软件包中有一个PWMDAC模块,硬件中也有一个DAC_PWM1/DAC_PWM2/DAC_PWM3/DAC_/PWM4
但硬件中这几个信号就连接到一个5针接口,没有外部连接。
请问在软件和硬件上这个PWMDAC是干嘛的啊?
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