Microchip Technology ATXMEGA64A3U-MH

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® XMEGA® A3U
Packaging Tray |
Core Processor AVR
Core Size 8/16-Bit
Speed 32MHz
Connectivity I2C, IrDA, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 50
Program Memory Size 64KB (32K x 16)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 4K x 8
Voltage - Supply (Vcc/Vdd) 1.6V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-QFN (9x9)
Package / Case 64-VFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATXMEGA64A3U-MH is a versatile AVR microcontroller from Microchip Technology, featuring a 32MHz core, 64KB flash, and 4KB SRAM. It operates from 1.6V to 3.6V and comes in a 64-VFQFN package with an exposed pad for improved thermal management. Integrated DMA, PWM, and brown-out detection make it a robust choice for industrial and portable applications.

  • Compact VFQFN package with exposed pad: Enhances thermal dissipation and saves PCB space.
  • Low-power 1.6V-3.6V operation: Ideal for battery-powered and energy-efficient designs.
  • DMA and PWM integration: Offloads CPU and enables precise control in real-time applications.
  • Extended temperature range: Reliable performance from -40°C to 85°C for harsh environments.

Wearable Health Monitors

The compact VFQFN package and low-voltage operation make it perfect for fitness trackers and heart-rate monitors, where space and power are critical.

Smart Agriculture Sensors

With robust temperature tolerance and low power, it can be deployed in soil moisture and weather stations for remote field monitoring.

Building Automation

DMA and PWM capabilities enable efficient control of HVAC actuators and lighting systems, reducing energy consumption in smart buildings.

Portable Instrumentation

The 32MHz core and 64KB flash support complex signal processing in handheld multimeters and oscilloscopes, while the exposed pad aids heat dissipation.

Automotive Sensor Nodes

Its wide temperature range and reliable reset features make it suitable for tire pressure monitoring and engine control sensors.

Embedded Security Systems

With fast interrupt handling and DMA, it can manage encryption algorithms and secure communication in access control panels.

Q: What is the package type for the ATXMEGA64A3U-MH?
A: It is available in a 64-VFQFN package with an exposed pad, offering excellent thermal performance for compact designs.
Q: What is the operating temperature range?
A: The device operates from -40°C to 85°C, making it suitable for industrial and automotive environments.
Q: Does it support DMA and PWM?
A: Yes, it includes a DMA controller and multiple PWM channels, along with POR, BOD, and WDT for system reliability.
Q: What is the supply voltage range?
A: It operates from 1.6V to 3.6V, supporting low-power battery applications.
Base Product Number : ATXMEGA64A3U
16-bit 32MHz 4KB RAM 64KB Flash 8-bit AVR DMA Industrial Low Power MCU PWM VFQFN-64 Wearable
Q: What is the package type for the ATXMEGA64A3U-MH?
A: It is available in a 64-VFQFN package with an exposed pad, offering excellent thermal performance for compact designs.
Q: What is the operating temperature range?
A: The device operates from -40°C to 85°C, making it suitable for industrial and automotive environments.
Q: Does it support DMA and PWM?
A: Yes, it includes a DMA controller and multiple PWM channels, along with POR, BOD, and WDT for system reliability.
Q: What is the supply voltage range?
A: It operates from 1.6V to 3.6V, supporting low-power battery applications.