CCS/TM4C1290NCZAD: USB DFU boot loader, DK-TM4C129X boot_usb_demo - Arm-based microcontrollers forum - Arm-based microcontrollers - TI E2E support forums
DFU
STM32: Minimal USB bootloader circuit - Electrical Engineering Stack Exchange
GitHub - majbthrd/PIC16F1-USB-DFU-Bootloader: DFU protocol variant of Matt Sarnoff's PIC16F1-USB-Bootloader
USB DFU Boot Loader for XMEGA - Atmel Corporation
App note: USB DFU protocol used in the STM32 bootloader – Dangerous Prototypes
STM32 Blue Pill USB Bootloader — How I fixed the USB Storage, Serial, DFU and WebUSB interfaces