STMicroelectronics

STM32L431RBT6  

Microcontrollers

The STM32L431RBT6 is a low-power microcontroller from STMicroelectronics' STM32L4 series. It is based on the high-performance Arm Cortex-M4 processor with an FPU and runs at a maximum frequency of 80 MHz. The STM32L431RBT6 is designed for a wide range of applications that require low power consumption, high performance, and advanced connectivity features.

Description:

The STM32L431RBT6 is a System-on-Chip (SoC) that integrates a Cortex-M4 CPU with an FPU, memory, and various peripherals. It is part of the STM32L4+ series, which is known for its ultra-low-power consumption and high performance.

Features:

1. CPU: Arm Cortex-M4 with FPU, running at a maximum frequency of 80 MHz.
2. Memory: 256 KB of Flash memory, 64 KB of SRAM, and 4 KB of backup SRAM.
3. Power Management: Ultra-low-power modes, including Stop, Standby, and Shutdown modes, to extend battery life in portable devices.
4. Connectivity: USB Type-C interface, advanced control with LPTIM, and high-resolution timer peripherals.
5. Communication Interfaces: Two I2C interfaces, three SPI interfaces, and four UART/USART interfaces.
6. Analog-to-Digital Converter (ADC): 1.2 MSPS, 16-bit with up to 24 channels.
7. Digital-to-Analog Converter (DAC): 12-bit with two channels.
8. GPIO: 41 I/O ports with various alternate functions.
9. Security: Secure boot, hardware unique key, and hardware crypto modules.
10. Package: 64-pin LQFP (STM32L431RBT6).

Applications:

1. Battery-operated devices: Due to its ultra-low-power consumption, the STM32L431RBT6 is suitable for portable devices like fitness trackers, smart watches, and health care equipment.
2. Smart sensors: The STM32L431RBT6 can be used in smart sensors for industrial automation, environmental monitoring, and building automation systems.
3. Medical devices: For portable and wearable medical devices, such as glucometers, heart rate monitors, and blood pressure monitors.
4. Home automation: The microcontroller can be used in smart home devices, like smart thermostats, lighting control systems, and energy management systems.
5. IoT devices: The STM32L431RBT6 is suitable for Internet of Things (IoT) devices that require low power consumption and advanced connectivity features.
6. Industrial control: The microcontroller can be used in industrial control systems, such as motor control, actuators, and industrial gateways.

The STM32L431RBT6 is a versatile and powerful microcontroller that can be used in a wide range of applications where low power consumption, high performance, and advanced connectivity features are required.

STM32L431RBT6 Documents

Download datasheets and manufacturer documentation for STM32L431RBT6

PCN :

PROCESS CHANGE NOTIFICATION (PDF)       PRODUCT Change NOTIFICATION (PDF)       Product Change Notification 2024-01-02 (PDF)       Product Change Notification 2024-07-30 (PDF)       Product Change Notification (PDF)       Product Change Notification 2024-04-12 (PDF)       STM32L4x products - Datasheets update (PDF)