ATtiny104 Xplained Nano

5.1 Tiny Program Interface

The Tiny Program Interface (TPI) uses two pins to communicate with the target. For further information on how to use the programming capabilities of the mEDBG, see Mini Embedded Debugger.

Table 5-1. TPI Connections
ATtiny104 Pin	Function	Shared Functionality
PA0	TPI clock	mEDBG
PA1	TPI data	mEDBG

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