Part Number	ATmega168A Datasheet
Manufacturer	Microchip Technology
Overview	ATmega48A/PA/88A/PA/168A/PA/328/P megaAVR® Data Sheet Introduction The ATmega48A/PA/88A/PA/168A/PA/328/P is a low power, CMOS 8-bit microcontrollers based on the AVR® enhanced RISC architecture. By ex. * High Performance, Low Power AVR® 8-Bit Microcontroller Family * Advanced RISC Architecture ̶ 131 Powerful Instructions * Most Single Clock Cycle Execution ̶ 32 x 8 General Purpose Working Registers ̶ Fully Static Operation ̶ Up to 20 MIPS Throughput at 20MHz ̶ On-chip 2-cycle Multiplier * High End.