特性
- 32 MHz Arm Cortex-M23 内核
- 16KB 闪存和 2KB SRAM
- 1.6V 至 5.5V 的宽电压范围
- TAU（16 位通用 PWM 定时器）
- TML32（32 位间隔定时器）
- 10 位 A/D 转换器
- 温度传感器
- SAU（UART、简单 SPI、简单 I2C）
- I2C 总线
- 安全功能
- +-1% 高精度、高速片上振荡器
- 一流的 HAL 驱动器代码
- 支持 Arm 生态系统和瑞萨电子原创开发工具
RA0E3 Block Diagram
描述
RA0E3 是一款高性价比的入门级通用微控制器 (MCU)，专为要求简单、高效和可靠性能的低引脚数应用而设计。 RA0E3 基于 Arm® Cortex®-M23 内核，具有超低功耗、精简外设和优化的架构，能够降低 BOM 成本，加快低端 MCU 市场的开发速度。
RA0E3 提供 16KB 闪存、2KB SRAM ，并支持1.6V 至 5.5V 的宽工作电压范围，为紧凑且注重降低功耗的设计提供灵活的平台。 它能够在 -40°C 至 125°C 的温度范围内稳健工作，成为消费、工业和物联网环境（此类环境往往要求在具有挑战性的条件下提供可靠性能）的理想选择。
产品参数
| 属性 | 值 |
|---|---|
| Main CPU | Arm Cortex-M23 |
| Program Memory (KB) | 16 |
| RAM (KB) | 2 |
| Carrier Type | Magazine, Tape & Reel |
| Supply Voltage (V) | 1.6 - 5.5 |
| I/O Ports | 17 |
| DRAM I/F | No |
| Temp. Range (°C) | Ta= -40 to +125 |
| Operating Freq (Max) (MHz) | 32 |
| Ethernet speed | No |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 0 / 0 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| SCI or UART (ch) | 2 |
| SPI (ch) | 2 |
| I2C (#) | 3 |
| CAN (ch) | 0 |
| CAN-FD (ch) | 0 |
| Wireless | No |
| SDHI (ch) | 0 |
| High Resolution Output Timer | No |
| PWM Output (pin#) | 7 |
| 32-Bit Timer (ch) | 0 |
| 16-Bit Timer (ch) (#) | 8 |
| Standby operable timer | Yes |
| Asynchronous General Purpose Timer / Interval Timer (ch) | 1 |
| 16-Bit A/D Converter (ch) | 0 |
| 14-Bit A/D Converter (ch) | 0 |
| 12-Bit A/D Converter (ch) | 0 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 0 |
| 12-Bit D/A Converter (ch) | 0 |
| 8-Bit D/A Converter (ch) | 0 |
| Capacitive Touch Sensing Unit (ch) | 0 |
| Image Codec | No |
| Segment LCD Controller | No |
| Security & Encryption | Unique ID |
封装选项
| Pkg. Type | Pkg. Dimensions (mm) | Lead Count (#) | Pitch (mm) |
|---|---|---|---|
| TSSOP | 6.5 x 4.4 x 1.2 | 20 | 0.65 |
应用方框图
完成您的设计
寻找相关的产品，完善您的设计
| 器件号 | 状态 | 样品 | 库存 | 封装 | Carrier Type | Family Name | Series Name | Group Name | CPU Architecture | Main CPU | Sub CPU | Floating Point Unit | Bit Length | Program Memory (KB) | Data Flash (KB) | RAM (KB) | ECC SRAM | Lead Count (#) | Pitch (mm) | Pkg. Dimensions (mm) | Number of Supply Voltage(s) (#) | Supply Voltage (V) | I/O Ports | DMAC or DTC | DMA (ch) | Temperature Sensor (ch) (#) | Power-On Reset | Watchdog Timer (ch) | External Memory Bus (bit) | DRAM I/F | 3D GPU | Accelerator | Temp. Range (°C) | External Interrupt Pins (#) | LVD or PVD | Operating Freq (Max) (MHz) | Sub-clock (32.768 kHz) | On-chip Oscillator | Ethernet speed | Ethernet (ch) | EtherCat (ch) (#) | USB Ports (#) | USB FS (host ch/device ch) | USB HS (host ch/device ch) | USB SS (host ch/device ch) | PCI Express (generation and ch) | SCI or UART (ch) | SPI (ch) | QSPI (ch) | OSPI (ch) | I2C (#) | I3C (ch) | CAN (ch) | CAN-FD (ch) | Wireless | IrDA | LIN (#) | SDHI (ch) | High Resolution Output Timer | PWM Output (pin#) | 32-Bit Timer (ch) | 16-Bit Timer (ch) (#) | 8-Bit Timer (ch) | Standby operable timer | Asynchronous General Purpose Timer / Interval Timer (ch) | RTC | 16-Bit A/D Converter (ch) | 14-Bit A/D Converter (ch) | 12-Bit A/D Converter (ch) | 10-Bit A/D Converter (ch) | 24-Bit Sigma-Delta A/D Converter (ch) | 16-Bit D/A Converter (ch) | 12-Bit D/A Converter (ch) | 10-Bit D/A Converter (ch) (#) | 8-Bit D/A Converter (ch) | Analog Comparator (ch) | OPAMP (ch) (#) | PGA (ch) | Capacitive Touch Sensing Unit (ch) | Graphics LCD Controller | MIPI Interfaces (DSI) (ch) | MIPI Interfaces (CSI) (ch) | Camera I/F (Parallel) | Image Codec | 2D Drawing Engine | Segment LCD Controller | SSI (ch) | Security & Encryption | Debug Interface | Moisture Sensitivity Level (MSL) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R7FA0E3034ZSD#HA0 | Active | Available | 有库存 | TSSOP | Tape & Reel | RA | RA0 | RA0E3 | Arm | Arm Cortex-M23 | No | No | 32 | 16KB | 0 | 2KB | No | 20# | 0.65mm | 6.5 x 4.4 x 1.2 | 1# | 1.6 - 5.5 | 17 | DTC | 0 | 1# | Yes | 1 | No | No | No | No | Ta= -40 to +125 | 6# | Yes | 32MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 2 | 2 | 0 | 0 | 3# | 0 | 0 | 0 | No | No | 1# | 0 | No | 7 | 0 | 8# | 0 | Yes | 1 | No | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID | SWD | 1 |
| R7FA0E3034ZSD#VA0 | Active | N/A | 缺货 | TSSOP | Magazine | RA | RA0 | RA0E3 | Arm | Arm Cortex-M23 | No | No | 32 | 16KB | 0 | 2KB | No | 20# | 0.65mm | 6.5 x 4.4 x 1.2 | 1# | 1.6 - 5.5 | 17 | DTC | 0 | 1# | Yes | 1 | No | No | No | No | Ta= -40 to +125 | 6# | Yes | 32MHz | Yes | Yes | No | 0 | 0 | 0 | ( 0 / 0 ) | ( 0 / 0 ) | ( 0 / 0 ) | No | 2 | 2 | 0 | 0 | 3# | 0 | 0 | 0 | No | No | 1# | 0 | No | 7 | 0 | 8# | 0 | Yes | 1 | No | 0 | 0 | 0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | No | 0 | 0 | No | No | No | No | 0 | Unique ID | SWD | 1 |
完成您的设计
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加载中
- 其他英语This document provides supplementary explanations of the peripheral functions chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
- 其他英语This document provides supplementary explanations of the electrical characteristics chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
- 应用说明英语Describes how to correct the oscillation clock frequency of the low-speed on-chip oscillator (LOCO) and the middle-speed on-chip oscillator (MOCO).相关文件：
- 应用说明英语Explains general methods for achieving low power consumption and how to configure the power-saving features available in the RA0 series.
- 应用说明英语PDF 283 KB R01AN6054EJ0160 Rev.1.60 2026年3月03日Recommended operating conditions are provided to help prevent device damage in Renesas RA family MCUs when injection current is introduced at I/O pins by external factors. The document outlines the maximum allowable injection current for each RA product and explains how to calculate appropriate series resistors to limit injection current, providing design guidelines for system development.
