The Microchip Technology 037052-ATMEGA2560-16AU is an 8-bit AVR microcontroller with a program memory size of 256KB (128K x 16) and a data RAM size of 8K x 8. It has 86 I/O pins and operates on a supply voltage range of 4.5 V to 5.5 V. This microcontroller is packaged in a 100-TQFP (14x14) and is widely used in various applications such as clock and timing, embedded design and development, imaging, video and vision, industrial, motor drive and control, multimedia, portable devices, sensing and instrumentation, and wireless. It is an active product and is designed to operate in a temperature range of -40°C to 85°C (TA).