Customer seems to be under the impression that TM4C129CNCPDTIR3R is pre-programmed with Code with in Flash to assist Flash Boot Loader operation. I did not think that was the case, only the ROM Boot Loader exist but wanted to confirm Also is there any other documentation for Flash Boot Loader? I only saw
But it does not go into any details about how the ROM Bootloader works and the datasheet had more information but it did not seem complete