The MICROCHIP TECH. part ATXMEGA128A1U-AUR is a highly versatile microcontroller unit (MCU) with an 8-bit/16-bit AVR RISC architecture. It features 128KB of Flash memory, 8KB of SRAM, and 2KB of EEPROM for data storage. Operating at a clock frequency of 32MHz, it offers a wide supply voltage range of 1.8V, 2.5V, and 3.3V. With its 100-pin TQFP package and tape & reel configuration, this MCU is ideal for various applications requiring high performance and reliability.