The Microchip AVR DD Family of microcontrollers are using the AVR CPU with 28 pin package and hardware multiplier running at clock speeds up to 24 MHz, with 64 KB of Flash, 8 KB of SRAM, and 256 bytes of EEPROM. It uses the latest technologies from Microchip Technology, with a flexible and low-power architecture, including the Event System, intelligent analog features, and advanced digital peripherals.

External high-frequency oscillator
Running up to 24 MHz
Two-level interrupt controller
12-bit Differential Analog-to-Digital Converter (ADC)
10-bit Digital-to-Analog Converter (DAC) with Output Buffer