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Associate III
September 4, 2025
Solved

STM32CubeIDE PA3 Alternate Function Bug

  • September 4, 2025
  • 1 reply
  • 333 views

Hi, 

There is a blatant bug in the STM32CubeIDE that has costed me a board iteration on a professional product. 

It says that pin PA3 is positive comparator input. When it isn't. Look here 

danielbathtub_0-1756991198601.png

This is what the datasheet says.

danielbathtub_1-1756991295544.png

 

 

Best answer by

Hello.
Comparator is an additional function. Not alternate.

g071.PNG

1 reply

Best answer
September 4, 2025

Hello.
Comparator is an additional function. Not alternate.

g071.PNG

Associate III
September 4, 2025

Okay great thank you 

September 4, 2025

Welcome