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描述

Topics 
Flash memory reprogramming software for RL78/L23 has been released.

The data flash library is free-of-charge software that reprograms the contents of the data flash memory by user programs.
"Renesas Flash Driver for RL78" is free-of-charge software that reprograms the contents of code flash memory and data flash memory by user programs.

特性

  • Data Flash Libraries provide the interface for operations on the areas of data flash memories that MCUs have. (Functions are supported varies with the MCU. Please check the available functions in the user's manual for the target flash reprogramming software.) :
    • Erasing
    • Programming
    • Internal verification
    • Blank checking, etc.
  • An EEPROM emulation library for data flash memory is also included.
  • Learn More

发布信息

Renesas Flash Driver RL78 Type 11 for RL78/L23 Group

  • Latest Ver.: Ver.1.00
  • Released: Sep 05, 2025

EEPROM Emulation Software RL78 Type 11 for RL78/L23 Group

  • Latest Ver.: Ver.1.00
  • Released: Sep 05, 2025

Data Flash Library Type04 for RL78 Family

  • Latest Ver.: Ver.3.00
  • Released: Feb 05, 2024

Note: The LLVM compiler version was added to the package.

Package for the EEPROM Emulation Library Pack02 for the RL78 Family

  • Latest Ver.: Ver.3.00
  • Released: May 20, 2024

Note: The LLVM compiler version was added to the package.

Package for the EEPROM Emulation Library Pack01 for the RL78 Family, the EEPROM Emulation Library T01 for the RL78 Family

  • Latest Ver.: Ver.2.10
  • Released: Jan 22, 2018

Note: This package is the revised edition of the following package, and the package name was changed.

  • Package for the EEPROM Emulation Library Pack01 for the RL78 Family

Renesas Flash Sample Program Type01 for RL78/G15 Group and RL78/G16 Group

  • Latest Ver.:  Ver.1.21
  • Released: Jan 20, 2026

Renesas Flash Driver RL78 Type 01 for RL78/G2x Group

  • Latest Ver.: Ver.1.21
  • Released: Dec 05, 2025

EEPROM Emulation Software RL78 Type 01 for RL78/G2x Group

  • Latest Ver.: Ver.1.21
  • Released: Dec 05, 2025

Renesas Flash Driver RL78 Type 02 for RL78/F23 and RL78/F24

  • Latest Ver.: Ver.1.01
  • Released: Dec 05, 2025

EEPROM Emulation Software RL78 Type02 for RL78/F23 and RL78/F24 Group

  • Latest Ver.: Ver.1.01
  • Released: Dec 05, 2025

Renesas Flash Driver RL78 Type 03 for RL78/F22 and RL78/F25

  • Latest Ver.: Ver.1.00
  • Released: Aug 05, 2024

EEPROM Emulation Software RL78 Type03 for RL78/F22 and RL78/F25 Group

  • Latest Ver.: Ver.1.00
  • Released: Sep 05, 2024

Details of upgrade (See Tool News)

