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@mallardduck
Created July 9, 2022 19:27
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QMK Supported AVR Chips

Current Supported AVR Chips

Type Chipset Total Pins GPIO Pins Usable GPIO Vcc USB
AVR ATmega16U2 / ATmega32U2 32 22 17 5v Native
AVR ATmega16U4 / ATmega32U4 44 26 22 5v Native
AVR AT90USB64 / AT90USB128 64 48 44 5v Native
AVR AT90USB162 32 22 17 5v Native
AVR ATmega32A 44 32 29 5v vUSB
AVR ATmega328P 32 23 15 5v vUSB
AVR ATmega328 32 23 15 5v vUSB
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