Microchip Technology ATXMEGA256A3B-MHR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $12.17 | $12.17 |
| 15+ | $11.79 | $176.85 |
| 25+ | $11.53 | $288.25 |
| 50+ | $10.89 | $544.50 |
| 100+ | $9.61 | $961.00 |
| N+ | $1.92 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Microchip Technology |
| Product Series | AVR® XMEGA® A3B |
| Packaging | Cut Tape (CT) | NULL |
| 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 | 49 |
| 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 Microchip ATXMEGA256A3B-MHR is a powerful AVR microcontroller with 256KB flash and 16KB RAM, running at 32MHz. Its 1.6V to 3.6V supply range and rich feature set including DMA and brown-out detection make it ideal for low-power, high-performance embedded designs. The 64-pin QFN package offers a compact footprint for space-constrained applications.
- Ultra-low voltage operation (1.6V): Extends battery life.
- High memory density (256KB): Supports complex firmware.
- DMA controller: Offloads data transfer from CPU.
- Compact QFN package: Saves board space.
Battery-Powered IoT Sensors
Low 1.6V operation and DMA extend battery life in wireless nodes.
Portable Medical Devices
High integration and small QFN package enable compact glucose meters and pulse oximeters.
Smart Home Controllers
256KB flash supports complex Zigbee/Thread stacks.
Data Loggers
DMA and multiple timers allow efficient sampling without CPU intervention.
Wearable Electronics
Low power modes and 3.6V max voltage suit coin-cell operation.
Industrial Sensor Hubs
Multiple ADC channels and PWM drive various transducer interfaces.
- Q: What is the core architecture?
- A: AVR, 8/16-bit.
- Q: What is the max speed?
- A: 32MHz.
- Q: What is the flash size?
- A: 256KB.
- Q: What is the voltage range?
- A: 1.6V to 3.6V.
- Q: What package is this?
- A: 64-VFQFN exposed pad.
ATXMEGA256A3B-MHR.pdf
- Q: What is the core architecture?
- A: AVR, 8/16-bit.
- Q: What is the max speed?
- A: 32MHz.
- Q: What is the flash size?
- A: 256KB.
- Q: What is the voltage range?
- A: 1.6V to 3.6V.
- Q: What package is this?
- A: 64-VFQFN exposed pad.
