Overview
The STM32L152RBH6A is an ultra-low-power microcontroller from STMicroelectronics, based on the ARM Cortex-M3 32-bit RISC core. This device is part of the STM32L series, known for its high performance and low power consumption. It operates at a frequency of up to 32 MHz and features a memory protection unit, high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals. The STM32L152RBH6A is designed to support a wide range of applications requiring low power and high performance.
Key Specifications
| Specification | Details |
|---|---|
| Core | ARM Cortex-M3 32-bit RISC CPU |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 128 Kbytes with ECC |
| RAM | Up to 32 Kbytes |
| EEPROM | Up to 4 Kbytes with ECC |
| Backup Register | 80 bytes |
| Power Supply | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +85 °C / -40 to +105 °C |
| Package | 64-pin TFBGA |
| Analog Peripherals | 12-bit ADC (up to 24 channels), 12-bit DAC (2 channels), 2 ultra-low-power comparators |
| Communication Interfaces | 1x 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 supporting touchkey, linear, and rotary touch sensors |
Key Features
- Ultra-low-power platform with multiple power-saving modes (Standby, Stop, Low-power run mode)
- High-performance ARM Cortex-M3 32-bit RISC core 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, I2Cs
- Integrated LCD controller (except for some models) with LCD voltage generator
- Up to 20 capacitive sensing channels for touch sensing functionality
- Real-time clock with sub-second counting and backup registers
- DMA controller with 7 channels and CRC calculation unit with 96-bit unique ID
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
Applications
- Low-power consumer electronics
- Industrial automation and control systems
- Medical devices requiring low power consumption
- Wireless sensor networks and IoT devices
- Automotive systems where low power and reliability are crucial
- Smart home devices and appliances
Q & A
- What is the core architecture of the STM32L152RBH6A?
The STM32L152RBH6A is based on the ARM Cortex-M3 32-bit RISC core.
- What is the maximum operating frequency of the STM32L152RBH6A?
The maximum operating frequency is up to 32 MHz.
- How much flash memory does the STM32L152RBH6A have?
The device has up to 128 Kbytes of flash memory with ECC.
- What are the power supply voltage ranges for the STM32L152RBH6A?
The device operates from 1.8 to 3.6 V (down to 1.65 V at power down).
- What are the key analog peripherals of the STM32L152RBH6A?
The device includes a 12-bit ADC, 12-bit DAC, and 2 ultra-low-power comparators.
- Does the STM32L152RBH6A support capacitive touch sensing?
Yes, it supports up to 20 capacitive sensing channels for touchkey, linear, and rotary touch sensors.
- What communication interfaces are available on the STM32L152RBH6A?
The device features 1x USB 2.0, 3x USARTs, 2x SPIs, and 2x I2Cs.
- What is the temperature range for the STM32L152RBH6A?
The device operates in the -40 to +85 °C / -40 to +105 °C temperature range.
- What is the package type of the STM32L152RBH6A?
The device is packaged in a 64-pin TFBGA.
- Does the STM32L152RBH6A have an integrated LCD controller?
Yes, it includes an integrated LCD controller with an LCD voltage generator (except for some models).
- What are the power-saving modes available on the STM32L152RBH6A?
The device features multiple power-saving modes including Standby, Stop, and Low-power run mode.
