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问下TM4C123GH6PM相关的PWM极性输出API在哪？

Chuanjie Deng
Prodigy 162 points


Datasheet中有这样一句话：Optional output inversion of each PWM signal (polarity control)。那就是可以输出负极性的PWM？想用单片机输出SPWM，负半周的波形想用极性输出实现。求大神指导如何实现负极性输出。