ATmega328

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 executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed. Features  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 Endurance Non-volatile Memory Segments ̶ 4/8/16/32KBytes of In-System Self-Programmable Flash program memory ̶ 256/512/512/1KBytes EEPROM ̶ 512/1K/1K/2KBytes Internal SRAM ̶ Write/Erase Cycles: 10,000 Flash/100,000 EEPROM ̶ Data retention: 20 years at 85°C/100 years at 25°C(1) ̶ Optional Boot Code Section with Independent Lock Bits  In-System Programming by On-chip Boot Program  True Read-While-Write Operation ̶ Programming Lock for Software Security  QTouch® library support ̶ Capacitive touch buttons, sliders and wheels ̶ QTouch and QMatrix™ acquisition ̶ Up to 64 sense channels  Peripheral Features ̶ Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode ̶ One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture M...