Microchip Technology ATXMEGA256A3BU-MH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.47 | $8.47 |
| 15+ | $8.21 | $123.15 |
| 25+ | $8.03 | $200.75 |
| 50+ | $7.58 | $379.00 |
| 100+ | $6.69 | $669.00 |
| N+ | $1.34 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® XMEGA® A3BU |
| 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 | 47 |
| 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 ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |  |
The ATXMEGA256A3BU is a high-capacity AVR MCU from Microchip with 256KB flash and 16KB SRAM. Running at 32MHz from 1.6V to 3.6V, it includes DMA, PWM, and brown-out detection. The 64-VFQFN package with exposed pad offers excellent thermal characteristics for demanding applications.
- Large memory: 256KB flash and 16KB SRAM for complex applications.
- Efficient data handling: DMA reduces CPU load for high-throughput tasks.
- Thermal performance: Exposed pad package improves heat dissipation.
- Low power: 1.6V operation extends battery life in portable designs.
Advanced Robotics
256KB flash and 16KB RAM support complex algorithms and sensor fusion at 32MHz.
Smart Grid Infrastructure
DMA and PWM enable precise power monitoring and control in energy distribution.
Medical Monitoring Devices
Low voltage operation and rich peripherals support continuous patient data logging.
Industrial Automation
Large memory allows storing multiple firmware versions for field updates.
Portable Instrumentation
VFQFN package with exposed pad improves thermal performance in handheld meters.
Networking Gateways
DMA offloads packet processing, improving throughput in protocol converters.
- Q: What is the program memory size?
- A: 256KB of flash memory.
- Q: What is the RAM size?
- A: 16KB of SRAM.
- Q: What is the package type?
- A: 64-VFQFN exposed pad package.
- Q: What is the maximum speed?
- A: 32MHz.
- Q: Does it support DMA?
- A: Yes, it has a DMA controller.
ATXMEGA256A3BU-MH.pdf
- Q: What is the program memory size?
- A: 256KB of flash memory.
- Q: What is the RAM size?
- A: 16KB of SRAM.
- Q: What is the package type?
- A: 64-VFQFN exposed pad package.
- Q: What is the maximum speed?
- A: 32MHz.
- Q: Does it support DMA?
- A: Yes, it has a DMA controller.
