Overview
The STM32L152RBH6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L series. It integrates the high-performance ARM® Cortex®-M3 32-bit RISC core, operating at a frequency of up to 32 MHz (33.3 DMIPS). This device is designed for applications requiring low power consumption and high performance, making it suitable for a wide range of uses, including industrial, medical, and consumer electronics.
The microcontroller features a comprehensive set of peripherals, including a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and communication interfaces. It also includes power-saving modes, a real-time clock, and backup registers, ensuring efficient and reliable operation.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® Cortex®-M3 32-bit CPU, up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 16 Kbytes |
| EEPROM | Up to 4 Kbytes of true EEPROM with ECC |
| Backup Register | 80-byte backup register |
| Power Supply | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40°C to +85°C / +105°C in low power dissipation state |
| ADC | 12-bit ADC, up to 24 channels |
| DAC | 12-bit DAC, 2 channels with output buffers |
| Timers | 6 general-purpose 16-bit timers, 2 basic timers, 2 watchdog timers |
| Communication Interfaces | Up to 2 I2Cs, 2 SPIs, 3 USARTs, 1 USB 2.0 |
| Capacitive Sensing Channels | Up to 20 channels |
| Package | TFBGA 64 5x5x1.2 P 0.5 mm |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run, etc.)
- High-performance ARM® Cortex®-M3 32-bit CPU with up to 32 MHz frequency
- Memory protection unit (MPU) and reset and supply management
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
- 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, I2Cs
- Up to 20 capacitive sensing channels for touch sensing functionality
- Integrated LCD controller (except STM32L151x/6/8/B devices) with built-in LCD voltage generator
- Real-time clock with sub-second counting and backup registers
- DMA controller with 7 channels and CRC calculation unit with 96-bit unique ID
Applications
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Consumer electronics such as smart home devices and wearables
- IoT devices and sensor networks
- Automotive systems, especially those requiring low power and high reliability
- Energy metering and smart grid applications
Q & A
- What is the core architecture of the STM32L152RBH6?
The STM32L152RBH6 features an ARM® Cortex®-M3 32-bit RISC core.
- What is the maximum frequency of the CPU?
The CPU operates at a maximum frequency of 32 MHz.
- How much Flash memory does the STM32L152RBH6 have?
The device has up to 128 Kbytes of Flash memory with ECC.
- What are the power-saving modes available on this microcontroller?
The device features multiple power-saving modes including Standby, Stop, Low-power run, and more.
- Does the STM32L152RBH6 support USB?
- What is the temperature range for the STM32L152RBH6?
The device operates in the -40°C to +85°C / +105°C temperature range.
- How many capacitive sensing channels does the STM32L152RBH6 have?
The device offers up to 20 capacitive sensing channels.
- Does the STM32L152RBH6 have an integrated LCD controller?
- What are the communication interfaces available on the STM32L152RBH6?
The device includes USB 2.0, USARTs, SPIs, and I2Cs.
- Is the STM32L152RBH6 RoHS compliant?
