ATXMEGA128A3U-AU The ATXMEGA128A3U-AU is an 8/16-bit AVR XMEGA microcontroller from Atmel with 128KB Flash memory, 50 I/O pins, and USB 2.0 interface. It operates at up to 32MHz and comes in a 64-TQFP package.
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ATXMEGA128A3U-AU

Available from 1 distributors
Mfr Name: Atmel
Atmel
The ATXMEGA128A3U-AU is an 8/16-bit AVR XMEGA microcontroller from Atmel with 128KB Flash memory, 50 I/O pins, and USB 2.0 interface. It operates at up to 32MHz and comes in a 64-TQFP package.
✓ Total Stock: 1,200 pcs

ATXMEGA128A3U-AU Available from 1 distributor

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ATXMEGA128A3U-AU Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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EEPROM Size
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Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
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ATXMEGA128A3U-AU Description

Short technical summary and product information.

The ATXMEGA128A3U-AU is a high-performance, low-power 8/16-bit AVR XMEGA microcontroller from Atmel. It features 128KB of in-system self-programmable Flash memory, 8KB SRAM, and 2KB EEPROM. The device operates at a maximum clock frequency of 32MHz at 2.7V-3.6V and 12MHz at 1.6V. It includes a rich set of peripherals such as a four-channel DMA controller, eight-channel event system, seven 16-bit timer/counters, and a USB 2.0 full-speed device interface. The microcontroller also integrates a 12-bit ADC with 16 channels at 2Msps, a 12-bit DAC with 2 channels at 1Msps, and four analog comparators. Connectivity options include I²C, SPI, UART/USART, IrDA, and USB. The device supports JTAG and PDI programming interfaces. It is housed in a 64-TQFP (14x14mm) surface-mount package and operates over a temperature range of -40°C to 85°C. The ATXMEGA128A3U-AU is suitable for a wide range of embedded applications requiring high integration and low power consumption.

ATXMEGA128A3U-AU Quick Information

Product Type: Microcontroller
Series: A3U
Canonical Name: ATXMEGA128A3U-AU - AVR XMEGA 8/16-bit Microcontroller with 128KB Flash
Subcategory: 8/16-bit AVR XMEGA Microcontroller

ATXMEGA128A3U-AU Compliance

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

ATXMEGA128A3U-AU Features

  • 8/16-bit AVR XMEGA core with 32MHz max speed.
  • 128KB Flash, 8KB SRAM, and 2KB EEPROM memory.
  • Integrated USB 2.0 full-speed device interface.
  • 16-channel 12-bit ADC and 2-channel 12-bit DAC.
  • 50 I/O pins with multiple serial interfaces.

ATXMEGA128A3U-AU Applications

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

ATXMEGA128A3U-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA128A3U-AU?

1.6V to 3.6V.

What package does the ATXMEGA128A3U-AU come in?

64-TQFP (14x14mm) surface-mount package.

What is the operating temperature range?

-40°C to 85°C.

Is the ATXMEGA128A3U-AU RoHS compliant?

Yes, it is RoHS3 compliant and lead-free.

What is the maximum clock frequency?

32MHz at 2.7V-3.6V, 12MHz at 1.6V.

How much Flash memory does it have?

128KB.

What interfaces are supported?

I²C, IrDA, SPI, UART/USART, and USB.

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