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28335关于ADC采样的问题



你好老师:我在做直流电机控制项目,PWM控制。PWM频率为16K,脉宽为62.5uS,增减模式。ADC采样希望是同步采样,与PWM同时启动。我现在希望得到10MS采样一次,(进一次中断),也就是经过160个PWM脉冲采样一次,怎么做啊?请指教