Datasheet

57
[Not recommended for new designs - Use XMEGA A1U series] XMEGA A1 [DATASHEET]
8067O–AVR–06/2013
30.1.8 Debug/System functions
RESET Reset pin
PDI_CLK Program and Debug Interface Clock pin
PDI_DATA Program and Debug Interface Data pin
TCK JTAG Test Clock
TDI JTAG Test Data In
TDO JTAG Test Data Out
TMS JTAG Test Mode Select