dfu-programmer is a Device Firmware Update based USB programmer for Atmel chips with a USB bootloader.dfu-programmer is a linux based command-line programmer for Atmel (AVR and 8051) chips with a USB bootloader supporting ISP.Supported Chips:8051 Chips· at89c51snd1c· at89c5130 · at89c5131 · at89c5132AVR Chips · at90usb1287 · at90usb1286 · at90usb647 · at90usb646 · at90usb162 · at90usb82