ADC issue in STM32CubeIDE V1.10.0

[AMakw.1]

 

Hi

I am facing issue in adc conversion result.

MCU : STM32H750VBT6

ADC : 2

CHANNEL : 14 (PA2)

1) 0V ADC give 32767 result count after conversion complete

2) 3V ADC give 65535 result count after conversion complete

3) with floating pin getting full count

Any feedback will be help full.