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ATXMEGA128A4U-MH The ATXMEGA128A4U-MH is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology. It features 128KB flash memory, 32MHz maximum frequency, 34 I/O lines, and a 44-VQFN package.
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ATXMEGA128A4U-MH

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATXMEGA128A4U-MH is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology. It features 128KB flash memory, 32MHz maximum frequency, 34 I/O lines, and a 44-VQFN package.
✓ Total Stock: 3,150 pcs

ATXMEGA128A4U-MH Available from 1 distributor

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ATXMEGA128A4U-MH Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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ATXMEGA128A4U-MH Description

Short technical summary and product information.

The ATXMEGA128A4U-MH is an 8/16-bit AVR XMEGA microcontroller from Microchip Technology, based on the AVR enhanced RISC architecture. It achieves up to 32MHz at 2.7V supply and 12MHz at 1.6V supply, enabling efficient processing. The device includes 128KB of self-programmable flash memory, 8KB SRAM, and 2KB EEPROM. It features 34 general-purpose I/O pins with external interrupt capability. Connectivity includes USB 2.0 full-speed device, two I2C/SMBus interfaces, two SPI interfaces, and five USARTs with IrDA support. Peripherals include a 12-channel 12-bit ADC (2Msps), two-channel 12-bit DAC (1Msps), two analog comparators, a four-channel DMA controller, eight-channel event system, five 16-bit timers with PWM, and a 16-bit real-time counter. Security features include AES/DES crypto engine and CRC generator. The microcontroller operates from 1.6V to 3.6V with an internal oscillator, and is rated for -40°C to 85°C industrial temperature range. It is supplied in a 44-VFQFN exposed pad package (7x7mm) for surface-mount assembly.

ATXMEGA128A4U-MH Quick Information

Product Type: Microcontroller IC
Series: XMEGA A4U
Canonical Name: Microchip ATXMEGA128A4U-MH 8/16-bit AVR XMEGA Microcontroller
Subcategory: AVR XMEGA

ATXMEGA128A4U-MH Compliance

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

ATXMEGA128A4U-MH Features

  • 8/16-bit AVR XMEGA microcontroller core.
  • 128KB flash and 8KB SRAM onboard.
  • 32MHz max frequency at 2.7V supply.
  • 34 general-purpose I/O pins available.
  • Integrated USB 2.0 device interface.

ATXMEGA128A4U-MH Applications

  • Used in industrial control and automation.
  • Suitable for portable battery-powered devices.
  • Ideal for USB peripheral applications.
  • Used in sensor interfacing with ADC/DAC.

ATXMEGA128A4U-MH FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATXMEGA128A4U-MH?

1.6V to 3.6V.

What package does the ATXMEGA128A4U-MH come in?

44-VFQFN Exposed Pad (44-VQFN 7x7mm).

What is the operating temperature range?

-40°C to 85°C.

Is the ATXMEGA128A4U-MH RoHS compliant?

RoHS3 Compliant.

What is the maximum frequency of the ATXMEGA128A4U-MH?

32MHz at 2.7V supply, 12MHz at 1.6V supply.

How much flash memory does the ATXMEGA128A4U-MH have?

128KB.

What communication interfaces are available?

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

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