Microcontroller Core: The ATmega328P is based on the AVR 8-bit RISC (Reduced Instruction Set Computer) architecture. It operates at a clock frequency of up to 20 MHz.
Flash Memory: It has 32KB of Flash memory for program storage, where you can load your embedded software.
SRAM: The IC includes 2KB of SRAM (Static Random-Access Memory) for data storage and manipulation during program execution.
EEPROM: It has 1KB of EEPROM (Electrically Erasable Programmable Read-Only Memory), which can be used for non-volatile data storage.
I/O Pins: The ATmega328P provides a variety of digital and analog I/O pins. It typically comes in a 28-pin dual in-line package (DIP) with 23 I/O pins.
Analog-to-Digital Converter (ADC): It has a 10-bit ADC with up to 8 analog input channels, allowing you to measure analog voltages with reasonable precision.
Timers and Counters: The microcontroller includes several timers and counters, which can be used for various timing and control applications.
Communication Interfaces: It supports serial communication through UART (Universal Asynchronous Receiver-Transmitter), SPI (Serial Peripheral Interface), and I2C (Inter-Integrated Circuit) interfaces, making it suitable for interfacing with other devices and sensors.
Clock Options: The ATmega328P can be configured to use an external crystal oscillator, an internal oscillator, or an external clock source, providing flexibility in clocking options.
Low Power Modes: It offers low-power sleep modes, which are useful for battery-powered and energy-efficient applications.
Programming: You can program the ATmega328P using standard programming tools and languages such as C/C++ with the Arduino IDE or AVR-GCC.
Applications: The ATmega328P is used in a wide range of applications, including robotics, home automation, IoT devices, sensor nodes, educational projects, and more.
Arduino Compatibility: The ATmega328P is the microcontroller used in the Arduino Uno board, making it one of the most popular choices for Arduino-based projects.
Package: It is available in various package types, including DIP, surface-mount, and TQFP (Thin Quad Flat Package).
