Overview

Description

In development of embedded systems, C Compilers for RL78 Family offers the powerful optimizations for enhancing execution speed and code efficiency, and the utilities to increase productivity. Products differ depending on each integrated development environment.

Topics

New release: CC-RL V1.11.00.
V1.11.00 has expanded functionalities including an improvement in the -SECURITY_ID Option, and addition of Messages.
Learn More: [Upgrade to Revision] C Compiler Package for RL78 CC-RL V1.11.00 (PDF | English, 日本語)

 

Features

  • ANSI-compliant
    • Support C89, C99 of ANSI
      Note: The variable length array type, complex type, and some standard library functions of the C99 standard are not supported.
  • Superior optimization
    • The compiler applies our latest optimization techniques to generate code that has excellent performance in execution (up to a three-fold (Measured for programs held by Renesas) improvement in execution performance over code compiled by the CA78K0R compiler, our previous product)
    • The compiler applies our latest optimization techniques to the generation of compact code (up to a 10-percent (Measured for programs held by Renesas) improvement over the CA78K0R).
    • Easy optimization settings and many optimization features
    • Linker-level optimization is now included in addition to optimization at the compiler level.
  • Cooperated with RL78 MCU architecture
    • Interrupt processing routines can be written in the C language (up to a six-fold (Measured for programs held by Renesas) improvement in interrupt response performance over code compiled by the CA78K0R compiler)
    • Provides intrinsic functions
  • 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]
  • Assistance in Porting Files to the CC-RL from the CA78K0R. [Learn More]
  • Learn More

Release Information

Important:
The C Compiler Package no longer includes the installation medium (CD/DVD). It is offered as the common compiler package for the integrated development environments (CS+/e² studio) and the orderable part numbers have been consolidated to reflect this change.
Refer to Tool News for details.

Product Name Compiler Name / Release Date of the Latest Version Download
RL78 Family C Compiler Package Compiler: CC-RL V1.11
Released: Jan 20, 2022 Details of upgrade (See Release Note)
CC-RL/CC-RX/CC-RH with CS+
Note1
CC-RL for e² studio
Note2
Note
  1. Update CS+ if you are not already using the latest version.
  2. Separately install the e² studio.

FAQ

Title
MCUs which can be used with the free evaluation edition (CC-RL)
Is the RL78 C compiler license bought with CS+ valid for e² studio, too?
How to shorten time until interrupt function processing starts(CC-RL)

See all related FAQs

Target Devices

Downloads

Title Type Date
ZIP19.65 MB日本語
Software & Tools - Evaluation Software
ZIP7.30 MB日本語
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EXE14.57 MB日本語
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EXE14.88 MB日本語
Upgrade - Compiler
ZIP1,306.23 MB日本語
Upgrade - IDE
ZIP1,271.90 MB日本語
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ZIP1,836.21 MB日本語
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EXE1,637.73 MB日本語
Upgrade - IDE

Documentation

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PDF313 KB日本語
Flyer
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Application Note
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Application Note
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Application Note
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Flyer
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Guide
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Guide
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Guide
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Guide
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Guide
PDF8.53 MB日本語
Manual - Development Tools
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Manual - Development Tools
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Release Note
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Tool News - Note
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Tool News - Notification
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Tool News - Release
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Videos & Training

CC-RL/CC-RX/CC-RH Compiler Tutorial - Introduction of Renesas Compiler License Types

This video introduction to the license types of Renesas compiler.

For more information, please visit Compiler License.

CC-RL/CC-RX/CC-RH Compiler Tutorial

  1. Introduction of Renesas Compiler License Types [02:50]  *This video
  2. How to Use a License Manager [02:27]
  3. How to Use a Floating License [03:56]

Other tutorial videos can also be viewed below.

Product Lineup and Ordering Information

We offer various licenses to suit a range of needs. Refer to Compiler Licenses for details of the licenses.

Contact your nearest Renesas Electronics marketing office or distributor regarding purchasing a compiler package.

  • The license keys of the compiler included in the packages for each of the products are usable with either CS+ or the e² studio.
  • The C Compiler Package no longer includes the installation medium (CD/DVD).
    Download the IDE installer (CS+ or e² studio) from the product page.
  • In the Americas and Europe, use the e² studio instead of the CS+.
  • V1.01.00 and later versions of the C Compiler Package for RL78 Family (CC-RL) support both floating licenses and annual licenses.
  • You can purchase multiple licenses if you prefer. The part numbers for ordering differ with the number of licenses you wish to purchase.

Purchasing the latest CC-RL

Important: This information applies to licenses to use the latest version of CC-RL. Check the license for CC-RL that you wish to use before making the purchase.

Package Name Part Number
Product Name Edition Valid Period Node-Locked License / Floating License
RL78 Family C Compiler Package professional
edition
permanent Node-Locked License RTCRL7800CL01WNR
Floating License RTCRL7800CL01WNRN1
annual Node-Locked License RTCRL7800CA01WNR
Floating License RTCRL7800CA01WNRN1
standard
edition
permanent Node-Locked License RTCRL7800CS01WNR
Floating License RTCRL7800CS01WNRN1
annual Node-Locked License RTCRL7800CB01WNR
Floating License RTCRL7800CB01WNRN1
Multiple Licenses (The Part Number varies depending on the number of purchased licenses.)
  Number of Licenses Description Example of Part Number for Ordering
Node-Locked License 5 "L5" is appended as the end of the part number. RTCRL7800CL01WNRL5
10 "LA" is appended as the end of the part number. RTCRL7800CL01WNRLA
20 "LT" is appended as the end of the part number. RTCRL7800CL01WNRLT
Floating License 5 The last character of the single-license part number is replaced with "5". RTCRL7800CL01WNRN5
10 The last character of the single-license part number is replaced with "A". RTCRL7800CL01WNRNA
20 The last character of the single-license part number is replaced with "T". RTCRL7800CL01WNRNT

Upgrading (Editions)

Package Name Part Number Description
Product Name Valid Period Node-Locked License / Floating License

C Compiler Package for RL78 Family V1 Upgrade (Edition)

permanent Node-Locked License RTCRL7800CU01WNR This form of upgrade (of the edition) is only for node-locked licenses; it will not apply to floating licenses and annual licenses.
Multiple Licenses (The Part Number varies depending on the number of purchased licenses.)
  Number of Licenses Description Example of Part Number for Ordering
Node-Locked License 5 "L5" is appended as the end of the part number. RTCRL7800CU01WNRL5
10 "LA" is appended as the end of the part number. RTCRL7800CU01WNRLA
20 "LT" is appended as the end of the part number. RTCRL7800CU01WNRLT

Related Services

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.

Learn More >>

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.

Learn More >>

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.

Learn More >>

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