Microchip Technology ATXMEGA256A3U-M7

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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-M7 is a versatile AVR microcontroller with a 32MHz clock, 256KB flash, and 16KB SRAM. It operates from 1.6V to 3.6V and comes in a 64-VFQFN package. With DMA, PWM, and robust reset features, it is designed for demanding embedded applications.

  • Fast processing: 32MHz AVR core accelerates time-critical tasks.
  • Large program space: 256KB flash supports feature-rich applications.
  • Flexible power: 1.6-3.6V range fits various power supplies.
  • Compact footprint: 64-VFQFN saves PCB space.

Embedded Audio Processing

32MHz speed and DMA support real-time audio filtering and effects in compact devices.

Smart Grid Meters

Accurate ADC and low-power modes enable precise energy monitoring with long battery life.

Building Automation

Multiple UART/SPI interfaces connect to sensors and actuators for HVAC control.

Test & Measurement

High-speed PWM and timers generate precise waveforms for signal generators.

Consumer Electronics

Rich peripheral set simplifies firmware for remote controls and small appliances.

Automotive Aftermarket

Wide temperature range supports engine bay sensors and diagnostic tools.

Q: What is the core architecture?
A: AVR 8/16-bit.
Q: What is the maximum clock speed?
A: 32MHz.
Q: What is the program memory size?
A: 256KB flash.
Q: What is the RAM size?
A: 16KB.
Q: What is the package type?
A: 64-VFQFN exposed pad.
Base Product Number : ATXMEGA256A3U
16KB SRAM 256KB 32MHz 64-VFQFN AVR consumer DMA industrial low voltage MCU PWM
Q: What is the core architecture?
A: AVR 8/16-bit.
Q: What is the maximum clock speed?
A: 32MHz.
Q: What is the program memory size?
A: 256KB flash.
Q: What is the RAM size?
A: 16KB.
Q: What is the package type?
A: 64-VFQFN exposed pad.