locked out of my stm32g431.

[TMich.1]

made my own board with stm32g431kb and accidentally disabled swd. I can't acces my board anymore and pulling up boot0 doesn't help.

[Javier1]

Youre not locked out , try this:

• CubeMx CubeProgrammer with Power down or under reset mode
• If that doesnt work you need to do the reset SW raindance.

1. Hold the board in reset
2. Release the reset and inmediately press Connect in cubeProgrammer

[TMich.1]

is this cubemx or cubeide? in dube ide and cubemx I don't see the tab from your picture. and also do this with or without boot pulled up?

[KnarfB]

CubeProgrammer

[Piranha]

Connect the NRST pin to debugger and set those in CubeProgrammer:

Connect mode: Under Reset

Reset mode : Hardware reset

[TMich.1]

I tried this with no succes