I am working with STM32H750VBT6 rev. V. I divided the internal flash into protected and unprotected areas. I set option bytes for the protected area. It worked fine. After that I needed to deactivate PCROP protection. I could not do it. I use STM32Cu...

We are working with STM32H750VBT6. Our project works with an external QSPI flash. We planned to put our bootloader in STM’s internal flash and our firmware in the QSPI flash. We need to protect the internal flash (bootloader) for reading from the ext...