Recently we have received STM32F103RBT6/T7 samples which could not be flashed using internal bootloader. We have checked working devices and under 0x1FFF F000 they have readable bootloader firmware code. Problematic samples have FF bytes in the same ...

Recently we have noticed in our company problems with writing information into MCU flash. It occured, that write last longer than before and 50 ms watchdog resets device during that. We had to make watchdog delay longer to 100 ms. Now the problem occ...