The Microchip technology ATMEGA family type, TQFP package, surface mount, 44-pin AVR RISC-based processor with hardware multiplier 8-bit has a maximum voltage rating of 5.5 V. This microcontroller operates at a maximum speed of 20MHz and features 32kb ISP flash program memory, 2kb of internal SRAM and 1kb of EEPROM. It has 39 programmable I/O lines. The microcontroller has a real-time counter, five flexible timers/counters with compare modes, PWM, 3 UARTs and 8-channel 10-bit A/D converter.

• 10 PWM channels
• 131 powerful instructions - Most single-clock cycle execution
• External and internal interrupt sources
• Fully static operation
• High endurance non-volatile memory segments
• High-performance 8-bit advanced RISC architecture
• On-chip 2-cycle multiplier
• Operating temperature ranges between -40°C and 85°C
• Peripheral touch controller (PTC)
• Programming lock for software security
• Six sleep modes- Idle, ADC noise reduction, power-save, power-down, standby and extended standby
• Three 16-bit timers/counters with separate Prescaler, compare mode and capture mode
• Three USART with fractional baud rate generator, auto baud and start-of-frame detection
• True read-while-write Operation
• Two 8-bit timers/counters with separate Prescaler and compare mode
• Two-wire UART serial communication mode for general-purpose
• Write/Erase cycles- 10,000 flash/100,000 EEPROM

• Embedded systems
• LCD monitors and TVs
• Mobile PC docking
• PC motherboards
• Portable hub boxes
• Printers and scanners