Overview
The STM32L031C6U6TR is a highly efficient and versatile microcontroller from STMicroelectronics, part of the STM32L031 series. This ultra-low-power device is based on the Arm® 32-bit Cortex®-M0+ core, making it ideal for battery-powered applications in consumer electronics and industrial automation. The microcontroller offers excellent performance in a compact package, with extensive input/output capabilities and advanced features such as multiple communication interfaces and integrated analog peripherals.
Key Specifications
| Specification | Details |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | STM32L031C6U6TR |
| Core | Arm® 32-bit Cortex®-M0+ |
| Flash Memory | Up to 32 Kbytes |
| SRAM | 8 Kbytes |
| EEPROM | 1 Kbyte |
| Clock Speed | Up to 32 MHz |
| Power Supply | 1.65 V to 3.6 V |
| Temperature Range | -40 to 125 °C |
| Standby Mode Current | 0.25 µA (2 wakeup pins) |
| Stop Mode Current | 0.38 µA (16 wakeup lines) |
| Stop Mode + RTC + RAM Retention Current | 0.68 µA |
| Run Mode Current | Down to 76 µA/MHz |
| Wakeup Time | 5 µs (from Flash memory) |
| ADC Conversion Current | 41 µA (12-bit ADC at 10 ksps) |
| Package Type | UFQFPN48 7x7x0.55 mm |
Key Features
- Ultra-low-power platform: Low power consumption in Standby, Stop, and Run modes.
- Advanced Core: Arm® 32-bit Cortex®-M0+ core with up to 32 MHz clock speed.
- Memory: Up to 32 Kbytes of Flash memory, 8 Kbytes of SRAM, and 1 Kbyte of EEPROM.
- Analog Peripherals: 12-bit ADC with up to 10 channels, and 2 ultra-low-power comparators.
- Communication Interfaces: USART, SPI, I2C, UART (low power), and DMA controller supporting ADC, SPI, I2C, USART, and Timers.
- Timers and Watchdogs: Multiple timers including 16-bit timers, ultra-low-power timer, SysTick, RTC, and independent/window watchdogs.
- Clock Sources: Crystal oscillator, 32 kHz oscillator for RTC, high-speed internal 16 MHz RC, internal low-power 37 kHz RC, and PLL for CPU clock.
- Reset and Supply Management: Ultra-safe, low-power BOR (brownout reset), ultralow power POR/PDR, and programmable voltage detector (PVD).
- Development Support: Serial wire debug supported and pre-programmed bootloader.
Applications
The STM32L031C6U6TR is suitable for a wide range of applications, including:
- Battery-Powered Devices: Ideal for devices requiring low power consumption to extend battery life.
- Consumer Electronics: Used in various consumer electronics products that demand efficient processing and compact form factors.
- Industrial Automation: Suitable for industrial applications requiring reliable and efficient microcontrollers.
- Internet of Things (IoT): Perfect for IoT devices that need ultra-low power consumption and advanced communication interfaces.
- Wireless Connectivity Solutions: Used in wireless connectivity solutions that require low power and high performance.
Q & A
- What is the core architecture of the STM32L031C6U6TR?
The STM32L031C6U6TR is based on the Arm® 32-bit Cortex®-M0+ core.
- What is the maximum clock speed of the STM32L031C6U6TR?
The maximum clock speed is up to 32 MHz.
- What is the power supply range for the STM32L031C6U6TR?
The power supply range is from 1.65 V to 3.6 V.
- What is the temperature range for the STM32L031C6U6TR?
The temperature range is from -40 to 125 °C.
- What are the key analog peripherals of the STM32L031C6U6TR?
The key analog peripherals include a 12-bit ADC with up to 10 channels and 2 ultra-low-power comparators.
- What communication interfaces are supported by the STM32L031C6U6TR?
The microcontroller supports USART, SPI, I2C, UART (low power), and DMA controller.
- What are the standby and stop mode current consumptions of the STM32L031C6U6TR?
The standby mode current is 0.25 µA (2 wakeup pins), and the stop mode current is 0.38 µA (16 wakeup lines).
- What is the typical current consumption during ADC conversion?
The typical current consumption during 12-bit ADC conversion at 10 ksps is 41 µA.
- What development tools are supported by the STM32L031C6U6TR?
The microcontroller supports serial wire debug and has a pre-programmed bootloader.
- In what types of applications is the STM32L031C6U6TR commonly used?
The STM32L031C6U6TR is commonly used in battery-powered devices, consumer electronics, industrial automation, IoT devices, and wireless connectivity solutions.
