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Use of RESET_N in NB 1500 variant core #526

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@janakelarsson

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@janakelarsson
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After some erratic behavior of the NB and finally a bricked device I looked in the system integration manual and found differences between the use of the POWER_ON and RESET_N pins in the manual and in the library.

I suspect I have bricked one device by using the library restart function too liberally. See arduino-libraries/MKRNB#47 .

I have tried a rewritten variant of the library on a new device, following the SARA-R4 datasheet and systems integration manuals, and it seems to work. I would prefer to remove the use of RESET_N even from the arduino core used.

I have not yet created a pull request, I would like to discuss changes with devs here. See https://github.com/janakelarsson/ArduinoCore-samd/commit/20cfad1d63500e640cd802d8bc88e934305b0ac9

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changed the title [-]Use of RESET_N in variant core[/-] [+]Use of RESET_N in NB 1500 variant core[/+] on Jun 12, 2020
janakelarsson

janakelarsson commented on Jul 22, 2020

@janakelarsson
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Closed by #550

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        Use of RESET_N in NB 1500 variant core · Issue #526 · arduino/ArduinoCore-samd