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ADC conversion time

Question asked by sav gas on Dec 1, 2017

Hi,

I nedd to execute an adc conversion in STM8S003. I read that te conversion time is about 2.3us, but I see that the time in my project is about 25us. 

Configuration of  CLK_Config(void)
{
/* Initialization of the clock */
/* Clock divider to HSI/1 */
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV1);

}

Configuration of adc

void ADC1_setup(void)
{
ADC1_DeInit();

ADC1_Init(ADC1_CONVERSIONMODE_SINGLE,
ADC1_CHANNEL_1,//ADC1_CHANNEL_0,
ADC1_PRESSEL_FCPU_D2,
ADC1_EXTTRIG_GPIO,
DISABLE,
ADC1_ALIGN_RIGHT,
ADC1_SCHMITTTRIG_CHANNEL1,
DISABLE);

ADC1_Cmd(ENABLE);
}

Clock oscillator is internal at 16Mhz

 

Someone can tell me where are the errors?

 

Thanks!

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