Hi i am using a STM32H757 with ACD1 measuring a voltage around 1.8v and adc2 at 3.3v, But my adc1 value is 1488 for 12 bit adc. Vref+ is at 3.3v and Vref- at ground. how do set the parameters to measure 3.3V adc? as i seem to be getting the wrong val...