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TZCTL寄存器可以利用错误事件来配置ePWM模块输出为高阻态，除了这种方法，有没有别的方法能直接配置ePWM模块的输出为高阻态？
引脚只能通过寄存器配置输出状态
同时你看看在默认情况是不是高阻输出？
还有办法就是在输出引脚外加buffer 通过控制使某种状态下输出为高阻
