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[STM32H742/743xI/G] USB OTG_FS PHY drive limit on DP/DM pins

Artem Kravchenko
Associate

Inside Errata for the " STM32H742/743xI/G" it is written:

 

To avoid damaging parts, the user application must avoid to load more than 5 mA on OTG_FS_DP/DM pins.

 

Could you provide some explanation of this topic:

  • How can I understand, was some parts damaging? 
  • How it will be affected on usual functionality of the USB module?

 

 

 

1 REPLY 1
Joe WILLIAMS
ST Employee

Hi ArtemKravchenko

This topic is being processed through the online support system.  We appreciate you sharing your question.

Kind Regards

Joe WILLIAMS

STMicro Support