Part Number: ATXMEGA64A4U-AUR Manufacturer: Atmel Description: Microcontrollers (MCU) 8/16 bit 1.6V-3.6V 64 Kb + 4 Kb Download Data Sheet Docket: 8/16-bit Atmel XMEGA Microcontroller ATxmega128A4U, ATxmega64A4U*, ATxmega32A4U, ATxmega16A4U Features ...