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e² studio - information for RISC-V MCU

IDE and Coding Tool

e² studio 2025-12 installer for Windowse² studio 2025-12 installer for Linuxe² studio 2025-12 Release Note

Overview

e² studio is an Eclipse-based integrated development environment (IDE) for Renesas MCUs. In addition to Eclipse’s own powerful code editor, e² studio offers a rich range of extended functions. e² studio covers all development processes, from the downloading of sample code to debugging.

 

ArchitectureVer.Released
64-bit version2025-12Dec 12, 2025

 

FAQ

Title
e² studio FAQs
Where can I find e² studio tutorial?

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Downloads

Documentation

Design & Development

Videos & Training

This video demonstrates how to show or hide toolbar buttons for each perspective in e² studio.

Additional Details

e² studio

See the table below for features of the software and tools available for use with the e² studio on RISC-V MCU products.
For an overview of the functions and features of the e² studio, refer to e² studio (the general page).

Code generation support and other useful functions for RISC-V MCUs

Tool nameDescription
Smart ConfiguratorA GUI-based tool that provides support for downloading and importing middleware for code generation and configuring various settings
Smart BrowserA function that allows you to easily search and show the latest version of the hardware manual, technical updates, application notes, and tool news for the Renesas microcontroller you are using

Compilers for RISC-V MCUs

Supported CompilerInformation on usage
Open Source
・LLVM for Renesas RISC-V MCU
  • The GNU compilers can be installed through selection with the installer of the e² studio. This requires an Internet connection.
  • The GNU compilers can be installed free of charge by downloading from the GNU Web site (https://llvm-gcc-renesas.com).
    Registration of these compilers with an e² studio which has already been installed is required.
  • LLVM for Renesas RISC-V MCU is available for 2024-01.1 and later versions of the e² studio.

 

Debugging tools for RISC-V MCU

Note

  • Product from a Renesas partner

Support

Support Communities

  1. How can I program (upload code onto) Renesas microcontrollers? What programmers to use?

    ... programmers be used? I am trying to find more affordable programmers to the E2 Lite both from Renesas and third parties that would work with e2 studio and get my code onto these chips. I also have one more unrelated question, but is it possible to program (write code for ...

    Dec 31, 2021

Knowledge Base

  1. Differences between e² studio and CS+ Integrated Development Environments

    ... studio, CS+. For more information, see the IDE Release Notes and the respective documentation. [Supported Device Families]e² studioCS+ (CS+ for CC) CS+ (CS+ for CA,CX) RX, RL78, RH850,RA, RZ, RE,Renesas Synergy™,RISC-V MCURX, RL78, RH850 RL78, 78K, V850 [Supported Compilers]e² studio ...

    Oct 9, 2024
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