ATMEGA328-AU is a microcontroller IC (integrated circuit) from the Atmel AVR family. It is a popular and widely used component due to its versatility and numerous important features. Here's an overview and key features of the ATMEGA328-AU microcontroller:
1. Architecture: ATMEGA328-AU is based on the 8-bit RISC (Reduced Instruction Set Computing) architecture. It incorporates the AVR enhanced Harvard architecture, allowing separate data and program memories, providing faster execution.
2. CPU and Clock Speed: The microcontroller operates at a high-speed clock frequency of up to 20 MHz, enabling quick and efficient program execution. It features an advanced CPU with a rich instruction set that enables powerful instructions for efficient control.
3. Memory: ATMEGA328-AU provides generous memory resources including 32KB of Flash program memory, where the user's code is stored, allowing for substantial program size. Additionally, it has 2KB of SRAM (Static Random-Access Memory) that provides fast read and write access for variables and data manipulation.
4. I/O Pins: This microcontroller boasts 23 programmable I/O pins that can be configured as digital input or output. These pins provide flexibility for connecting and controlling various external devices, sensors, and actuators.
5. Communication Interfaces: ATMEGA328-AU offers multiple communication interfaces making it suitable for a wide range of applications
