SAMD51-Bootloader-note

my note about install a SAMD51 UF2 bootloader

• use JLinkFlash utility
• connect && erase target ATSAMD51J19
• write 2bytes for the SAMD51 NVMC Security Fuse; Protection Off!
• upload bootloader @ 0x0
• reboot

• SAMD21/D51 Security Fuse

References:

Adafruit UF2 bootloader release 3.13
Flash adafruit uf2 bootloader to grandcentral m4 express board
UF2-SAMDX1 Bootloader Microsoft