Operating Environment

Distribution Method

目标设备

类型 文档标题 日期
升级 - 编程器
登录后下载 ZIP 5.81 MB 日本語
升级 - 编程器
登录后下载 ZIP 2.68 MB 日本語
图库
登录后下载 ZIP 2.78 MB
图库
登录后下载 ZIP 1.69 MB
升级 - 编程器
登录后下载 ZIP 1.67 MB 日本語
软件和工具 - 软件
登录后下载 EXE 7.80 MB
软件和工具 - 其他 XLS 155 KB
软件和工具 - 其他 XLS 78 KB
8 项目
类型 文档标题 日期
工具新闻 - 发布公告 PDF 164 KB 日本語
工具新闻 - 发布公告 PDF 142 KB 日本語
其他 PDF 337 KB 日本語
应用说明 PDF 2.16 MB 日本語
The Renesas Flash Driver RL78 Type 01 SC version is a smart configurator-compatible version of the software that reprograms the flash memory on the RL78/G22, RL78/G23 and RL78/G24. This document describes in detail the supported development environment and file structure of the Renesas Flash Driver RL78 Type 01 SC version. Additionally, it describes the procedures for creating projects and operation verification.
应用说明 PDF 149 KB 日本語
The Renesas Flash Driver RL78 Type 01 SC version is a smart configurator-compatible version of the software that reprograms the flash memory on the RL78/G22, RL78/G23 and RL78/G24. This document describes in detail the supported development environment and file structure of the Renesas Flash Driver RL78 Type 01 SC version. Additionally, it describes the procedures for creating projects and operation verification.
工具新闻 - 发布公告 PDF 174 KB 日本語
应用说明 PDF 2.12 MB 日本語
AI 生成的摘要: The Renesas Flash Sample Program Type 01 is software that reprograms the flash memory built in the RL78/G15 and RL78/G16. The Renesas Flash Sample Program Type 01 API functions can be incorporated into user programs to reprogram code flash memory and data flash memory. This document describes API functions of the Renesas Flash Sample Program Type 01 and provides instructions for adding the Renesas Flash Sample Program Type 01 to a project.
应用说明 PDF 1.77 MB 日本語
AI 生成的摘要: The Renesas Flash Sample Program Type 01 SC version is a smart configurator-compatible version of the software that reprograms the flash memory on the RL78/G15 and RL78/G16. This document describes in detail the supported development environment and file structure of Renesas Flash Sample Program Type 01. Additionally, it describes the procedures for creating projects and operation verification.
应用说明 PDF 141 KB 日本語
AI 生成的摘要: The Renesas Flash Sample Program Type 01 SC version is a smart configurator-compatible version of the software that reprograms the flash memory on the RL78/G15 and RL78/G16. This document describes in detail the supported development environment and file structure of Renesas Flash Sample Program Type 01. Additionally, it describes the procedures for creating projects and operation verification.
工具新闻 - 发布公告 PDF 145 KB 日本語
手册 - 开发工具 PDF 2.64 MB 日本語
The EEPROM Emulation Software RL78 Type 01 is a software that performs EEPROM emulation using the data flash memory built in the RL78/G2x. This software enables users to write and read of the user data without needing to be aware of the data storage locations on the data flash memory. This document describes API functions of the EEPROM Emulation Software RL78 Type 01 and provides instructions for adding the EEPROM Emulation Software RL78 Type 01 to a project.
手册 - 开发工具 PDF 1.92 MB 日本語
The EEPROM Emulation Software RL78 Type 02 is a software that performs EEPROM emulation using the data flash memory built in the RL78/F23 and RL78/F24. This software enables users to write and read of the user data without needing to be aware of the data storage locations on the data flash memory. This document describes API functions of the EEPROM Emulation Software RL78 Type 02 and provides instructions for adding the EEPROM Emulation Software RL78 Type 02 to a project.
手册 - 开发工具 PDF 3.37 MB 日本語
The Renesas Flash Driver RL78 Type 01 is software that reprograms the flash memory built in the RL78/G2x. The Renesas Flash Driver RL78 Type 01 API functions can be incorporated into user programs to reprogram code flash memory, data flash memory and extra area. This document describes API functions of the Renesas Flash Driver RL78 Type 01 and provides instructions for adding the Renesas Flash Driver RL78 Type 01 to a project.
手册 - 开发工具 PDF 3.29 MB 日本語
The Renesas Flash Driver RL78 Type 02 is software that reprograms the flash memory built in the RL78/F23 and RL78/F24. The Renesas Flash Driver RL78 Type 02 API functions can be incorporated into user programs to reprogram code flash memory, data flash memory and extra area. This document describes API functions of the Renesas Flash Driver RL78 Type 02 and provides instructions for adding the Renesas Flash Driver RL78 Type 02 to a project.
手册 - 开发工具 PDF 4.50 MB 日本語
The Renesas Flash Driver RL78 Type 11 is software that reprograms the flash memory built in the RL78/L23. The Renesas Flash Driver RL78 Type 11 API functions can be incorporated into user programs to reprogram code flash memory, data flash memory and extra area. This document describes API functions of the Renesas Flash Driver RL78 Type 11 and provides instructions for adding the Renesas Flash Driver RL78 Type 11 to a project.
