Overview
The STM32L031F6P6 is a microcontroller from STMicroelectronics, part of the ultra-low-power STM32L031x4/6 family. It features the high-performance ARM® Cortex®-M0+ 32-bit RISC core, operating at a frequency of up to 32 MHz. This MCU is designed for high power efficiency and is suitable for a wide range of applications requiring low power consumption.
The device includes high-speed embedded memories such as up to 32 Kbytes of Flash program memory, 1 Kbyte of data EEPROM, and 8 Kbytes of RAM. It also offers an extensive range of enhanced I/Os and peripherals, including several analog features and communication interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Core | ARM® 32-bit Cortex®-M0+ |
| Operating Frequency | Up to 32 MHz |
| Flash Memory | Up to 32 Kbytes |
| RAM | 8 Kbytes |
| EEPROM | 1 Kbyte |
| Power Supply | 1.65 V to 3.6 V |
| Operating Temperature | -40 to +125 °C |
| ADC | 12-bit, up to 10 channels |
| Comparators | 2 ultra-low-power comparators |
| Timers | 3 general-purpose 16-bit timers, 1 low-power timer (LPTIM), 1 RTC, 1 SysTick |
| Communication Interfaces | 1 I2C, 1 SPI, 1 USART, 1 low-power UART (LPUART) |
| Watchdogs | 1 independent watchdog, 1 window watchdog |
| I/Os | Up to 38 fast I/Os (31 I/Os 5V tolerant) |
Key Features
- Ultra-low-power platform with multiple power-saving modes, including Standby, Stop, and Run modes with low power consumption (e.g., 0.23 µA in Standby mode, 0.35 µA in Stop mode).
- High-performance ARM® Cortex®-M0+ core with up to 32 MHz frequency and 0.95 DMIPS/MHz performance.
- Rich analog peripherals, including a 12-bit ADC with hardware oversampling, and two ultra-low-power comparators.
- Comprehensive set of communication interfaces: I2C, SPI, USART, and low-power UART (LPUART).
- Multiple timers: three general-purpose 16-bit timers, one low-power timer (LPTIM), one RTC, and one SysTick.
- Two watchdogs: one independent watchdog and one window watchdog.
- Up to 38 fast I/Os, with 31 I/Os being 5V tolerant.
- Internal voltage adaptation and several low-power modes for high power efficiency.
Applications
The STM32L031F6P6 is suitable for a variety of low-power applications, including:
- Battery-powered devices and IoT applications requiring minimal power consumption.
- Industrial automation and control systems where low power and high reliability are crucial.
- Consumer electronics, such as smart home devices and wearables, that need efficient power management.
- Medical devices and healthcare equipment that require low power consumption and high performance.
- Automotive systems, particularly those requiring low power modes and robust performance.
Q & A
- What is the core architecture of the STM32L031F6P6?
The STM32L031F6P6 features the ARM® Cortex®-M0+ 32-bit RISC core.
- What is the operating frequency range of the STM32L031F6P6?
The operating frequency range is up to 32 MHz.
- What are the memory specifications of the STM32L031F6P6?
The device includes up to 32 Kbytes of Flash memory, 8 Kbytes of RAM, and 1 Kbyte of data EEPROM.
- What is the power supply range for the STM32L031F6P6?
The power supply range is from 1.65 V to 3.6 V.
- What are the key analog features of the STM32L031F6P6?
The device includes a 12-bit ADC with hardware oversampling and two ultra-low-power comparators.
- What communication interfaces are available on the STM32L031F6P6?
The device features one I2C, one SPI, one USART, and one low-power UART (LPUART).
- What are the power-saving modes available on the STM32L031F6P6?
The device offers multiple power-saving modes, including Standby, Stop, and Run modes with low power consumption.
- What is the operating temperature range of the STM32L031F6P6?
The operating temperature range is from -40 to +125 °C.
- How many I/Os does the STM32L031F6P6 have?
The device has up to 38 fast I/Os, with 31 I/Os being 5V tolerant.
- What are some typical applications for the STM32L031F6P6?
Typical applications include battery-powered devices, industrial automation, consumer electronics, medical devices, and automotive systems.
