Overview
The STM32L151CBU6 is an ultra-low-power microcontroller from STMicroelectronics, based on the 32-bit ARM Cortex-M3 core. It operates at a frequency of 32 MHz and is designed for high-performance and low-power embedded applications. The device features a comprehensive set of peripherals, including high-speed embedded memories, advanced communication interfaces, and a rich set of analog and digital peripherals. This microcontroller is suitable for a wide range of applications, including industrial controls, consumer electronics, and Internet of Things (IoT) devices.
Key Specifications
| Parameter | Specification |
|---|---|
| Core Processor | 32-bit ARM Cortex-M3 |
| Core Speed | 32 MHz |
| Program Memory | 128 KB Flash with ECC |
| RAM | 16 KB |
| EEPROM | 4 KB with ECC |
| Backup Register | 80 bytes |
| Supply Voltage | 1.8 V to 3.6 V |
| Operating Temperature | -40°C to 85°C |
| Package | 48-UFQFPN (7x7 mm) |
| I/Os | 37 programmable I/O pins |
| Analog Peripherals | 12-bit ADC (16 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, 2x basic timers, 2x watchdog timers |
| Capacitive Sensing Channels | Up to 20 channels |
Key Features
- Ultra-low-power consumption, making it suitable for battery-operated devices.
- High-performance ARM Cortex-M3 core operating at 32 MHz.
- Rich set of peripherals including 12-bit ADC, 12-bit DAC, ultra-low-power comparators, and multiple communication interfaces.
- Support for I2C, IrDA, LINbus, SPI, UART/USART, and USB.
- Up to 20 capacitive sensing channels for touch sensing functionality.
- Real-time clock and backup registers for power management.
- Comprehensive set of power-saving modes for low-power applications.
- Compatibility with existing ARM Cortex-M3 development environments.
Applications
- Industrial controls and automation.
- Consumer electronics such as smart home devices and appliances.
- Internet of Things (IoT) devices requiring low power and high performance.
- Medical devices and healthcare equipment.
- Automotive systems and telematics.
Q & A
- What is the core processor of the STM32L151CBU6?
The core processor is a 32-bit ARM Cortex-M3.
- What is the maximum operating frequency of the STM32L151CBU6?
The maximum operating frequency is 32 MHz.
- How much program memory does the STM32L151CBU6 have?
The STM32L151CBU6 has 128 KB of Flash memory with ECC.
- What is the range of supply voltage for the STM32L151CBU6?
The supply voltage range is from 1.8 V to 3.6 V.
- What are the operating temperature ranges for the STM32L151CBU6?
The operating temperature range is from -40°C to 85°C.
- What types of communication interfaces does the STM32L151CBU6 support?
The device supports USB 2.0, USARTs, SPIs, and I2Cs.
- Does the STM32L151CBU6 have capacitive sensing capabilities?
Yes, it supports up to 20 capacitive sensing channels.
- What is the package type of the STM32L151CBU6?
The package type is 48-UFQFPN (7x7 mm).
- Is the STM32L151CBU6 suitable for battery-operated devices?
Yes, it is designed for ultra-low-power consumption, making it suitable for battery-operated devices.
- What are some common applications of the STM32L151CBU6?
Common applications include industrial controls, consumer electronics, and IoT devices.
