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  • [SOLVED] Erase a secured ateml SAMD device

    pateco - - J-Link/Flasher related

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    Hi, I'm trying to flash an ATSAME51G19A on a CANBed M4 developer board (docs.longan-labs.cc/1030013/) using SWD. When I connect, I'm notified that the device is secured and that it needs to be unsecured using a mass erase of the internal flash. It seems to do something for a couple of minutes, repeating "Mass erase done!" but then fails at the end. Is there another way I could unsecure the device to allow for flashing? forum.segger.com/index.php/Attachment/4878/ forum.segger.com/index.php/Attach…