Resolved! [STM32L431] Cannot monitor VBAT using ADC
I am trying to read VBAT value through channel ADC1_IN18.VBAT should be between 2.3 and 3.3V.VREF+ pin is connected to VDDA=1.8V.Values measured using ADC are linearly related to the real VBAT value, but I have not been able to get the exact value.Fo...