ADC_PDWN
SetRegister(VIP_ADC_CNTL, ADC_PDWN, ADC_PDWN);
SetRegister(VIP_ADC_CNTL, ADC_PDWN, ADC_PDWN_UP);
SetRegister(VIP_ADC_CNTL, ADC_PDWN, ADC_PDWN_DOWN);
SetRegister(VIP_ADC_CNTL, ADC_PDWN, ADC_PDWN_UP);