State of GPIO lines before loading program to flash - STM32F4

bmak · ‎2021-09-24

Hi,

I wonder in which state are the GPIO lines of STM32F407VG BEFORE loading program to flash memory.

Thanks :)

Peter BENSCH · ‎2021-09-24

This depends on the GPIO port: Please check the relevant section GPIO registers in the reference manual for the respective family.

You will find the reset values of GPIOx_MODER, GPIOx_PUPDR etc, which are active until changed by the initialization.

Regards

/Peter

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Peter BENSCH · ‎2021-09-24

This depends on the GPIO port: Please check the relevant section GPIO registers in the reference manual for the respective family.

You will find the reset values of GPIOx_MODER, GPIOx_PUPDR etc, which are active until changed by the initialization.

Regards

/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.

bmak · ‎2021-09-24

Thanks! I had no idea where to look for the answer :).