The ATMEGA328PB-AUR is an 8-bit AVR microcontroller from Microchip Technology, designed for embedded systems, electronics development, automation, IoT devices, and control applications. With a maximum operating frequency of 20 MHz, 32 KB program memory, 2 KB RAM, and 27 programmable I/O pins, this MCU provides a reliable and flexible platform for a wide range of embedded applications.

The microcontroller features I2C, SPI, and USART communication interfaces, along with an integrated 10-bit ADC with 8 channels, making it suitable for applications that require digital communication and analog signal monitoring.

Its 32-pin TQFP package and surface-mount design make it suitable for compact PCB designs and space-constrained embedded systems.

Key Features

• 8-bit AVR microcontroller
• AVR ATmega328 series
• Maximum operating frequency of 20 MHz
• 32 KB program memory
• 2 KB RAM
• 27 programmable I/O pins
• 8-channel, 10-bit ADC
• Supports I2C, SPI, and USART interfaces
• Wide supply voltage range of 1.8V to 5.5V
• 32-pin TQFP package
• Surface-mount package for PCB integration
• Operating temperature range of -40°C to +85°C
• Suitable for embedded, IoT, automation, and control applications

Communication Interfaces

The ATMEGA328PB-AUR provides multiple communication options for connecting with sensors, peripherals, modules, and other controllers:

• I2C: Suitable for connecting multiple sensors and peripheral devices using a two-wire interface.
• SPI: Provides high-speed serial communication with displays, memory devices, sensors, and other peripherals.
• USART: Supports serial communication for connecting with external modules and devices.

Applications

The ATMEGA328PB-AUR can be used in a wide range of embedded and electronic applications, including:

• IoT and smart device development
• Embedded control systems
• Industrial automation
• Sensor-based monitoring systems
• Consumer electronics
• Robotics and automation projects
• Data acquisition systems
• Digital control applications
• PCB-based electronic products
• Prototype and development boards

Why Choose ATMEGA328PB-AUR?

With its 20 MHz operating frequency, 32 KB program memory, 27 I/O pins, integrated ADC, and multiple serial communication interfaces, the ATMEGA328PB-AUR offers a practical solution for embedded applications requiring reliable processing and peripheral connectivity.