Microchip Technology ATXMEGA16A4U-MH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $3.89 | $3.89 |
| 15+ | $3.76 | $56.40 |
| 25+ | $3.68 | $92.00 |
| 50+ | $3.48 | $174.00 |
| 100+ | $3.07 | $307.00 |
| N+ | $0.61 | 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 | 16KB (8K x 16) |
| Program Memory Type | FLASH |
| EEPROM Size | 1K x 8 |
| RAM Size | 2K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.6V ~ 3.6V |
| Data Converters | A/D 12x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 44-VQFN (7x7) |
| Package / Case | 44-VFQFN Exposed Pad |
| ROHS |  |
The Microchip ATXMEGA16A4U-MH is an 8/16-bit AVR MCU with a 32MHz core, 16KB flash, and 2KB RAM. It operates from 1.6V to 3.6V, making it ideal for battery-powered applications. The device includes a DMA controller, brown-out detection, POR, PWM, and WDT. The 44-VFQFN package with exposed pad offers excellent thermal performance in compact designs.
- Ultra-low voltage operation (1.6V): Enables direct battery operation from a single cell, eliminating boost converters.
- DMA controller: Offloads data transfer from CPU, improving throughput and reducing power consumption.
- Event system: Allows peripherals to communicate directly without CPU intervention, reducing latency.
- Compact VFQFN package: Saves board space while providing thermal pad for heat dissipation.
Portable Medical Devices
The 1.6V minimum supply voltage enables operation from a single 1.8V battery cell, while the DMA controller allows continuous ADC sampling with minimal CPU wake-up time, extending battery life.
Sensor Fusion Hubs
The DMA and event system allow multiple sensors (accelerometer, gyroscope, magnetometer) to be read and processed concurrently without CPU overhead, enabling real-time fusion algorithms.
IoT Edge Nodes
With 16KB flash for protocol stacks and 2KB RAM for buffering, this MCU can handle Zigbee or proprietary sub-GHz protocols while maintaining low sleep currents.
Industrial Data Loggers
The brown-out detector and POR ensure reliable logging in environments with unstable power, while the PWM outputs can drive indicator LEDs for status feedback.
Consumer Electronics Remote Controls
The 32MHz AVR core provides enough throughput for complex IR/RF encoding schemes, while the VFQFN package keeps the PCB footprint small for handheld designs.
Battery Management Systems
The integrated analog comparator and ADC can monitor cell voltages, with the WDT providing a safety timeout for charge/discharge cycles.
- Q: What is the supply voltage range?
- A: It operates from 1.6V to 3.6V, allowing low-power battery operation.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 32MHz.
- Q: How much flash and RAM are available?
- A: It has 16KB flash and 2KB RAM.
- Q: Does it support DMA?
- A: Yes, it includes a DMA controller for peripheral-to-memory transfers without CPU intervention.
- Q: What package is used?
- A: It comes in a 44-VFQFN package with exposed pad for thermal dissipation.
ATXMEGA16A4U-MH.pdf
- Q: What is the supply voltage range?
- A: It operates from 1.6V to 3.6V, allowing low-power battery operation.
- Q: What is the maximum clock speed?
- A: The AVR core runs at up to 32MHz.
- Q: How much flash and RAM are available?
- A: It has 16KB flash and 2KB RAM.
- Q: Does it support DMA?
- A: Yes, it includes a DMA controller for peripheral-to-memory transfers without CPU intervention.
- Q: What package is used?
- A: It comes in a 44-VFQFN package with exposed pad for thermal dissipation.
