ATXMEGA128A4U-AU
The compact TQFP44 package makes the ATXMEGA128A4U-AU suitable for space-constrained applications
Inventory:4,599
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Part Number : ATXMEGA128A4U-AU
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Package/Case : TQFP-44
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Manufacturer : MICROCHIP
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Components Classification : Microcontrollers
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Datesheet : ATXMEGA128A4U-AU DataSheet (PDF)
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Series : ATXMEGA128
Overview of ATXMEGA128A4U-AU
The ATXMEGA128A4U-AU is a microcontroller optimized for high-speed operations, low-voltage consumption, and efficient data transfer. It provides excellent performance for various applications that require analog and digital signal switching.
Pinout
The ATXMEGA128A4U-AU pinout refers to the configuration and function of each pin in its 44-pin TQFP package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the ATXMEGA128A4U-AU has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by Microchip Technology to get accurate information regarding each pin's function and electrical characteristics.
Features
- Fully scalable architecture with 128KB flash memory: This feature enables efficient data storage and processing.
- Four-channel DMA controller for efficient data transfer: This feature allows for fast and reliable data transfer between peripherals.
- EIGHT analog input channels, TWO analog output channels: This feature provides flexibility in reading and writing analog signals.
- Nine 8-bit timers with capture/compare modes: This feature enables precise timing and event detection.
- Faster execution speed: This feature improves the overall performance of the microcontroller.
- 64KB flash memory, 4KB RAM: This feature provides sufficient storage for program data and temporary variables.
- TWO UARTs, ONE SPI interface, and TWO timers/counters: This feature enables communication with external devices and precise timing control.
- Two-channel DMA controller for efficient data transfer: This feature allows for fast and reliable data transfer between peripherals.
- Nine timers/counters with capture/compare modes: This feature enables precise timing and event detection.
- Sixteen GPIO pins with high-speed mode: This feature provides flexibility in controlling digital signals.
- TWO UARTs, ONE SPI interface, and TWO 16-bit timers: This feature enables communication with external devices and precise timing control.
- Low power consumption mode: This feature reduces power consumption for battery-powered or energy-efficient applications.
- 8-bit ATxmega AVR microcontroller: This feature provides a scalable architecture for various applications.
- EIGHT GPIO pins with analog output: This feature provides flexibility in controlling digital signals and generating analog outputs.
- Six 16-bit timers with capture and compare: This feature enables precise timing and event detection.
Applications
- Industrial control systems: The ATXMEGA128A4U-AU's high-speed operations, low-voltage consumption, and efficient data transfer make it suitable for industrial control systems that require precise timing and event detection.
- Aerospace and defense applications: The microcontroller's scalable architecture, low power consumption mode, and precise timing capabilities make it suitable for aerospace and defense applications that require high-performance processing and energy efficiency.
- Medical devices: The ATXMEGA128A4U-AU's analog input/output capabilities, precise timing, and efficient data transfer make it suitable for medical devices that require accurate signal processing and event detection.
Advantages and Disadvantages
Advantages: The ATXMEGA128A4U-AU's high-speed operations, low-voltage consumption, and efficient data transfer make it suitable for various applications that require precise timing and event detection. Its scalable architecture also enables flexibility in designing systems.
Disadvantages: The microcontroller's complex architecture may require additional programming effort to optimize its performance. Additionally, its high-speed operations may generate heat, which can be a concern in certain applications.
Equivalents
For similar functionalities, consider these alternatives to the ATXMEGA128A4U-AU:
- ATmega128A: This microcontroller offers similar features and performance to the ATXMEGA128A4U-AU but with a different package type.
- STM32F103: This microcontroller provides similar processing capabilities and analog input/output capabilities as the ATXMEGA128A4U-AU but with a different architecture.
- PIC18F4520: This microcontroller offers similar features and performance to the ATXMEGA128A4U-AU but with a different package type and architecture.
Frequently Asked Questions
Q: What is the maximum clock speed of the ATXMEGA128A4U-AU?
A: The maximum clock speed of the ATXMEGA128A4U-AU is 16 MHz.
Q: How much flash memory does the ATXMEGA128A4U-AU have?
A: The ATXMEGA128A4U-AU has 128KB of flash memory.
Q: What is the power consumption of the ATXMEGA128A4U-AU in sleep mode?
A: The power consumption of the ATXMEGA128A4U-AU in sleep mode is approximately 1 μA.
Q: Can the ATXMEGA128A4U-AU be used for wireless communication applications?
A: Yes, the ATXMEGA128A4U-AU can be used for wireless communication applications that require precise timing and event detection.
Q: Is the ATXMEGA128A4U-AU compatible with the AVR microcontroller family?
A: Yes, the ATXMEGA128A4U-AU is a member of the AVR microcontroller family and is compatible with other AVR microcontrollers.

Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
Program Memory Size (KB) | 128 | RAM (bytes) | 8 |
Data EEPROM (bytes) | 2048 | Pin Count | 44 |
Operation Voltage Max.(V) | 3.6 | Operation Voltage Min.(V) | 1.6 |
Timers | 0 x 8-bit - 0 x 16-bit | Max ADC Resolution (bits) | 12 |
ADC Channels | 12 | Zero Cross Detect | No |
Number of Comparators | 2 | SPI | 7 -SPI |
I2C | 2 -I2C | Stand alone PWM | 16 |
Low Power | Yes | Numerically Controlled Oscillator (NCO) | 0 |
Data Signal Modulator (DSM) | 0 |
Warranty & Returns
Warranty, Returns, and Additional Information
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QA & Return Policy ?
Parts Quality Guarantee: 365 days
Returns for refund: within 90 days
Returns for Exchange: within 90 days
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Shipping and Package ?
Shipping:For example, FedEx, JP, UPS, DHL,SAGAWA, or YTC.
Parts Packaging Guarantee: Featuring 100% ESD anti-static protection, our packaging incorporates high toughness and superior buffering capabilities.
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Payment ?
For example, channels like VISA,MasterCard,Western Union,PayPal,MoneyGram,Rakuten Pay and more.
If you have specific payment channel preferences or requirements, please get in touch with our sales team for assistance.

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ATXMEGA128A4U-AU
The compact TQFP44 package makes the ATXMEGA128A4U-AU suitable for space-constrained applications
Inventory:
4,599
Warranty & Returns
After Sales Service
What after-sales service can be provided?
We provide an extended quality assurance period of 365 days for all components we offer. If a return or exchange becomes essential, kindly adhere to these guidelines:
·Initiate the request within 90 days after the item's shipment date.
·Coordinate the return or exchange with our team.
·Keep the items in their original condition as delivered.
·Please be aware that the feasibility of returning or exchanging items is contingent upon an evaluation of their actual state upon return.
Shipping
What channels of transportation of goods does the website support?
We usually send out our orders during business days using FedEx, SF, UPS, or DHL. We're also here to assist with alternative shipping options. Should you require additional information about shipping particulars or expenses, please don't hesitate to get in touch with us.







Package
How to ensure that the parts will be intact during transportation?
The items we ship will be packaged in anti-static bags, ensuring ESD anti-static protection, while the outer packaging boasts exceptional durability and sealing. We offer packaging options like Tape and Reel, Cut Tape, Tube, or Tray to suit your needs.




Payment
Which payment methods can be used to pay for goods
Accepted payment methods commonly encompass VISA, MasterCard, UnionPay, Western Union, PayPal, and various other options.
Should you have a particular payment preference or wish to seek information on rates and other specifics, please feel free to reach out to us.




