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anuj
anuj
Associate II
May 21, 2017
Question

STM32F072 PowerOn Not in Run Mode

  • May 21, 2017
  • 1 reply
  • 586 views
Posted on May 21, 2017 at 15:59

I have STM32F072 Discovery board, I am running some demo program, now the issue is, when I power on the discovery with USB or external supply, it doesn't boot into run mode/Program Mode, I have to reset the MCU, in order to run it. 

Where is the issue? I am unable to understand.

#stm32f07 #power-on #boot
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1 reply

Tesla DeLorean
Tesla DeLorean
Guru
May 21, 2017
Posted on May 21, 2017 at 18:32

>>

it doesn't boot into run mode/Program Mode

How do you make this determination?

Can you output to a GPIO or LED prior to initializing the clocks?

Does the ST-LINK have current firmware?

Have you reviewed the state of NRST and BOOT pins?

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