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ATXMEGA256A3U-MH The ATXMEGA256A3U-MH is a high-performance 8/16-bit AVR XMEGA microcontroller from Microchip Technology with 256KB Flash memory, 16KB SRAM, and 4KB EEPROM. It operates at up to 32MHz and features a wide range of peripherals including USB, DMA, and multiple communication interfaces.
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ATXMEGA256A3U-MH

Available from 4 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATXMEGA256A3U-MH is a high-performance 8/16-bit AVR XMEGA microcontroller from Microchip Technology with 256KB Flash memory, 16KB SRAM, and 4KB EEPROM. It operates at up to 32MHz and features a wide range of peripherals including USB, DMA, and multiple communication interfaces.
✓ Total Stock: 98,856 pcs

ATXMEGA256A3U-MH Available from 4 distributors

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ATXMEGA256A3U-MH 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
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ATXMEGA256A3U-MH Description

Short technical summary and product information.

The ATXMEGA256A3U-MH is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology. It features 256KB of in-system self-programmable Flash memory, 16KB SRAM, and 4KB EEPROM. The core operates at up to 32MHz (12MHz at 1.6V) over a supply voltage range of 1.6V to 3.6V.

 

Peripheral features include a four-channel DMA controller, an eight-channel event system, seven 16-bit timer/counters, a USB 2.0 full-speed device interface, seven USARTs (one with IrDA), two two-wire interfaces (I2C/SMBus), three SPIs, AES and DES crypto engine, and CRC generators. It also integrates two 16-channel 12-bit ADCs (2msps) and one 2-channel 12-bit DAC (1msps), along with four analog comparators.

 

The device is available in a 64-VFQFN Exposed Pad package (64-QFN 9x9mm) and is surface-mountable. It operates over an ambient temperature range of -40°C to 85°C. The microcontroller supports JTAG programming and debug interface.

ATXMEGA256A3U-MH Quick Information

Product Type: Microcontroller
Series: XMEGA A3U
Canonical Name: ATXMEGA256A3U-MH Microchip Technology 8/16-bit AVR XMEGA Microcontroller
Subcategory: 8/16-bit Microcontroller

ATXMEGA256A3U-MH Compliance

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

ATXMEGA256A3U-MH Features

  • 8/16-bit AVR XMEGA core with 32MHz speed.
  • 256KB Flash and 16KB SRAM memory.
  • USB 2.0 full-speed device interface.
  • 50 general-purpose I/O pins.
  • A/D 16x12b and D/A 2x12b converters.

ATXMEGA256A3U-MH Applications

  • Capacitive touch button and slider interfaces.
  • USB device applications for data transfer.
  • Industrial automation and control systems.
  • Embedded systems with multiple communication interfaces.

ATXMEGA256A3U-MH FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA256A3U-MH?

1.6V to 3.6V.

What package does the ATXMEGA256A3U-MH come in?

64-VFQFN Exposed Pad (64-QFN 9x9mm).

What is the operating temperature range?

-40°C to 85°C.

Is the ATXMEGA256A3U-MH RoHS compliant?

Yes, it is RoHS3 compliant (Pb-free).

What is the maximum clock speed?

32MHz (12MHz at 1.6V).

How much Flash memory does it have?

256KB (128K x 16).

What communication interfaces are available?

I2C, IrDA, SPI, UART/USART, USB.

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