16-bit microcontroller - ATxmega series - Atmel - general purpose / low-power / programmable
ATMega16 Pin Diagram, Configuration, Features & Datasheet
Atmel Semiconductor ATMEGA16-16PU ATmega16, 8-Bit AVR Microcontroller with 16KB, in-System Programmable Flash, DIP-40, 13.97 mm W x 4.83 mm H x 52.58 mm L (Pack of 2): Amazon.com: Industrial & Scientific
ATMEGA16-16AU - Microchip - 8 Bit MCU, AVR ATmega Family ATmega16 Series Microcontrollers, 16 MHz