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描述

Topics
・The software for floating license management (Linux) has been updated to V2.10.00, and a new version for macOS has been added.

In development of embedded systems, C/C++ Compilers for the RX Family offer powerful optimizations for enhancing execution speed and code efficiency, and the utilities to increase productivity. Products differ depending on each integrated development environment.

 

特性

  • ANSI-compliant
    • Support C89, C99(Except for variable length array), C++ of ANSI
  • Superior optimization
    • Optimization produces code that has excellent performance in execution.
    • Optimization for size has also been strengthened to produce more compact code.
    • A variety of optimization options is specifiable through the GUI of the IDE you are using.
    • In addition to optimization for compilers and standard libraries, optimization at the linker level is included.
  • Cooperated with RX MCU architecture
    • Supports a high-speed interrupt function (-fint_register option)
    • Provides intrinsic functions
  • Support for easy translation from existing MCUs [ Learn more ]
    • Supports the utilization of software resources for existing M16C and H8S and so on
    • Supports the translation to more compact object for RX smoothly by the compiler options absorbing/reporting compiler-specific language and powerful optimizations
  • Highly accurate simulator
    • Possible to evaluate and debug with high accuracy by a variety of debugging functions such as an array of break functions and virtual interrupt function
  • An MISRA C rule checker supports the description of high-quality program [Professional edition only]
    • Supports automatic checking of C source code based on the MISRA-C: 2004/2012 rules as compiler options
    • About MISRA C, refer to here.
  • Learn More

发布信息

Product NameCompiler Name / Release Date of the Latest VersionDownload
RX Family C/C++ Compiler PackageCompiler: CC-RX V3.07.00 (Windows)
Released: Jan 20, 2025
 Details of upgrade (See Release Note)
CC-RX for CS+
Note1
CC-RX for e² studio
Note2
License Manager for Windows
Compiler: CC-RX V3.07.00 (Linux)
Released: Jan 20, 2025
 Details of upgrade (See Release Note)
CC-RX for Linux
Note3
License Manager for Linux
Note4

Note

  1. Update CS+ if you are not already using the latest version.
  2. Separately install the e² studio.
  3. Equivalent to the same version for Windows. Requires a license manager for Linux.
  4. The license manager for Linux does not have a GUI and is operated using a command line interface (CLI).

