The “ATmega32U4 pin name” column shows the official name of the pin according to the [https://www.microchip.com/wwwproducts/en/ATmega32u4 fiche technique de l' ATmega32U4]. | The “ATmega32U4 pin name” column shows the official name of the pin according to the [https://www.microchip.com/wwwproducts/en/ATmega32u4 fiche technique de l' ATmega32U4]. |