Could you add more details, in particular precise which product your are targeting ?
Regards.
In order to give better visibility on the answered topics, please click on 'Best Answer' on the reply which solved your issue or answered your question.Tip of the day: Try Sidekick STM32 AI agent
I had a project to use the STM32L431KB for a portable device. When user running, its battery causes BOR and I need to use the FW to detect the BOR to disable its audio operation only when its power ON again.