手册 - 开发工具 PDF 146 KB 日本語
The Renesas Flash Driver RL78 Type XX and The EEPROM Emulation Software RL78 Type XX are software that reprograms the flash memory built in the RL78/x2x. This document describes the settings for each device required when using the sample program of each software. Please use this with reference to the user’s manual for the target software.
工具新闻 - 发布公告 PDF 146 KB 日本語
This is the Tool News announcing the revision upgrade to the Renesas Flash Driver RL78 Type 02 for RL78/F23 and RL78/F24 package V1.01 and EEPROM Emulation Software RL78 Type 02 RL78/F23 and RL78/F24 package V1.01. It describes the details of the revision upgrade (Summary of Changes) and how to obtain. The Renesas Flash Driver RL78 Type 02 and The EEPROM Emulation Software RL78 Type 02 are softwares that reprograms the flash memory built in the RL78/F23 and RL78/F24.
工具新闻 - 发布公告 PDF 145 KB 日本語
This is the Tool News announcing the revision upgrade to the Renesas Flash Driver RL78 Type 01 for RL78/G2x package V1.21 and EEPROM Emulation Software RL78 Type 01 RL78/G2x package V1.21. It describes the details of the revision upgrade (Summary of Changes) and how to obtain. The Renesas Flash Driver RL78 Type 01 and The EEPROM Emulation Software RL78 Type 01 are softwares that reprograms the flash memory built in the RL78/G2x.
应用说明 PDF 139 KB 日本語
应用说明 PDF 2.44 MB 日本語
工具新闻 - 发布公告 PDF 155 KB 日本語
The Renesas Flash Driver RL78 Type 11 SC version is a smart configurator-compatible version of the software that reprograms the flash memory on the RL78/L23. Components are provided for each reprogramming target, and the user uses the smart configurator and can incorporate the components for the reprogramming target into user’s project.
工具新闻 - 发布公告 PDF 148 KB 日本語
工具新闻 - 发布公告 PDF 151 KB 日本語
应用说明 PDF 1.81 MB 日本語
应用说明 PDF 165 KB 日本語
手册 - 开发工具 PDF 2.57 MB 日本語
手册 - 开发工具 PDF 2.31 MB 日本語
手册 - 开发工具 PDF 2.48 MB 日本語
手册 - 开发工具 PDF 957 KB 日本語
手册 - 软件 PDF 799 KB
手册 - 软件 PDF 1.04 MB
发行说明 PDF 2.93 MB 日本語
工具新闻 - 发布公告 PDF 152 KB 日本語
工具新闻 - 发布公告 PDF 167 KB 日本語
手册 - 开发工具 PDF 741 KB
手册 - 开发工具 PDF 899 KB 日本語
发行说明 PDF 1.14 MB 日本語
工具新闻 - 发布公告 PDF 148 KB 日本語
工具新闻 - 发布公告 PDF 143 KB 日本語
工具新闻 - 发布公告 PDF 137 KB 日本語
工具新闻 - 发布公告 PDF 160 KB 日本語
工具新闻 - 发布公告 PDF 138 KB 日本語
工具新闻 - 发布公告 PDF 163 KB 日本語
手册 - 开发工具 PDF 218 KB 日本語
工具新闻 - 发布公告 PDF 148 KB 日本語
工具新闻 - 通告 PDF 141 KB 日本語
应用说明 PDF 1.90 MB 日本語
AI 生成的摘要: The document explains how to use the Renesas Flash Driver RL78 Type 02 with Smart Configurator (SC) for programming data flash memory on RL78/F23 and RL78/F24 microcontroller groups. It details the folder and file structure of the sample programs, differences between the SC version and the conventional version of the driver, and the operating environment including supported compilers and emulators. The sample program erases and programs 64 bytes of data in block 0 of the data flash area. The document guides creating sample projects in various IDEs and provides configuration and source files necessary for data flash programming.
应用说明 PDF 142 KB 日本語
AI 生成的摘要: Renesas Flash Driver RL78 Type 02 SC version supports RL78/F23 and RL78/F24 microcontroller groups and integrates with Smart Configurator (SC) for flash memory operations. It requires specific C compiler versions and emulator support, and works alongside related flash driver components for code flash, data flash, and extra area. The document details operating environments, usage instructions, and sample program folder structures. It also provides essential handling precautions for microcontroller units, including ESD protection, power-on processing, signal input restrictions, unused pin handling, clock signal stability, voltage waveform considerations, reserved address access prohibition, and product differences. Legal disclaimers and quality grades clarify intended applications and liabilities.
工具新闻 - 发布公告 PDF 154 KB 日本語
手册 - 开发工具 PDF 173 KB 日本語
工具新闻 - 通告 PDF 142 KB 日本語
工具新闻 - 发布公告 PDF 152 KB 日本語
工具新闻 - 发布公告 PDF 146 KB 日本語
工具新闻 - 发布公告 PDF 170 KB 日本語
工具新闻 - 发布公告 PDF 176 KB 日本語
工具新闻 - 发布公告 PDF 171 KB 日本語
手册 - 开发工具 PDF 188 KB 日本語
手册 - 软件 PDF 498 KB
手册 - 软件 PDF 923 KB
手册 - 开发工具 PDF 121 KB 日本語
手册 - 软件 PDF 982 KB 日本語
工具新闻 - 发布公告 PDF 108 KB 日本語
工具新闻 - 注意事项 PDF 96 KB 日本語
工具新闻 - 注意事项 PDF 117 KB 日本語
工具新闻 - 发布公告 PDF 126 KB 日本語
工具新闻 - 发布公告 PDF 119 KB 日本語
发行说明 PDF 417 KB 日本語
工具新闻 - 发布公告 PDF 98 KB 日本語
工具新闻 - 发布公告 PDF 98 KB 日本語
工具新闻 - 注意事项 PDF 857 KB 日本語
工具新闻 - 注意事项 PDF 860 KB 日本語
工具新闻 - 发布公告 PDF 538 KB 日本語
手册 - 开发工具 PDF 2.16 MB 日本語
工具新闻 - 发布公告 PDF 429 KB 日本語
工具新闻 - 发布公告 PDF 486 KB 日本語
手册 - 开发工具 PDF 1.36 MB
手册 - 开发工具 PDF 2.20 MB
工具新闻 - 注意事项 PDF 315 KB 日本語
工具新闻 - 发布公告 PDF 716 KB 日本語
工具新闻 - 发布公告 PDF 317 KB
工具新闻 - 发布公告 PDF 422 KB 日本語
工具新闻 - 发布公告 PDF 421 KB 日本語
82 项目

