4.3.1 JTAG

The JTAG use five pins to communicate with the target. For further information on how to use the programming and debugging capabilities of the EDBG, see Embedded Debugger.

Table 4-14. JTAG Connections
Pin on ATmega256RFR2Function
PF4JTAG TCK
PF5JTAG TMS
PF6JTAG TDO
PF7JTAG TDI
RSTNRESET