I have Atmel Studio v6.2 and a AVR JTAG ICE MK2 with firmware v7.26, when I connect my ISP and debugWire to the target I can read voltage, signature, fuses etc...
But in the dropdown windows I have only ISP option and no debugWire option. Does anybody has clue why is this? In the documentation I read that older revisions had broken PDI and aWire interfaces, but nothing mentions a debugWire.
I have no caps, resistor on the reset, it's plain CPU with nothing else in between, running at the 1MHz internal oscillator with communication frequency set to minimum.
The moment I enable DW fuse I will lock myself from the CPU, as I can't switch to the debugWire to disable it.