STM32F429 controller is Reset when Power ON the Instrument

Sbira.2 · ‎2021-01-03

I use STM32F429BIT6 controller in our instrument. When Power is ON after initialization STM32F429 controller is Reset. This happen only Once time after power on the instrument. It is not continuous reset.

What can i do

Peter BENSCH · ‎2021-01-05

You're welcome!

When it works for you and your question is answered, please close this topic by choosing Select as Best. This will help other users find that answer faster.

Good luck!

/Peter

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View solution in original post

Peter BENSCH · ‎2021-01-04

It it not necessary to use an external reset device due to the internal reset circuitry. Please try to remove:

R3, R6 (10k)
U3

After you've done this, only the reset buttons SW1 and C14 (100nF) are connected to NRST, which is fully sufficient.

/Peter

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.

Sbira.2 · ‎2021-01-04

Thank you

Peter BENSCH · ‎2021-01-05

You're welcome!

When it works for you and your question is answered, please close this topic by choosing Select as Best. This will help other users find that answer faster.

Good luck!

/Peter

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.