Microchip Technology ATXMEGA256A3U-MN

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Regular price $94,999.99
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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 256KB (128K x 16)
Program Memory Type FLASH
EEPROM Size 4K x 8
RAM Size 16K 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 ~ 105°C (TA)
Grade -
Qualification -
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 ATXMEGA256A3U-MN is a powerful AVR microcontroller with 32MHz operation, 256KB flash, and 16KB SRAM. It runs on 1.6V to 3.6V and is available in a 64-VFQFN package. Its rich peripheral set makes it suitable for a wide range of embedded systems.

  • Cost-effective: High memory and features at a competitive price.
  • Scalable: Part of the XMEGA family with pin-compatible options.
  • Reliable: Includes POR, BOD, and watchdog for robust operation.
  • Easy development: Supported by Microchip Studio and free tools.

Embedded Linux Co-processor

Handles real-time I/O and PWM while a host processor runs Linux.

Smart Agriculture

Monitors soil sensors and controls irrigation valves with low power.

Portable Instruments

Compact package and low voltage enable handheld multimeters and thermometers.

Communication Gateways

Multiple serial ports bridge UART, SPI, and I2C protocols.

LED Lighting Control

High-resolution PWM dimming for architectural lighting.

Medical Wearables

Small footprint and low power suit fitness trackers and patches.

Q: What is the core processor?
A: AVR.
Q: What is the maximum speed?
A: 32MHz.
Q: How much program memory?
A: 256KB.
Q: How much RAM?
A: 16KB.
Q: What package is it?
A: 64-VFQFN exposed pad.
Base Product Number : ATXMEGA256A3U
16KB SRAM 256KB 32MHz 64-VFQFN AVR industrial IoT low power MCU wearable
Q: What is the core processor?
A: AVR.
Q: What is the maximum speed?
A: 32MHz.
Q: How much program memory?
A: 256KB.
Q: How much RAM?
A: 16KB.
Q: What package is it?
A: 64-VFQFN exposed pad.