ATMEGA328PB-MU

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ATMEGA328PB-MU

IC MCU 8BIT 32KB FLASH 32VFQFN

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Specifications

Package Tray
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-VFQFN Exposed Pad

Overview

Description

The ATmega328PB-MU is a microcontroller from Atmel's AVR family, widely used in embedded systems and prototyping. It is an enhanced version of the popular ATmega328, featuring a 16 MHz clock speed, 32 KB of flash memory, 2 KB of SRAM, and 1 KB of EEPROM. The device supports a wide range of interfaces, including UART, SPI, and I2C, making it versatile for various applications.
Key features include 23 programmable I/O pins, built-in analog-to-digital converters (ADC), and a robust set of timers. The ATmega328PB-MU operates at voltages from 1.8V to 5.5V, enabling it to be used in battery-powered projects. It also supports low-power modes, making it suitable for energy-efficient designs.
This microcontroller is commonly found in Arduino boards, facilitating easy programming and community support. The ATmega328PB-MU is ideal for hobbyists and professionals looking to create a range of applications, from simple projects to complex systems.

Features

The ATmega328PB-MU is a low-power 8-bit AVR microcontroller from Microchip Technology, featuring:
- Architecture: 8-bit AVR RISC architecture with 32 general-purpose registers.
- Flash Memory: 32 KB of in-system programmable Flash memory.
- SRAM: 2 KB of SRAM for data storage.
- EEPROM: 1 KB of EEPROM for non-volatile data.
- Clock Speed: Operates at up to 20 MHz.
- I/O Ports: 23 programmable I/O lines.
- Timers: Two 8-bit and one 16-bit Timer/Counters with PWM capabilities.
- ADC: 10-bit Analog-to-Digital Converter with up to 8 channels.
- Communication Interfaces: Supports USART, SPI, and I2C interfaces.
- Interrupts: 24 external interrupts for responsive operation.
- Low Power: Multiple sleep modes for energy efficiency.
The ATmega328PB-MU is widely used in various applications, including embedded systems and consumer electronics, thanks to its versatility and performance.

Package

The ATMEGA328PB-MU is packaged in a 32-pin QFN (Quad Flat No-lead) format. This compact package type allows for a smaller footprint and is suitable for surface mounting on PCBs, making it ideal for space-constrained applications.

Pinout

The ATmega328PB-MU is a 28-pin microcontroller from the Atmel/Microchip AVR family. It features:
- Pin Count: 28 pins
- Functionality:
- 23 programmable I/O pins
- 6 analog input pins (ADC channels)
- 2 external interrupt pins
- 1 reset pin
- 1 crystal oscillator pin (XTAL)
- 1 power supply pin (VCC)
- 1 ground pin (GND)
The ATmega328PB-MU supports various communication interfaces, including USART, SPI, and I2C. It also includes features such as 32 general-purpose registers, 32 working registers, and a 10-bit ADC. The microcontroller operates at a maximum clock speed of 20 MHz and can be powered by a voltage range of 1.8V to 5.5V. It is commonly found in applications like embedded systems and Arduino platforms.

Manufacturer

The ATMEGA328PB-MU is manufactured by Microchip Technology Inc., an American semiconductor company. Microchip specializes in microcontrollers, memory, and analog semiconductors, offering a wide range of products for various applications, including automotive, industrial, consumer, and communications. Founded in 1989 and headquartered in Chandler, Arizona, Microchip is known for its commitment to providing innovative and reliable products, along with extensive support and development tools for engineers and developers in the electronics industry. The ATMEGA328PB-MU is particularly popular in embedded systems and is commonly used in hobbyist projects, such as those involving Arduino platforms.

Application

The ATmega328PB-MU is widely used in embedded systems for applications including home automation, robotics, sensor monitoring, and IoT devices. Its features support motor control, data logging, and user interface development. Commonly found in Arduino projects, it is ideal for educational purposes, prototyping, and small-scale production due to its low power consumption and versatility.

Equivalent

The ATMEGA328PB-MU is functionally similar to the ATMEGA328P, ATMEGA168P, and ATMEGA88P microcontrollers. These chips share the same architecture and are compatible in many applications, though differences in memory size and features may exist. For drop-in replacements, consider the ATMEGA32U4 for added USB support. Always check specific datasheets for detailed specifications and compatibility.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

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