- 应用说明英语PDF 523 KB R01AN7466EU0120 Rev.1.20 2026年3月03日Provides information on how to protect the third-party program (software IP) contents for MCUs in the RA0 series. This application note applies to every MCU specified below in the target devices section. However, the ideas of this document are illustrated using the RA0E1 MCU as an example.
- 应用说明英语PDF 549 KB R20AN0846EU0100 Rev.1.00 2026年3月02日Outlines the contents of the example project bundle for the FPB-RA0E3 kit. These example projects demonstrate how to develop code using the Renesas Flexible Software Package (FSP) modules supported by the kit.相关文件：
- 应用说明英语Compares the tool ecosystem, core architecture, and peripheral features of the Microchip Technology® PIC16(L)F1 Family and the RA0 Series, providing support throughout the migration process.
- 应用说明英语Compares the tool ecosystem, core architecture, and peripheral features of Texas Instruments MSPM0 and the RA0 Series, providing support throughout the migration process.
- 应用说明英语This tutorial describes the basic development workflow for the RA0 series MCUs (e.g., RA0E1), covering TAU timer configuration, interrupt handling, and 500ms LED control coding, as well as build and debug procedures using e² studio and FSP. Using the FPB-RA0E1 in a bare-metal setup, it demonstrates clock, pin, and timer configuration along with C code examples to illustrate the minimal development flow for RA0 devices.
- 应用说明英语AI 生成的摘要: This application note introduces recommended resonators for the RX and RA families along with the relevant resonator matching evaluation results, oscillation evaluation methods, and some recommendations on board design as information for the design of the main clock oscillation circuit and the sub-clock oscillation circuit.
- 应用说明英语Provides supplementary EMI design guidance for hardware using the RA0E3 device. To meet IEC 61967‑4 Class‑1 requirements, a snubber circuit consisting of a 0.47 to 1 µF capacitor and a 1 Ω resistor should be placed near the VCL pin, and because higher resistance values can destabilize the VCL voltage, this countermeasure is intended specifically for the RA0E3.
- 数据手册英语RA0E3 Group DatasheetRECOMMENDEDThe RA0E3 Group is an MCU in the 32‑bit RA0 Series equipped with an Arm Cortex‑M23 core, designed for small‑pin applications and offering both low power consumption and high cost efficiency. The RA0E3 Group datasheet provides an overview of the product specifications, electrical characteristics, and package information.
- 手册 - 硬件英语RA0E3 Group User's Manual: HardwareRECOMMENDEDThe RA0E3 Group is a low‑power, cost‑efficient 32‑bit MCU with an Arm Cortex‑M23 core, designed for small‑pin applications in home appliances, consumer electronics, industrial devices, and building automation. This hardware manual covers low‑power peripheral settings, block diagrams, electrical characteristics, and package information.
推荐文档 (2)
- 数据手册英语RA0E3 Group DatasheetRECOMMENDEDThe RA0E3 Group is an MCU in the 32‑bit RA0 Series equipped with an Arm Cortex‑M23 core, designed for small‑pin applications and offering both low power consumption and high cost efficiency. The RA0E3 Group datasheet provides an overview of the product specifications, electrical characteristics, and package information.
数据手册 (1)
- 手册 - 硬件英语RA0E3 Group User's Manual: HardwareRECOMMENDEDThe RA0E3 Group is a low‑power, cost‑efficient 32‑bit MCU with an Arm Cortex‑M23 core, designed for small‑pin applications in home appliances, consumer electronics, industrial devices, and building automation. This hardware manual covers low‑power peripheral settings, block diagrams, electrical characteristics, and package information.
- 指南中文相关文件：
手册和指南 (3)
- 应用说明英语Describes how to correct the oscillation clock frequency of the low-speed on-chip oscillator (LOCO) and the middle-speed on-chip oscillator (MOCO).相关文件：
- 应用说明英语Explains general methods for achieving low power consumption and how to configure the power-saving features available in the RA0 series.
- 应用说明英语PDF 283 KB R01AN6054EJ0160 Rev.1.60 2026年3月03日Recommended operating conditions are provided to help prevent device damage in Renesas RA family MCUs when injection current is introduced at I/O pins by external factors. The document outlines the maximum allowable injection current for each RA product and explains how to calculate appropriate series resistors to limit injection current, providing design guidelines for system development.
