Overview
The STM32L031G6U6 is a microcontroller unit (MCU) from STMicroelectronics, part of the STM32L0 series. This ultra-low-power MCU is based on the Arm Cortex-M0+ core and is designed for applications requiring low energy consumption and high performance. The device operates within a voltage range of 1.65 V to 3.6 V and can function in temperatures from -40 °C to 125 °C, making it suitable for a wide range of environments.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm 32-bit Cortex-M0+ |
| Flash Memory | Up to 32 KB |
| SRAM | 8 KB |
| EEPROM | 1 KB |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40 °C to 125 °C |
| 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 |
| ADC | 12-bit ADC up to 10 channels |
| Comparators | 2 ultra-low-power comparators |
| Communication Interfaces | 1x USART, 1x UART, 1x SPI, 1x I2C |
| I/Os | Up to 38 fast I/Os (31 I/Os 5V tolerant) |
| Package | UFQFPN28 4x4 mm |
Key Features
- Ultra-low-power platform with various low-power modes (Standby, Stop, etc.)
- Low power consumption: down to 76 µA/MHz in Run mode, 0.23 µA in Standby mode, and 0.35 µA in Stop mode
- Fast wakeup time of 5 µs from Flash memory
- Rich analog peripherals including 12-bit ADC and ultra-low-power comparators
- 7-channel DMA controller supporting ADC, SPI, I2C, USART, and Timers
- CRC calculation unit and 96-bit unique ID
- All packages are ECOPACK®2 compliant
Applications
- IoT devices requiring low power consumption
- Industrial automation and control systems
- Medical devices and health monitoring systems
- Consumer electronics such as smart home devices and wearables
- Automotive systems, especially those requiring low power and high reliability
Q & A
- What is the core architecture of the STM32L031G6U6?
The STM32L031G6U6 is based on the Arm 32-bit Cortex-M0+ core.
- What is the operating voltage range of the STM32L031G6U6?
The operating voltage range is from 1.65 V to 3.6 V.
- What are the key low-power modes of the STM32L031G6U6?
The key low-power modes include Standby, Stop, and Stop with RTC and RAM retention.
- How many timers does the STM32L031G6U6 have?
The device has 8 timers, including 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.
- What communication interfaces are available on the STM32L031G6U6?
The device features 1x USART, 1x UART, 1x SPI, and 1x I2C.
- How many I/Os does the STM32L031G6U6 have?
The device has up to 38 fast I/Os, with 31 I/Os being 5V tolerant.
- What is the package type of the STM32L031G6U6?
The package type is UFQFPN28 4x4 mm.
- Is the STM32L031G6U6 environmentally friendly?
Yes, all packages are ECOPACK®2 compliant.
- What is the typical current consumption in Run mode?
The typical current consumption in Run mode is down to 76 µA/MHz.
- How fast is the wakeup time from Flash memory?
The wakeup time from Flash memory is 5 µs.
