Hi,Thanks for your reply. I'm using a mx25l512. I managed to get it some sort of working. For some reason sometimes I can program the chip many times after each other without any problem. But there are also moments I have to reconnect or even restart...

Hi, I have this Failed to download to segment issue. I wrote a custom loader for a stm32h725 with a qspi flash (yes qspi not octo). I have implemented the low level functies for the loader and tested them. They are woking fine. Also the memory mappin...