ATmega4809 microcontroller One mechanical user switch One yellow user LED 32.768kHz crystal for accurate timing and clock application, ∼20 ppm On-board debugger Board identification in Atmel Studio/Microchip MPLAB X One green power and status LED Programming and debugging Virtual COM port (CDC) Two logic analyzer channels (DGI GPIO) USB powered Adjustable target voltage MIC5353 LDO regulator controlled by the on-board debugger 1.8 - 5.1 V output voltage (limited by USB input voltage) 500mA maximum output current Supported with application examples in Atmel START A board the size of a stick of gum with the power to take your idea to market On-board debugger - no external tools are needed to program the ATmega4809 Flexible 8-bit ATMega4809 MCU is perfect for real-time control (and so much more)