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System bootloader

pvall.1
Associate II

‎2023-10-04 06:25 AM

Hello,

I'm currently working on a system bootloader using an STM32L4P5VGTx board. During this process, the board entered an unknown state and doesn't seem to recover even after a reset.

I also attempted to use the Cube Programmer tool to load a bin file, but it's not detecting the USB port for the connection and uploading process.

Could you please provide guidance on how to resolve this issue and bring the board back to normal operation?

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TDK
Guru

‎2023-10-04 07:02 AM

Custom board? Is the board connected with SWD? If so, you should be able to connect under reset.

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