The following sections describe the implementation of the relevant peripherals, headers, and connectors on the ATmega328P Xplained Mini and their connections to the ATmega328P. The tables of connections in the sections below also describe which signals are shared between the headers and on-board functionality.
The figure below shows the assembly drawing of the ATmega328P Xplained Mini to help the identification of components.
Figure 1. ATmega328P
Xplained Mini Assembly Drawing