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am437x裸板如何调试pwm输出一个波形



开发环境:ccs

硬件:am437x idk板子,使用AE21作为输出

调试过程:连上板子上自带仿真器,在调试接口里面暂停arm,通过register窗口来写入pwm的寄存器。

结果:没有波形输出

求助:在ccs上配置哪些寄存器可以让pwm的时钟跑起来?