- 应用说明英语PDF 523 KB R01AN7466EU0120 Rev.1.20 2026年3月03日Provides information on how to protect the third-party program (software IP) contents for MCUs in the RA0 series. This application note applies to every MCU specified below in the target devices section. However, the ideas of this document are illustrated using the RA0E1 MCU as an example.
- 应用说明英语PDF 549 KB R20AN0846EU0100 Rev.1.00 2026年3月02日Outlines the contents of the example project bundle for the FPB-RA0E3 kit. These example projects demonstrate how to develop code using the Renesas Flexible Software Package (FSP) modules supported by the kit.相关文件：查看更多 (12)
应用说明和白皮书 (12)
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- 其他英语This document provides supplementary explanations of the peripheral functions chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
- 其他英语This document provides supplementary explanations of the electrical characteristics chapter of the hardware manual for RA microcontrollers based on frequently asked questions.相关文件：
其他 (2)
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Renesas Boards & Kits
FPB-RA0E3
有效
RA0E3 快速原型开发板
RA0E3 快速原型开发板采用 RA0E3 MCU，为评估和各种应用的原型开发提供了精简的评估板。 其中包括一个内置的 SEGGER J-Link™ 仿真器，无需额外硬件即可轻松编程和调试。
为了增强开发板灵活性，配备标准 Arduino Uno™ 和 Pmod™ 接口，并通过通孔方式实现对所有 MCU 引脚的访问，扩展连接能力。
配套示例软件可帮助您快速评估 RA0E3 MCU 功能，并实现该开发板与无线模块、传感器附加组件及其他外设的集成。
Partner Boards & Kits
Evaluation
RA Family Microcontroller Board
NEWThis solution provides a general-purpose evaluation board featuring Renesas RA Family microcontrollers. It is available as a standalone evaluation board or as part of functional kits supporting applications such as CAN, touch key interfaces, and brushless motor control.
Provided By:
HOKUTO DENSHI加载中
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Partner Solutions
- 软件包中文RA 可扩展性强的配置软件包 (FSP)RECOMMENDEDFSP 是一款增强型软件包，旨在为使用瑞萨电子 RA 系列 Arm 微控制器的嵌入式系统设计提供简单易用且可扩展性强的高质量软件。
- 解决方案工具包英语The Renesas RA Smart Configurator (RA SC) is a desktop application that helps you in configuring software systems (including a Board Support Package (BSP), drivers, RTOS, and middleware) for RA-Family MCUs when you are using a third-party IDE and toolchain.
- 仿真器英语On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
- 仿真器英语On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
- 编程器（单元/软件）英语On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer] [Support MCU/MPU and devices: RE, RX, RL78, RH850, RISC-V MCU, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- 编程器（单元/软件）英语On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer] [Support MCU/MPU and devices: RX, RL78, RISC-V MCU, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- 编程器（单元/软件）英语Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C]
- 编程器（单元/软件）中文闪存编程软件【支持 MCU/MPU 和设备：RA、RE、RX、RL78、RH850、RISC-V MCU, Renesas Synergy、DA1453x、DA1459x、DA1469x、DA1470x、DA148xx、电源管理、Renesas USB Power Delivery 系列、电机驱动器/执行器驱动器 IC、V850、78K0R、78K0】
- 示例代码英语The example project demonstrates the capability of the FSP and FPB-RA0E3 by using multiple peripherals. The project initializes the IRQ and GPIO modules and uses SW to control the flashing frequency of the user LEDs. Once programmed, the user can control the board by button presses on the device.
