延时按键抖动是什么意思
时间: 2023-09-28 11:10:26 浏览: 53
延时按键抖动是指在按下按键后,为了防止按键信号的抖动而添加的一段延时时间。当按键被按下后,会出现一些不该存在的噪声,这可能导致电路的误动作。为了解决这个问题,可以在检测到按键状态变化后,等待一个延时时间,让抖动消失后再进行一次按键状态检测。如果两次检测到的按键状态相同,就可以确认按键已经稳定的动作了。这样的处理方式可以有效地消除按键抖动带来的影响。 <span class="em">1</span><span class="em">2</span><span class="em">3</span>
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