4.4.1 Unified Program Debug Interface

The Unified Program Debug Interface (UPDI) uses one pin to communicate with the target. For further information on how to use the programming and debugging capabilities of the EDBG, see section Embedded Debugger.

Table 4-8. UPDI Connections
ATtiny817 Pin	Function	Shared Functionality
PA0	UPDI interface	UPDI debug connector

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