Atmega 8 bit avr microcontrollers atmel atmega16 16a the atmega16 16au 8 bit microcontroller 1k tqfp 44 is from a range of high performance microcontrollers featuring a wide range of peripherals megaavr offers substantial program and data memory and performance approaching 1 mips per mhz shares the same avr instruction set and memory organisation as attiny allowing for easy migration atmel atmega16 16au 8 bit microcontroller 1k tqfp 44