WMSIC Electronic Components

RENESAS R7FA2E1A92DFL#AA0 R7FA2E1A92DFL

ModelR7FA2E1A92DFL#AA0
Package48-LQFP
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 22+

Available for RFQ

Technical data

Product details

20 specifications

Core information

Product name
RENESAS R7FA2E1A92DFL#AA0
Type
RENESAS
Unit
Electronic Component
Minimum package
250 托盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
Electronic Component
Electronic Component
RENESAS
Electronic Component
R7FA2E1A92DFL#AA0
Electronic Component
1
Package
48-LQFP
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0g
CPU
32 Bit
CPU
ARM Cortex-M23
Electronic Component
1
Electronic Component
BM0264678772
CPU
48MHz
Electronic Component
Electronic Component
Electronic Component
250
Electronic Component
128KB

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

R7FA2E1A92DFL#AA0 产品概述

R7FA2E1A92DFL#AA0 是瑞萨(RENESAS)推出的一款面向低功耗嵌入式控制与传感应用的 32 位单片机。该器件基于 ARM Cortex-M23 内核,最高主频 48 MHz,集成 128 KB Flash 程序存储、16 KB RAM 与 4 KB EEPROM,提供丰富的 GPIO 与 12-bit ADC,适合工业控制、消费电子与电池供电类产品的中低端控制需求。

一、处理器与存储架构

  • CPU:ARM Cortex-M23,32-bit 处理器,最高主频 48 MHz,适用于确定性实时控制与低功耗运行场景。
  • 程序存储:128 KB Flash,支持常见的固件与引导程序存放,满足中等复杂度的应用固件需求。
  • 数据存储:16 KB RAM 用于运行时数据与堆栈;额外 4 KB EEPROM 可用于保存少量配置参数、校准值与持久化状态数据,便于在断电后保持关键设置。

二、电源与时钟特性

  • 工作电压范围宽:1.6 V 至 5.5 V,可直接适配锂电池、单节锂电池+升降压、电池组或多种工业电源方案,利于便携与多电压平台设计。
  • 振荡器:器件内置振荡器,同时支持外部晶振或时钟输入,便于在低功耗与高精度时钟间取舍,满足 RTC 或通信时序需求。
  • 温度范围:-40 ℃ 至 +85 ℃,覆盖工业级温度要求,适合恶劣环境下长期可靠运行。

三、外设与 I/O 能力

  • I/O 数量:37 个通用 I/O,能灵活接入按键、指示灯、继电器驱动或外设控制线路。
  • ADC:12-bit 分辨率的模数转换,适合传感器数据采集、模拟电压监测与控制回路的采样要求。
    说明:具体的外设通道映射、模拟输入数量与采样速率、输入参考方式等,请参阅官方数据手册以实现正确硬件设计与配置。

四、封装与机械特性

  • 封装形式:48 引脚 LQFP(7 mm x 7 mm),利于手工焊接与批量 SMT 贴装,在尺寸与引脚密度之间取得平衡。
  • 引脚排布适用于常见开发板与模块化设计,便于系统集成与外围元件布局。

五、典型应用场景

  • 便携式测量仪表与传感器节点:低功耗、宽电压支持与 12-bit ADC 使其适合电池供电的采集任务。
  • 工业控制与人机界面:足够的 Flash 与 I/O 可实现中等复杂度的控制程序与交互逻辑。
  • 家电与消费电子:成本与性能平衡,适用于电机控制、按键面板、状态监控等子系统。

六、设计要点与工程建议

  • 电源设计:在 1.6 V~5.5 V 范围内使用时,做好稳压与软启动设计,推荐在靠近芯片的 VCC 引脚处放置适当的去耦电容以抑制瞬态噪声。
  • 时钟选择:若需高精度采样或通信,请使用外部晶振并按数据手册配置时钟源;若追求超低功耗,可优先使用内部振荡器并进入低频/睡眠模式。
  • EEPROM 与 Flash 使用:频繁写 EEPROM 时注意写周期与耐久性,必要时在应用层实现磨损均衡与写入频率管理。将大容量数据与可更新代码存放于 Flash,并留出足够的擦写空间与备份策略。
  • ADC 布局:模拟输入应尽量远离高频开关或大电流回路,并使用适当的输入滤波与参考地布局以降低噪声,提高采样精度。

七、优势概述

R7FA2E1A92DFL#AA0 在低功耗与工业级工作条件下提供了平衡的计算能力与资源配置:Cortex-M23 内核带来可靠的嵌入式控制能力,128 KB Flash 与 16 KB RAM 满足多数中小型应用需求,宽电压与宽温度范围提升系统适应性;48 引脚 LQFP 封装利于系统集成。建议在开发前仔细阅读瑞萨官方数据手册与应用笔记,结合具体系统需求选择电源、时钟与外设配置,以获得最佳可靠性与性能。

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