- 示例代码英语The FPB-RA0E3 example project shows how to write code using various Flexible Software Package (FSP) modules supported by the FPB-RA0E3 kit. The FSP provides an optimized, easy-to-use, scalable, and high-quality software solution for embedded system design.相关文件：
- 示例代码英语相关文件：
- 示例代码英语ZIP 4.18 MB r30an0469eu0100 2025年3月26日相关文件：
- Application Specific SW中文Enables adaptive pedestrian traffic light control by detecting and counting pedestrians and calculating wait times in real-time, with no network connection required. Runs entirely at the edge on the Renesas RA8P1 MCU, accelerated by the Arm® Ethos-U55 Neural Processing Unit (NPU), achieving 11ms inference time within a ...Supported Products: RA8P1提供方: Irida Labs
- 软件包中文RA 可扩展性强的配置软件包 (FSP)RECOMMENDEDFSP 是一款增强型软件包，旨在为使用瑞萨电子 RA 系列 Arm 微控制器的嵌入式系统设计提供简单易用且可扩展性强的高质量软件。
推荐 (1)
- 软件包中文RA 可扩展性强的配置软件包 (FSP)RECOMMENDEDFSP 是一款增强型软件包，旨在为使用瑞萨电子 RA 系列 Arm 微控制器的嵌入式系统设计提供简单易用且可扩展性强的高质量软件。
- 解决方案工具包英语The Renesas RA Smart Configurator (RA SC) is a desktop application that helps you in configuring software systems (including a Board Support Package (BSP), drivers, RTOS, and middleware) for RA-Family MCUs when you are using a third-party IDE and toolchain.
- 仿真器英语On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
- 仿真器英语On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]查看更多 (9)
软件与工具 (9)
- 示例代码英语The example project demonstrates the capability of the FSP and FPB-RA0E3 by using multiple peripherals. The project initializes the IRQ and GPIO modules and uses SW to control the flashing frequency of the user LEDs. Once programmed, the user can control the board by button presses on the device.
- 示例代码英语The FPB-RA0E3 example project shows how to write code using various Flexible Software Package (FSP) modules supported by the FPB-RA0E3 kit. The FSP provides an optimized, easy-to-use, scalable, and high-quality software solution for embedded system design.相关文件：
- 示例代码英语相关文件：
- 示例代码英语ZIP 4.18 MB r30an0469eu0100 2025年3月26日相关文件：
样例程序 (4)
模拟模型 (1)
- Application Specific SW中文Enables adaptive pedestrian traffic light control by detecting and counting pedestrians and calculating wait times in real-time, with no network connection required. Runs entirely at the edge on the Renesas RA8P1 MCU, accelerated by the Arm® Ethos-U55 Neural Processing Unit (NPU), achieving 11ms inference time within a ...Supported Products: RA8P1提供方: Irida Labs
- AI中文Local AI–based Audio Event Detection identifies sound events such as baby crying and glass breaking with ~95% accuracy and 10–100 ms latency, enabling fast and reliable response to critical events. Supports deployment on Cortex-M0+ and comparable RISC-V/NPU/DSP platforms. Model size ranges from ...提供方: Aizip Inc.
- Development Tool中文Provides tools for developing real‑time, safety‑ and security‑critical embedded software by combining static analysis, unit testing, code coverage, requirements traceability, and compliance reporting in a unified workflow. Supports a TÜV SÜD‑certified GoogleTest‑based unit testing solution and integrates with modern development toolchains and continuous integration and continuous ...提供方: PARASOFT
- AI中文Provides local voice trigger and command recognition with robust noise reduction. Consumes very low resources while delivering high-accuracy performance. Runs on Renesas RA microcontroller unit (MCU) family, RX671, and RX72N, supporting multiple languages, connectivity functions, and security capabilities depending on the selected MCU. Enables offline operation without cloud connectivity ...提供方: Cyberon
- AI中文Provides local free speech control by combining speech recognition and natural language processing. Enables users to give natural and intuitive voice commands without memorizing specific terms. Supports developer tools for creating applications with simple text input, requiring no training data. Runs on Renesas RA8 microcontroller unit (MCU) platforms.提供方: Cyberon查看更多 (29)
Partner Solutions (29)
我们将引导首次使用RA 系列的用户完成开发环境的安装、项目生成，以及使用 RA0E1 Fast Prototyping Board 进行基本功能的验证。
通过将该开发板与J-Link ARM 调试器配合使用作为实际示例，帮助新开发者快速且有信心地开始开发。
The Renesas RA Family of 32-bit MCUs is designed to help device developers create the next generation of secure IoT devices. They are low power, have a wide variety of peripherals and connectivity options, and sport the latest HMI to help end customers have an immersive experience.
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