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ATXMEGA16A4U-AU The ATXMEGA16A4U-AU is an 8/16-bit AVR XMEGA microcontroller from Atmel with 16KB Flash memory, 2KB RAM, and 1KB EEPROM. It operates at up to 32MHz and includes 34 I/O pins, 12-bit ADC/DAC, and USB connectivity.
Mfr Part #:

ATXMEGA16A4U-AU

Available from 1 distributors
Mfr Name: Atmel
Atmel
The ATXMEGA16A4U-AU is an 8/16-bit AVR XMEGA microcontroller from Atmel with 16KB Flash memory, 2KB RAM, and 1KB EEPROM. It operates at up to 32MHz and includes 34 I/O pins, 12-bit ADC/DAC, and USB connectivity.
✓ Total Stock: 23 pcs
$ Price Range: $5.15

ATXMEGA16A4U-AU Available from 1 distributor

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ATXMEGA16A4U-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
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
Speed
Supplier Device Package
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ATXMEGA16A4U-AU Description

Short technical summary and product information.

The ATXMEGA16A4U-AU is a high-performance, low-power 8/16-bit microcontroller from the AVR XMEGA family. It features an AVR enhanced RISC core capable of executing instructions in a single clock cycle, achieving up to 32MHz at 2.7V-3.6V supply voltage. The device integrates 16KB of in-system self-programmable Flash, 2KB SRAM, and 1KB EEPROM for nonvolatile data storage.

 

Peripheral features include a four-channel DMA controller, an eight-channel event system, five 16-bit timer/counters with high-resolution extensions, and a USB 2.0 full-speed device interface. It also provides a 12-channel 12-bit ADC, a 2-channel 12-bit DAC, two analog comparators, and multiple serial communication interfaces (I2C, SPI, UART/USART, IrDA). With 34 general-purpose I/O pins, it offers ample connectivity for embedded applications.

 

The microcontroller is housed in a 44-TQFP package (10x10mm) with surface-mount gull-wing leads, suitable for compact PCB designs. It operates over an industrial temperature range of -40°C to 85°C and requires a supply voltage from 1.6V to 3.6V. The device includes brown-out detection, power-on reset, and a watchdog timer for reliable operation.

ATXMEGA16A4U-AU Quick Information

Product Type: Microcontroller
Series: ATxmega16A4U
Canonical Name: Atmel ATXMEGA16A4U-AU AVR XMEGA 8/16-bit Microcontroller with 16KB Flash
Subcategory: 8/16-bit Microcontroller

ATXMEGA16A4U-AU Compliance

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

ATXMEGA16A4U-AU Estimated Pricing

Qty Low High
1+ $5.15 $5.15

Estimated market price range - modelled values for guidance only, not live distributor offers.

ATXMEGA16A4U-AU Features

  • AVR XMEGA 8/16-bit core processor.
  • 16KB Flash program memory.
  • 34 general purpose I/O pins.
  • 12-bit ADC with 12 channels.
  • USB 2.0 full speed device interface.

ATXMEGA16A4U-AU Applications

  • Ideal for industrial control systems.
  • Used in USB peripheral devices.
  • Suitable for sensor data acquisition.
  • Perfect for low-power embedded designs.

ATXMEGA16A4U-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA16A4U-AU?

1.6V to 3.6V.

What package does the ATXMEGA16A4U-AU come in?

44-TQFP (10x10mm) surface mount.

What is the operating temperature range?

-40°C to 85°C.

Is the ATXMEGA16A4U-AU RoHS compliant?

Yes, RoHS3 compliant (unverified).

What is the core architecture of this microcontroller?

AVR 8/16-bit.

What is the maximum operating frequency?

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

How much Flash and RAM does it have?

16KB Flash, 2KB RAM, 1KB EEPROM.

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