Microchip Technology ATXMEGA64A3-MHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $9.35 | $9.35 |
| 15+ | $9.05 | $135.75 |
| 25+ | $8.86 | $221.50 |
| 50+ | $8.36 | $418.00 |
| 100+ | $7.38 | $738.00 |
| N+ | $1.48 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® XMEGA® A3 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | AVR |
| Core Size | 8/16-Bit |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 50 |
| 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 16x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |
The ATXMEGA64A3 is a high-performance 8/16-bit AVR MCU from Microchip, with 64KB flash and 4KB RAM. Operating at 32MHz with a 1.6-3.6V supply, it features DMA, PWM, and brown-out detection, making it suitable for low-power industrial and portable applications.
- Ultra-low voltage operation: 1.6V enables single-cell battery designs.
- DMA controller: Offloads data transfer, improving real-time performance.
- 32MHz AVR core: Efficient 8-bit processing with 16-bit extensions.
- Exposed pad package: Improved thermal dissipation for reliable operation.
Battery-Powered Devices
1.6V minimum supply enables direct operation from a single alkaline cell.
Data Acquisition Systems
DMA controller moves ADC samples to memory without CPU intervention.
LED Lighting Control
PWM channels drive RGB LEDs with smooth dimming at 32MHz.
Portable Medical Devices
Low power consumption extends battery life in glucose meters and pulse oximeters.
Smart Agriculture Sensors
Robust VFQFN package withstands outdoor temperature variations.
Consumer Robotics
Fast interrupt handling and PWM enable precise servo control.
- Q: What is the core architecture?
- A: 8/16-bit AVR.
- Q: Maximum speed?
- A: 32MHz.
- Q: Supply voltage?
- A: 1.6V to 3.6V.
- Q: Package type?
- A: 64-VFQFN exposed pad.
- Q: What is the core architecture?
- A: 8/16-bit AVR.
- Q: Maximum speed?
- A: 32MHz.
- Q: Supply voltage?
- A: 1.6V to 3.6V.
- Q: Package type?
- A: 64-VFQFN exposed pad.

ATXMEGA64A3-MHR.pdf