ATXMEGA32A4-AUR The ATXMEGA32A4-AUR is an 8/16-bit AVR microcontroller from Microchip Technology with 32KB of flash memory, 4KB SRAM, and 1KB EEPROM. It operates at up to 32 MHz and is supplied in a 44-TQFP package.
Mfr Part #:

ATXMEGA32A4-AUR

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATXMEGA32A4-AUR is an 8/16-bit AVR microcontroller from Microchip Technology with 32KB of flash memory, 4KB SRAM, and 1KB EEPROM. It operates at up to 32 MHz and is supplied in a 44-TQFP package.
✓ Total Stock: 2,000 pcs

ATXMEGA32A4-AUR Available from 1 distributor

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ATXMEGA32A4-AUR 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

ATXMEGA32A4-AUR Description

Short technical summary and product information.

The ATXMEGA32A4-AUR is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology. It combines a 32 MHz AVR core with 32KB of in-system self-programmable flash memory, 4KB SRAM, and 1KB EEPROM. The device operates from a 1.6V to 3.6V supply and includes an internal oscillator, brown-out detection, power-on reset, DMA controller, PWM channels, and a watchdog timer.

 

For analog and mixed-signal interfacing, the MCU integrates a 12-channel 12-bit A/D converter and a 2-channel 12-bit D/A converter. Connectivity options include I2C, IrDA, SPI, and UART/USART, while 34 programmable I/O lines provide flexible peripheral interfacing. The device is housed in a 44-lead TQFP package (10x10 mm) intended for surface-mount assembly.

 

With its low-voltage operation and -40°C to 85°C temperature range, the ATXMEGA32A4-AUR suits battery-powered and industrial applications. Typical use cases include factory automation, motor control, building control, and HVAC systems. The integrated DMA and event system helps reduce CPU loading in data-intensive designs.

ATXMEGA32A4-AUR Quick Information

Product Type: Microcontroller
Series: XMEGA A4
Canonical Name: Microchip Technology ATXMEGA32A4-AUR 8/16-bit AVR XMEGA Microcontroller
Subcategory: AVR Microcontroller

ATXMEGA32A4-AUR Compliance

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

ATXMEGA32A4-AUR Features

  • AVR 8/16-bit core runs to 32 MHz.
  • 32KB flash with 4KB SRAM memory.
  • 12-bit ADC and 2-channel DAC built in.
  • 34 I/O lines with serial interfaces.
  • Offered in 44-TQFP surface-mount package.

ATXMEGA32A4-AUR Applications

  • Ideal for industrial control and automation systems.
  • Suitable for low-power sensor monitoring and data logging.
  • Used in communication modules requiring I²C, SPI, UART interfaces.
  • Applicable in motor control with PWM and ADC capabilities.
  • Designed for portable and battery-powered devices.

ATXMEGA32A4-AUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA32A4-AUR?

The supply voltage range is 1.6V to 3.6V.

What is the package type of the ATXMEGA32A4-AUR?

The package is 44-TQFP (10x10 mm).

What is the operating temperature range?

-40°C to 85°C (TA).

Is the ATXMEGA32A4-AUR RoHS compliant?

Yes, it is marked as RoHS3 compliant (unverified).

What is the maximum clock speed?

32 MHz.

How much flash memory does the ATXMEGA32A4-AUR have?

32 KB (16K x 16).

What communication interfaces are supported?

I²C, IrDA, SPI, UART/USART.

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