Overview
The STM32L151RBH6TTR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L1 series. It features the high-performance ARM® Cortex®-M3 32-bit RISC core operating at a frequency of 32 MHz (33.3 DMIPS). This microcontroller is designed for low-power applications and integrates a range of advanced peripherals and communication interfaces.
The device includes high-speed embedded memories such as up to 128 Kbytes of Flash memory, up to 16 Kbytes of RAM, and up to 4 Kbytes of true EEPROM with ECC. It also features a memory protection unit (MPU) and an extensive range of enhanced I/Os and peripherals connected to two APB buses.
Key Specifications
| Parameter | Value |
|---|---|
| Part Number | STM32L151RBH6TTR |
| Core Processor | ARM® Cortex®-M3 32-bit |
| Clock Speed | 32 MHz |
| Flash Memory | Up to 128 Kbytes |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Operating Voltage | 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-TFBGA (5x5 mm) |
| Number of I/Os | 51 |
| ADC | 12-bit, 20 channels |
| DAC | 2 x 12-bit |
| Timers | 6 x 16-bit, 2 x basic timers |
| Comparators | 2 ultra-low-power comparators |
| SPI | Up to 2 |
| USART | Up to 3 |
| USB | Available |
| Capacitive Sensing Channels | Up to 20 |
Key Features
- Ultra-low-power consumption with multiple power-saving modes.
- High-performance ARM® Cortex®-M3 32-bit RISC core operating at 32 MHz.
- High-speed embedded memories: up to 128 Kbytes Flash, up to 16 Kbytes RAM, and up to 4 Kbytes EEPROM with ECC.
- Memory protection unit (MPU) for enhanced security.
- Extensive range of enhanced I/Os and peripherals connected to two APB buses.
- Advanced communication interfaces: up to two I²Cs, SPIs, three USARTs, and a USB.
- Integrated LCD controller (except for some models) with built-in LCD voltage generator.
- Real-time clock with sub-second counting and backup registers.
- Up to 20 capacitive sensing channels for touch sensing functionality.
- Support for direct memory access (DMA), pulse width modulation (PWM), and watchdog timer (WDT).
Applications
- Consumer Electronics: Ideal for low-power consumer devices such as smart home appliances and wearables.
- Industrial Control Systems: Suitable for industrial automation and control systems requiring low power consumption.
- Internet of Things (IoT) Devices: Perfect for IoT applications that demand low power and high performance.
- Medical Equipment: Used in medical devices that require reliable and low-power operation.
- Energy Management: Applied in energy management systems to optimize power usage.
- Automotive Applications: Used in various automotive systems where low power and high reliability are crucial.
Q & A
- What is the core processor of the STM32L151RBH6TTR?
The core processor is the ARM® Cortex®-M3 32-bit RISC core.
- What is the clock speed of the STM32L151RBH6TTR?
The clock speed is 32 MHz.
- How much Flash memory does the STM32L151RBH6TTR have?
It has up to 128 Kbytes of Flash memory.
- What is the operating voltage range of the STM32L151RBH6TTR?
The operating voltage range is from 1.8 V to 3.6 V (down to 1.65 V at power down).
- What is the operating temperature range of the STM32L151RBH6TTR?
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 STM32L151RBH6TTR available in?
It is available in a 64-TFBGA (5x5 mm) package.
- How many I/Os does the STM32L151RBH6TTR have?
It has 51 I/Os.
- What communication interfaces does the STM32L151RBH6TTR support?
It supports up to two I²Cs, SPIs, three USARTs, and a USB.
- Does the STM32L151RBH6TTR have capacitive sensing capabilities?
Yes, it offers up to 20 capacitive sensing channels.
- Is the STM32L151RBH6TTR RoHS compliant?
Yes, it is RoHS compliant.
