ATMega328P-PU

picoPower technology AVR Microcontroller.
32KB self-programming Flash Program Memory, 2KB SRAM, 1024 Bytes EEPROM, 6 Channel 10-bit A/D-converter(PDIP). debugWIRE On-chip Debug System. Up to 20 MIPS throughput at 20 MHz.
Operating Voltage: 1,8V - 5.5V