Overview
The STM32L151CBT6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It is based on the ARM Cortex-M3 32-bit RISC core, operating at a frequency of up to 32 MHz. This microcontroller is designed for low-power applications, offering a comprehensive set of power-saving modes and a wide range of peripherals and interfaces. The device is particularly suited for applications requiring high performance, low power consumption, and advanced connectivity options.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | ARM Cortex-M3 32-bit CPU |
| Core Speed | Up to 32 MHz |
| Program Memory Size | 128 KB (128K x 8) Flash |
| RAM Size | 16 KB (16K x 8) |
| EEPROM Size | 4 KB (4K x 8) |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40°C to 85°C (up to 105°C in low power dissipation state) |
| Package | 48-LQFP |
| Number of I/Os | 37 (including 5V tolerant I/Os) |
| Analog Peripherals | 12-bit ADC (up to 24 channels), 12-bit DAC (2 channels), 2 ultra-low-power comparators |
| Communication Interfaces | USB 2.0, 3x USARTs, 2x SPIs, 2x I2Cs |
| Timers | 6x 16-bit timers with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, and Low-power run modes)
- High-performance ARM Cortex-M3 32-bit CPU with up to 32 MHz frequency
- Rich analog peripherals including 12-bit ADC, 12-bit DAC, and ultra-low-power comparators
- Extensive range of communication interfaces: USB 2.0, USARTs, SPIs, and I2Cs
- Up to 20 capacitive sensing channels for touch sensing applications
- Integrated LCD controller (except for STM32L151x6/8/B devices)
- Real-time clock and backup registers
- DMA controller with 7 channels
- CRC calculation unit and 96-bit unique ID
Applications
- Low-power industrial control systems
- Smart energy management systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
- IoT devices and wireless sensor networks
Q & A
- What is the core processor of the STM32L151CBT6?
The core processor is the ARM Cortex-M3 32-bit RISC CPU.
- What is the maximum operating frequency of the STM32L151CBT6?
The maximum operating frequency is up to 32 MHz.
- What is the program memory size of the STM32L151CBT6?
The program memory size is 128 KB (128K x 8) Flash.
- What are the power-saving modes available in the STM32L151CBT6?
The device offers Standby, Stop, and Low-power run modes.
- What are the key analog peripherals of the STM32L151CBT6?
The key analog peripherals include a 12-bit ADC, 12-bit DAC, and 2 ultra-low-power comparators.
- Does the STM32L151CBT6 support USB connectivity?
- What is the operating temperature range of the STM32L151CBT6?
The operating temperature range is -40°C to 85°C (up to 105°C in low power dissipation state).
- How many I/Os does the STM32L151CBT6 have?
The device has 37 I/Os, including 5V tolerant I/Os.
- Does the STM32L151CBT6 support capacitive sensing?
- What is the package type of the STM32L151CBT6?
The package type is 48-LQFP.
