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SCook.1
Associate III
September 10, 2021
Solved

Is it ok to connect an ST-LINK V2 to a board which has a powered 3.3V rail?

I ask because I need to test the analogue part of a (custom) board which is powered from 12V, but also generates a 3.3V rail from that. I'd prefer to leave the ST-LINK connected if at all possible.

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Peter BENSCH
Peter BENSCHBest answer
ST Technical Moderator
September 10, 2021

Yes, you can do that.

Regards

/Peter

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2 replies

Peter BENSCH
Peter BENSCHBest answer
ST Technical Moderator
September 10, 2021

Yes, you can do that.

Regards

/Peter

In order to give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
SCook.1
SCook.1Author
Associate III
September 11, 2021

I can confirm that it works. Thank you Peter.