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28069 28335 28377芯片是否可以通过定时器中断让IO口打出宽度为1us脉宽的波形?
如果28069不行,有什么方法让28069打出该宽度的PWM波形?谢谢
"这个PWM波形是1us且50%的占空比?",不是;是只需要打出1~3个1us脉宽的波形。
可以通过定时器去拉低置高IO口,需要实测,注意进中断和代码执行也是需要一些周期的。