Overview
The STM32L071RBT6TR 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. It includes a memory protection unit (MPU), high-speed embedded memories, and an extensive range of enhanced I/Os and peripherals.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm Cortex-M0+ 32-bit RISC core |
| 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 |
| I/Os | Up to 84 fast I/Os (78 I/Os 5V tolerant) |
| Power Supply | 1.8 to 3.6 V (down to 1.65 V at power down with BOR) |
| Temperature Range | -40 to +125 °C |
| Clock Sources | 1 to 25 MHz crystal oscillator, 32 kHz oscillator for RTC, high speed internal 16 MHz RC, internal low-power 37 kHz RC, internal multispeed low-power 65 kHz to 4.2 MHz RC |
| Communication Interfaces | USART, I2C, SPI |
| Timers | 6 x 16-bit timers |
| Comparators | 2 |
| I2S | 1 |
Key Features
- Ultra-low-power design with multiple power-saving modes.
- High-performance Arm Cortex-M0+ 32-bit RISC core.
- Extensive range of enhanced I/Os and peripherals.
- High-speed embedded memories including Flash, RAM, and data EEPROM.
- Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds.
- Programmable voltage detector (PVD) and ultra-low-power POR/PDR.
- Support for USART, I2C, SPI, and I2S communication interfaces.
- Serial wire debug supported.
- Pre-programmed bootloader.
Applications
The STM32L071RBT6TR is suitable for a variety of low-power applications, including:
- IoT devices and smart home appliances.
- Wearable electronics and health monitoring devices.
- Industrial automation and control systems.
- Automotive systems requiring low power consumption.
- Consumer electronics such as remote controls and gaming devices.
Q & A
- What is the core architecture of the STM32L071RBT6TR?
The STM32L071RBT6TR features the Arm Cortex-M0+ 32-bit RISC core. - What is the maximum operating frequency of the STM32L071RBT6TR?
The maximum operating frequency is up to 32 MHz. - How much Flash memory does the STM32L071RBT6TR have?
The STM32L071RBT6TR has up to 192 Kbytes of Flash memory with ECC. - What is the power supply range for the STM32L071RBT6TR?
The power supply range is from 1.8 to 3.6 V (down to 1.65 V at power down with BOR). - What are the communication interfaces supported by the STM32L071RBT6TR?
The STM32L071RBT6TR supports USART, I2C, SPI, and I2S communication interfaces. - Does the STM32L071RBT6TR have any power-saving features?
Yes, it has multiple power-saving modes, including ultra-low-power BOR, PVD, and POR/PDR. - What is the temperature range for the STM32L071RBT6TR?
The operating temperature range is -40 to +125 °C. - Does the STM32L071RBT6TR support serial wire debug?
Yes, it supports serial wire debug. - What types of timers are available on the STM32L071RBT6TR?
The STM32L071RBT6TR has 6 x 16-bit timers. - Is there a pre-programmed bootloader on the STM32L071RBT6TR?
Yes, it has a pre-programmed bootloader.
