Burn Bootloader and program ATSAMD21G18A-AUT

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Hi forum! We have start using the ATSAMD21G18A-AUT. So, we have some questions:

  1. For to burn the bootloader, Must we to use Atmel ICE? That is the easiest programmer?

  2. For to burn bootloader, I think that we have to use the SWDIO and SWCLK pins, right? And after, when the bootloader is burned, for to program the sketch, we use the SWDIO and SWCLK pins using Atmel ICE? or can we upload the new sketch throught the Serial Port like Arduino ONE for example?

Thanks for your time. Waiting your answer! We need help!!:pensive:

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It might be "easiest" because it's in the "programmer" menu, but the ICE is an "old" programmer at this point. The Segger might be a better choice, especially if you qualify for the "educational" version.

For to burn bootloader, I think that we have to use the SWDIO and SWCLK pins, right?

Yes.

And after, when the bootloader is burned, for to program the sketch, we use the SWDIO and SWCLK pins using Atmel ICE? or can we upload the new sketch throught the Serial Port like Arduino ONE for example?

After you've burnt the bootloader, you should be able to upload sketches over either the Serial port or directly over USB.

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Hi Westfw, thanks a lot for your answers and your time.

One of reason for to use Atmel Ice is because we want use Arduino IDE for to upload the sketches. If we use the Segger programer can we use Arduino IDE?

About to burn bootloader and upload sketches ok, Burn bootloader through SWDIO & SWDCLK and upload sketches through serial port.

Thanks a lot.

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