ATMEGA328A Datasheet | Atmel

Features - - High Performance, Low Power Atmel®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 Atmel® 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...