Overview
The STM32L071RBH6TR 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, making it suitable for a wide range of applications requiring low power consumption. It includes a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals. The device operates from a 1.8 to 3.6 V power supply and is available in various packages, including TFBGA 64 and LQFP 64, ensuring flexibility in design and implementation.
Key Specifications
| Specification | Details |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| Frequency | Up to 32 MHz |
| Flash Memory | Up to 192 Kbytes with ECC (2 banks with read-while-write capability) |
| RAM | 20 Kbytes |
| Data EEPROM | 6 Kbytes with ECC |
| Backup Register | 20 bytes |
| Power Supply | 1.8 to 3.6 V (down to 1.65 V at power down) |
| Temperature Range | -40 to +125 °C |
| Low-Power Modes | Standby: 0.29 µA, Stop: 0.43 µA, Stop + RTC + 20-Kbyte RAM retention: 0.86 µA |
| ADC | 12-bit, up to 16 channels, 1.14 Msps |
| Comparators | 2 ultra-low-power comparators |
| Timers | 11 timers including 4 general-purpose 16-bit timers, 1 low-power timer, 1 RTC, and 2 watchdogs |
| Communication Interfaces | Up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, 1 low-power UART |
| Package | TFBGA 64 5x5x1.2 P 0.5 mm, LQFP 64 10x10x1.4 mm |
Key Features
- Ultra-low-power platform with multiple low-power modes (Standby, Stop, etc.)
- High-speed embedded memories: up to 192 Kbytes of Flash, 20 Kbytes of RAM, and 6 Kbytes of data EEPROM
- Rich analog peripherals: 12-bit ADC, ultra-low-power comparators, and multiple timers
- Extensive communication interfaces: I2C, SPI, I2S, USART, and low-power UART
- Real-time clock and backup registers for persistent data storage
- Programmable voltage detector (PVD) and ultra-safe, low-power BOR (brownout reset)
- Support for serial wire debug and pre-programmed bootloader
- ECOPACK2 compliant packages ensuring environmental sustainability
Applications
The STM32L071RBH6TR is suitable for a variety of low-power applications, including:
- IoT devices and smart sensors
- Wearable electronics and health monitoring devices
- Industrial automation and control systems
- Consumer electronics requiring low power consumption
- Automotive systems, especially those needing high reliability and low power
Q & A
- What is the core architecture of the STM32L071RBH6TR?
The STM32L071RBH6TR features the Arm 32-bit Cortex-M0+ RISC core.
- What is the maximum operating frequency of the STM32L071RBH6TR?
The maximum operating frequency is up to 32 MHz.
- What are the power supply requirements for the STM32L071RBH6TR?
The device operates from a 1.8 to 3.6 V power supply (down to 1.65 V at power down).
- What are the low-power modes available on the STM32L071RBH6TR?
The device supports Standby, Stop, and Stop + RTC + 20-Kbyte RAM retention modes.
- What analog peripherals are available on the STM32L071RBH6TR?
The device includes a 12-bit ADC, ultra-low-power comparators, and multiple timers.
- What communication interfaces does the STM32L071RBH6TR support?
The device supports up to 3 I2Cs, 2 SPIs, 1 I2S, 4 USARTs, and 1 low-power UART.
- Does the STM32L071RBH6TR have a real-time clock?
Yes, the device includes a real-time clock and backup registers.
- What is the temperature range for the STM32L071RBH6TR?
The device operates in the -40 to +125 °C temperature range.
- Is the STM32L071RBH6TR environmentally friendly?
Yes, the device is packaged in ECOPACK2 compliant packages.
- What development tools are available for the STM32L071RBH6TR?
The device supports serial wire debug and has a pre-programmed bootloader.
- What are some typical applications for the STM32L071RBH6TR?
The device is suitable for IoT devices, wearable electronics, industrial automation, consumer electronics, and automotive systems.
