What about MKII ?

Are AVR-USB-JTAG and AVR-JTAG-L compatible with ATMegaICE MKII or ATMegaICE none MKII?

I see no USB option in AVRstudio for ATMegaICE non MKII ?

Are this dongles able to debug with the ATMega644 ??

I have no ATMega644 in AVRstudio when I choose ATMegaICE non MKII ?

Thanks for helping!

The Jtag ICE that olimex sells is NOT compatible with the MKII.

The USB is from a USB - Serial chip inside the Olimex JTAG. It wold show up as a serial port on the computer. Select the COM port instead of USB.

If the atmega644 has JTAG support yes…if it has DEBUG WIRE then NO!