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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersAT32UC3A0256-ALUR
AT32UC3A0256-ALUR Image
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AT32UC3A0256-ALUR - Microchip Technology

Manufacturer Part Number
AT32UC3A0256-ALUR
Manufacturer
Microchip Technology
Allelco Part Number
32D-AT32UC3A0256-ALUR
ECAD Model
Parts Description
IC MCU 32BIT 256KB FLASH 144LQFP
Detailed Description
Package
144-LQFP
Data sheet
AT32UC3A Datasheet.pdf
AT32UC3A Summary.pdf
RoHs Status
ROHS3 Compliant
In stock: 2911

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Specifications

AT32UC3A0256-ALUR Tech Specifications
Microchip Technology - AT32UC3A0256-ALUR technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT32UC3A0256-ALUR

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V  
Supplier Device Package 144-LQFP (20x20)  
Speed 66MHz  
Series AVR®32 UC3 A0  
RAM Size 64K x 8  
Program Memory Type FLASH  
Program Memory Size 256KB (256K x 8)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 144-LQFP  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 109  
Mounting Type Surface Mount  
EEPROM Size -  
Data Converters A/D 8x10b  
Core Size 32-Bit Single-Core  
Core Processor AVR  
Connectivity EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG  
Base Product Number AT32UC3  

Parts Introduction

Manufacturer Part Number

AT32UC3A0256-ALUR

Manufacturer

Microchip Technology

Introduction

The AT32UC3A0256-ALUR is a 32-bit single-core AVR microcontroller designed for high-performance applications that require low power consumption. It is part of the AVR32 UC3 A0 series, targeting embedded system applications.

Product Features and Performance

Core: 32-Bit AVR Single-Core

Speed: 66MHz

Connectivity: EBI/EMI, Ethernet, I2C, SPI, SSC, UART/USART, USB OTG

Peripherals: Brown-out Detect/Reset, Power-on Reset (POR), Pulse Width Modulation (PWM), Watchdog Timer (WDT)

Program Memory Size: 256KB FLASH

RAM Size: 64KB

Operating Temperature Range: -40°C ~ 85°C

Integrated Internal Oscillator

Product Advantages

High-speed 32-bit performance for complex algorithms and control processes

Extensive connectivity options for versatile interfacing with other components

Integrated peripherals reduce the need for external components, lowering system cost and complexity

Wide operating temperature range suitable for industrial applications

Large program memory and RAM for sophisticated applications

Key Technical Parameters

Program Memory: 256KB FLASH

RAM: 64KB

Speed: 66MHz

Number of I/O: 109

Voltage Supply: 1.65V ~ 3.6V

Data Converters: A/D 8x10b

Package: 144-LQFP (20x20)

Quality and Safety Features

Includes brown-out detect/reset and power-on reset for reliable operation under fluctuating power conditions

Watchdog Timer for system recovery in abnormal conditions

Compatibility

Compatible with various communication protocols and interfaces, ensuring ease of integration into existing systems.

Application Areas

Industrial Control

Automotive Systems

IoT Devices

Smart Home Applications

Embedded Systems

Product Lifecycle

Status: Active

This product is not nearing discontinuation, and there are options for replacements or upgrades available within the AVR32 UC3 series.

Several Key Reasons to Choose This Product

High performance and low power consumption for energy-efficient applications

Extensive connectivity options for flexible system design

Robust safety features for reliable operation

Suited for a wide range of applications from automotive to IoT

Active product lifecycle status ensures long-term availability and support

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT32UC3A0256-ALUR

Product Attribute AT32UC3A0256-ALUR AT32UC3A0128-CTUT AT32UC3A0256-ALUR AT32UC3A0128-CTUR
Part Number AT32UC3A0256-ALUR AT32UC3A0128-CTUT AT32UC3A0256-ALUR AT32UC3A0128-CTUR
Manufacturer Microchip Technology Atmel Atmel Microchip Technology
Base Product Number AT32UC3 AT32UC3 AT32UC3 AT32UC3
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Program Memory Type FLASH FLASH FLASH FLASH
Voltage - Supply (Vcc/Vdd) 1.65V ~ 3.6V 1.65V ~ 3.6V 1.65V ~ 3.6V 1.65V ~ 3.6V
Number of I/O 109 109 109 109
Package Tape & Reel (TR) Bulk Bulk Tape & Reel (TR)
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Speed 66MHz 66MHz 66MHz 66MHz
RAM Size 64K x 8 32K x 8 64K x 8 32K x 8
Core Size 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core
EEPROM Size - - - -
Program Memory Size 256KB (256K x 8) 128KB (128K x 8) 256KB (256K x 8) 128KB (128K x 8)
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
Package / Case 144-LQFP 144-TFBGA 144-LQFP 144-TFBGA
Data Converters A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b
Core Processor AVR AVR AVR AVR
Connectivity EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG EBI/EMI, Ethernet, I²C, SPI, SSC, UART/USART, USB OTG
Series AVR®32 UC3 A0 AVR®32 UC3 A0 AVR®32 UC3 A0 AVR®32 UC3 A0
Supplier Device Package 144-LQFP (20x20) 144-FFBGA (11x11) 144-LQFP (20x20) 144-FFBGA (11x11)
Oscillator Type Internal Internal Internal Internal

AT32UC3A0256-ALUR Datasheet PDF

Download AT32UC3A0256-ALUR pdf datasheets and Microchip Technology documentation for AT32UC3A0256-ALUR - Microchip Technology.

Datasheets
AT32UC3A Datasheet.pdf AT32UC3A Summary.pdf
PCN Packaging
Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf Tape and Reel Label Update 10/Feb/2015.pdf
PCN Design/Specification
Marking Chgs 11/Jul/2017.pdf
PCN Assembly/Origin
AT32UC3Axxx/AT32UC3Cxxx 09/Nov/2021.pdf

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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AT32UC3A0256-ALUR

Microchip Technology
32D-AT32UC3A0256-ALUR

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