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STM32G0B1X RTC_OUTPUT generated at ADC_IN pin number PA4

st21
Associate

Hi team,

I am using STM32G0B1 for my project development were I use PA4 as a ADC_IN in analog mode and using RTC for date and time setting, though I am not using(/set) RTC_OUT but  1 Hz RTC calibration output getting activated at power on or at rebbot. 

To fix this issue I explicitly calling the “HAL_RTCEx_DeactivateCalibrationOutPut(&hrtc)” in main.c this fix the issue.

What is the expected fix of this issue? why its occuring ? does the place/time of calling that API matters?

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