ATmega32U4 (44-pin QFN/TQFP)

ATmega32U4 (44-pin QFN/TQFP) pinout

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ATmega32U4 (44-pin QFN/TQFP) pinout diagram

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Notes

The USB-capable AVR on the Arduino Leonardo, Micro, and Esplora. Arduino functions are shown in red.