ATmega4809 Xplained Pro

4.4.1 UPDI

The UPDI interface uses one pin to communicate with the target. For further information on how to use the programming and debugging capabilities of the EDBG, see Embedded Debugger.

Table 4-10. UPDI Connections
ATmega4809 Pin	Function	Shared Functionality
UPDI	UPDI programming/debugging	DEBUG
PF6	RESET	SW1, EXT1, DEBUG

Info: PF6 (RESET) is usually not used by the EDBG as the ATmega4809 can be reset through the UPDI interface.

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