FAQ

See all related FAQs

目标设备

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46 项目
类型 文档标题 日期
手册 - 开发工具 PDF 621 KB 日本語
Since the Software for floating license Management (for Linux/macOS) is only available as a command line version, we will publish a separate user's manual that explains how to use the command line version and its functions, separate from the conventional Softwar for floating license Management (GUI version) for Windows.
发行说明 PDF 322 KB 日本語
This release note announces that in addition to the existing Software for floating license management (for Windows/Linux), we have now started providing new Software for floating license management (command line version) for macOS. This document explains installation/uninstallation on macOS and Linux, as well as basic usage (registering/deleting floating license keys, displaying a list of registered floating license keys, etc.).
工具新闻 - 发布公告 PDF 153 KB 日本語
This is a tool news announcing a revision of the Software for floating license management (for Linux/macOS). This document describes the first support for macOS (using the Terminal), the operating environment, improvements, installation/uninstallation methods, and simple usage instructions.
传单 PDF 188 KB English , 日本語
工具新闻 - 注意事项 PDF 180 KB 日本語
This is Tool News announcing the notes regarding ""C/C++ Compiler Package for RX Family [CC-RX]"". In CC-RX V2.07.00 to V3.07.00, When you build a program including the strncmp() string operation library function with the -avoid_cross_boundary_prefetch option, incorrect code may be generated. This document explains Conditions, Workaround, and Schedule for Fixing the Problem.
手册 - 开发工具 PDF 432 KB 日本語
手册 - 开发工具 PDF 920 KB 日本語
手册 - 开发工具 PDF 462 KB 日本語
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工具新闻 - 发布公告 PDF 125 KB 日本語
This is a tool news announcing a revision of the License Manager (for Linux). This document describes the products that are subject to the update, the revision details (a summary of the functional improvements and changes described in the release notes), and how to update.
工具新闻 - 发布公告 PDF 128 KB 日本語
This is a tool news announcing a revision of the License Manager (for Windows). This document describes the products that are subject to the update, the revision details (a summary of the functional improvements and changes described in the release notes), and how to update.
工具新闻 - 发布公告 PDF 124 KB 日本語
This is a tool news announcing a revision of the Software for floating license management (for Linux). This document describes the products that are subject to the update, the revision details (a summary of the functional improvements and changes described in the release notes), and how to update.
工具新闻 - 发布公告 PDF 126 KB 日本語
This is a tool news announcing a revision of the Software for floating license management (for Windows). This document describes the products that are subject to the update, the revision details (a summary of the functional improvements and changes described in the release notes), and how to update.
工具新闻 - 注意事项 PDF 172 KB 日本語
发行说明 PDF 259 KB 日本語
工具新闻 - 发布公告 PDF 159 KB 日本語
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传单 PDF 297 KB English , 日本語
工具新闻 - 注意事项 PDF 172 KB 日本語
手册 - 开发工具 PDF 5.02 MB 日本語
发行说明 PDF 274 KB 日本語
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发行说明 PDF 355 KB 日本語
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工具新闻 - 注意事项 PDF 233 KB 日本語
工具新闻 - 通告 PDF 167 KB 日本語
发行说明 PDF 320 KB 日本語
发行说明 PDF 239 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 146 KB 日本語
应用说明 PDF 978 KB 日本語
AI 生成的摘要: Programming techniques focus on improving code size, execution speed, and ROM data size through compiler options, language extensions, and coding methods. Key compiler options influence instruction alignment, division operation handling, stack protection, and prefetch behavior, affecting performance and code efficiency. Optimization settings such as loop unrolling, inline expansion, and instruction scheduling are detailed to enhance output. The effects of these options vary depending on source code specifics and compiler version. This guide provides practical insights into selecting and applying these options to maximize RX family C/C++ compiler efficiency.
