This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

问题:2812-IO/PWM

2812芯片,在6路pwm口上面分别加1K的下拉电阻,用IO的方式可以正常输出,但是PWM方式输出全部为低电平 现在芯片特别烫 请问是什么原因?