Microchip Technology ATXMEGA64A3-AUR

  • ATXMEGA64A3-AUR Microchip Technology Microchip Technology MCU IC Original Authentic IC Component
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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® XMEGA® A3
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 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-TQFP (14x14)
Package / Case 64-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The Microchip ATXMEGA64A3-AUR is a low-power AVR XMEGA MCU with 64KB flash and 4KB RAM. Running at 32MHz from 1.6V to 3.6V, it integrates DMA, brown-out detection, POR, PWM, and WDT in a 64-TQFP package for portable and IoT applications.

  • 1.6V minimum supply enables direct battery operation.
  • 32MHz AVR core with DMA for efficient data streaming.
  • Brown-out detect and POR prevent corruption in unstable power.
  • 64-TQFP small footprint saves board space.

Battery-Powered IoT Sensors

1.6V operation extends coin-cell life in wireless nodes.

Portable Medical Devices

Low-power AVR core with DMA for continuous glucose monitors.

Smart Home Controllers

PWM for LED dimming and WDT for system recovery.

Industrial Data Loggers

Brown-out detection ensures data integrity during power dips.

Wearable Fitness Trackers

Small 64-TQFP and low voltage enable compact PCB designs.

Agricultural Sensors

Wide temp range and low power for field-deployed soil monitors.

Q: What is the supply voltage range?
A: 1.6V to 3.6V, ideal for battery-powered devices.
Q: What core does it use?
A: AVR 8/16-bit at 32MHz.
Q: How much flash and RAM?
A: 64KB flash and 4KB RAM.
Q: What package is available?
A: 64-pin TQFP, -40°C to +85°C.
Base Product Number ： ATXMEGA64A3
1.6V-3.6V 32MHz 4KB RAM 64KB Flash 8/16-bit MCU AVR XMEGA Brown-out Detect DMA IoT Low Power POR Portable PWM TQFP-64 WDT
Q: What is the supply voltage range?
A: 1.6V to 3.6V, ideal for battery-powered devices.
Q: What core does it use?
A: AVR 8/16-bit at 32MHz.
Q: How much flash and RAM?
A: 64KB flash and 4KB RAM.
Q: What package is available?
A: 64-pin TQFP, -40°C to +85°C.

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