The ATmega328P-AU is a microcontroller from the Atmel AVR 8-bit RISC-based MCU (Microcontroller Unit) family. It is widely used and popular for various embedded applications due to its rich feature set and ease of use.
Here are some key features of the ATmega328P-AU:
1. Microcontroller Core: It is based on the AVR 8-bit RISC core running at a maximum frequency of 20 MHz. The AVR core provides efficient performance and low power consumption.
2. Flash Memory: It has 32 KB of in-system programmable flash memory for storing program code and application data.
3. RAM: The ATmega328P-AU features 2 KB of SRAM (static random-access memory) for data storage and processing.
4. EEPROM: It includes 1 KB of EEPROM (electrically erasable programmable read-only memory) for non-volatile data storage.
5. Peripherals: The microcontroller includes a wide range of peripherals, including UARTs (USARTs), SPI interfaces, I2C interfaces, timers, ADCs (analog-to-digital converters), PWM (pulse-width modulation) controllers, and more.
6. I/O Pins: The ATmega328P-AU has a total of 23 I/O pins, which can be configured as inputs or outputs to interface with external devices or sensors.
7. Operating Voltage: It operates at a voltage range of 1.8V to 5.5V, making it compatible with various power supply configurations.
8. Package Type: The "AU" in the part number indicates the package type, which in this case is a surface-mount TQFP (Thin Quad Flat Package) with 32 leads.
The ATmega328P-AU is commonly used in various applications such as consumer electronics, home automation, robotics, and educational projects. It offers a good balance of performance, features, and ease of use, making it a popular choice among embedded developers.
For detailed information on electrical characteristics, pin configurations, programming, and other specifications, it is recommended to refer to the datasheet and technical documentation provided by Microchip Technology for the ATmega328P-AU.
