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Home Products Integrated Circuits (ICs)Embedded - Microcontrollers~~ATXMEGA128A1U-CU~~

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ATXMEGA128A1U-CU - Microchip Technology

Name: Microchip Technology ATXMEGA128A1U-CU
Brand: Microchip Technology
SKU: ATXMEGA128A1U-CU
Availability: InStock
Rating: 5 (6 reviews)

Manufacturer Part Number: ATXMEGA128A1U-CU

Manufacturer: Microchip Technology

Allelco Part Number: 32D-ATXMEGA128A1U-CU

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC MCU 8/16B 128KB FLASH 100CBGA

Package: 100-CBGA (9x9)

Data sheet: 1.ATXMEGA128A1U-C.pdf ...

Datasheets
ATxmega128A1U,64A1U.pdf

PCN Assembly/Origin
ATMEGA/ATXMEGA 02/Jun/2018.pdf

PCN Design/Specification
ATxmega128A1U/62A1U 30/Aug/2018.pdf Marking Chgs 11/Jul/2017.pdf

PCN Packaging
Boxes 07/Dec/2016.pdf MBB/Label Chgs 16/Nov/2018.pdf

RoHs Status: ROHS3 Compliant

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Specifications

ATXMEGA128A1U-CU Tech Specifications
Microchip Technology - ATXMEGA128A1U-CU technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATXMEGA128A1U-CU

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Voltage - Supply (Vcc/Vdd)	1.6V ~ 3.6V
Supplier Device Package	100-CBGA (9x9)
Speed	32MHz
Series	AVR® XMEGA® A1U
RAM Size	8K x 8
Program Memory Type	FLASH
Program Memory Size	128KB (64K x 16)
Peripherals	Brown-out Detect/Reset, DMA, POR, PWM, WDT
Package / Case	100-TFBGA
Package	Tray

Product Attribute	Attribute Value
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Number of I/O	78
Mounting Type	Surface Mount
EEPROM Size	2K x 8
Data Converters	A/D 16x12b; D/A 4x12b
Core Size	8/16-Bit
Core Processor	AVR
Connectivity	EBI/EMI, I²C, IrDA, SPI, UART/USART, USB
Base Product Number	ATXMEGA128

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	5A992C
HTSUS	8542.31.0001

Parts Introduction

Manufacturer Part Number

ATXMEGA128A1U-CU

Manufacturer

Microchip Technology

Introduction

Avanced RISC microcontroller for embedded applications

Product Features and Performance

32MHz AVR Core

8/16-Bit Core Size

EBI/EMI, I2C, IrDA, SPI, UART/USART, USB Connectivity

Brown-out Detect/Reset, DMA, POR, PWM, WDT Peripherals

78 I/O Pins

128KB FLASH Program Memory

2KB EEPROM

8KB RAM

Internal Oscillator

Product Advantages

High performance with low power consumption

Extensive peripheral set

Large number of I/Os

Key Technical Parameters

32MHz Speed

6V to 3.6V Supply Voltage

A/D 16x12-bit converters

D/A 4x12-bit converters

-40°C to 85°C Operating Temperature

Quality and Safety Features

Brown-out Detect/Reset

Programmable Watchdog Timer

Compatibility

EBI/EMI for external memory interface

I2C, SPI, and UART/USART for communication

Application Areas

Embedded systems

Industrial controls

Consumer electronics

Medical devices

Internet of Things (IoT)

Product Lifecycle

Obsolete Status

Check for replacement or upgrade options

Several Key Reasons to Choose This Product

Robust set of peripherals for versatile applications

Supports advanced communication protocols

Operates over an extended temperature range

Low power consumption for battery-powered devices

Large memory capacity for complex programs

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATXMEGA128A1U-CU

Product Attribute
Part Number	ATXMEGA128A1U-C7UR	ATXMEGA128A1U-CUR	ATXMEGA128A1U-CNR	ATXMEGA128A1U-AU
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Atmel
Core Size	-	-	-	-
Oscillator Type	-	-	-	-
Program Memory Type	-	-	-	-
RAM Size	-	-	-	-
Speed	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Voltage - Supply (Vcc/Vdd)	-	-	-	-
Base Product Number	-	DAC34H84	MAX500	ADS62P42
Program Memory Size	-	-	-	-
Series	-	-	-	-
Data Converters	-	-	-	-
Number of I/O	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
EEPROM Size	-	-	-	-
Peripherals	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Core Processor	-	-	-	-
Connectivity	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)

ATXMEGA128A1U-CU Datasheet PDF

Download ATXMEGA128A1U-CU pdf datasheets and Microchip Technology documentation for ATXMEGA128A1U-CU - Microchip Technology.

Datasheets: ATxmega128A1U,64A1U.pdf
PCN Assembly/Origin: ATMEGA/ATXMEGA 02/Jun/2018.pdf
PCN Design/Specification: ATxmega128A1U/62A1U 30/Aug/2018.pdf Marking Chgs 11/Jul/2017.pdf
PCN Packaging: Boxes 07/Dec/2016.pdf MBB/Label Chgs 16/Nov/2018.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

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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

Use your express account for shipment if you have one.
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

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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.

Payment Support

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

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