Hello everyone, I am designing a new board using ATSAMD21E17D processor. Originally the processor was ATSAMD21E17A, but since it was out of stock I switched it for "D" variant. I have a J-link debugger and I was able to program a simple blink example to it using "Microchip Studio for AVR and SAM D…

@meghdadi You might also want to change the memory configuration on lines 60 and 61 of the "boards.txt" file as well for 128kB flash and 16kB RAM: arduino_zero_native.upload.maximum_size=131072 arduino_zero_native.upload.maximum_data_size=16384 There's also the memory configuration on lines 28 and…

How to write programs for a custom SAMD21 board using Arduino IDE

Other Hardware Hardware Development

meghdadi October 12, 2021, 12:42pm 7

@MartinL , yes, the bootloader upload was successful.
The BOOTPROT fuse is set to zero bytes. The double reset gives the same "Device not recognized" error.

Topic		Replies	Views
Problems uploading bootloader to ATSAMD21 and programming with Arduino Zero	8	3420	May 6, 2021
ATSAMD21E15 Board Variant Zero	10	5137	May 6, 2021
Programming Custom SAMD21 board through Native USB Hardware Development	4	6754	May 6, 2021
Anything special I'd need to do to use the SAMD21E17 with the IDE? Zero	15	5762	May 6, 2021
ArduinoCore-samd Bootloader on Chip Variant Zero	4	2834	May 6, 2021

How to write programs for a custom SAMD21 board using Arduino IDE

Related topics