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AN4073 Datasheet(PDF) 29 Page - STMicroelectronics

Part # AN4073
Description  How to improve ADC accuracy when using STM32F2xx and STM32F4xx microcontrollers
PDF  32 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

AN4073 Datasheet(HTML) 29 Page - STMicroelectronics

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DocID022945 Rev 5
29/32
AN4073
Firmware sequence to activate Option 1 and Option 2
31
Appendix C
Firmware sequence to activate Option 1 and
Option 2
C.1
Option 1
/**
* @brief
Enables or disables the ADC Option_1 configuration.
* @param
NewState: new state of the ADCDC1 bit.
*
This parameter can be: ENABLE or DISABLE.
* @retval None
*/
void SET_ADCOption1 (FunctionalState NewState)
{
/* ENABLE PWR clock */
RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR,ENABLE);
if (NewState != DISABLE)
{
/* Set ADCDC1 bit */
PWR->CR |= ((uint32_t)PWR_CR_ADCDC1);
}
else
{
/* Reset ADCDC1 bit */
PWR->CR &= (uint32_t)(~PWR_CR_ADCDC1);
}
}



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