The ATmega328-PU is a popular 8-bit microcontroller from Microchip (formerly Atmel) that features 32KB of flash memory. Below is an overview of the ATmega328-PU microcontroller, highlighting its key features, specifications, package type, and typical applications:
ATmega328-PU Overview:
- Manufacturer: Microchip (formerly Atmel)
- IC Type: Microcontroller Unit (MCU)
- Architecture: 8-bit AVR
- Flash Memory: 32KB for program storage
- Package: 28-pin Dual In-Line Package (DIP)
- Operating Voltage: Typically runs at 5V
- Clock Speed: Capable of running up to 20 MHz
Key Features:
- Flash Memory: Offers 32KB of in-system programmable flash memory for storing program instructions.
- RAM: Typically includes around 2KB of SRAM for data storage and manipulation.
- EEPROM: Provides approximately 1KB of EEPROM for non-volatile data storage.
- I/O Pins: Comes with a number of I/O pins for interfacing with external components and peripherals.
- Timers/Counters: Equipped with multiple timers/counters for various timing applications.
- Communication Interfaces: Supports SPI, I2C, UART, and more communication protocols.
- Analog-to-Digital Converter (ADC): Features a 10-bit ADC for analog sensor interfacing.
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DataSheet ATMEGA328-PU PDF
Specifications:
- Operating Voltage Range: Typically operates at 1.8V to 5.5V.
- Clock Speed: Supports clock speeds up to 20 MHz for fast processing.
- Package Type: 28-pin Dual In-Line Package (DIP) for easy through-hole mounting.
- GPIO: Multiple General Purpose Input/Output pins for versatile connectivity.
- Low Power Consumption: Capable of operating in low power modes for energy-efficient applications.
- Peripherals: Includes hardware USART, SPI, and I2C interfaces for communication.
Typical Applications:
- Embedded Systems: Used in a wide range of embedded applications due to its versatility and performance.
- DIY Electronics: Popular in hobbyist projects for building custom electronics and microcontroller-based systems.
- Automation: Utilized in automation systems for control and monitoring tasks.
- IoT Devices: Suitable for Internet of Things (IoT) projects requiring microcontroller functionality.
Note:
- The ATmega328-PU is widely used in various projects ranging from simple LED blinking exercises to more complex applications like robotics and data logging systems.
- To effectively utilize the microcontroller, refer to the official datasheet, development tools like compilers, and programming environments provided by Microchip (Atmel) for seamless integration into your projects.
The ATmega328-PU microcontroller offers a robust set of features, considerable program memory, and ample connectivity options, making it suitable for a wide range of embedded projects and applications that require reliable and versatile microcontroller functionality.
