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Home Products Integrated Circuits (ICs)Embedded - Microcontrollers~~AT32UC3A3256-ALUR~~

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AT32UC3A3256-ALUR - Microchip Technology

Manufacturer Part Number: AT32UC3A3256-ALUR

Manufacturer: Microchip Technology

Allelco Part Number: 32D-AT32UC3A3256-ALUR

ECAD Model

Parts Description: IC MCU 32BIT 256KB FLASH 144LQFP

Detailed Description

Package: 144-LQFP

Data sheet: AT32UC3Azzz(S) Complete.pdf
AT32UC3Azzz(S) Summary.pdf

RoHs Status: ROHS3 Compliant

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In stock: 2563

Specifications

AT32UC3A3256-ALUR Tech Specifications
Microchip Technology - AT32UC3A3256-ALUR technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - AT32UC3A3256-ALUR

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Voltage - Supply (Vcc/Vdd)	1.75V ~ 3.6V
Supplier Device Package	144-LQFP (20x20)
Speed	66MHz
Series	AVR®32 UC3 A3
RAM Size	128K x 8
Program Memory Type	FLASH
Program Memory Size	256KB (256K x 8)
Peripherals	Brown-out Detect/Reset, DMA, POR, 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	110
Mounting Type	Surface Mount
EEPROM Size	-
Data Converters	A/D 8x10b
Core Size	32-Bit Single-Core
Core Processor	AVR
Connectivity	EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG
Base Product Number	AT32UC3

Parts Introduction

Manufacturer Part Number

AT32UC3A3256-ALUR

Manufacturer

Microchip Technology

Introduction

High-performance, 32-bit AVR microcontroller

Product Features and Performance

32-bit Single-Core AVR processor

66MHz maximum speed

Embedded Microcontroller

Multi-purpose DMA controller

Internal Oscillator

Product Advantages

High number of I/O pins (110)

Large program memory size (256KB)

Sufficient RAM size for complex tasks (128KB)

Flexible voltage supply range (1.75V to 3.6V)

Key Technical Parameters

Speed: 66MHz

Program Memory Size: 256KB

RAM Size: 128KB

Voltage Supply: 1.75V ~ 3.6V

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Brown-out Detect/Reset

Power-on Reset (POR)

Watchdog Timer (WDT)

Compatibility

USB OTG

EBI/EMI

I2C, SPI, SSC, UART/USART

Application Areas

Industrial control systems

Medical devices

Advanced digital consumer electronics

Product Lifecycle

Status: Active

Not nearing discontinuation

Availability of replacements or upgrades

Several Key Reasons to Choose This Product

Robust architecture for demanding applications

Extensive connectivity options for system integration

High data bandwidth with advanced peripheral set

Efficient power management for battery-operated devices

Suitable for high-performance embedded system designs

Microchip's reputation for quality and long-term availability

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology AT32UC3A3256-ALUR

Product Attribute
Part Number	AT32UC3A3256-ALUR	AT32UC3A1512-AUR	AT32UC3A3128-ALUT	AT32UC3A3128-CTUT
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Atmel
Series	AVR®32 UC3 A3	AVR®32 UC3 A1	AVR®32 UC3 A3	AVR®32 UC3 A3
Supplier Device Package	144-LQFP (20x20)	100-TQFP (14x14)	144-LQFP (20x20)	144-FFBGA (11x11)
Package	Tape & Reel (TR)	Tape & Reel (TR)	Tray	Bulk
Core Processor	AVR	AVR	AVR	AVR
Voltage - Supply (Vcc/Vdd)	1.75V ~ 3.6V	1.65V ~ 3.6V	1.75V ~ 3.6V	1.75V ~ 3.6V
Package / Case	144-LQFP	100-TQFP	144-LQFP	144-TFBGA
Program Memory Size	256KB (256K x 8)	512KB (512K x 8)	128KB (128K x 8)	128KB (128K x 8)
EEPROM Size	-	-	-	-
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
RAM Size	128K x 8	64K x 8	128K x 8	128K x 8
Connectivity	EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG	Ethernet, I²C, SPI, SSC, UART/USART, USB OTG	EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG	EBI/EMI, I²C, IrDA, Memory Card, SPI, SSC, UART/USART, USB OTG
Oscillator Type	Internal	Internal	Internal	Internal
Number of I/O	110	69	110	110
Speed	66MHz	66MHz	66MHz	66MHz
Core Size	32-Bit Single-Core	32-Bit Single-Core	32-Bit Single-Core	32-Bit Single-Core
Base Product Number	AT32UC3	AT32UC3	AT32UC3	AT32UC3
Peripherals	Brown-out Detect/Reset, DMA, POR, WDT	Brown-out Detect/Reset, POR, PWM, WDT	Brown-out Detect/Reset, DMA, POR, WDT	Brown-out Detect/Reset, DMA, POR, WDT
Program Memory Type	FLASH	FLASH	FLASH	FLASH
Operating Temperature	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)	-40°C ~ 85°C (TA)
Data Converters	A/D 8x10b	A/D 8x10b	A/D 8x10b	A/D 8x10b

AT32UC3A3256-ALUR Datasheet PDF

Download AT32UC3A3256-ALUR pdf datasheets and Microchip Technology documentation for AT32UC3A3256-ALUR - Microchip Technology.

PCN Packaging: MBB/Label Chgs 16/Nov/2018.pdf Boxes 07/Dec/2016.pdf
PCN Design/Specification: Cylindrical Battery Holders.pdf
PCN Assembly/Origin: 2.73KHz.pdf
HTML Datasheet: AT32UC3Azzz(S) Complete.pdf AT32UC3Azzz(S) Summary.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.

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Delivery Method

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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
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	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.

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