The Unified Program and Debug Interface (UPDI) is Microchip’s proprietary interface for programming and on-chip debugging, and has become the standard on AVR MCUs after Microchip’s purchase of Atmel.
A new mid range in-circuit debugger and programmer has been unveiled by Atmel. The JTAGICE3 supports all Atmel AVR 8 and 32bit mcus and is said to be smaller, faster, and more robust than the previous ...