The AVR64DA28-I/SO with 8-bit Microcontrollers - MCU 64 KB, 28-pin, 85C, SOIC, Tube is a microcontroller manufactured by Microchip. It is an 8-bit device with 64KB of program memory, 4KB of SRAM, 2KB of EEPROM, and 28 general I/O pins. It operates at up to 4MHz frequency and includes Programmable Watchdog Timer (WDT) with On-Chip Oscillator and On-Chip Reset circuitry. The device is suitable for embedding in a wide variety of applications including automotive, industrial, medical, and general purpose applications. The package type of this device is SOIC 28 at a Junction temperature of 85C.