Part Number: STM32L031F6P6

Manufacturer: STMicroelectronics

Description: IC MCU 32BIT 32KB FLASH 20TSSOP

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of STM32L031F6P6

Datasheet  STM32L031F6P6 datasheet
Category Integrated Circuits (ICs)
Family Embedded – Microcontrollers
Manufacturer STMicroelectronics
Series STM32 L0
Packaging Tray
Part Status Active
Core Processor ARM? Cortex?-M0+
Core Size 32-Bit
Speed 32MHz
Connectivity I2C, IrDA, LIN, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 15
Program Memory Size 32KB (32K x 8)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 8K x 8
Voltage – Supply (Vcc/Vdd) 1.8 V ~ 3.6 V
Data Converters A/D 10x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 20-TSSOP (0.173″, 4.40mm Width)
Supplier Device Package 20-TSSOP

STM32L031F6P6 Introduction

Unleash the power of efficiency with the STM32L031F6P6 microcontroller. With its high-performance ARM Cortex-M0+ core and extensive range of enhanced I/Os and peripherals, this microcontroller is a game-changer for low-power applications. Experience the perfect blend of performance and energy optimization, making your projects smarter, sleeker, and more sustainable. Get ready to revolutionize the world of low-power design with the STM32L031F6P6 microcontroller.

STM32L031F6P6 Architecture and Memory

Numerous essential features are included in the STM32L031F6P6 microcontroller to maximize performance and power efficiency. It has embedded memories with up to 32 KB of Flash program memory, giving your application code plenty of room. It also provides 8 Kbytes of RAM and 1 kbyte of data EEPROM, enabling effective data manipulation and storage.

The STM32L031F6P6 offers a variety of clock sources, both internal and external, to further improve power efficiency, giving you the freedom to choose the option that is best for your application. Internal voltage adaptation is also incorporated, ensuring optimal power consumption based on operating circumstances.

The microcontroller provides a number of low-power modes that let you save a lot of energy. These modes, along with the STM32L031F6P6’s effective clock and voltage management, make it the perfect option for battery-operated and energy-conscious applications. You can maximize power efficiency without sacrificing performance by utilizing these features.

STM32L031F6P6 Analog Features and Timers

The STM32L031F6P6 microcontroller does a great job with analog and timer functions, giving your program a wide range of options.

On the physical side, it has a 12-bit ADC with oversampling done by the hardware. This lets you convert analog signals to digital ones in an exact and accurate way, so you can record and process analog signals with high fidelity. Also, the microcontroller has ultra-low-power comparators, which make it possible to compare voltages easily while using as little power as possible.

The STM32L031F6P6 gives you a lot of choices when it comes to timers. It has a low-power timer (LPTIM) that is made for uses that are sensitive to power but need precise timing. This timer has a low-power mode that lets you set accurate times while using as little energy as possible.

Also, the microcontroller has 16-bit timers that can be used for many different timing and control jobs. These timers can be used in many different ways to meet the needs of your program. The timekeeping and timebase functions are also made better by the addition of a real-time clock (RTC) and the SysTick timer.

With the STM32L031F6P6’s analog features and timers, you can easily handle analog inputs, time events accurately, and make sure they happen at the same time.

Communication Interfaces

The STM32L031F6P6 microcontroller has many communication ports that make it easy to send and receive data. It comes with ports for I2C, SPI, USART, and low-power UART (LPUART). These interfaces make it easy for peripheral devices to talk to each other. They handle different protocols and communication modes. The STM32L031F6P6 can meet the needs of your application, whether you need multi-master communication, high-speed synchronous sharing, or low-power operation.

Real-Time Clock and Backup Registers

The STM32L031F6P6 microcontroller has a real-time clock (RTC) built in. This makes it possible to keep the correct time. With the RTC, the system can keep track of the time, date, and calendar events. This makes it good for apps that need to know the exact time.

The STM32L031F6P6 also has a set of backup registers that stay active even when the board is in Standby mode. These backup registers let the microcontroller keep important data, like configuration settings or sensor calibration values. This makes sure that the data is safe and that the system can be quickly brought back to life when it comes out of Standby mode. The microprocessor is more reliable and flexible because it has backup registers. This makes it a good choice for applications that need to store data even when the power is low.

Power Supply and Power-Saving Modes

The STM32L031F6P6 microcontroller can work with voltages from 1.8V to 3.6V, and in power-down mode, it can work with voltages as low as 1.65V. This wide range of voltage gives power supply choices that can be used for a variety of applications.

The STM32L031F6P6 has a lot of power-saving modes, which is one of its best benefits. These modes make it possible to control power efficiently and make low-power applications. The microcontroller has several low-power modes, such as Sleep, Stop, and Standby, which greatly lower the amount of power used when the device is not being used. By using these power-saving modes well, app makers can make their apps use less power and last longer on a single charge. This makes the STM32L031F6P6 a great choice for energy-efficient designs.

STM32L031F6P6 Applications and Use Cases

The STM32L031F6P6 microcontroller is used in a wide range of businesses and devices where performance and power efficiency are very important. Some famous examples include:

  • Internet of Things (IoT): The STM32L031F6P6 is a good choice for IoT devices that need a long battery life and good power control. It is a great choice for making IoT nodes, sensors, and edge devices because it uses little power, has a lot of peripherals, and has a lot of ways to talk to other devices.
  • Wearables: The STM32L031F6P6 is a good choice for wearable devices like fitness trackers, smartwatches, and health tracking devices because it uses little power and is small. It speeds up processing and data collection from sensors while making the best use of power for longer use times.
  • Battery-powered devices: The power-saving features of the microcontroller make it perfect for battery-powered devices that need to work for a long time. This includes, among other things, small medical devices, meters you can hold in your hand, wireless sensor networks, and remote-control systems.
  • Home Automation: The STM32L031F6P6 can be used to control and watch different smart devices in home automation systems. It uses less energy because it uses less power, and its communication interfaces make it easy for it to connect to other devices in the smart home environment.

In a smart building, for example, there is an IoT-based system for monitoring the surroundings. The STM32L031F6P6 microcontroller did a good job of collecting data from a number of sensors, talking to a central computer through its built-in communication interfaces, and controlling the amount of power used. This led to a strong and energy-efficient way to track real-time temperature, humidity, and air quality.

These examples show how well the STM32L031F6P6 microcontroller works in different businesses and applications to save power and improve performance.


The STM32L031F6P6 microcontroller is great for low-power uses because it has powerful features and benefits. It has a high-performance ARM Cortex-M0+ core, a lot of I/Os, and built-in storage that make it flexible and useful. It works well with IoT, wearables, and products that run on batteries.

Contact ICRFQ, a top distributor of electronic parts in China, to find out more about the STM32L031F6P6 and to buy one. Check out what the STM32L031F6P6 can do for your low-power projects. Use its features to make applications that work well and are quick. It’s easy to adopt because it’s available from trusted distributors. With the STM32L031F6P6, you can use low-power electronics in your designs.

For more information and to order the TXS0104ERGYR, contact ICRFQ, a leading electronic component distributor in China. Unlock the potential of this device and create robust electronic systems. Explore its capabilities and leverage its versatility for seamless voltage level translation in your designs.

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