Overview
The STM32L071RBH6 is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L071xx family. It features the high-performance Arm Cortex-M0+ 32-bit RISC core operating at a frequency of up to 32 MHz. This microcontroller is designed for high power efficiency and is suitable for a wide range of applications requiring low power consumption.
The device includes a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals. It operates from a 1.65 V to 3.6 V power supply and is available in a -40 to +125 °C temperature range, making it versatile for various environmental conditions.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M0+ with MPU |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes with ECC (2 banks with read-while-write capability) |
| RAM | 20 Kbytes |
| EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to +125 °C |
| Standby Mode Current | 0.29 µA (3 wakeup pins) |
| Stop Mode Current | 0.43 µA (16 wakeup lines) |
| Stop Mode + RTC + RAM Retention Current | 0.86 µA |
| Run Mode Current | Down to 93 µA/MHz |
| Wakeup Time | 5 µs (from Flash memory) |
| ADC Conversion Current | 41 µA at 10 ksps |
| Package | TFBGA 64 5x5x1.2 P 0.5 mm |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
Key Features
- Ultra-low-power platform: Optimized for low power consumption with various low-power modes.
- Analog Peripherals: Includes a 12-bit ADC with hardware oversampling, two ultra-low-power comparators, and multiple timers.
- Communication Interfaces: Supports up to three I2Cs, two SPIs, one I2S, four USARTs, and a low-power UART.
- Clock Sources: Features multiple internal and external clock sources, including a high-speed internal 16 MHz RC oscillator and a 32 kHz oscillator for RTC.
- Reset and Supply Management: Includes ultra-safe, low-power BOR with 5 selectable thresholds, ultra-low-power POR/PDR, and a programmable voltage detector (PVD).
- Development Support: Supports serial wire debug and includes a pre-programmed bootloader.
- Environmental Compliance: All packages are ECOPACK2 compliant.
Applications
The STM32L071RBH6 is suitable for a variety of applications that require low power consumption and high performance, including:
- IoT Devices: Ideal for Internet of Things applications where power efficiency is crucial.
- Wearable Electronics: Suitable for wearable devices that need to operate for extended periods on a single charge.
- Industrial Automation: Can be used in industrial automation systems where low power and reliable operation are essential.
- Medical Devices: Applicable in medical devices that require low power consumption and high reliability.
- Consumer Electronics: Useful in consumer electronics such as smart home devices and energy-efficient appliances.
Q & A
- What is the core architecture of the STM32L071RBH6?
The STM32L071RBH6 features an Arm 32-bit Cortex-M0+ core with a memory protection unit (MPU).
- What is the maximum frequency of the STM32L071RBH6?
The maximum frequency is up to 32 MHz.
- What are the power supply voltage ranges for the STM32L071RBH6?
The device operates from 1.65 V to 3.6 V.
- What is the temperature range for the STM32L071RBH6?
The operating temperature range is -40 to +125 °C.
- What are the low-power modes available on the STM32L071RBH6?
The device supports Standby mode, Stop mode, and Stop mode with RTC and RAM retention, among others.
- What types of communication interfaces are supported by the STM32L071RBH6?
The device supports USART, I2C, SPI, I2S, and a low-power UART.
- Does the STM32L071RBH6 have any analog peripherals?
Yes, it includes a 12-bit ADC, two ultra-low-power comparators, and multiple timers.
- What is the package type for the STM32L071RBH6?
The package type is TFBGA 64 5x5x1.2 P 0.5 mm.
- Is the STM32L071RBH6 environmentally compliant?
Yes, all packages are ECOPACK2 compliant.
- What development tools are supported by the STM32L071RBH6?
The device supports serial wire debug and includes a pre-programmed bootloader.
- What are some typical applications for the STM32L071RBH6?
Typical applications include IoT devices, wearable electronics, industrial automation, medical devices, and consumer electronics.
