The ATMEGA16U2-MU is a 8-bit low power high performance CMOS Microcontroller is based on the Atmel AVR enhanced RISC architecture. The device features 32kB self-programming flash program memory, 512B SRAM, 512-byte EEPROM, 8 channel. The device achieves 16 MIPS throughput at 16MHz at 3.3 to 5V operation.