STMicroelectronics STM32L151CCT7

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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 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 RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L151CCT7 is a low-power ARM Cortex-M3 microcontroller from STMicroelectronics, operating at up to 32MHz. It features 256KB flash and 32KB SRAM, with a supply range of 1.8V to 3.6V. The device integrates Cap Sense touch sensing, DMA, I2S, PWM, and multiple watchdog timers, making it ideal for energy-conscious embedded designs.

  • Ultra-low power consumption: Optimized for battery life with multiple low-power modes and 1.8V operation.
  • High memory density: 256KB flash and 32KB SRAM support complex applications without external memory.
  • Integrated touch sensing: Cap Sense technology eliminates the need for external touch controllers.
  • Robust safety features: Brown-out reset, POR, and WDT ensure reliable operation in harsh environments.

Battery-Powered IoT Sensors

With a 1.8V minimum supply and multiple low-power modes, the STM32L151CCT7 extends battery life in wireless sensor nodes.

Portable Medical Devices

The 32MHz Cortex-M3 core and 256KB flash handle complex algorithms for glucose meters or pulse oximeters while maintaining low power.

Industrial Control Panels

Cap Sense technology enables touch buttons on HMI panels, while PWM and WDT support reliable motor and safety control.

Smart Metering

DMA and I2S interfaces facilitate efficient data logging and communication in smart gas/water meters.

Wearable Fitness Trackers

The small 48-LQFP package and low-voltage operation fit compact designs for step counting and heart-rate monitoring.

Building Automation

Brown-out detection and POR ensure stable operation in HVAC controllers and lighting systems.

Q: What is the operating voltage range of the STM32L151CCT7?
A: The STM32L151CCT7 operates from 1.8V to 3.6V, making it suitable for battery-powered applications.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M3 core runs at up to 32MHz.
Q: How much flash memory does it have?
A: It provides 256KB of flash memory and 32KB of SRAM.
Q: What package is available?
A: It comes in a 48-pin LQFP package.
Q: Does it support capacitive touch sensing?
A: Yes, it includes Cap Sense technology for touch interfaces.
Base Product Number : STM32L151CCT7
256KB flash 32-bit MCU 48-LQFP ARM Cortex-M3 Cap Sense industrial IoT low power medical STM32L151CCT7
Q: What is the operating voltage range of the STM32L151CCT7?
A: The STM32L151CCT7 operates from 1.8V to 3.6V, making it suitable for battery-powered applications.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M3 core runs at up to 32MHz.
Q: How much flash memory does it have?
A: It provides 256KB of flash memory and 32KB of SRAM.
Q: What package is available?
A: It comes in a 48-pin LQFP package.
Q: Does it support capacitive touch sensing?
A: Yes, it includes Cap Sense technology for touch interfaces.