USB AVR ISP MKII-Compatible AVR Programmer Olimex USB AVR ISP MKII-Compatible AVR Programmer supports programming of Atmel 8-bit AVR microcontrollers with ISP, PDI, or TPI interfaces. Using the AVR Studio® software, designers can program tinyAVR and megaAVR devices using the ISP Interface, tinyAVR devices using the TPI interface, and AVR XMEGA devices using the PDI Interface. The programmer works with AVR Studio 4, AVR Studio 5, and Atmel Studio 6. It connects to a PC via USB 2.0 Full speed and has no need for an external power supply as it takes power from the USB.