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

[SCook.1]

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.

[Peter BENSCH]

Yes, you can do that.

Regards

/Peter

[SCook.1]

I can confirm that it works. Thank you Peter.