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February 28, 2008
about 5 years ago
I’ve got the definitive word from Atmel about using the Dragon with this chip.
The Dragon can communicate using ICSP or PDI. It uses the same cable on the same connector with the same pinout for either.
The Dragon will not program ATXMegaA1 devices using the PDI mode interface. There was some confusion about this point both here, on the net, and in the AVRStudio documentation.
I’ve personally verified this: the Dragon can’t do it.
The most recent version of AVRStudio has the correct documentation, previous versions imply (incorrectly) that you can program these devices.
Since the chips in this product have JTAG turned off by fuse, it is thus impossible to use this product with a Dragon.
The Dragon will program other ATXMega devices using PDI, just not this one.
According to a direct answer from Atmel, the AvrISP MkII is able to program these chips using PDI.
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