WMSIC Electronic Components

RENESAS R7FA2E1A73CFL#AA0 R7FA2E1A73CFL

ModelR7FA2E1A73CFL#AA0
PackageLFQFP-48(7x7)
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 R7FA2E1A73CFL#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
R7FA2E1A73CFL#AA0
Electronic Component
1
Package
LFQFP-48(7x7)
Electronic Component
MCU(MCU / MPU / SOC)
Electronic Component
0.18g
CPU
32 Bit
CPU
ARM Cortex-M23
I / O
37
RAM
16KB
Electronic Component
1
ADC
12bit
EEPROM
4KB
Electronic Component
BM0257437688

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

R7FA2E1A73CFL#AA0 产品概述

一、概述

R7FA2E1A73CFL#AA0 是瑞萨(RENESAS)推出的一款基于 ARM Cortex-M23 内核的 32 位单片机,主频最高可达 48MHz。器件集成了 64KB 的闪存程序存储、16KB 的片上 SRAM、4KB 的 EEPROM,并提供 37 路通用 I/O 与 12 位模数转换等常用外设,工作电压范围为 1.6V~5.5V,工作温度覆盖 -40℃ 至 +105℃,封装为 LFQFP-48(7x7)。该产品面向对成本、功耗和工业级温度稳健性有综合要求的嵌入式应用场景。

二、核心性能与存储资源

  • CPU:ARM Cortex-M23,32-bit,最高 48MHz,适合实时控制与低功耗处理任务。
  • 程序存储:64KB FLASH,支持在片写入与可靠的代码执行。
  • 数据存储:16KB SRAM,可满足中小规模缓冲与数据处理。
  • EEPROM:4KB,适用于保存系统参数、校准数据和少量日志,具有掉电数据保持能力。

三、外设与接口亮点

  • I/O:37 路通用数字 I/O,可灵活配置为输入、输出或复用外设功能,方便实现多种接口拓扑。
  • ADC:12-bit 分辨率,适合对传感器信号进行精度较高的采样。
  • 时钟:支持内置振荡器与外部晶振/谐振器,便于在对时钟精度有要求的场景中选用合适时钟源。

(注:实际可用外设类型和通道数以型号数据手册为准。)

四、电源与环境适用性

本器件宽电压(1.6V5.5V)使其能适配多种电源方案,从单节锂电池到 5V 工业供电均可兼容;-40℃+105℃ 的工作温度范围满足工业与户外应用对温度可靠性的要求。设计时建议采用适当的去耦电容和电源滤波,以保证 ADC 精度与系统稳定性。

五、封装与机械特性

LFQFP-48 (7x7) 封装在尺寸与引脚可用性之间提供平衡,适合手工焊接与自动贴装生产。48 引脚布局可支持充分的外设扩展与 PCB 布局留白,便于模块化设计与小型化产品开发。

六、典型应用场景

  • 工业控制器与传感节点:利用宽温和宽电压特性,在现场控制、数据采集与本地计算中表现稳定。
  • 电池供电的便携设备:低功耗内核与多功耗模式配合 EEPROM 保存重要参数,适合智能仪表与便携终端。
  • 家用与楼宇自动化:充足的 I/O 与 12-bit ADC 便于读入各类传感器并驱动执行器。

七、设计建议

  • 电源设计:推荐在 VDD 处放置 0.1µF+1µF 的去耦组合,靠近芯片电源引脚布局;如需使用 5V 侧外设,考虑 I/O 端的电平匹配或缓冲。
  • ADC 应用:为提高采样精度,应采用稳压参考并在模拟地与数字地之间做好分割与回流。
  • EEPROM 使用:对频繁写入数据做磨损均衡与校验,确保长期可靠性。
  • 时钟选择:对时间精度要求高的应用建议外部晶振,普通控制场合可优先使用内置振荡器以节省成本。

综上,R7FA2E1A73CFL#AA0 以其平衡的性能、可靠的工业特性与丰富的基础资源,适合面向工业和消费类嵌入式系统的中小规模控制与数据采集应用。欲获取详细引脚分配、外设说明与典型应用电路,请参考瑞萨官方数据手册与应用笔记。

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