ATXMEGA128B3-AU The ATXMEGA128B3-AU is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology with 128KB flash, 8KB RAM, and 2KB EEPROM. It operates at up to 32MHz and comes in a 64-TQFP package.
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ATXMEGA128B3-AU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATXMEGA128B3-AU is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology with 128KB flash, 8KB RAM, and 2KB EEPROM. It operates at up to 32MHz and comes in a 64-TQFP package.
✓ Total Stock: 1,602 pcs

ATXMEGA128B3-AU Available from 1 distributor

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ATXMEGA128B3-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
Supplier Package
Voltage

ATXMEGA128B3-AU Description

Short technical summary and product information.

The ATXMEGA128B3-AU is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology. It features 128KB of in-system self-programmable flash memory, 8KB of SRAM, and 2KB of EEPROM. The device operates at a maximum clock frequency of 32MHz when powered at 2.7V or higher, and supports operation down to 1.6V with a reduced maximum frequency of 12MHz.

 

This microcontroller includes a rich set of peripherals: a two-channel DMA controller, a four-channel event system, two 16-bit timer/counters, an eight-channel 12-bit ADC, and a USB 2.0 full-speed device interface. Connectivity options include I2C, IrDA, SPI, UART/USART, and USB. Additional features include brown-out detection, power-on reset, watchdog timer, and internal oscillator.

 

The device is supplied in a 64-TQFP package with a 14x14mm body, suitable for surface-mount assembly. It operates over a temperature range of -40°C to +85°C and accepts a supply voltage from 1.6V to 3.6V.

ATXMEGA128B3-AU Quick Information

Product Type: Microcontroller
Series: XMEGA B3
Canonical Name: Microchip ATXMEGA128B3-AU 8/16-bit AVR Microcontroller
Subcategory: AVR XMEGA

ATXMEGA128B3-AU Compliance

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

ATXMEGA128B3-AU Features

  • 8/16-bit AVR XMEGA core processor.
  • 128KB flash and 8KB SRAM memory.
  • Operates at up to 32MHz clock speed.
  • Includes USB, I2C, SPI, and UART interfaces.
  • Surface-mount 64-TQFP package.

ATXMEGA128B3-AU Applications

  • Suitable for industrial control applications.
  • Used in consumer electronics and IoT devices.
  • Ideal for USB peripheral implementations.
  • Supports sensor interfacing with 12-bit ADC.

ATXMEGA128B3-AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA128B3-AU?

The operating voltage range is 1.6V to 3.6V.

What package is the ATXMEGA128B3-AU available in?

The ATXMEGA128B3-AU is available in a 64-TQFP package (14x14mm).

What is the operating temperature range of the ATXMEGA128B3-AU?

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

Is the ATXMEGA128B3-AU RoHS compliant?

The device is listed as RoHS3 compliant, though this status is unverified.

What is the maximum clock frequency of the ATXMEGA128B3-AU?

The maximum clock frequency is 32MHz at 2.7V, and 12MHz at 1.6V.

How much flash memory does the ATXMEGA128B3-AU have?

It has 128KB of flash program memory.

What connectivity interfaces are available on the ATXMEGA128B3-AU?

It supports I2C, IrDA, SPI, UART/USART, and USB.

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