Microchip Technology ATXMEGA16A4-MHR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® XMEGA® A4
Packaging Cut Tape (CT) | NULL
Core Processor AVR
Core Size 8/16-Bit
Speed 32MHz
Connectivity I2C, IrDA, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 34
Program Memory Size 16KB (8K x 16)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 2K x 8
Voltage - Supply (Vcc/Vdd) 1.6V ~ 3.6V
Data Converters A/D 12x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 44-VQFN (7x7)
Package / Case 44-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATXMEGA16A4-MHR from Microchip Technology is a high-performance 8/16-bit AVR microcontroller. It operates at up to 32MHz with a supply voltage range of 1.6V to 3.6V. This device integrates 16KB of flash memory and 2KB of SRAM in a compact 44-VFQFN package. It includes advanced features such as DMA, PWM, brown-out detection, and a watchdog timer, making it suitable for a wide range of embedded control applications.

  • Ultra-low voltage operation (1.6V) extends battery life in portable devices.
  • High-speed 32MHz AVR core delivers responsive real-time processing.
  • Integrated DMA reduces CPU load for efficient data transfer.
  • Compact 44-VFQFN package saves PCB space.
  • Robust safety features (BOD, POR, WDT) enhance system reliability.

Battery-Powered Sensor Nodes

The 1.6V minimum supply voltage and low-power AVR core enable long-life operation in wireless sensor networks.

Motor Control Systems

With 32MHz speed and PWM channels, it can generate precise control signals for brushless DC motors.

Portable Medical Devices

The small 44-VFQFN package and 2KB SRAM support compact, reliable monitoring equipment.

Industrial Automation

DMA and WDT ensure robust data transfer and system recovery in harsh environments.

Smart Home Controllers

Its rich peripheral set and 16KB flash handle complex logic for lighting and security systems.

Data Logging Systems

Brown-out detection and POR guarantee safe operation during power fluctuations.

Q: What is the operating voltage range of the ATXMEGA16A4-MHR?
A: It operates from 1.6V to 3.6V, ideal for battery-powered designs.
Q: What is the maximum CPU speed?
A: The AVR core runs at up to 32MHz.
Q: How much flash memory does it have?
A: It provides 16KB of in-system programmable flash.
Q: What package is available?
A: It comes in a 44-VFQFN exposed pad package.
Q: Does it include DMA and PWM?
A: Yes, it features DMA, PWM, POR, BOD, and WDT.
Base Product Number : ATXMEGA16A4
16-bit 16KB Flash 2KB SRAM 32MHz 44-VFQFN 8-bit AVR DMA industrial low voltage MCU portable PWM
Q: What is the operating voltage range of the ATXMEGA16A4-MHR?
A: It operates from 1.6V to 3.6V, ideal for battery-powered designs.
Q: What is the maximum CPU speed?
A: The AVR core runs at up to 32MHz.
Q: How much flash memory does it have?
A: It provides 16KB of in-system programmable flash.
Q: What package is available?
A: It comes in a 44-VFQFN exposed pad package.
Q: Does it include DMA and PWM?
A: Yes, it features DMA, PWM, POR, BOD, and WDT.