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 - RH850:How to use the hot plug function of e² studio? Renesas e² studio Version: 2022-10 (22.10.0)
I encountered a problem when using the hot plug function, as shown in the picture below. Does anyone know the reason? How to solve it? Thank you so much! I set the hot plug to YES Then I connected the debugger to the target board and hit OK.The problem ...
Feb 2, 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 - 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 MCU RX, RL78, RH850RL78, 78K, V850 [Supported Compilers]e² studio ...
Oct 9, 2024
Support Communities
