溢出后,会产生中断.

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关键词：单片机定时计数器计数方式时有何异同

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