ATMEGA1281-16AU    ATMEL    TQFP-64  8-bit Microcontrollers - MCU 128kB Flash 4kB EEPROM 54 I/O Pins

Manufacturer:     ATMEL

Product Category:    8-bit Microcontrollers - MCU 

Data Bus Width: 8 bit   

Maximum Clock Frequency:    16 MHz   

Program Memory Size: 128 KB   

Data RAM Size: 8 KB  

Operating Supply Voltage:  2.7 V to 5.5 V    

Package / Case:  TQFP-64 

Mounting Style: SMD/SMT   

A/D Bit Size: 10 bit 

A/D Channels Available:    8   

Data ROM Size: 4 KB  

Interface Type:   2-Wire, SPI, USART     

Maximum Operating Temperature:     + 85 C

Minimum Operating Temperature:     - 40 C

Number of Programmable I/Os:    54 

Supply Voltage - Max:   5.5 V 

Supply Voltage - Min:   2.7 V