STMicroelectronics STM32L151UCY6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $10.04 | $10.04 |
| 15+ | $6.60 | $99.00 |
| 25+ | $6.45 | $161.25 |
| 50+ | $6.09 | $304.50 |
| 100+ | $5.38 | $538.00 |
| N+ | $1.08 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L1 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | Brown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 51 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 8K x 8 |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 21x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 63-WLCSP (3.23x4.16) |
| Package / Case | 63-UFBGA, WLCSP |
| ROHS |
The STMicroelectronics STM32L151UCY6TR is a low-power ARM Cortex-M3 microcontroller running at 32MHz. It offers 256KB of flash and 32KB of RAM, operating from 1.8V to 3.6V. This WLCSP device integrates Cap Sense touch, DMA, and I2S, ideal for space-constrained, battery-powered applications.
- Ultra-compact WLCSP: 63-ball package minimizes PCB area for wearables and IoT.
- Low-power ARM core: 32MHz Cortex-M3 with multiple sleep modes extends battery life.
- Integrated Cap Sense: Touch sensing without external ICs simplifies design.
- Large memory: 256KB flash and 32KB RAM support complex applications.
Wearable Health Monitors
The WLCSP package and 1.8V operation enable ultra-compact fitness trackers and heart-rate monitors with long battery life.
Smart Home Sensors
Cap Sense touch interfaces and low-power modes suit battery-powered door/window sensors and thermostats.
Industrial IoT Nodes
32MHz Cortex-M3 with 256KB flash handles MQTT protocols and sensor fusion in wireless condition monitoring.
Medical Implantables
Low power consumption and small footprint make it viable for glucose sensors and neurostimulators.
Portable Audio Devices
I2S interface and DMA support high-quality audio streaming in MP3 players and voice recorders.
Asset Tracking
Multiple low-power modes and wake-up timers extend battery life in GPS trackers and logistics tags.
- Q: What core does the STM32L151UCY6TR use?
- A: It is based on the ARM Cortex-M3 32-bit core running at 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 3.6V, optimized for low-power applications.
- Q: How much flash and RAM does it have?
- A: It features 256KB of flash and 32KB of RAM.
- Q: What package is this?
- A: It comes in a 63-ball WLCSP (wafer-level chip-scale package) for compact designs.
- Q: Does it support capacitive touch?
- A: Yes, it includes Cap Sense technology for touch sensing without external chips.
- Q: What core does the STM32L151UCY6TR use?
- A: It is based on the ARM Cortex-M3 32-bit core running at 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 3.6V, optimized for low-power applications.
- Q: How much flash and RAM does it have?
- A: It features 256KB of flash and 32KB of RAM.
- Q: What package is this?
- A: It comes in a 63-ball WLCSP (wafer-level chip-scale package) for compact designs.
- Q: Does it support capacitive touch?
- A: Yes, it includes Cap Sense technology for touch sensing without external chips.

STM32L151UCY6TR.pdf