The AVR64DB28-I/SS is an 8-bit microcontroller manufactured by Microchip. It features 64KB of flash memory, SSOP28 package, 85°C extended temperature range rating, 24MHz maximum operating frequency, 12-bit ADC capability, comparator, operational amplifier, multiplexed I/O for external control and monitoring, zero crossing detector, advanced built-in DAC, UART, SPI and TWI, and integrated debug interface. It is a powerful and versatile MCU designed for a wide range of digital control applications.