
6.
Boot Loader
The module is delivered with a pre-flashed boot loader. The bootloader memory section (8 kB) is write-protected at
factory. To overwrite the write-protection, program the BOOTPROT bits[2:0] of NVM User Row with the default value
of 0x7.
Customers not using the bootloader must program the BOOTPROT bits to default value to program the complete
Flash of the SAMR30 device. For detailed information, refer to the boot loader manual. The related information is
available in the AVR2054 Application Note.
ATSAMR30M18A
Boot Loader
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2018-2021 Microchip Technology Inc.
and its subsidiaries
Datasheet
DS70005384B-page 16