ATmega328P Datasheet | Microchip Technology

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 pare Mode ̶ One 16-bit...