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28377d,提高adc采样频率,有什么限制吗?



想体改采样频率

如果把AdcaRegs.ADCCTL2.bit.PRESCALE减到0或者2

就可以让采样时钟到200M或100M

但是整个采样周期最终是由哪些因素决定的

最快可以达到多高的采样率

    AdcSetMode(ADC_ADCA, ADC_RESOLUTION_16BIT, ADC_SIGNALMODE_DIFFERENTIAL);

16bit,差分