Overview
The STM32L031G6U6STR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L0 series. It is based on the Arm Cortex-M0+ core and is designed for applications requiring low power consumption and high performance. This MCU features a 32 MHz CPU and 32 Kbytes of Flash memory, making it suitable for a wide range of applications, including IoT devices, smart home appliances, and industrial automation.
Key Specifications
| Parameter | Value |
|---|---|
| Microcontroller Core | Arm Cortex-M0+ |
| Flash Memory | 32 Kbytes |
| CPU Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40 to 125 °C |
| Standby Mode Current | 0.23 µA (2 wakeup pins) |
| Stop Mode Current | 0.38 µA (16 wakeup lines) |
| Timers | 8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, and 2x watchdogs |
| I/Os (High Current) | 21 |
| Comparators | 2 |
| SPI | 1 |
| USART | 1 |
Key Features
- Ultra-low-power platform: Optimized for low power consumption with various sleep modes.
- Arm Cortex-M0+ core: High performance and efficiency.
- Multiple timers: Includes 16-bit timers, ultra-low-power timer, SysTick, RTC, and watchdogs.
- CRC calculation unit and unique ID: 96-bit unique ID for device identification.
- ECOPACK®2 compliant packages: Environmentally friendly packaging.
- Communication interfaces: SPI, USART, and I2S for versatile communication options.
Applications
- Internet of Things (IoT) devices: Ideal for low-power IoT applications such as sensors and actuators.
- Smart home appliances: Suitable for energy-efficient smart home devices.
- Industrial automation: Used in low-power industrial control systems and automation.
- Wearable devices: Perfect for wearable electronics requiring low power consumption.
- Medical devices: Can be used in medical devices that require low power and high reliability.
Q & A
- What is the core architecture of the STM32L031G6U6STR?
The STM32L031G6U6STR is based on the Arm Cortex-M0+ core.
- What is the maximum CPU frequency of the STM32L031G6U6STR?
The maximum CPU frequency is up to 32 MHz.
- What is the power supply range for the STM32L031G6U6STR?
The power supply range is from 1.65 V to 3.6 V.
- What are the operating temperature ranges for the STM32L031G6U6STR?
The operating temperature range is from -40 to 125 °C.
- How much current does the STM32L031G6U6STR consume in Standby mode?
The current consumption in Standby mode is 0.23 µA (with 2 wakeup pins).
- What types of timers are available on the STM32L031G6U6STR?
The MCU includes 8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC, and 2x watchdogs.
- How many high current I/Os does the STM32L031G6U6STR have?
The STM32L031G6U6STR has 21 high current I/Os.
- Does the STM32L031G6U6STR support SPI and USART interfaces?
Yes, it supports both SPI and USART interfaces.
- Is the STM32L031G6U6STR environmentally friendly?
Yes, it is ECOPACK®2 compliant, which means it is environmentally friendly.
- What are some typical applications for the STM32L031G6U6STR?
Typical applications include IoT devices, smart home appliances, industrial automation, wearable devices, and medical devices.
