Atmel ATUC128L3U-Z3UR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $38.00 | $38.00 |
| 15+ | $8.64 | $129.60 |
| 25+ | $8.45 | $211.25 |
| 50+ | $7.98 | $399.00 |
| 100+ | $7.04 | $704.00 |
| N+ | $1.41 | 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 | 51 |
| 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 | 64-QFN (9x9) |
| Package / Case | 64-VFQFN Exposed Pad |
| ROHS |
The ATUC128L3U-Z3UR from Atmel is a 32-bit AVR microcontroller operating at 50MHz. It features 128KB of flash memory and 32KB of RAM, with a supply voltage range of 1.62V to 3.6V. The device includes Brown-out Detect/Reset, DMA, POR, PWM, and WDT, and is housed in a 64-VFQFN Exposed Pad package. It is optimized for space-constrained, low-power applications.
- Compact 64-VFQFN package: Ideal for space-limited PCB designs.
- Low-power AVR core: 50MHz with efficient sleep modes for battery operation.
- Robust reset management: Brown-out Detect and POR ensure reliable startup.
- DMA and PWM integration: Reduces CPU load for real-time control.
Compact Wearable Devices
The 64-VFQFN package with exposed pad allows efficient heat dissipation in small form-factor fitness trackers or smartwatches.
Industrial Process Control
PWM and DMA enable precise control of valves and pumps, while WDT ensures system recovery in harsh industrial environments.
Consumer Robotics
The 50MHz AVR core with 128KB flash supports complex motion algorithms for robotic vacuum cleaners or toy robots.
Smart Agriculture Sensors
Low voltage operation and brown-out detection make it reliable for soil moisture monitors powered by solar cells in remote fields.
Automotive Lighting Control
With -40°C to 85°C range, it can manage LED matrix lighting in vehicles, using PWM for brightness and color control.
Medical Implantable Devices
The low power consumption and small package suit hearing aids or neurostimulators requiring long battery life.
- Q: What is the core processor of ATUC128L3U-Z3UR?
- A: It uses an AVR core running at 50MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.62V to 3.6V.
- Q: How much flash and RAM does it have?
- A: It has 128KB flash and 32KB RAM.
- Q: What package is this device in?
- A: It comes in a 64-VFQFN Exposed Pad package.
- Q: What are the key integrated features?
- A: It includes Brown-out Detect/Reset, DMA, POR, PWM, and WDT.
- Q: What is the core processor of ATUC128L3U-Z3UR?
- A: It uses an AVR core running at 50MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.62V to 3.6V.
- Q: How much flash and RAM does it have?
- A: It has 128KB flash and 32KB RAM.
- Q: What package is this device in?
- A: It comes in a 64-VFQFN Exposed Pad package.
- Q: What are the key integrated features?
- A: It includes Brown-out Detect/Reset, DMA, POR, PWM, and WDT.

ATUC128L3U-Z3UR.pdf