2.3 UPDI Header

The UPDI header is dedicated for the user to reprogram the ATtiny817. It is a 1.27 mm pitch 10-pin header, which can be directly connected to the Atmel-ICE.

Note: For Atmel-ICE, use the AVR® port to connect it.
Table 2-2. Pin Definition of the UPDI Header
PinName
1NC
2GND
3UPDI_RESET
4VCC
5RESET
6NC
7NC
8NC
9NC
10NC
Figure 2-4. UPDI Header
Figure 2-5. UPDI with Atmel-ICE
Figure 2-6. Schematic of the UPDI Header