工具新闻 - 发布公告 PDF 45 KB 日本語
发行说明 PDF 329 KB 日本語
传单 PDF 522 KB English , 日本語
发行说明 PDF 325 KB 日本語
工具新闻 - 发布公告 PDF 46 KB 日本語
工具新闻 - 通告 PDF 35 KB 日本語
工具新闻 - 注意事项 PDF 206 KB 日本語
发行说明 PDF 231 KB 日本語
工具新闻 - 注意事项 PDF 202 KB 日本語
手册 - 开发工具 PDF 827 KB 日本語
发行说明 PDF 447 KB 日本語
工具新闻 - 通告 PDF 87 KB 日本語
工具新闻 - 发布公告 PDF 319 KB 日本語
发行说明 PDF 384 KB 日本語
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工具新闻 - 通告 PDF 143 KB 日本語
工具新闻 - 注意事项 PDF 180 KB 日本語
工具新闻 - 通告 PDF 131 KB 日本語
应用说明 PDF 2.33 MB 日本語
AI 生成的摘要: The professional edition of Renesas compilers enhances embedded software development by providing advanced features such as MISRA-C:2004/2012 rule checking, stack smashing detection, and enhanced security for dynamic memory management. It supports CC-RL, CC-RX, and CC-RH compiler families with additional capabilities like half-precision floating-point and control register synchronization for CC-RH. Licenses include standard, professional, upgrade, and annual options, with a 60-day evaluation period available. The document details feature usage with C source code examples to improve program quality and development efficiency.
手册 - 开发工具 PDF 1.13 MB 日本語
发行说明 PDF 382 KB 日本語
工具新闻 - 注意事项 PDF 226 KB 日本語
工具新闻 - 发布公告 PDF 38 KB 日本語
工具新闻 - 推介工具 PDF 218 KB 日本語
工具新闻 - 推介工具 PDF 408 KB 日本語
传单 PDF 530 KB 日本語
工具新闻 - 注意事项 PDF 145 KB 日本語
工具新闻 - 发布公告 PDF 94 KB 日本語
工具新闻 - 发布公告 PDF 98 KB 日本語
发行说明 PDF 286 KB 日本語
发行说明 PDF 212 KB 日本語
手册 - 开发工具 PDF 58 KB 日本語
手册 - 开发工具 PDF 226 KB 日本語
工具新闻 - 推介工具 PDF 242 KB 日本語
工具新闻 - 注意事项 PDF 113 KB 日本語
工具新闻 - 注意事项 PDF 222 KB 日本語
工具新闻 - 推介工具 PDF 171 KB 日本語
手册 - 开发工具 PDF 1.73 MB 日本語
工具新闻 - 推介工具 PDF 353 KB 日本語
工具新闻 - 注意事项 PDF 366 KB 日本語
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工具新闻 - 通告 PDF 411 KB 日本語
工具新闻 - 注意事项 PDF 87 KB 日本語
工具新闻 - 注意事项 PDF 236 KB 日本語
应用说明 PDF 791 KB 日本語
AI 生成的摘要: The document explains programming techniques for the RX Family C/C++ Compiler Package (CC-RX) to optimize code size, execution speed, and ROM data size. It categorizes methods into options, language extensions, and coding techniques. Compiler options impact performance differently depending on source code details. Key options include instruction alignment for RX200 and RX600 series, suppression of division instructions to reduce interrupt response time, stack protection to detect stack smashing, and optimization modes prioritizing either size or speed. Effects vary with compiler version and source code.
工具新闻 - 注意事项 PDF 97 KB 日本語
工具新闻 - 注意事项 PDF 195 KB 日本語
工具新闻 - 注意事项 PDF 92 KB 日本語
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工具新闻 - 注意事项 PDF 319 KB 日本語
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工具新闻 - 注意事项 PDF 218 KB 日本語
手册 - 开发工具 PDF 19.56 MB 日本語
工具新闻 - 注意事项 PDF 332 KB 日本語
应用说明 PDF 537 KB 日本語
AI 生成的摘要: C99 introduces new primitive types including logical types (bool and _Bool) to represent true or false values, requiring stdbool.h. It also adds complex number types (_Complex and _Imaginary) to handle real and imaginary components, with float, double, and long double variants. Complex number operations such as addition, subtraction, multiplication, division, and comparison are supported using complex.h. The -head=complex option enables complex number library usage.
应用说明 PDF 435 KB 日本語
AI 生成的摘要: Techniques for efficient programming in RX-family C/C++ compilers include optimizing data structures, using the const type for unchanging variables, and managing local and global variables effectively. Structures improve execution speed by grouping related data and enabling relative access. Using const reduces RAM usage by keeping initialization data in ROM. The document details code examples and performance improvements in code size and execution speed.
应用说明 PDF 251 KB 日本語
AI 生成的摘要: The document explains how to use #pragma directives to enhance execution speed and size efficiency in RX family C/C++ compilers. It details inline function expansion to reduce function call overhead, especially for small, frequently called functions, and inline assembly expansion to optimize performance using assembly code within C programs. It also covers conditions where inline expansion does not apply and provides usage formats and examples.
114 项目

