STM32L431RBT6TR - STMicroelectronics

Manufacturer Part Number

STM32L431RBT6TR

Manufacturer

STMicroelectronics

Introduction

High-performance and energy-efficient ARM Cortex-M4 based microcontroller for various embedded applications.

Product Features and Performance

32-Bit Single-Core ARM Cortex-M4 processor

Clock speed up to 80 MHz

Advanced connectivity options including CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART

On-chip peripherals such as Brown-out Detect/Reset, DMA, PWM, WDT

52 digital I/O pins for versatile interfacing

128KB of Flash program memory

64K x 8 bits of RAM for data storage

High-resolution analog to digital converters (A/D 16x12b)

Dual digital to analog converters (D/A 2x12b)

Internal oscillator for system timing

Product Advantages

Energy-efficient with a wide supply voltage range (1.71V to 3.6V)

Robust operating temperature range from -40°C to 85°C

Saves board space due to small 64-LQFP (10x10) surface mount package

Offers comprehensive development ecosystem with software and hardware support

Key Technical Parameters

Core Processor: ARM Cortex-M4

Speed: 80MHz

Program Memory Size: 128KB Flash

RAM Size: 64KB

Supply Voltage: 1.71V to 3.6V

Number of I/O: 52

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

Mounting Type: Surface Mount

Package/Case: 64-LQFP

Quality and Safety Features

Include built-in Brown-out Detect/Reset for voltage monitoring

Watchdog Timer (WDT) to reset the system in case of software failure

Lead-free and RoHS compliant for environmental standards

Compatibility

Compatible with STM32 software development tools

Supports various industry-standard serial communication interfaces

Application Areas

Suitable for consumer electronics, industrial automation, Internet of Things (IoT) devices, medical equipment, and automotive systems

Product Lifecycle

Product status: Active

No indication of discontinuation, and replacements or upgrades should be available as part of the STM32L4 series

Reasons to Choose This Product

Low power consumption with the flexibility for battery-powered applications

Wide ecosystem and community support for ease of development

High integration level reduces external components and design complexity

Performance and power balance ideal for power-sensitive applications

Resilient to harsh environmental conditions, making it reliable for industrial uses