ATOM boot issues

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standudinski
Learning to Wiggle
Posts: 28
Joined: Tue Nov 20, 2018 6:49 pm
Location: USA

ATOM boot issues

Post by standudinski » Fri Mar 26, 2021 2:26 am

here are the facts.
ATOM registered with the STLink, bootloader and firmware uploaded with no issues. checksums are the same between the memory and the HEX file.
During bootup ATOM does not flash it's LEDs. the backlight LEDs turn on. There is proper power going to the ARM chip, no apparent shorts between power and grounds. after an initial check over, there do not appear any shorts between leads on any packages. the negative rail voltage regulator does get warmer than it's positive voltage counterpart, but both output a clean 3.5V. The LEDs, do not flash neither with the trigger button, nor outside gate signal. There is obviously no signal coming from the outputs.
i did put the trigger button upside-down, but since had installed it properly.

Any pointers?

Thanks!

User avatar
standudinski
Learning to Wiggle
Posts: 28
Joined: Tue Nov 20, 2018 6:49 pm
Location: USA

Re: ATOM boot issues

Post by standudinski » Mon Mar 29, 2021 8:35 pm

Booting problem solved.

ALWAYS use confirmed and working HEX files!

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