stm定时器的预重装值
时间: 2023-08-20 16:13:16 浏览: 31
预重装值是指定时器计数器达到该值后会发生溢出,并触发中断或重新开始计数的值。在STM定时器中,预重装值可以通过设置定时器的period参数来实现。例如,在引用\[2\]中的代码中,预重装值被设置为99,即当定时器计数器计数到99时会发生溢出。根据定时器的时钟频率和预分频系数,可以计算出预重装值的具体数值,以实现所需的定时功能。
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