ATMEGA328PB-AUR

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ATMEGA328PB-AUR

+BOM

IC MCU 8BIT 32KB FLASH 32TQFP

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Specifications

Attribute Value
Package Tape & Reel (TR),Cut Tape (CT)
Series AVR® ATmega, Functional Safety (FuSa)
ProductStatus Active
CoreProcessor AVR
CoreSize 8-Bit
Speed 20MHz
Connectivity I²C, SPI, UART/USART
Peripherals Brown-out Detect/Reset, POR, PWM, WDT
NumberofI/O 27
ProgramMemorySize 32KB (16K x 16)
ProgramMemoryType FLASH
EEPROMSize 1K x 8
RAMSize 2K x 8
Voltage-Supply(Vcc/Vdd) 1.8V ~ 5.5V
DataConverters A/D 8x10b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 32-TQFP

Overview

Description

The ATMEGA328PB-AUR is a microcontroller from Microchip Technology, part of the AVR family. It is an enhanced version of the popular ATmega328P, commonly used in Arduino boards. This microcontroller features an 8-bit AVR RISC architecture with 32KB of flash memory, 2KB SRAM, and 1KB EEPROM. It operates at up to 20MHz with a voltage range of 1.8V to 5.5V.
Notable enhancements include the addition of more I/O pins, dual USARTs, extra timers/counters, and a second SPI/I²C interface, making it suitable for more complex applications. It supports up to 23 GPIO pins and offers advanced low-power modes, enabling efficient power management. The device is packaged in a 32-pin TQFP or QFN package.
The ATMEGA328PB-AUR is widely used in embedded systems, IoT applications, and hobbyist projects due to its balance of performance, power efficiency, and ease of programming. Its compatibility with Arduino IDE and extensive community support further enhance its appeal for both beginners and experienced developers.

Equivalent

The ATMEGA328PB-AUR is an AVR microcontroller by Microchip. Equivalent products include the ATMEGA328P series, as well as similar microcontrollers like the ATMEGA88 and ATMEGA168, which offer fewer resources but are similar in architecture. For ARM Cortex-M0+ alternatives, consider Microchip's SAM D21 series or STMicroelectronics' STM32F0 series, which offer modern architectures and additional features, although they may require different software tools and design considerations.

Features

The ATMEGA328PB-AUR is an 8-bit microcontroller from Microchip Technology, commonly used for embedded applications. It features an AVR architecture and provides 32KB of Flash memory, 2KB of SRAM, and 1KB of EEPROM for data storage. Operating at up to 20 MHz, it is suitable for a variety of real-time applications.
Key features include:
- I/O Ports: 23 general-purpose I/O pins for interfacing with external components.
- Timers: Two 8-bit and one 16-bit timer/counter for precise timing operations.
- Analog: 8-channel 10-bit ADC for analog-to-digital conversion.
- Communication: Supports USART, SPI, and I2C (TWI) for serial communication.
- PWM: Six PWM channels for controlling devices like motors.
- Watchdog Timer: Helps in system recovery from software faults.
- Power-Saving Modes: Multiple sleep modes to reduce power consumption.
- Package: Available in 32-pin TQFP package.
The microcontroller is ideal for applications requiring a balance of performance and power efficiency, such as home automation, industrial controls, and consumer electronics.

Pinout

The ATMEGA328PB-AUR is a microcontroller from Microchip Technology's AVR family. It comes in a 32-pin TQFP (Thin Quad Flat Pack) package. The ATmega328PB is an 8-bit microcontroller that features:
- 32 General Purpose I/O Lines: These pins can be configured as digital input/output.
- ADC: It includes a 10-bit ADC with 8 multiplexed channels for analog-to-digital conversions.
- USART, SPI, and I2C: Provides communication interfaces for serial data transmission.
- Timers: Features three timers—two 8-bit and one 16-bit timer/counter.
- PWM: Pulse Width Modulation support for controlling devices like motors.
- EEPROM: 1 KB of EEPROM for non-volatile storage.
- Flash Memory: 32 KB of in-system programmable flash.
- SRAM: 2 KB of internal SRAM.
- External Interrupts: Support for handling external events through interrupts.
Its versatility makes it suitable for various applications, such as embedded systems, consumer electronics, and automotive applications. The microcontroller is commonly used in Arduino boards, where it is appreciated for its balance of power and simplicity.

Manufacturer

The ATMEGA328PB-AUR is manufactured by Microchip Technology Inc. This company is a leading provider in the field of microcontroller and analog semiconductors. Microchip Technology is known for designing and producing a wide range of microcontrollers, memory devices, analog devices, and other integrated circuits. The company plays a significant role in various industries, providing components that are crucial for the development of consumer electronics, automotive systems, industrial applications, and communication devices. Microchip Technology focuses on offering reliable, high-performance solutions that support a wide array of applications, enhancing functionality and efficiency in electronic devices.

Application

The ATMEGA328PB-AUR is commonly used in applications such as embedded systems, consumer electronics, and industrial automation. It is ideal for small-scale projects like home automation devices, sensor networks, and IoT applications due to its low power consumption and extensive peripheral set. Additionally, it finds use in robotics, automotive systems, and educational kits, offering flexibility for prototyping and custom designs. The microcontroller's compatibility with Arduino platforms makes it popular in DIY electronics and hobbyist projects. Its robust features, including multiple communication interfaces and ADC channels, make it suitable for applications requiring precise control and data acquisition.

Package

The ATMEGA328PB-AUR is a microcontroller from Microchip Technology. It comes in a TQFP (Thin Quad Flat Package) type, specifically a 32-pin TQFP package. The "AUR" in the part number indicates it is a variant suitable for use in lead-free and reflow soldering processes, and the 'R' denotes it is shipped in a reel.

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