Microchip Technology ATXMEGA256D3-MNR
| 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® D3 |
| Packaging | | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8/16-Bit |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, 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 |
| 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 Microchip ATXMEGA256D3-MNR is a high-performance 8/16-bit AVR microcontroller with 256KB flash and 16KB SRAM. It operates at up to 32MHz with a supply range of 1.6V to 3.6V, making it suitable for low-power and industrial applications. The 64-VFQFN package provides a compact footprint for space-constrained designs.
- Large 256KB flash memory: Enables complex firmware and over-the-air updates without external storage.
- Wide voltage range (1.6V-3.6V): Supports battery and 3.3V systems with minimal power loss.
- High-temperature tolerance (-40°C to 105°C): Reliable in harsh industrial environments.
- Integrated safety features (BOD, WDT): Enhances system robustness and reduces external components.
Industrial Control Systems
The 32MHz AVR core with 256KB flash and 16KB RAM enables complex control algorithms and data logging in PLCs and motor controllers.
Smart Sensors
With a 1.6V minimum supply and low-power features, it is ideal for battery-powered environmental and industrial sensors requiring long life.
Portable Medical Devices
The wide voltage range and robust PWM capabilities support precise signal generation for diagnostic and monitoring equipment.
Automotive Body Electronics
Operating from -40°C to 105°C, it suits under-hood modules like window lifters and lighting control, with WDT for safety.
IoT Gateways
Its large memory and DMA (via features) allow efficient protocol handling and sensor fusion in edge gateways.
Power Management Units
The PWM and brown-out detection ensure reliable sequencing and fault handling in DC-DC converters and battery chargers.
- Q: What is the maximum operating frequency of the ATXMEGA256D3-MNR?
- A: The ATXMEGA256D3-MNR operates at up to 32 MHz.
- Q: What is the supply voltage range?
- A: It supports a supply voltage from 1.6V to 3.6V.
- Q: How much flash memory does this MCU have?
- A: It features 256KB of in-system programmable flash memory.
- Q: What package is available?
- A: It comes in a 64-VFQFN exposed pad package.
- Q: Does it include a brown-out detector?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT.
- Q: What is the maximum operating frequency of the ATXMEGA256D3-MNR?
- A: The ATXMEGA256D3-MNR operates at up to 32 MHz.
- Q: What is the supply voltage range?
- A: It supports a supply voltage from 1.6V to 3.6V.
- Q: How much flash memory does this MCU have?
- A: It features 256KB of in-system programmable flash memory.
- Q: What package is available?
- A: It comes in a 64-VFQFN exposed pad package.
- Q: Does it include a brown-out detector?
- A: Yes, it includes Brown-out Detect/Reset, POR, PWM, and WDT.

ATXMEGA256D3-MNR.pdf