WMSIC Electronic Components

ST STM32L431CCU6TR

ModelSTM32L431CCU6TR
Package48-UFQFPN(7x7)
BrandST
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
ST(STMicroelectronics) STM32L431CCU6TR
Type
ST
Minimum package
2500 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
ST(STMicroelectronics)
Electronic Component
STM32L431CCU6TR
Electronic Component
1
Package
48-UFQFPN(7x7)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0.18g
CPU
32 Bit
CPU
ARM Cortex-M4
I / O
39
RAM
64KB
Electronic Component
1
ADC
12bit
DAC
12bit
Electronic Component
BM0263194799
Operating Temperature
40℃~+85℃

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

STM32L431CCU6TR 单片机产品概述

STM32L431CCU6TR是意法半导体(ST)推出的一款32位超低功耗单片机,基于ARM Cortex-M4内核架构,兼顾运算能力与低功耗特性,适用于工业控制、消费电子、医疗设备等多领域的中低复杂度应用。以下从核心性能、存储接口、工作环境等维度展开概述。

一、核心性能与架构

该单片机搭载ARM Cortex-M4内核,最大主频可达80MHz,支持两项关键增强特性:

  • DSP指令集:可高效处理数字信号运算(如滤波、FFT),适合传感器数据预处理;
  • 单精度浮点单元(FPU):加速复杂算法(如PID控制、数学建模)的执行,无需软件模拟浮点运算,提升实时性。

内核采用哈佛架构,指令与数据总线分离,可同时访问Flash与RAM,避免总线冲突,优化程序执行效率。

二、存储与接口资源

存储能力

  • 程序存储:256KB Flash存储器,支持扇区擦除(最小4KB),可实现程序在线升级(OTA),无需物理更换芯片;
  • 数据存储:64KB SRAM分为两部分——主SRAM(48KB)用于程序运行,备份SRAM(16KB)在低功耗模式下可保持数据,替代外部EEPROM实现断电数据保存。

接口资源

  • 数字I/O:39个通用I/O口,部分引脚支持5V容忍,可适配不同电平的外部设备(如传感器、继电器);
  • 模拟接口:12位ADC(支持多通道,1.2μs采样速度)与12位DAC(双路输出),满足模拟信号采集与控制需求;
  • 通信接口:内置UART、SPI、I2C、CAN等常用接口(L431CC标配),可与无线模块(蓝牙、LoRa)、传感器等外设快速通信;
  • 时钟系统:内置高速内部振荡器(HSI,16MHz)、低速内部振荡器(LSI,32kHz),无需外部晶振即可稳定工作,简化电路设计。

三、工作环境与封装

工作参数

  • 电压范围:1.71V~3.6V宽电压,适配锂电池(3.7V典型值)、工业12V降压电源等多种供电方式;
  • 温度范围:-40℃~+85℃工业级温度,可在户外低温、车间高温等恶劣环境下稳定运行;
  • 功耗特性:L4系列主打超低功耗,支持Stop 2模式(电流<1μA)、Standby模式(电流<0.5μA),适合电池供电的便携式设备。

封装规格

采用48引脚UFQFN封装(尺寸7x7mm),体积紧凑,引脚间距0.5mm,适合小型化产品(如智能手环、小型传感器节点)的PCB设计,同时兼顾散热与焊接可靠性。

四、典型应用场景

STM32L431CCU6TR的特性使其适配多种场景:

  1. 工业控制:小型电机驱动、温度/压力传感器数据采集、PLC扩展模块;
  2. 消费电子:智能穿戴(手环/手表)、智能家居控制器(灯光/窗帘控制)、便携式音频设备;
  3. 医疗设备:便携式监护仪(心率/血氧采集)、血糖监测仪、小型输液泵;
  4. 物联网节点:低功耗环境监测节点(温湿度/光照)、无线蓝牙模块控制、智能门锁。

五、核心优势总结

  1. 低功耗与便携性:多种低功耗模式延长电池续航,适合便携式与电池供电设备;
  2. 高集成度:内置ADC、DAC、振荡器与通信接口,减少外部元件,降低BOM成本;
  3. 可靠性强:工业级宽温宽压、5V容忍引脚,适配 harsh环境与不同电平外设;
  4. 开发便捷:ST官方提供HAL库、STM32CubeIDE开发工具,生态成熟,社区资源丰富,降低开发门槛。

该单片机平衡了性能、功耗与成本,是工业与消费电子领域中低复杂度应用的优选方案。

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