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类型 文档标题 日期 日期
示例代码
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1 项目

When purchasing a compiler package, contact your nearest distributor.            
Alternatively, Web sites for online sales are accessible by clicking on a [Buy/Quote] button in the table below.

  • We offer various licenses to suit a range of needs. Refer to Compiler Licenses for details.
  • The license keys of the compiler included in the packages for each of the products are usable with either CS+ or the e² studio.            
    In the Americas and Europe, use the e² studio instead of the CS+.
  • The C/C++ Compiler Package no longer includes the installation medium (CD/DVD).            
    Please obtain the installer from each product page.
  • 2.03.00 or later versions of CC-RX support both floating licenses and annual licenses.

 

Licenses for Newly Purchasing the Latest CC-RX V3

Give the part number from the list below to the distributor. Web sites for online sales are also accessible by clicking on a [Buy/Quote] button in the table below.

Important            
Each of the compiler packages listed below comes with a license which allows you to use the latest version of CC-RX V3.            
Note that commercial editions of versions of the CC-RX compiler that are earlier than V3.00.00 cannot be used although those for which the version is V3.00.00 or later can be used with a license key for CC-RX V3.            
Contact the distributor if you prefer an earlier version.
C/C++ Compiler Package V3 for RX FamilyOnline Sales
PeriodForm of usageEditionPart NumberMouserAvnet
annualNode-LockedstandardLow price            
RTCRX0000CB03WNR
Buy/QuoteBuy/Quote
  professionalRTCRX0000CA03WNRBuy/QuoteBuy/Quote
 FloatingstandardRTCRX0000CB03WNRN1Buy/QuoteBuy/Quote
  professionalRTCRX0000CA03WNRN1Buy/QuoteBuy/Quote
permanentNode-LockedstandardRTCRX0000CS03WNRBuy/QuoteBuy/Quote
  professionalPopular item            
RTCRX0000CP03WNR
Buy/QuoteBuy/Quote
 FloatingstandardRTCRX0000CS03WNRN1Buy/QuoteBuy/Quote
  professionalRTCRX0000CP03WNRN1Buy/QuoteBuy/Quote

For multiple licenses, the end of the part number depends on the number of licenses.

  • For Node-Locked licenses, L5, LA, or LT is added at the end of the part number depending on the number of licenses (5, 10, or 20).            
    (For example, when the number of licenses is 5, the part number is RTCRX0000CP03WNRL5
  • For Floating licenses, the last numeric character “1” at the end of the part number is replaced by 5, A, or T depending on the number of licenses (5, 10, or 20).            
    (For example, when the number of licenses is 5, the part number is RTCRX0000CP03WNRN5

 

License for Upgrading from the CC-RX Standard Edition to the Professional Edition

Give the part number from the list below to the distributor. Web sites for online sales are also accessible by clicking on a [Buy/Quote] button in the table below.

C/C++ Compiler Package V3 for RX Family Upgrade (Edition)Online Sales
PeriodForm of usagePart NumberMouserAvnet
permanentNode-LockedRTCRX0000CU03WNRBuy/QuoteBuy/Quote

Note

  1. Node-Locked license for CC-RX V3 standard version (permanent) is required.
  2. This form of upgrade (of the edition) is only for node-locked licenses; it will not apply to floating licenses and annual licenses.

For multiple licenses, the end of the Part Number changes depending on the number of licenses.

  • For Node-Locked licenses, L5, LA, or LT is added at the end of the part number depending on the number of licenses (5, 10, or 20).            
    (For example, when the number of licenses is 5, the part number is RTCRX0000CU03WNRL5

 

Licenses for Upgrading from CC-RX V2 to CC-RX V3

Give the part number from the list below to the distributor. Web sites for online sales are also accessible by clicking on a [Buy/Quote] button in the table below.

C/C++ Compiler Package V3 for RX Family Upgrade (Version)Online Sales
PeriodForm of usageEditionPart NumberMouserAvnet
permanentNode-LockedstandardRTCRX0000CE03WNRBuy/QuoteBuy/Quote
  professional (Note1)RTCRX0000CV03WNRBuy/QuoteBuy/Quote
 FloatingstandardRTCRX0000CE03WNRN1Buy/QuoteBuy/Quote
  professional (Note1)RTCRX0000CV03WNRN1Buy/QuoteBuy/Quote

Note

  1. A professional edition license for CC-RX V2 is required.

For multiple licenses, the end of the Part Number changes depending on the number of licenses.

