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AMabr.2
AMabr.2
Visitor II
October 1, 2022
Question

I'm using STM32F40CCU6 and ST-Link Debugger When I try to enter debug session, IDE say that mcu refused to connect

  • October 1, 2022
  • 2 replies
  • 642 views

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2 replies

gbm
gbm
Lead III
October 1, 2022

A common beginner's problem, addressed dozens of times on this forum. It's easy to find the possible diagnosis and solutions - just use search function.

My STM32 stuff on github - compact USB device stack and more: https://github.com/gbm-ii/gbmUSBdevice
I
Imen.D
Technical Moderator
October 2, 2022

Hello @AMabr.2​ and welcome to the Community :)

Have a look at this article which describes the ways to fix debugger connection issues:

How to solve debugger connection issues (st.com)

I hope this helps !

When your question is answered, please close this topic by choosing Select as Best. This will help other users find that answer faster.

Imen

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