atmega328p

The ATmega328P is an 8-bit microcontroller manufactured by Atmel, now Microchip Technology. It is a popular choice for embedded systems, particularly in hobbyist and prototyping projects due to its affordability, availability, and extensive community support. The ATmega328P is based on the AVR architecture, known for its efficient instruction set and low power consumption.

Key features of the ATmega328P include 32KB of Flash memory for program storage, 2KB of SRAM for data storage, and 1KB of EEPROM for non-volatile data retention. It operates at clock speeds up to 20MHz and offers a wide range of peripherals. These include six analog-to-digital converter (ADC) channels, three timer/counters, a Universal Synchronous/Asynchronous Receiver/Transmitter (USART) for serial communication, and a Serial Peripheral Interface (SPI) bus. The microcontroller also supports the I2C communication protocol.

The ATmega328P is famously used in the Arduino Uno microcontroller board, which has significantly contributed to its widespread adoption. Its ease of use, combined with the Arduino IDE's simplified programming environment, makes it an accessible platform for beginners and experienced developers alike. The ATmega328P's small footprint and low power requirements make it suitable for battery-powered devices and various IoT applications. Its robust feature set and established ecosystem ensure its continued relevance in the embedded electronics landscape.