https://devzone.nordicsemi.com/f/nordic-q-a/75114/saadc-oversampling-implementationHi Team, We have some application for using the oversampling code but we are facing some issue in that, we try to use the oversampling example to ours code but its calling the call back function after the 20 triggers for these is we find in the thisen-USTelligent Community 13Sat, 22 May 2021 13:17:40 GMThttps://devzone.nordicsemi.com/thread/311171?ContentTypeID=1Sat, 22 May 2021 13:17:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:7d48614c-4eeb-46f0-8fe6-72c6f71e7eddSimon<p>The reason you have to run&nbsp;nrf_drv_saadc_sample 20 times before the&nbsp;NRF_DRV_SAADC_EVT_DONE event is triggered is because&nbsp;SAMPLES_IN_BUFFER is set to 5, and&nbsp;<span>SAMPLES_IN_BUFFER*OVERSAMPLE = 5*4=20.</span></p> <p><span>Best regards,</span></p> <p><span>Simon</span></p><div style="clear:both;"></div>