STM32L431KBU3 - STMicroelectronics

Manufacturer Part Number

STM32L431KBU3

Manufacturer

stmicroelectronics

Introduction

The STM32L431KBU3 is a high-performance ARM® Cortex®-M4 based microcontroller, tailored for low-power and embedded applications, encapsulated in a 32-UFQFPN package.

Product Features and Performance

ARM® Cortex®-M4 core processor

32-Bit single-core operating at a speed of 80MHz

Advanced connectivity options: CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART

Enhanced peripherals support: Brown-out Detect/Reset, DMA, PWM, WDT

Robust program and data memory: 128KB FLASH and 64KB RAM

High precision data converters: 10x12b A/D converters, 2x12b D/A converters

Product Advantages

High processing power with low energy consumption

Broad range of input/output capabilities supporting numerous device interconnections

Suitable for demanding operational conditions with a temperature range of -40°C to 125°C

Key Technical Parameters

Core Size: 32-Bit Single-Core

Speed: 80MHz

Program Memory Size: 128KB FLASH

RAM Size: 64KB

Voltage Supply (Vcc/Vdd): 1.71V to 3.6V

Operating Temperature: -40°C to 125°C

Quality and Safety Features

Brown-out Detect/Reset ensures reliable operation under fluctuating power supplies

Integral watchdog timer (WDT) to reset the system in case of malfunction

Compatibility

Compatible with various industrial standard communication protocols and interfaces

Application Areas

Industrial automation

Consumer electronics

Medical devices

Home automation systems

Product Lifecycle

Product Status: Active

This model is not nearing discontinuation; replacements and upgrades are available through the STM32L4 series

Several Key Reasons to Choose This Product

Powerful ARM Cortex-M4 core enabling complex embedded programming

Comprehensive connectivity and peripheral support simplify system design

Stability and reliability in harsh environmental conditions

Flexible voltage supply and robust I/O pin arrangement

Continuing support and availability from stmicroelectronics as part of the STM32L4 product series ensuring long-term applicability and upgrades