WMSIC Electronic Components

RENESAS R7FA4M3AF3CFM#AA0 R7FA4M3AF3CFM

ModelR7FA4M3AF3CFM#AA0
PackageLFQFP-64(10x10)
BrandRENESAS
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 20+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
RENESAS R7FA4M3AF3CFM#AA0
Type
RENESAS
Minimum package
250 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
R7FA4M3AF3CFM#AA0
Electronic Component
1
Package
LFQFP-64(10x10)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0.32g
CPU
32 Bit
CPU
ARM Cortex-M33
I / O
42
RAM
128KB
Electronic Component
1
ADC
12bit
DAC
12bit
EEPROM
8KB
Electronic Component
BM0264582805

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

R7FA4M3AF3CFM#AA0 单片机产品概述

R7FA4M3AF3CFM#AA0是瑞萨电子推出的基于ARM Cortex-M33内核的32位单片机,兼具高性能、丰富外设与工业级可靠性,适用于工业控制、物联网终端等多场景嵌入式系统设计。以下从核心参数、性能特性、外设资源等方面展开概述。

一、核心硬件参数总览

该型号核心参数明确覆盖嵌入式系统基础需求:

  • 内核架构:ARM Cortex-M33(ARMv8-M架构),32位运算能力;
  • 主频与存储:最大工作主频100MHz,1MB FLASH程序存储器、128KB SRAM数据存储器、8KB EEPROM非易失性数据存储;
  • IO与模拟外设:42个通用I/O引脚,集成12位ADC(多通道)与12位DAC;
  • 工作环境:工作电压2.7V3.6V,工作温度-40℃+105℃(工业级);
  • 封装形式:64引脚LQFP封装(10mm×10mm),贴片式设计便于PCB集成。

二、高性能内核与存储架构

2.1 Cortex-M33内核优势

采用ARM Cortex-M33内核,相比前代M3内核新增TrustZone安全隔离技术,可将系统划分为“安全区域”与“非安全区域”,有效保护敏感数据(如加密密钥、用户配置),降低恶意攻击风险;同时支持Thumb-2指令集,兼顾代码密度与执行效率,适合复杂算法运算(如PID控制、数据加密)。

2.2 存储资源适配性

  • 1MB FLASH:支持在线编程(ICP)与在线调试(ICD),可存储较大体积的应用程序(如带简单图形界面的嵌入式代码);
  • 128KB SRAM:满足实时数据缓存、中断处理栈等需求,无需频繁访问外部存储,提升系统响应速度;
  • 8KB EEPROM:适合存储少量非易失性数据(如设备校准参数、用户设置),无需额外外接EEPROM,简化硬件设计。

三、丰富外设资源助力系统集成

3.1 模拟外设

  • 12位ADC:多通道设计(瑞萨RA系列常规为16+通道),采样精度满足多数传感器信号采集(如温度、压力、光强传感器),支持自动扫描模式,减少CPU干预;
  • 12位DAC:单通道或多通道输出,可用于模拟量控制(如电机转速调节、LED亮度渐变)。

3.2 数字外设

  • 42个通用I/O:支持中断触发、上下拉电阻配置、推挽/开漏输出模式,适配各类数字信号输入输出(如按键、继电器控制);
  • 通信接口:集成UART、SPI、I2C等常用串行接口,支持多设备通信(如连接蓝牙模块、无线传感器);
  • 定时器模块:内置16位/32位通用定时器、PWM定时器,可实现精准定时、脉冲宽度调制(如小型电机驱动、舵机控制)。

3.3 时钟与振荡器

内置高速振荡器(HOSC,默认8MHz)与低速振荡器(LOSC,32.768kHz),无需外部晶振即可稳定工作,进一步简化电路设计与成本。

四、工业级可靠性与环境适应性

  • 宽电压范围:2.7V~3.6V工作电压,适配电池供电(如3.7V锂电池)或宽电压电源系统,无需额外稳压电路;
  • 宽温度范围:-40℃~+105℃工业级温度,可在 harsh环境(如户外传感器节点、工厂设备)稳定运行;
  • 封装可靠性:64-LQFP封装采用无铅工艺,符合RoHS标准,引脚间距0.5mm,焊接可靠性高,适合批量生产。

五、典型应用场景

基于以上特性,R7FA4M3AF3CFM#AA0适用于以下场景:

  1. 工业控制:小型PLC模块、传感器数据采集节点、电机驱动控制器;
  2. 物联网终端:智能家居传感器(温湿度、人体感应)、智能电表、环境监测设备;
  3. 汽车电子周边:车载OBD诊断模块、车载传感器节点(温度范围适配汽车舱内/舱外环境);
  4. 消费电子:智能穿戴设备(低功耗模式)、小型家电控制器(如加湿器、智能插座)。

六、低功耗与安全补充特性

虽未明确标注低功耗参数,但瑞萨RA系列M33单片机支持多种低功耗模式(睡眠、深度睡眠等),待机电流低至微安级,适合电池供电的物联网终端;TrustZone安全技术可满足对数据安全要求较高的应用(如智能支付终端、工业物联网网关)。

总结:R7FA4M3AF3CFM#AA0是一款平衡性能、外设与可靠性的32位单片机,适合对成本、集成度有要求的嵌入式系统设计,瑞萨的技术支持与RA系列生态系统(如Flex Software Package)进一步降低了开发门槛。

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