Product Range:Avr Atmega Family Atmega1281V Series Microcontrollers; Operating Frequency Max:8Mhz; Program Memory Size:128Kb; No. Of Pins:64Pins; Ic Case/Package:Tqfp; No. Of I/O S:54I/O S; Interfaces:I2C, Spi, Uart Rohs Compliant: Yes |Microchip Technology ATMEGA1281V-8AU.