Microchip Technology ATXMEGA16A4-AUR

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series AVR® XMEGA® A4
Packaging Cut Tape (CT) | Tape & Reel (TR)
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-TQFP (10x10)
Package / Case 44-TQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The ATXMEGA16A4-AUR from Microchip (formerly Atmel) is a low-power, high-performance 8/16-bit AVR microcontroller. Operating at up to 32 MHz, it provides efficient processing for a wide range of embedded applications. With 16KB of flash and 2KB of SRAM, it is optimized for smaller, cost-sensitive designs. Its supply voltage range of 1.6V to 3.6V makes it perfect for battery-operated devices. The 44-pin TQFP package offers a compact footprint while still providing access to a rich set of peripherals, including DMA, PWM, and multiple timers.

  • Ultra-Low Voltage: Operates down to 1.6V, enabling direct battery connection and extending battery life.
  • Low Power Consumption: Multiple sleep modes and fast wake-up times are ideal for energy-harvesting applications.
  • Compact Size: 44-pin TQFP saves PCB space in space-constrained designs.
  • DMA Controller: Allows data transfer without CPU intervention, improving efficiency.
  • Cost-Effective: Provides a balanced feature set at a competitive price point for high-volume production.

Battery-Powered Sensors

The ultra-low supply voltage (1.6V) and low-power sleep modes enable long battery life in wireless sensor nodes.

Wearable Health Monitors

Small package and low power consumption make it suitable for fitness trackers and heart rate monitors.

Portable Instrumentation

The 32 MHz AVR core and DMA allow efficient data logging in handheld multimeters and data loggers.

Smart Agriculture

Low cost and low power make it ideal for soil moisture sensors and environmental monitoring in remote fields.

Consumer Electronics

With rich peripherals like PWM and timers, it can control LED lighting, small motors, and user interfaces in toys and gadgets.

Security Systems

Its low power and reliable operation are well-suited for motion detectors and alarm control panels.

Q: What core does the ATXMEGA16A4-AUR use?
A: It is based on the AVR core.
Q: What is the maximum clock speed?
A: The MCU operates at up to 32 MHz.
Q: What is the supply voltage range?
A: It supports 1.6V to 3.6V, ideal for low-power applications.
Q: How much flash and RAM does it have?
A: It has 16KB of flash and 2KB of SRAM.
Q: What package is it available in?
A: It comes in a 44-pin TQFP package.
Base Product Number : ATXMEGA16A4
16KB Flash 2KB RAM 32MHz 8/16-bit MCU ATXMEGA16A4-AUR AVR battery low power Microchip TQFP-44 wearable
Q: What core does the ATXMEGA16A4-AUR use?
A: It is based on the AVR core.
Q: What is the maximum clock speed?
A: The MCU operates at up to 32 MHz.
Q: What is the supply voltage range?
A: It supports 1.6V to 3.6V, ideal for low-power applications.
Q: How much flash and RAM does it have?
A: It has 16KB of flash and 2KB of SRAM.
Q: What package is it available in?
A: It comes in a 44-pin TQFP package.