STM32L431RBT6 - STMicroelectronics

Manufacturer Part Number

STM32L431RBT6

Manufacturer

STMicroelectronics

Introduction

The STM32L431RBT6 is a high-performance ARM® Cortex®-M4 based microcontroller, offering energy efficiency and a rich set of peripherals.

Product Features and Performance

80MHz maximum CPU frequency

32-bit single-core ARM Cortex-M4 processor

Includes Floating Point Unit (FPU)

Energy efficient operation

Advanced and flexible power management

Product Advantages

Optimized for low-power applications

Extensive set of peripherals for connectivity and control

High system integration reduces external components

Robust brown-out detect/reset feature for system reliability

Key Technical Parameters

Core Processor: ARM Cortex-M4

Core Size: 32-Bit

Speed: 80MHz

Program Memory Size: 128KB (Flash)

RAM Size: 64KB

Number of I/O: 52

Data Converters: A/D 16x12 bit, D/A 2x12 bit

Voltage Supply: 1.71V to 3.6V

Operating Temperature Range: -40°C to 85°C

Quality and Safety Features

Includes DMA, PWM, and WDT peripherals for enhanced safety

Brown-out detect/reset for reliable operation

Compatibility

Package / Case: 64-LQFP (suitable for surface mount)

Connectivity interfaces compatible with CANbus, I2C, IrDA, LINbus, SD/MMC, QSPI, SAI, SPI, SWPMI, UART/USART

Application Areas

Ideal for embedded system applications like industrial controls, smart devices, energy management, and medical equipment

Product Lifecycle

Product Status: Active

Not nearing discontinuation

Replacement and upgrades are available

Several Key Reasons to Choose This Product

High-performance ARM Cortex-M4 core with FPU for computationally intensive applications

Energy-efficient design for battery-powered and green-energy devices

Multiple connectivity options provide design flexibility

Wide operating temperature range suited for harsh environments

The rich peripheral set allows for a reduced external component count, saving cost and space

Enhanced quality and safety features ensure reliable long-term operation