Kirk Wallace wrote: > > > Apparently the XMega's use JTAG and PDI for programming. You can do JTAG by bit-flipping the parallel port. There is TEST_MODE_SELECT, TEST_CLOCK, TEST_DATA_IN and TEST_DATA_OUT. So you need to drive 3 signals and sense one. You probably need level translators for the chip's voltgae levels. I suspect you can find code that somebody's posted on line.
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