STMicroelectronics STM32L151CBT6D
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $16.04 | $16.04 |
| 15+ | $3.69 | $55.35 |
| 25+ | $3.61 | $90.25 |
| 50+ | $3.41 | $170.50 |
| 100+ | $3.01 | $301.00 |
| N+ | $0.60 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L1 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M3 |
| Core Size | 32-Bit Single-Core |
| Speed | 32MHz |
| Connectivity | I2C, IrDA, LINbus, SPI, UART/USART, USB |
| Peripherals | Cap Sense, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 37 |
| Program Memory Size | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 16K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.65V ~ 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 | 48-LQFP (7x7) |
| Package / Case | 48-LQFP |
| ROHS |
The STM32L151CBT6D is an ultra-low-power 32-bit MCU from STMicroelectronics, featuring an ARM Cortex-M3 core at 32MHz. It provides 128KB flash and 16KB RAM, with a supply range of 1.65V to 3.6V. Integrated Cap Sense, DMA, I2S, PWM, and WDT make it a versatile choice for battery-operated and touch-enabled applications. The 48-LQFP package balances pin count with board space.
- Ultra-low-power architecture extends battery life in portable designs.
- Cap Sense capacitive touch eliminates mechanical buttons, improving reliability.
- Wide voltage range (1.65V-3.6V) supports single-cell battery operation.
- DMA and I2S enable high-throughput data handling without CPU load.
Portable Medical Devices
The 1.65V low-voltage operation and Cap Sense enable compact, touch-controlled glucose meters or pulse oximeters.
Smart Building Sensors
DMA and I2S support efficient data streaming from environmental sensors, while low power extends battery life in wireless nodes.
Industrial Process Controllers
With 128KB flash and 16KB RAM, it handles complex control loops, and PWM outputs drive actuators precisely.
Consumer Wearables
The small 48-LQFP package and low-power modes make it suitable for fitness trackers with touch interfaces.
IoT Edge Gateways
I2S for audio and multiple communication peripherals allow voice-controlled smart home hubs.
Metering Infrastructure
Robust POR and WDT ensure reliable operation in smart meters, with DMA for efficient data logging.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M3 core runs at up to 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.65V to 3.6V, ideal for low-power and battery applications.
- Q: Does it have capacitive touch support?
- A: Yes, it includes Cap Sense (capacitive sensing) technology.
- Q: What package is this MCU available in?
- A: It comes in a 48-LQFP package.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M3 core runs at up to 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.65V to 3.6V, ideal for low-power and battery applications.
- Q: Does it have capacitive touch support?
- A: Yes, it includes Cap Sense (capacitive sensing) technology.
- Q: What package is this MCU available in?
- A: It comes in a 48-LQFP package.

STM32L151CBT6D.pdf