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ATXMEGA64A3U-AU 8/16-bit AVR XMEGA microcontroller with 64KB Flash, 4KB RAM, and 2KB EEPROM. Features 50 I/O, USB 2.0, and operates at up to 32MHz.
Mfr Part #:

ATXMEGA64A3U-AU

Available from 1 distributors
Mfr Name: Atmel
Atmel
8/16-bit AVR XMEGA microcontroller with 64KB Flash, 4KB RAM, and 2KB EEPROM. Features 50 I/O, USB 2.0, and operates at up to 32MHz.
✓ Total Stock: 1,000 pcs

ATXMEGA64A3U-AU Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request 20+ On Request On Request
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ATXMEGA64A3U-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
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
Voltage
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ATXMEGA64A3U-AU Description

Short technical summary and product information.

The ATXMEGA64A3U-AU is an 8/16-bit AVR XMEGA microcontroller from Atmel, featuring a high-performance AVR core. It offers 64KB of in-system self-programmable Flash memory, 4KB SRAM, and 2KB EEPROM.

 

Operating from 1.6V to 3.6V, it runs at up to 32MHz (at 2.7-3.6V) or 12MHz at lower voltages. It includes a rich set of peripherals: 50 general-purpose I/O, USB 2.0 full-speed device, seven USARTs, I2C, SPI, four DMA channels, seven 16-bit timers, 16-channel 12-bit ADC, and 2-channel 12-bit DAC.

 

The device is housed in a 64-TQFP package (14x14mm) with surface mount. It supports internal oscillator, brown-out detection, and multiple sleep modes for low-power applications. Operating temperature range is -40°C to 85°C.

 

This microcontroller is suitable for embedded control applications requiring connectivity and analog integration. It is RoHS3 compliant and lead-free.

ATXMEGA64A3U-AU Quick Information

Product Type: Microcontroller
Series: XMEGA A3U
Canonical Name: ATXMEGA64A3U-AU Microcontroller
Subcategory: 8/16-bit AVR XMEGA

ATXMEGA64A3U-AU Compliance

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

ATXMEGA64A3U-AU Features

  • 8/16-bit AVR XMEGA core with 32MHz max speed.
  • 64KB Flash, 4KB SRAM, and 2KB EEPROM memory.
  • 50 I/O pins with USB 2.0 full-speed interface.
  • 16-channel 12-bit ADC and 2-channel 12-bit DAC.
  • Operates from 1.6V to 3.6V, -40°C to 85°C.

ATXMEGA64A3U-AU Applications

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

ATXMEGA64A3U-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA64A3U-AU?

1.6V to 3.6V.

What package does the ATXMEGA64A3U-AU come in?

64-TQFP (14x14mm) surface mount package.

What is the operating temperature range?

-40°C to 85°C.

Is the ATXMEGA64A3U-AU RoHS compliant?

Yes, it is RoHS3 compliant and lead-free.

How much Flash memory does the ATXMEGA64A3U-AU have?

64KB of in-system self-programmable Flash.

What is the maximum clock speed?

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

How many I/O pins are available?

50 general-purpose I/O pins.

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