Microchip Technology ATXMEGA256A3U-M7
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $94,999.99 | $94,999.99 |
| 15+ | $91,999.99 | $1,379,999.85 |
| 25+ | $89,999.99 | $2,249,999.75 |
| 50+ | $84,999.99 | $4,249,999.50 |
| 100+ | $74,999.99 | $7,499,999.00 |
| N+ | $15,000.00 | Price Inquiry |
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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 |
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.
- 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.

ATXMEGA256A3U-M7.pdf