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Ara.1
Ara.1
Associate III
January 5, 2021
Question

stm32pm1 power failure

  • January 5, 2021
  • 2 replies
  • 625 views

Strange issue

used power supply 24v, 5A

If we connect debug 3.5 MM cable on debug port, then only unit boots up and taking to kernel command line prompt else it does not boot up

I tried taking out LCD display , USB, battery, still above issue there

its a customized board,

help me to diagnose

This topic has been closed for replies.

2 replies

PatrickF
PatrickF
Technical Moderator
January 11, 2021

Hello,

as it is custom board, we need more information to help you. I think you already done some investigation and results. We could answer only to precise questions on a specific STM32MP1 behavior.

Regards.

In order to give better visibility on the answered topics, please click on 'Accept as Solution' on the reply which solved your issue or answered your question.Tip of the day: Try Sidekick STM32 AI agent, see here
Ara.1
Ara.1Author
Associate III
January 11, 2021

its a junk character received , when physical debug cable,

i bypass this scenario in uboot , now working

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