大家好!以前的2812可以使用EVA模块的定时器直接触发AD转换,但是28335现在如果不进定时器中断,就无法通过定时器启动AD转换了,我现在不想为了启动AD,多增加一个定时中断(耗费CPU资源)。我知道通过pwm也可以启动AD,但是我现在12路PWM都要输出pwm波,而且我的pwm波的周期是可以变化的,但是AD的采样周期不变,不知道有没有什么办法可以实现定时启动AD转换吗?
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