STMicroelectronics

STM32L431RBI6  

Microcontrollers

The STM32L431RBI6 is a low-power microcontroller from STMicroelectronics' STM32L4 series. It is designed for a wide range of applications that require high energy efficiency and performance. Here's a description of the STM32L431RBI6, including its features and applications:

Description:

The STM32L431RBI6 is a 32-bit ARM Cortex-M4 CPU-based microcontroller that operates at a core frequency of up to 80 MHz. It is manufactured using a 65nm process technology, which contributes to its low-power consumption. This microcontroller is part of the high-performance STM32L4 series, known for its advanced features and energy efficiency.

Features:

1. Processor: 32-bit ARM Cortex-M4 CPU with FPU (Floating Point Unit), operating at a frequency of up to 80 MHz.
2. Memory: The STM32L431RBI6 features 192 KB of Flash memory and 64 KB of RAM.
3. Low Power: It offers a wide range of low-power modes that help in reducing power consumption, making it suitable for battery-operated devices.
4. Connectivity: It includes a variety of communication interfaces such as I2C, SPI, USART, and UART, allowing for easy integration with other devices and systems.
5. ADC: The microcontroller has a 16-bit advanced resolution ADC with up to 24 channels, suitable for various analog input requirements.
6. Timers: It includes timers that can be used for PWM generation, input capture, output compare, and more.
7. Security: The STM32L431RBI6 comes with security features like a unique 96-bit UID and protection against unauthorized code execution.
8. Package: The microcontroller is available in a 68-pin LQFP (Low Profile Quad Flat Package) package.

Applications:

1. Smart Meters: The STM32L431RBI6 is ideal for smart metering applications due to its low power consumption and advanced communication interfaces.
2. Portable Medical Devices: Given its low power consumption and high performance, it is suitable for portable medical devices that require precise measurements and long battery life.
3. Industrial Automation: The STM32L431RBI6 can be used in industrial automation systems for motor control, sensor interfacing, and data processing.
4. Home Automation: It can be employed in home automation systems for controlling lighting, HVAC, and security systems.
5. Energy Harvesting Applications: Due to its low power consumption, the STM32L431RBI6 is suitable for energy harvesting applications where energy is derived from renewable sources.
6. Wearable Devices: The microcontroller can be used in wearable devices for health monitoring, fitness tracking, and smartwatch applications.
7. IoT Devices: The STM32L431RBI6 is well-suited for IoT devices that require low power consumption, connectivity, and efficient data processing.

The STM32L431RBI6 is a versatile microcontroller that offers a balance of performance, energy efficiency, and advanced features, making it suitable for a wide range of applications across various industries.

STM32L431RBI6 Documents

Download datasheets and manufacturer documentation for STM32L431RBI6

Errata :

STM32L431xx Errata      

PCN Assembly/Origin :

STM32 Source 20/Aug/2023      

Datasheets :

STM32L431xx Datasheet      

Manuals :

STM32F3, F4, L4 Series Prog Manual      

Other Related Documents :

STM32L43, 44, 45, 46 Reference Manual      

HTML Datasheet :

STM32L431xx Datasheet       STM32F3, F4, L4 Series Prog Manual