Overview
The STM32L031G4U6TR is part of the STM32L031x4/6 family of ultra-low-power microcontrollers from STMicroelectronics. This device is built around the high-performance ARM® Cortex®-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. It is designed to provide high power efficiency and is suitable for a wide range of applications, particularly those requiring low power consumption.
The STM32L031G4U6TR features high-speed embedded memories, including up to 32 Kbytes of Flash program memory, 1 Kbyte of data EEPROM, and 8 Kbytes of RAM. The device also includes an extensive range of enhanced I/Os and peripherals, such as analog features, timers, and communication interfaces.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | ARM® 32-bit Cortex®-M0+ |
| Operating Frequency | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Flash Memory | Up to 32 Kbytes |
| RAM | 8 Kbytes |
| EEPROM | 1 Kbyte |
| ADC | 12-bit, up to 10 channels |
| Comparators | 2 ultra-low-power comparators |
| Timers | 3 x 16-bit timers, 1 x 16-bit ultra-low-power timer, 1 x RTC, 1 x SysTick, 2 x watchdogs |
| Communication Interfaces | 1 x USART, 1 x UART (low power), 1 x SPI, 1 x I2C |
| I/Os | Up to 38 fast I/Os (31 I/Os 5V tolerant) |
| Low-Power Modes | Standby mode: 0.23 µA, Stop mode: 0.35 µA, Stop mode + RTC + 8 KB RAM retention: 0.6 µA |
| Package | UFQFPN28 4x4 mm |
Key Features
- Ultra-Low Power Consumption: The device features several low-power modes, including Standby, Stop, and Sleep modes, making it ideal for battery-powered applications.
- High-Performance Core: The ARM® Cortex®-M0+ core operates at up to 32 MHz and provides high efficiency.
- Advanced Analog Peripherals: Includes a 12-bit ADC with hardware oversampling, two ultra-low-power comparators, and multiple timers.
- Communication Interfaces: Supports USART, UART (low power), SPI, and I2C interfaces.
- Extensive I/O Capabilities: Up to 38 fast I/Os, with 31 I/Os being 5V tolerant.
- Real-Time Clock and Backup Registers: Features a real-time clock and a set of backup registers that remain powered in Standby mode.
- Development Support: Includes serial wire debug support and a pre-programmed bootloader.
Applications
- Battery-Powered Devices: Ideal for consumer electronics and industrial automation applications where low power consumption is critical.
- IoT and Smart Devices: Suitable for Internet of Things (IoT) and smart applications due to its low power and high performance.
- Industrial Automation: Used in various industrial automation applications requiring reliable and efficient microcontrollers.
- Consumer Electronics: Applied in a wide range of consumer electronics, such as wearables, smart home devices, and more.
Q & A
- What is the core architecture of the STM32L031G4U6TR?
The core architecture is based on the ARM® 32-bit Cortex®-M0+.
- What is the operating frequency of the STM32L031G4U6TR?
The operating frequency is up to 32 MHz.
- What is the power supply range for the STM32L031G4U6TR?
The power supply range is from 1.65 V to 3.6 V.
- What is the temperature range for the STM32L031G4U6TR?
The temperature range is from -40 to 125 °C.
- What types of memory does the STM32L031G4U6TR have?
The device has up to 32 Kbytes of Flash memory, 8 Kbytes of RAM, and 1 Kbyte of data EEPROM.
- What are the low-power modes available on the STM32L031G4U6TR?
The device features Standby, Stop, and Sleep modes, with power consumption as low as 0.23 µA in Standby mode.
- What communication interfaces are supported by the STM32L031G4U6TR?
The device supports USART, UART (low power), SPI, and I2C interfaces.
- Does the STM32L031G4U6TR have any analog peripherals?
Yes, it includes a 12-bit ADC with hardware oversampling and two ultra-low-power comparators.
- What is the package type of the STM32L031G4U6TR?
The package type is UFQFPN28 4x4 mm.
- Is the STM32L031G4U6TR suitable for IoT applications?
Yes, it is highly suitable for IoT and smart applications due to its ultra-low power consumption and high performance.
