Part Number: ATXMEGA256A3BU-AU Manufacturer: Atmel Description: Microcontrollers (MCU) 64TQFP, IND TEMP, GREEN, 1.6-3.6 V Download Data Sheet Docket: Features · High-performance, Low-power 8/16-bit Atmel® AVR® XMEGATM Microcontroller · Non-volatile ...