Microchip Technology ATXMEGA64A4U-MN
| 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® A4U |
| 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 | 34 |
| Program Memory Size | 64KB (32K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| RAM Size | 4K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.6V ~ 3.6V |
| Data Converters | A/D 12x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | 0°C ~ 105°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| ROHS |
The ATXMEGA64A4U-MN is a high-performance 8/16-bit AVR microcontroller from Microchip. It operates at up to 32MHz with a supply voltage range of 1.6V to 3.6V. Featuring 64KB of flash memory and 4KB of SRAM, it includes a DMA controller, PWM channels, and a watchdog timer. Housed in a compact 44-VFQFN package, it is designed for efficient, low-power embedded control applications.
- High Efficiency: DMA offloads data transfer tasks from the CPU, improving throughput.
- Wide Voltage Range: Operates from 1.6V, enabling single-cell battery designs.
- Robust Operation: Includes brown-out detection and watchdog timer for system reliability.
- Compact Footprint: 44-VFQFN package saves PCB space.
Industrial Control
Use the DMA controller to move sensor data without CPU intervention, reducing latency in real-time control loops.
Portable Medical Devices
Low 1.6V operation and multiple sleep modes extend battery life in wearable monitors.
Smart Sensors
PWM outputs and event system allow direct peripheral-to-peripheral communication for precise actuator control.
Home Automation
Brown-out detection ensures reliable operation during power fluctuations in mains-powered hubs.
Automotive Aftermarket
Operates up to 105°C, suitable for under-hood sensor modules.
Data Logging
4KB SRAM buffers data bursts before writing to external memory via SPI or I2C.
- Q: What is the operating voltage range?
- A: 1.6V to 3.6V.
- Q: What is the maximum CPU speed?
- A: 32MHz.
- Q: How much flash and RAM does it have?
- A: 64KB flash and 4KB RAM.
- Q: What package is available?
- A: 44-VFQFN exposed pad.
- Q: What is the operating voltage range?
- A: 1.6V to 3.6V.
- Q: What is the maximum CPU speed?
- A: 32MHz.
- Q: How much flash and RAM does it have?
- A: 64KB flash and 4KB RAM.
- Q: What package is available?
- A: 44-VFQFN exposed pad.

ATXMEGA64A4U-MN.pdf