ATmega328, ATmega48A Datasheet - Microchip

ATmega328 CMOS 8-bit microcontroller

13 2 Overview 15 2.1 Block Diagram 15 2.2 Comparison Between Processors 16 3 Resources 17 4 Data Retention 17 5 About Code Examples 17 6 Capacitive Touch Sensing 17 7 AVR CPU Core 18 7.1 Overview 18 7.2 ALU * Arithmetic Logic Unit 19 7.3 Status Register 19 7.4 General Purpose Regis.

ATmega328 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 Multi

ATmega48A-Microchip.pdf