Overview
The STM32L151RBH6D is an ultra-low-power 32-bit microcontroller from STMicroelectronics, based on the ARM® Cortex®-M3 core. This device is part of the STM32L1 series, known for its high performance and energy efficiency. The STM32L151RBH6D integrates a wide range of peripherals and interfaces, making it suitable for various applications requiring low power consumption and high functionality.
The microcontroller operates at a frequency of up to 32 MHz and features a comprehensive set of power-saving modes, including Standby, Stop, and Low-power run modes, ensuring minimal energy consumption. It is available in a 64-pin BGA package, offering a compact footprint for space-constrained designs.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Power Supply | 1.8 V to 3.6 V (down to 1.65 V at power down) |
| Operating Temperature | -40°C to 85°C (extended to 105°C in low power dissipation state) |
| Package | 64-pin BGA |
| I/Os | Up to 83 fast I/Os (73 I/Os 5V tolerant) |
| Analog Peripherals | 12-bit ADC (up to 24 channels), 2x 12-bit DACs, 2x 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 |
| Capacitive Sensing Channels | Up to 20 channels |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run)
- High-performance ARM® Cortex®-M3 core operating at up to 32 MHz
- Comprehensive set of peripherals including ADC, DAC, comparators, timers, and communication interfaces (USB, USART, SPI, I2C)
- Integrated LCD controller (except for STM32L151x6/8/B devices)
- Up to 20 capacitive sensing channels for touch sensing functionality
- Real-time clock and backup registers
- Robust and reliable 64-pin BGA package
- Support for development tools, software stacks, and ecosystem partners
Applications
- Wearable and portable devices
- Industrial automation and control systems
- Medical and healthcare equipment
- Home and building automation
- Internet of Things (IoT) applications
Q & A
- What is the core architecture of the STM32L151RBH6D?
The STM32L151RBH6D is based on the ARM® Cortex®-M3 32-bit core.
- What is the maximum operating frequency of the STM32L151RBH6D?
The maximum operating frequency is up to 32 MHz.
- How much flash memory does the STM32L151RBH6D have?
The STM32L151RBH6D has up to 128 Kbytes of flash memory with ECC.
- What is the power supply range for the STM32L151RBH6D?
The power supply range is from 1.8 V to 3.6 V (down to 1.65 V at power down).
- What are the key analog peripherals of the STM32L151RBH6D?
The key analog peripherals include a 12-bit ADC, 2x 12-bit DACs, and 2x ultra-low-power comparators.
- Does the STM32L151RBH6D support capacitive sensing?
- What communication interfaces are available on the STM32L151RBH6D?
The available communication interfaces include USB 2.0, 3x USARTs, 2x SPIs, and 2x I2Cs.
- What is the operating temperature range of the STM32L151RBH6D?
The operating temperature range is from -40°C to 85°C (extended to 105°C in low power dissipation state).
- What package type is the STM32L151RBH6D available in?
The STM32L151RBH6D is available in a 64-pin BGA package.
- Is the STM32L151RBH6D compatible with various development tools and ecosystems?