样例程序

样例程序

筛选
类型 文档标题 日期 日期
示例代码
[Toolchains=CC-RL|V1.10 or later;LLVM for Renesas RL78|10.0.0.202312 or later;IAR Compiler for RL78|v.4.21 or later]
登录后下载 ZIP 4.15 MB
应用: 工业
Compiler: CC-RL, ICCRL78, LLVM for Renesas RL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
[Toolchains=CC-RL|V1.10 or later;LLVM for Renesas RL78|10.0.0.202312 or later;IAR Compiler for RL78|v.4.21 or later]
登录后下载 ZIP 440 KB
应用: 工业
Compiler: CC-RL, ICCRL78, LLVM for Renesas RL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
[Toolchains=CC-RL|V1.10 or later;LLVM for Renesas RL78|V10.0.0.202306 or later;IAR Compiler for RL78|V4.21 or later]
登录后下载 ZIP 3.61 MB Compiler: CC-RL, ICCRL78, LLVM for Renesas RL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
[Toolchains=CC-RL|V1.10 or later;LLVM for Renesas RL78|V10.0.0.202306 or later;IAR Compiler for RL78|V4.21 or later]
登录后下载 ZIP 418 KB Compiler: CC-RL, ICCRL78, LLVM for Renesas RL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
登录后下载 ZIP 3.86 MB 日本語
示例代码
登录后下载 ZIP 169 KB 日本語
示例代码
登录后下载 ZIP 145 KB 日本語
示例代码
登录后下载 ZIP 265 KB 日本語
示例代码
登录后下载 ZIP 176 KB 日本語
示例代码
[Toolchains=CC-RL|V1.15 or later;LLVM for Renesas RL78|V17.0.1.202412 or later;IAR Compiler for RL78|v.5.10.3 or later]
登录后下载 ZIP 418 KB Compiler: CC-RL, ICCRL78, LLVM for Renesas RL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
[Toolchains=CC-RL|V1.15 or later;LLVM for Renesas RL78|V17.0.1.202412 or later;IAR Compiler for RL78|v.5.10.3 or later]
登录后下载 ZIP 4.81 MB Compiler: CC-RL, ICCRL78, LLVM for Renesas RL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
[Toolchains=CC-RL|V1.15 or later;IAR Compiler for RL78|v.5.10.3 or later]
登录后下载 ZIP 449 KB Compiler: CC-RL, ICCRL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
[Toolchains=CC-RL|V1.15 or later;IAR Compiler for RL78|v.5.10.3 or later]
登录后下载 ZIP 3.71 MB Compiler: CC-RL, ICCRL78 Function: Memory IDE: CS+ for CC, e2 studio, IAR EWRL78
示例代码
登录后下载 ZIP 169 KB 日本語
示例代码
登录后下载 ZIP 256 KB 日本語
示例代码
登录后下载 ZIP 144 KB 日本語
示例代码
登录后下载 ZIP 174 KB 日本語
示例代码
[Toolchains=CC-RL|V1.11.xx;IAR Compiler for RL78|v4.21.x]
登录后下载 ZIP 3.84 MB Compiler: CC-RL, ICCRL78 Function: Memory IDE: CS+, e2 studio, IAR EWRL78
示例代码
[Toolchains=CC-RL|V1.11.xx;IAR Compiler for RL78|v4.21.x]
登录后下载 ZIP 428 KB Compiler: CC-RL, ICCRL78 Function: Memory IDE: CS+, e2 studio, IAR EWRL78
19 项目
 

