Overview
Description
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
| Architecture | Ver. | Released |
|---|---|---|
| 64-bit version | 2025-12 | Dec 12, 2025 |
| 32-bit version (Note1) | V7.8.0 | Apr 20, 2020 |
Note
- Henceforth, only the 64-bit version of the e² studio is to have regular updates. Updates to the 32-bit version of the e² studio, on the other hand, will be limited to essential modifications.
- Details of upgrade (See Tool News)
- Operating Environment
- How to install (User's Manual chapter 2)
Information on Usage
e² studio Integrated Development Environment User's Manual: Getting Started Guide RX, RL78, RH850 Family Rev.1.00 (PDF | English, 日本語)
FAQ
| Title |
|---|
| e² studio FAQs |
| Where can I find e² studio tutorial? |
| Project Migration from CS+ to e² studio |
Target Devices
Design & Development
Videos & Training
This video demonstrates how to show or hide toolbar buttons for each perspective in e² studio.
Additional Details
See the table below for features of the software and tools available for use with the e² studio on Rh850-family products.
For an overview of the functions and features of the e² studio, refer to e² studio (the general page).
Compilers for the RH850 Family
| Supported Compiler | Information on Usage |
|---|---|
| Renesas C Compiler Package for RH850 Family [CC-RH] |
|
| IAR IAR C/C++ Compiler for Renesas RH850 |
|
| Green Hills Software Green Hills Compiler |
|
Note:
- Supported by e² studio 2022-07 and later versions.
- CC-RH V2.06.01 supports Ubuntu version 20.04. Support for other versions of Ubuntu is under consideration for the next version.
Debugging tools for RH850 Family
Note
- The E2 emulator can be used with V7.0.0 and later versions of the e² studio. The usable functions are the same as for the E1.
Support
Support Communities
- IDE selection for RH850 Microcontroller
Which IDE is suitable for RH850 Microcontroller
Sep 18, 2023 - Remote debugging GDB Server (e2-server-gdb.exe) for RH850 family
... main -uSyncMode=async -uTraceCore=PE0 -uFirstGDB=main --english --gdbVersion=12.1CoreSettings::getCoreEnabled - Empty Enabled ListCoreSettings::getCoreEnabled - Empty Enabled ListCoreSettings::getCoreEnabled - Empty Enabled List Connecting to RH850 Target GDBServer endian : littleStarting target connection Version Information:GDB action 'connect to target', has failed with error code, 0x80080008 Could you check it for ...
Jun 27, 2025 - Tool Chain: e2 Studio vs CS+
Dear Forum members, I want to decide for using CS+ or e2 Studio tool chain for my development for RH850 family (R7F7017603AFP). Both tool chains support my selected MCU. I have heard few pros and cons for both these tool chains. Again both these tool chains are from Renesas only ...
Aug 11, 2023
Knowledge Base
- Where Can I Find the e² studio Tutorials?
... com/e2studio-rze2 studio for RL78 Family: https://www.renesas.com/e2studio-rl78e2 studio for RX Family : https://www.renesas.com/e2studio-rxe2 studio for RH850 Family: https://www.renesas.com/e2studio-rh850 Suitable Productse² studio 日本語
Dec 28, 2022 - How can I generate combine single to multiple Intel hex file?
... from that with the lowest address. Example: To generate file3.mot by combining file1.mot and file2.mot"C\...\rlink.exe" file1.mot file2.mot -form=stype -output=file3.mot An information file (link map file) which includes the details of the appending will be output if the –list option ...
Jul 27, 2020 - Configure multiple CRC operations
... of "CRC operations" under "CRC Operation" in CC-RL Property.The CRC Operations dialog will appear, so please configure the necessary number of output address information in the Output address list. If you are using e2 studioOpen the project properties dialog in one of the following ways: Right-click ...
Mar 27, 2026
Support Communities
