Target Programming

The J204 header enables a direct connection to the ISP bus with an external programmer for programming of the ATmega328P.

Table 1. ISP Header
J204 Pin ATmega328P Pin Function
1 PB4 MISO
2   VCC target
3 PB5 SCK
4 PB3 MOSI
5 PC6 RESET
6   GND
Parent topic: Target Headers and Connectors