Atmel ATUC128L4U-D3HR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $34.16 | $34.16 |
| 15+ | $7.76 | $116.40 |
| 25+ | $7.59 | $189.75 |
| 50+ | $7.17 | $358.50 |
| 100+ | $6.32 | $632.00 |
| N+ | $1.26 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Atmel |
| Product Series | AVR®32 UC3 L |
| Packaging | Bulk | |
| Core Processor | AVR |
| Core Size | 32-Bit Single-Core |
| Speed | 50MHz |
| Connectivity | I2C, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 36 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.62V ~ 3.6V |
| Data Converters | A/D 8x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-TLLGA (5.5x5.5) |
| Package / Case | 48-UFLGA Exposed Pad |
| ROHS |
The ATUC128L4U-D3HR is a 32-bit AVR microcontroller from Atmel, offering 128KB flash and 32KB RAM. Operating from 1.62V to 3.6V at up to 50MHz, it integrates DMA, PWM, and watchdog functions in a compact 48-UFLGA package, ideal for performance-constrained embedded designs.
- High-speed 50MHz AVR core – delivers real-time responsiveness for complex control loops.
- Low-voltage operation down to 1.62V – extends battery life in portable devices.
- Integrated DMA controller – reduces CPU load for data transfer tasks.
- Compact 48-UFLGA package – saves board space for space-limited designs.
Industrial Control Systems
50MHz AVR core with DMA and PWM enables precise motor control and sensor interfacing in factory automation.
Portable Medical Devices
Low 1.62V operation and 128KB flash support battery-powered monitoring equipment with complex algorithms.
Smart Home Gateways
Multiple communication protocols handled efficiently with 32KB RAM and DMA for concurrent data streams.
Automotive Body Electronics
Wide temperature range and brown-out detection ensure reliable operation in vehicle environments.
IoT Edge Nodes
Low power consumption with fast wake-up via POR and WDT suits always-on sensor nodes.
Robotics Controllers
PWM channels and 50MHz speed allow high-frequency servo updates for precise motion.
- Q: What is the operating voltage range?
- A: 1.62V to 3.6V, suitable for low-power applications.
- Q: What is the maximum clock speed?
- A: 50MHz, enabling fast processing for real-time tasks.
- Q: What package is available?
- A: 48-UFLGA with exposed pad for improved thermal performance.
- Q: Does it include a watchdog timer?
- A: Yes, WDT is integrated for system reliability.
- Q: What is the operating voltage range?
- A: 1.62V to 3.6V, suitable for low-power applications.
- Q: What is the maximum clock speed?
- A: 50MHz, enabling fast processing for real-time tasks.
- Q: What package is available?
- A: 48-UFLGA with exposed pad for improved thermal performance.
- Q: Does it include a watchdog timer?
- A: Yes, WDT is integrated for system reliability.

ATUC128L4U-D3HR.pdf