STMicroelectronics STM32L151CCT7TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.13 | $17.13 |
| 15+ | $3.94 | $59.10 |
| 25+ | $3.85 | $96.25 |
| 50+ | $3.64 | $182.00 |
| 100+ | $3.21 | $321.00 |
| N+ | $0.64 | 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 | Brown-out Detect/Reset, Cap Sense, DMA, I2S, POR, PWM, WDT |
| Number of I/O | 37 |
| 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 14x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 105°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-LQFP (7x7) |
| Package / Case | 48-LQFP |
| ROHS |
The STM32L151CCT7TR from STMicroelectronics is a low-power ARM Cortex-M3 microcontroller designed for energy-sensitive applications. It operates from 1.8V to 3.6V and delivers 32 MHz performance with 256 KB flash and 32 KB SRAM. The 48-pin LQFP package includes advanced peripherals such as capacitive touch sensing, I2S, DMA, and multiple reset detection features, making it suitable for industrial, medical, and consumer products.
- Ultra-low power operation: 1.8V supply and optimized sleep modes extend battery life in portable devices.
- Integrated Cap Sense: Eliminates external touch controller ICs, reducing BOM cost and board space.
- Wide temperature range: -40°C to 105°C ensures reliable operation in harsh environments.
- Rich analog and digital peripherals: DMA, I2S, PWM, and WDT provide design flexibility without extra components.
Battery-Powered Industrial Sensors
The 1.8V minimum supply and low-power features make it ideal for loop-powered or battery-operated industrial transmitters that require long service life.
Portable Medical Devices
With Cap Sense touch interfaces and a 32 MHz Cortex-M3 core, it can handle glucose meters or pulse oximeters while maintaining low energy consumption.
Smart Building Controllers
Its 256 KB flash allows storing complex control algorithms for HVAC or lighting systems, while the 48-LQFP package fits compact wall modules.
IoT Edge Nodes
The I2S interface supports audio or sensor data streaming, and the DMA controller offloads the CPU for efficient protocol handling in constrained IoT devices.
Safety-Critical Automotive Accessories
Operating up to 105°C and featuring brown-out detect and watchdog timers, it suits engine-adjacent or under-hood modules requiring reliable reset management.
Consumer Appliance Touch Panels
Cap Sense technology enables robust capacitive buttons and sliders for kitchen appliances, reducing mechanical wear and improving user experience.
- Q: What is the operating voltage range of the STM32L151CCT7TR?
- A: The supply voltage range is 1.8V to 3.6V, supporting low-power battery applications.
- Q: What core does this MCU use?
- A: It is based on the ARM Cortex-M3 core running at up to 32 MHz.
- Q: How much flash and RAM does it have?
- A: It provides 256 KB of flash memory and 32 KB of SRAM.
- Q: What package is available?
- A: It comes in a 48-pin LQFP package with an operating temperature range of -40°C to 105°C.
- Q: Does it support capacitive touch sensing?
- A: Yes, it includes Cap Sense (capacitive sensing) capability along with DMA, PWM, and WDT.
- Q: What is the operating voltage range of the STM32L151CCT7TR?
- A: The supply voltage range is 1.8V to 3.6V, supporting low-power battery applications.
- Q: What core does this MCU use?
- A: It is based on the ARM Cortex-M3 core running at up to 32 MHz.
- Q: How much flash and RAM does it have?
- A: It provides 256 KB of flash memory and 32 KB of SRAM.
- Q: What package is available?
- A: It comes in a 48-pin LQFP package with an operating temperature range of -40°C to 105°C.
- Q: Does it support capacitive touch sensing?
- A: Yes, it includes Cap Sense (capacitive sensing) capability along with DMA, PWM, and WDT.

STM32L151CCT7TR.pdf