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.

求指点epwm real-time interrupt这个例程

这段例程没有看明白,还请大家来指点迷津啊:

不明白这段例程中的C28核时钟、定时器、CMPRA、TBPRD以及GPIO71之间错综复杂的关系;根据setup_m3核中的设置C28核工作在150MHz,我用示波器测出的GPIO71脚输出的波形周期即灯的闪烁周期为328ms,我想知道是如何计算出来的,劳烦各位给小弟指条路,谢谢啦!!!