STMicroelectronics STM32L151R6T6A
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $7.08 | $7.08 |
| 15+ | $4.66 | $69.90 |
| 25+ | $4.55 | $113.75 |
| 50+ | $4.30 | $215.00 |
| 100+ | $3.80 | $380.00 |
| N+ | $0.76 | 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 | 51 |
| Program Memory Size | 32KB (32K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | 4K x 8 |
| RAM Size | 16K 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 STM32L151R6T6A is an ultra-low-power ARM Cortex-M3 microcontroller from STMicroelectronics, designed for energy-conscious applications. Operating at up to 32MHz, it balances performance with efficiency across a 1.8V to 3.6V supply range. It features 32KB flash and 16KB SRAM, sufficient for lightweight firmware. The 64-pin LQFP package offers ample I/O for peripheral integration. Its unique Cap Sense technology enables direct capacitive touch sensing, reducing BOM cost in human-machine interfaces.
- Ultra-low power consumption: Optimized for battery life in portable and wireless devices.
- Integrated Cap Sense: Eliminates external touch controller, saving cost and board space.
- Robust reliability: Brown-out detect/reset and WDT ensure stable operation in fluctuating power conditions.
- Wide supply range: 1.8V-3.6V supports various battery chemistries.
Battery-Powered Wearables
The 1.8V minimum supply and low-power Cortex-M3 core enable long battery life for fitness trackers and smartwatches.
Touch-Enabled Home Appliances
Integrated Cap Sense allows implementing capacitive touch interfaces for microwaves or washing machines without external touch ICs.
Smart Meters
With brown-out detection and DMA, it reliably logs consumption data in utility meters while maintaining low average power.
Medical Monitoring Devices
Its low voltage operation and WDT make it suitable for portable ECG or temperature monitors that require continuous operation.
Industrial Sensor Nodes
The 32MHz speed and multiple timers support periodic data acquisition from temperature or pressure sensors in factory settings.
Security Systems
Cap Sense can be used for tamper detection, while PWM drives alarm indicators, all within a low-power envelope.
- Q: What is the core architecture?
- A: It uses 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, ideal for battery-powered applications.
- Q: How much flash and RAM does it have?
- A: It provides 32KB flash and 16KB SRAM.
- Q: Does it have capacitive sensing?
- A: Yes, it includes Cap Sense capability for touch buttons and sliders.
- Q: What package is available?
- A: It comes in a 64-pin LQFP package.
- Q: What is the core architecture?
- A: It uses 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, ideal for battery-powered applications.
- Q: How much flash and RAM does it have?
- A: It provides 32KB flash and 16KB SRAM.
- Q: Does it have capacitive sensing?
- A: Yes, it includes Cap Sense capability for touch buttons and sliders.
- Q: What package is available?
- A: It comes in a 64-pin LQFP package.

STM32L151R6T6A.pdf