  • For Node-Locked licenses, L5, LA, or LT is added at the end of the part number depending on the number of licenses (5, 10, or 20).            
    (For example, when the number of licenses is 5, the part number is RTCRX0000CV03WNRL5
  • For Floating licenses, the last numeric character “1” at the end of the part number is replaced by 5, A, or T depending on the number of licenses (5, 10, or 20).            
    (For example, when the number of licenses is 5, the part number is RTCRX0000CV03WNRN5

 

License Requirements

If you will be using the CC-RX for purposes below such as commercial usage, consider purchasing a license for CC-RX.

  • You can use the CC-RX free of charge to evaluate its features and performance before purchasing a license.
  • For more information on the trial period and types of license, see Compiler Licenses.

 

Available Kit and Related Services

IEC61508 Certification Kit for RX Compilers

This kit supports the certification of development tools which are required for the IEC 61508 functional safety standard. Writing software that must satisfy functional safety standards requires verification of the compiler generating code which is safe in the stipulated ways. Renesas offers a C compiler that is certified for functional safety to IEC 61508 Safety Integrity Level (SIL) 3.
IEC61508 Certification Kit for RX Compilers

Renesas also offers RX Functional Safety, a suite of programs and documents, as a functional safety solution for industrial automation.
IEC 61508 Functional Safety Solution

Compiler Qualification (Service to Support Functional Safety)

For customers who are using a compiler for Renesas devices, we offer a support service for the qualification of confidence that development tools meet the requirements of ISO 26262, Road Vehicles Functional Safety. This service incurs a charge.
Compiler Qualification

Compiler Maintenance Service (Agreement for Maintenance Service for a Specified Compiler Version)

Renesas offers a maintenance service for a specific compiler version for customers who are using the compiler over the long term. This service incurs a charge.            
Compiler Maintenance Service

Assistance with Compiler Migration

The IDEs from Renesas (such as the e² studio and CS+) allow for the porting of projects between IDEs to facilitate the reuse of existing resources. Refer to the guidance page of migration when changing your compiler after changing your development environment. The guidance page describes precautions that must be taken when changing compilers, such as differences in options and in extended language specifications.            
Migrating between Integrated Development Environments

图像
Import other IDE Project

Information on the High-performance Embedded Workshop

Related Resources and Ordering (for the High-performance Embedded Workshop IDE)

Release Information
Product NameCompiler Name / Release Date of the Latest VersionEvaluation edition
C/C++ Compiler Package for RX Family            
(The package includes High-performance Embedded Workshop)
Compiler: RX Standard Toolchain            
Released: Mar 16, 2012
[Evaluation Software] RX Compiler CC-RX V.1.02 Release 01 with HEW (ZIP | English, 日本語)
How to Update

You can update the compiler package online without charge through either of the following methods.

Device Information

CPU information added by using the Device File Updater can be selected when creating the workspace for a new project.

Ordering (for Japan)

Contact the distributor if you intend to purchase the High-performance Embedded Workshop edition of the C/C++ Compiler Package for the RX Family.

C/C++ Compiler Package for RX Family (The package includes High-performance Embedded Workshop)
PeriodForm of usageEditionInstallation MediumPart Number for Ordering (Single License)
Not AvailableNode-LockedNot AvailableAvailableR0C5RX00XSW01R

Note

  1. We ended the upgrading of this product with CC-RX V.1.02 release 01.
  2. Note that we do not plan to add the RX100 series, products which include the RXv2 core (the RX64M group and RX700 series), and products which include the RXv3 core to the set of MCUs supported by this version of the compiler.
For multiple licenses, the end of the Part Number changes depending on the number of licenses.
  • For Node-Locked licenses, L5, LA, or LT is added at the end of the part number depending on the number of licenses (5, 10, or 20).            
    (For example, when the number of licenses is 5, the part number is R0C5RX00XSW01RL5

支持社区

  1. E2studio导入官网例程失败

    导入例程时报运行构建器“DDSC Builder”时出错

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