Applied Filters:
Filters
Software & Tools
Sample Code
Simulation Models
The RL78/L23 MCU combines ultra-low power operation with rich peripheral features, enabling high-level system design for consumer and industrial HMI applications. It supports capacitive touch sensing, segment LCD control, and advanced timer functions while minimizing system cost and footprint. With dual-bank flash memory, RL78/L23 allows seamless firmware updates without interrupting system operation.
Related Resources
Smart Configurator is a GUI-based tool that can generate code for drivers and middleware and configure pins easily. This video introduces the Smart Configurator for the RL78 Family.
00:00 Opening
00:45 Support Project Template
00:53 Support board usage
01:00 Download software
01:06 Visualize configuration
01:24 Graphical configuration
01:31 Check conflicts
01:31 Generate source codes
01:50 Developer Assistance
This video demonstrates how to import sketches using the RL78 Arduino library into e² studio, as well as how to build and debug them. By debugging in e² studio, you can obtain detailed information and verify the internal workings of the library, which is not possible with the Arduino IDE.
Related Resources
This video introduces how to do AI coding using ChatGPT and the RL78 Arduino-compatible board, including practical examples such as lighting up a 7Seg LED, rotating a motor, and sensing with a temperature and humidity sensor. Even beginners can easily experience AI coding!
Detailed step-by-step instructions:
AI Coding with Chat-GPT for RL78 Microcontroller (Arduino) | Renesas
Related products: RL78/G23-64p FPB
Related sources: Quick Start Guide page (GitHub)
Disclaimer:
１. Informational Purposes Only: This video serves as a general guide to using ChatGPT/GPT-4 to write code for an Arduino RL78 evaluation board. Renesas does not guarantee the accuracy or completeness of the content provided.
ï¼’. Third-Party Rights Infringement: Note that code generated using ChatGPT/GPT-4 might potentially infringe third-party intellectual property rights. Renesas makes no representations or warranties that the use of ChatGPT/GPT-4 will not violate any third-party rights. Users are urged to exercise due diligence to ensure compliance with applicable laws and third-party rights.
３. No Liability: In no event shall Renesas be liable for any damages, data loss, or other adverse consequences that may occur as a result of using the information, code, techniques, or tools demonstrated in this video. You may want to apply industry standard static and dynamic code assessments as AI code has been recognized to possibly contain malware fragments as well as deriving other unwanted outcomes.
This video introduces how to run a sketch on the RL78/G23-64p Fast Prototyping Board using the Arduino IDE 2.
Related resources: Quick Start Guide page (GitHub)
00:00 Opening
00:43 Install the Arduino IDE
01:12 Install the tools
01:35 Write the sketch
01:56 COM port setting
02:24 Board setting
02:41 Compile, upload, LED blinking
This video introduces RL78 LoRa®-based Solution.
It realizes a true low-power wireless IoT system by combination of the world's top-class low power RL78 microcontroller and LoRaWAN®
This video will show you how to set up the RL78 LoRaWAN® Sensor Demo.
Using the RL78 / G23 and LoRaWAN® ecosystem, you can realize both the "LoRaWAN sensor network evaluation" and "IoT system construction using LoRaWAN" with minimal man-hours.
This video will show the steps to connect and operate the RL78 Modbus evaluation environment for master and slave with sample software in the application note.
The evaluation environment uses Renesas' RL78/G22 Fast Prototyping Board and RS-485 Transceivers Evaluation Board.
RL78/G22 Modbus ASCII/RTU Application Note Rev.1.10 (ZIP | English, 日本語)
News & Blog Posts
News
Aug 27, 2025
|
Blog Post
Aug 27, 2025
|