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ADC输入电压问题

Other Parts Discussed in Thread: CC3200

在CC3200 ADC转换中,输入信号为什么会在执行了下面子这个函数之后进行突变,有几毫伏到十几毫伏的变化

void ADCEnable(unsigned long ulBase)
{
//
// Set the global enable bit in the control register.
//
HWREG(ulBase + ADC_O_ADC_CTRL) |= 0x1;
}