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Microchip ATXMEGA128D3-AU

8 Bit MCU, Low Power High Performance, AVR ATxmega Family ATXmega D Series Microcontrollers, 32 MHz

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Brands: Microchip Technology, Inc

Mfr.Part #: ATXMEGA128D3-AU

Datasheet: ATXMEGA128D3-AU Datasheet (PDF)

Package/Case: TQFP-64

Product Type: Embedded Processors & Controllers

RoHS Status:

Stock Condition: 3171 pcs, New Original

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ATXMEGA128D3-AU General Description

ATXMEGA128D3-AU is a microcontroller chip from the Atmel AVR XMEGA family. It is a 32-bit RISC architecture chip that operates at a maximum frequency of 32 MHz and is based on the Harvard architecture with separate instruction and data buses. The microcontroller has 128 KB of flash memory, 8 KB of SRAM, and 2 KB of EEPROM.



  • 32-bit AVR microcontroller
  • Maximum clock frequency of 32 MHz
  • 128 KB of in-system programmable flash memory
  • 8 KB of SRAM
  • 2 KB of EEPROM
  • Up to 66 I/O pins
  • Up to 8-channel event system
  • On-chip 12-bit ADC with up to 16 channels
  • On-chip 12-bit DAC with single-channel operation
  • 4-channel DMA controller
  • 32-bit real-time counter with four compare channels
  • Up to 8-channel direct memory access (DMA) controller
  • Multiple communication interfaces including UART, SPI, and I2C
  • AES and DES encryption/decryption accelerator


Microchip Technology, Inc Inventory


Parameter Value Parameter Value
Pin Count 64 Package Category Quad Flat Packages
Released Date Apr 16, 2015


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TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
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1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


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All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

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Datasheet PDF

Preliminary Specification ATXMEGA128D3-AU PDF Download

Key points

  • The ATXMEGA128D3-AU is a microcontroller chip manufactured by Microchip Technology. It belongs to the ATxmega series and offers high-speed performance and low power consumption. It features 128KB flash memory, 8KB SRAM, multiple communication interfaces, and various peripherals for versatile applications. With its advanced features and capabilities, the ATXMEGA128D3-AU is widely used in embedded systems, industrial automation, and other electronic devices.
  • Equivalent

    The equivalent products of the ATXMEGA128D3-AU chip include the ATXMEGA64D3-AU, ATXMEGA128D4-AU, and ATXMEGA128D3-MH chips.
  • Features

    The ATXMEGA128D3-AU is a microcontroller with 128KB flash memory, 8KB RAM, and operates at 32MHz. It has 128 GPIO pins, 16-bit timer/counters, 4 16-bit PWM channels, 8 channel 12-bit ADC, and USART, SPI, and I2C communication interfaces. It also supports internal temperature and voltage sensors, and has a built-in 8MHz oscillator.
  • Pinout

    The ATXMEGA128D3-AU microcontroller has 64 pins. It is a high-performance 8-bit MCU with 128KB of flash memory and 4KB of RAM. It offers various functions including analog-to-digital conversion, multiple communication interfaces, timers, and interrupt handling, making it suitable for a wide range of applications.
  • Manufacturer

    Microchip Technology Inc. is the manufacturer of the ATXMEGA128D3-AU, which is a semiconductor company.
  • Application Field

    The ATXMEGA128D3-AU microcontroller is commonly used in various application areas, including industrial automation, consumer electronics, smart energy systems, and medical devices. Its high performance, low power consumption, and advanced peripherals make it suitable for a wide range of applications.
  • Package

    The ATXMEGA128D3-AU chip is available in a TQFP package type, with a form factor of 44 leads and a size of 10x10mm.

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