[Upgraded to Version] e² studio 2024-04 (PDF | English, 日本語)
RISC-V Smart Configurator supports the new device RISC-V MCU R9A02G021, Ultra-low Power 48MHz MCU with Renesas RISC-V CPU Core. (e² studio 2024-01.1 or later)
[Recommended] Set of 3 short videos for e² studio Quick Start Guide now available.

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.


Release Information

Target Devices


Type Title Date
Upgrade - IDE Log in to Download ZIP 1,587.34 MB 日本語
1 item


Type Title Date
Release Note PDF 2.91 MB
Manual - Development Tools PDF 3.53 MB 日本語
Release Note PDF 2.64 MB
Application Note PDF 980 KB 日本語
Application Note PDF 1.11 MB 日本語
Application Note PDF 2.26 MB 日本語
Application Note PDF 2.00 MB 日本語
Application Note PDF 1.79 MB 日本語
8 items

Design & Development

e² studio Quick Start Guide (1/3) - Installation for RISC-V MCU

This video demonstrates how to install e² studio for Renesas RISC-V MCU.

View the remaining sections of the Quick Start Guide below.

e² studio Quick Start Guide (2/3) - Project Generation for RISC-V MCU
e² studio Quick Start Guide (3/3) - Build and Debug for RISC-V MCU

Related resources:

Video List

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


  • Product from a Renesas partner