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我们这边根据例程进行编码,测试EPWM的功能,用示波器测试发现占空比与设置的值偏差了2.1%左右,而且设定最小占空比只能到达2.3%。根据例程提供的方案进行设定,设置了12%的占空比,然后得到14%左右的方波。我这边使用的EPWM模式是EPWM_COUNTER_MODE_UP_DOWN