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ATXMEGA128A3U-AU Microchip ATXMEGA128A3U-AU is an 8/16-bit AVR XMEGA microcontroller with 128KB Flash memory, 50 I/O pins, and USB 2.0 interface. It comes in a 64-TQFP surface mount package.
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ATXMEGA128A3U-AU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
Microchip ATXMEGA128A3U-AU is an 8/16-bit AVR XMEGA microcontroller with 128KB Flash memory, 50 I/O pins, and USB 2.0 interface. It comes in a 64-TQFP surface mount package.
✓ Total Stock: 1,738 pcs

ATXMEGA128A3U-AU Available from 1 distributor

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ATXMEGA128A3U-AU Specifications Quick View

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ATXMEGA128A3U-AU Description

Short technical summary and product information.

The Microchip ATXMEGA128A3U-AU is an 8/16-bit AVR XMEGA microcontroller designed for low-power, high-performance embedded applications. 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 and supports a supply voltage range of 1.6V to 3.6V.

 

Key peripherals include a four-channel DMA controller, seven 16-bit timer/counters, a USB 2.0 full-speed device interface, AES/DES crypto engine, CRC generator, 16-channel 12-bit ADC, 2-channel 12-bit DAC, and four analog comparators. Connectivity options include I²C, IrDA, SPI, UART/USART, and USB. The microcontroller also features QTouch capacitive touch sensing support.

 

The ATXMEGA128A3U-AU is housed in a 64-TQFP (14x14mm) surface mount package and is rated for an operating temperature range of -40°C to 85°C. It is RoHS compliant and lead-free, making it suitable for environmentally conscious designs.

ATXMEGA128A3U-AU Quick Information

Product Type: Microcontroller
Series: AVR XMEGA A3U
Canonical Name: Microchip ATXMEGA128A3U-AU AVR XMEGA 8/16-bit Microcontroller
Subcategory: 8/16-bit AVR Microcontroller

ATXMEGA128A3U-AU Compliance

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

ATXMEGA128A3U-AU Features

  • 8/16-bit AVR XMEGA core architecture.
  • 128KB in-system self-programmable Flash memory.
  • 50 general-purpose I/O pins.
  • USB 2.0 full-speed device interface.
  • Operating voltage range 1.6V to 3.6V.

ATXMEGA128A3U-AU Applications

  • Ideal for industrial control applications.
  • Suitable for USB-enabled embedded systems.
  • Used in sensor interface 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?

The operating voltage range is 1.6V to 3.6V.

What package does the ATXMEGA128A3U-AU come in?

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

What is the operating temperature range?

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

Is the ATXMEGA128A3U-AU RoHS compliant?

Yes, it is RoHS compliant and lead-free.

What is the maximum clock frequency?

The maximum clock frequency is 32MHz.

How much Flash memory does it have?

It has 128KB of Flash memory.

Does it have a USB interface?

Yes, it has a USB 2.0 Full Speed Device interface.

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