Erase flash of bricked SAML21 Xplained Pro board

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Hi everyone,


Yesterday when I opened Atmel Studio, it prompted me to update the board firmware in order to be able to access it to program its flash. However, something have gone wrong since I can't program the board anymore.

I believe it is bricked. I tried to program it with Atmel Studio, which says that no device has been found (error 4109).

I also tried with openocd, which outputs "Error connecting DP: cannot read IDR".


Is there any way to erase the flash when the board is in bricked state?


Many thanks in advance for your answers and your help.

Last Edited: Wed. Sep 14, 2022 - 08:41 AM