Virgin STM32L4 always shows "Mass erase operation failed. Pleaes verify flash protection" error in STM32CubeProg. It is a virgin device, I guess as factory setting there should be no write protection. How could I flash it at all?Thank you very much!
Yes, I agree that it is a good idea to have at least 1 original/authentic ST Link USB doggle to verify user board is working. And it is also common that during development there are different versions of PCB boards, multiple debug/flash connectors on...
Thank you very much! I should have provided more information.I'm using ST Link V2 4-wire debugger to flash my board (self designed). I noticed that, if I lower down the "Frequency", then it can sometimes successfully flash (in this screenshot the fre...
