STMicroelectronics STM32L151VDT7X
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $25.65 | $25.65 |
| 15+ | $5.90 | $88.50 |
| 25+ | $5.77 | $144.25 |
| 50+ | $5.45 | $272.50 |
| 100+ | $4.81 | $481.00 |
| N+ | $0.96 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L1 |
| Packaging | Tray | NULL |
| 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 | 83 |
| Program Memory Size | 384KB (384K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 12K x 8 |
| RAM Size | 48K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 25x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 100-LQFP (14x14) |
| Package / Case | 100-LQFP |
| ROHS |
The STM32L151VDT7X is a low-power ARM Cortex-M3 microcontroller from STMicroelectronics, operating at up to 32MHz. It features 384KB of flash memory and 48KB of SRAM, with a supply voltage range of 1.8V to 3.6V. The device includes peripherals such as DMA, I2S, PWM, a watchdog timer, and capacitive touch sensing. Packaged in a 100-pin LQFP, it is designed for energy-efficient applications requiring high memory density and extended temperature operation.
- High memory density: 384KB flash and 48KB RAM support large applications and complex data structures.
- Integrated touch sensing: Cap Sense eliminates the need for external touch controllers, saving PCB space.
- Wide temperature range: -40°C to 105°C operation enables use in industrial and automotive environments.
- Rich peripheral set: I2S, DMA, and PWM provide flexibility for audio, motor control, and data streaming.
Industrial Sensor Interfaces
The 32MHz Cortex-M3 core with 384KB flash allows complex signal processing from multiple sensors, while the wide temperature range (-40 to 105°C) suits harsh environments.
Smart Home Controllers
Cap Sense technology enables touch-based user interfaces for lighting or thermostat controls, reducing mechanical wear and improving aesthetics.
Portable Instrumentation
Low power consumption and 48KB RAM support data logging and real-time analysis in handheld meters or test equipment.
Medical Monitoring Devices
The integrated I2S interface allows direct connection to audio codecs for hearing aids or patient monitors, with DMA for efficient data transfer.
Battery-Powered IoT Gateways
With 1.8V operation and multiple low-power modes, it can serve as a hub collecting data from sub-GHz or BLE radios.
Motor Control Units
PWM outputs and a robust reset system make it suitable for driving small DC or stepper motors in robotics and automation.
- Q: What core does the STM32L151VDT7X use?
- A: It is based on the ARM Cortex-M3 core running at up to 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 3.6V, supporting low-power applications.
- Q: How much flash and RAM are available?
- A: It offers 384KB of flash and 48KB of SRAM.
- Q: What package is this MCU available in?
- A: It comes in a 100-pin LQFP package.
- Q: Does it support capacitive touch sensing?
- A: Yes, it includes Cap Sense (touch sensing) capability.
- Q: What core does the STM32L151VDT7X use?
- A: It is based on the ARM Cortex-M3 core running at up to 32MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.8V to 3.6V, supporting low-power applications.
- Q: How much flash and RAM are available?
- A: It offers 384KB of flash and 48KB of SRAM.
- Q: What package is this MCU available in?
- A: It comes in a 100-pin LQFP package.
- Q: Does it support capacitive touch sensing?
- A: Yes, it includes Cap Sense (touch sensing) capability.

STM32L151VDT7X.pdf