STMicroelectronics STM32L151RBT6ATR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $8.92 | $8.92 |
| 15+ | $5.86 | $87.90 |
| 25+ | $5.73 | $143.25 |
| 50+ | $5.41 | $270.50 |
| 100+ | $4.78 | $478.00 |
| N+ | $0.96 | 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 | 128KB (128K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 32K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.8V ~ 3.6V |
| Data Converters | A/D 20x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 64-LQFP (10x10) |
| Package / Case | 64-LQFP |
| ROHS |
The STM32L151RBT6ATR is a low-power ARM Cortex-M3 microcontroller from STMicroelectronics, balancing efficiency with performance. It operates at 32MHz with 128KB flash and 32KB SRAM, supporting a wide voltage range from 1.8V to 3.6V. Integrated features like capacitive touch sensing, DMA, and I2S make it versatile for embedded designs.
- Ultra-low power consumption: 1.8V operation and multiple low-power modes extend battery life in portable devices.
- Integrated Cap Sense: Eliminates external touch controllers, reducing BOM cost and board space.
- Robust peripheral set: DMA, PWM, and I2S enable complex real-time tasks without CPU overhead.
- Wide temperature range: -40°C to 85°C ensures reliability in harsh industrial environments.
Battery-Powered IoT Sensors
With a 1.8V minimum supply and low-power modes, this MCU extends battery life in wireless environmental monitors.
Portable Medical Devices
The Cap Sense touch interface enables hygienic, button-free controls for glucose meters and pulse oximeters.
Industrial Control Panels
DMA and PWM peripherals handle real-time motor control and signal processing at 32MHz.
Smart Home Hubs
I2S support allows high-quality audio streaming for voice-controlled assistants.
Wearable Fitness Trackers
The small 64-LQFP footprint and low power consumption suit compact, always-on step counters.
Data Logging Systems
128KB flash stores extensive logs while WDT ensures reliable operation in remote field deployments.
- Q: What is the operating voltage range of the STM32L151RBT6ATR?
- A: It operates from 1.8V to 3.6V, ideal for battery-powered devices.
- Q: Does this MCU support capacitive touch sensing?
- A: Yes, it includes Cap Sense technology for touch interfaces.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M3 core runs at up to 32MHz.
- Q: How much flash memory is available?
- A: It provides 128KB of flash and 32KB of SRAM.
- Q: What package is this available in?
- A: It comes in a 64-pin LQFP package.
- Q: What is the operating voltage range of the STM32L151RBT6ATR?
- A: It operates from 1.8V to 3.6V, ideal for battery-powered devices.
- Q: Does this MCU support capacitive touch sensing?
- A: Yes, it includes Cap Sense technology for touch interfaces.
- Q: What is the maximum CPU speed?
- A: The ARM Cortex-M3 core runs at up to 32MHz.
- Q: How much flash memory is available?
- A: It provides 128KB of flash and 32KB of SRAM.
- Q: What package is this available in?
- A: It comes in a 64-pin LQFP package.

STM32L151RBT6ATR.pdf