Distribution Method

Target Device FamilyDistribution MethodSoftware name described in the download list
RL78/x1xDownloadFlash Self Programming Library  Note1, 2 
Renesas Flash Sample Program Type01 Note3
RL78/x2xDesign & DevelopmentRenesas Flash Driver RL78 Type01
Renesas Flash Driver RL78 Type02
Renesas Flash Driver RL78 Type11
Renesas Flash Driver RL78 Type03
Note4
78K (78K0R)Contact your local Renesas Electronics marketing office or distributor when wishing to use.-
RXApplication notes and sample codes for RX family related to flash programming are available. Please visit the Application Notes & Sample Code of the Documentation tab on the RX family product page.-

Notes:

  1. In the User's Manual (Hardware) for some RL78 MCUs or the User's Manual for some Flash Libraries for the RL78 family, the self RAM areas used in common for all flash libraries may be shown. However, for the latest information, please refer to the  "RL78 Family Self RAM list of Flash Self Programming Library Rev.3.05 (PDF | English, 日本語)".
  2. Because the self RAM areas are used as the work area for the library, using these areas for the user program is prohibited. For the latest information, please refer to the  "RL78 Family Self RAM list of Flash Self Programming Library Rev.3.05 (PDF | English, 日本語)".
  3. Renesas Flash Sample Program Type01 for RL78/G15 group and RL78/G16 group can be downloaded from [Design & Development].
  4. Refer to Renesas Flash Driver and EEPROM Emulation Software Target MCU List for RL78 (PDF | English, 日本語) for Renesas Flash Driver and EEPROM Emulation Software target MCUs.

Target Devices

支持社区

  1. RX140 data flash 擦除不了

    代码从DOMO中摘取,可以运行,但调试窗口中,看不到擦除效果。 community-ja.renesas.com/.../Data_2B00_Flash_2B00_demo.txt

    2023年2月10日
  2. RL78 data flash

    请问有RL78 data flash例程吗?

    2023年2月22日
  3. RL78 CCRL dataflash 操作的相关设定

    请问一下:        我在做boot loader程序和用户app程序,请问我在app程序中用到了dataflash的相关操作,需要在app程序中的Section Setting中为其分配分 ...

    2023年4月13日
查看所有来自 支持社区 的搜索结果 (17个)

知识库

  1. 在e2studio中使用RL78的代码生成器并将数据闪存库 (Data Flash Library) 设置为“Used”时出现错误消息E0562351: "Section ".bss" cannot be placed on the "SELFRAM area"

    如果在RL78代码生成中将“数据闪存库设置”设为“使用”后直接进行编译,会显示如下错误。 E0562351:Section ".bss" cannot be placed on the "SELFRAM area". 此时,请将Settings ...

  2. e² studio的FAQ集

    ... an imported project (e² studio) 3000425 Sharing folders and files among multiple projects 3000426 Locations of build log files 3000428 An E0562351 error appears when Data Flash Library is set to "Used" with the Code Generator for RL78 in e² studio. 3000432 Browsing toolchain information of a project 3000436 Automating ...

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