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XMEGA B3 [DATASHEET]
8074D–AVR–08/2013
32.1.8 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
