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ATXMEGA256A3U-AU The ATXMEGA256A3U-AU is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology with 256KB Flash, 16KB RAM, and 4KB EEPROM. It operates at up to 32MHz and comes in a 64-TQFP surface mount package.
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ATXMEGA256A3U-AU

Available from 3 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATXMEGA256A3U-AU is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology with 256KB Flash, 16KB RAM, and 4KB EEPROM. It operates at up to 32MHz and comes in a 64-TQFP surface mount package.
✓ Total Stock: 55,149 pcs

ATXMEGA256A3U-AU Available from 3 distributors

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Braun Electronic Components ✓
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50,000 pcs
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50000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
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4,349 pcs
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4349 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
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800 pcs
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800 pcs On Request 1 On Request On Request On Request On Request On Request
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ATXMEGA256A3U-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Number of I/O
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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ATXMEGA256A3U-AU Description

Short technical summary and product information.

The Microchip Technology ATXMEGA256A3U-AU is a high-performance, low-power 8/16-bit AVR XMEGA microcontroller. It features 256KB of in-system self-programmable Flash memory, 16KB internal SRAM, and 4KB EEPROM, operating at a maximum speed of 32MHz.

 

This device includes a rich set of peripherals such as a four-channel DMA controller, an eight-channel event system, seven 16-bit timer/counters, and advanced waveform extensions. Connectivity options include I²C, IrDA, SPI, UART/USART, and USB 2.0 full-speed device interface. It also integrates 16-channel 12-bit ADCs and a 2-channel 12-bit DAC.

 

The microcontroller is housed in a 64-TQFP surface mount package (14x14mm) and supports an operating voltage range of 1.6V to 3.6V. It is designed for industrial temperature ranges from -40°C to 85°C, making it suitable for a wide variety of embedded applications.

ATXMEGA256A3U-AU Quick Information

Product Type: Microcontroller
Series: XMEGA A3U
Canonical Name: Microchip Technology ATXMEGA256A3U-AU 8/16-bit AVR XMEGA Microcontroller
Subcategory: 8/16-bit MCU

ATXMEGA256A3U-AU Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ATXMEGA256A3U-AU Features

  • 8/16-bit AVR XMEGA core at 32MHz.
  • 256KB Flash, 16KB RAM, 4KB EEPROM.
  • USB 2.0 full-speed device interface.
  • 16-channel 12-bit ADC and 2-channel 12-bit DAC.
  • Surface mount 64-TQFP package.

ATXMEGA256A3U-AU Applications

  • Ideal for industrial control and automation.
  • Suitable for USB-enabled embedded systems.
  • Used in sensor interfacing and data acquisition.
  • Applicable in low-power portable devices.

ATXMEGA256A3U-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA256A3U-AU?

The operating supply voltage is 1.6V to 3.6V.

What package does the ATXMEGA256A3U-AU come in?

It comes in a 64-TQFP surface mount package (14x14mm).

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

Is the ATXMEGA256A3U-AU RoHS compliant?

Yes, it is RoHS3 compliant as verified by the datasheet.

How much Flash memory does the ATXMEGA256A3U-AU have?

It has 256KB of in-system self-programmable Flash memory.

What connectivity interfaces are available?

It supports I²C, IrDA, SPI, UART/USART, and USB.

How many I/O pins does the ATXMEGA256A3U-AU have?

It has 50 general-purpose I/O pins.

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