3.3.4.4.1 Connecting to an AVR UPDI Target

The recommended pinout for the 6-pin UPDI connector is shown in AVR UPDI Pinout.

Connection to a 6-pin 100-mil UPDI Header

Use the AVR 6-pin adapter board to connect to a standard 100-mil UPDI header.

Connection to a 6-pin 50-mil UPDI Header

Use the AVR 6-pin mini adapter board to connect to a standard 50-mil UPDI header.