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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATMEGA328P-AU
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ATMEGA328P-AU - Microchip Technology

Manufacturer Part Number
ATMEGA328P-AU
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATMEGA328P-AU
ECAD Model
Parts Description
IC MCU 8BIT 32KB FLASH 32TQFP
Package
32-TQFP
Data sheet
ATmega48A/PA/88A/PA/168A/PA/328/P.pdf
RoHs Status
ROHS3 Compliant
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Specifications

ATMEGA328P-AU Tech Specifications
Microchip Technology - ATMEGA328P-AU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATMEGA328P-AU

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V  
Supplier Device Package 32-TQFP (7x7)  
Speed 20MHz  
Series AVR® ATmega  
RAM Size 2K x 8  
Program Memory Type FLASH  
Program Memory Size 32KB (16K x 16)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 32-TQFP  
Package Tray  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 23  
Mounting Type Surface Mount  
EEPROM Size 1K x 8  
Data Converters A/D 8x10b  
Core Size 8-Bit  
Core Processor AVR  
Connectivity I²C, SPI, UART/USART  
Base Product Number ATMEGA328  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.31.0001

Parts Introduction

Manufacturer Part Number

ATMEGA328P-AU

Manufacturer

Microchip Technology

Introduction

The ATMEGA328P-AU is a high-performance microcontroller from the AVR ATmega series, specially designed for embedded applications requiring high-speed data processing and flexible connectivity.

Product Features and Performance

Core processor: AVR 8-Bit

Maximum clock speed: 20MHz

Connectivity options: I2C, SPI, UART/USART

Peripherals: Brown-out Detect/Reset, Power-on Reset, Pulse Width Modulation, Watchdog Timer

Internal oscillator

Number of I/O: 23

Program memory: 32KB FLASH

EEPROM: 1KB

RAM: 2KB

Operating Temperature: -40°C to 85°C

Product Advantages

Flexible voltage range (1.8V to 5.5V)

Extensive connectivity for peripheral interfacing

Robust safety features including brown-out detect/reset

High reliability and extended operating temperature range

Key Technical Parameters

Core Size: 8-Bit

Speed: 20MHz

Program Memory Type: FLASH

EEPROM Size: 1K x 8

RAM Size: 2K x 8

Voltage Supply: 1.8V to 5.5V

Data Converters: A/D 8x10b

Quality and Safety Features

Watchdog Timer to prevent system failures

Brown-out Detect/Reset for voltage fluctuation protection

Operating temperature capability from -40°C to 85°C ensures reliability in extreme conditions

Compatibility

Compatible with a broad range of voltage supply and various communication protocols helpful in embedded system applications.

Application Areas

Consumer Electronics

Automotive systems

Industrial automation

Internet of Things (IoT) devices

Product Lifecycle

Status: Active

This product is currently active with ongoing manufacturer support and no known plans for discontinuation.

Several Key Reasons to Choose This Product

High-speed 20MHz AVR core ensuring swift data processing

Comprehensive connectivity supports complex peripherals and systems integration

Low power consumption and wide range voltage compatibility make it suitable for various embedded applications.

Built-in safety features enhance system reliability.

Active product with robust manufacturer support.

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATMEGA328P-AU

Product Attribute ATMEGA328P-AU ATMEGA328P-AN ATMEGA328P-MN ATMEGA328P-MUR
Part Number ATMEGA328P-AU ATMEGA328P-AN ATMEGA328P-MN ATMEGA328P-MUR
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Supplier Device Package 32-TQFP (7x7) 32-TQFP (7x7) 32-VQFN (5x5) 32-VQFN (5x5)
Package / Case 32-TQFP 32-TQFP 32-VFQFN Exposed Pad 32-VFQFN Exposed Pad
Program Memory Type FLASH FLASH FLASH FLASH
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
Series AVR® ATmega AVR® ATmega AVR® ATmega AVR® ATmega
Program Memory Size 32KB (16K x 16) 32KB (16K x 16) 32KB (16K x 16) 32KB (16K x 16)
EEPROM Size 1K x 8 1K x 8 1K x 8 1K x 8
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
RAM Size 2K x 8 2K x 8 2K x 8 2K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V 1.8V ~ 5.5V
Oscillator Type Internal Internal Internal Internal
Data Converters A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 105°C (TA) -40°C ~ 105°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Number of I/O 23 23 23 23
Core Processor AVR AVR AVR AVR
Base Product Number ATMEGA328 ATMEGA328 ATMEGA328 ATMEGA328
Speed 20MHz 20MHz 20MHz 20MHz
Connectivity I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART
Package Tray Tray Tray Tape & Reel (TR)

ATMEGA328P-AU Datasheet PDF

Download ATMEGA328P-AU pdf datasheets and Microchip Technology documentation for ATMEGA328P-AU - Microchip Technology.

Datasheets
ATmega48A/PA/88A/PA/168A/PA/328/P.pdf
PCN Packaging
Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf Boxes 07/Dec/2016.pdf
PCN Design/Specification
ATmega48A/PA/88A/PA/168A/PA/328/P 10/Sep/2020.pdf Cancelled 21/Jun/2016.pdf
Errata
ATmega48A/PA/88A/PA/168A/PA/328/P Errata.pdf
PCN Assembly/Origin
Bond Wire 19/Mar/2021.pdf

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ATMEGA328P-AU Image

ATMEGA328P-AU

Microchip Technology
32D-ATMEGA328P-AU

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