| Core Processor Core Size Speed Connectivity Peripherals Number of I/O Program Memory Size Program Memory Type EEPROM Size RAM Size Voltage - Supply (Vcc/Vdd) Data Converters Oscillator Type | AVR 8-Bit 12MHz - POR, PWM, WDT 4 1KB (512 x 16) FLASH - 32 x 8 1.8 V ~ 5.5 V - Internal -40°C ~ 85°C |