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关于TMS320F2812的ADC问题

Other Parts Discussed in Thread: TMS320F2812, SPRC097

你好,我用是tms320f2812,adc设置为级联模式顺序采样,采样4个通道,信号为50hz的交流电流,ADCCLK设置的为0.125M,采样率设置为20ms内采样200次,2812的第175腿(ADCLO)和176(VssAIO)都接地了,现在的问题是下载到RAM里运行时,ADC能正常采集,有时重新下载到RAM里后ADC就不采集,但重新下载到RAM后又正常了,这是什么问题,该如何解决?