The Renesas Starter Kit for RX231 is the perfect starter kit for developers who are new to the RX231. The kit includes an LCD display module, on-chip debugging emulator, and integrated development environment so you can start evaluating the RX231 immediately after opening the box. Please use this product to experience the performance and functions of the RX231.

About the bundled emulator

We have already discontinued production of the E1 emulator due to components of the product having reached their EOL (end of life, i.e. end of production). Please click on the following link to confirm the details and our successor products.
[Notification] End of Life (EOL) Notice for E1 Emulator (PDF | English, 日本語)

The Renesas Starter Kit which includes the E1 emulator is for sale as long as stocks last. There are no changes to the included emulator.
After stock of the Kit with E1 emulator ends, the kit will not include the E1 emulator.
[Notification] End of Life (EOL): Renesas Starter Kits with E1 Emulator (PDF | English, 日本語)
The IDE and flash programmer of the DVD-ROM do not support the E2 emulator and E2 emulator Lite. When you use either of the emulators, download the latest tool from the Renesas website.

Touch Demonstration Project

The RSKRX231 includes a simple demonstration project to showcase the touch functionality of the RX231 device.
As a customer touch project is dependent not only on the embedded code, but also on a PC tuning application that is specific to the selected compiler and IDE.
Capacitive Touch Sensor System (Second-Generation Capacitive Touch Technology)


  • Touch feature (self-capacitive type) can be evaluated.
  • 1 channel USB Function and 1 channel USB Host can be evaluated.
  • In addition, CAN, IIC, etc. can be evaluated.
  • Including sample codes (Sample programs will be available in Renesas Web site). Easy to understand coding technique.
  • Required IBM-PC compatible PC (need USB interface, Processor 1GHz over), OS: Windows 8/7/Vista (other than the listed OS is not supported)



  • Building Management System
  • Machine Tool
  • HEMS
  • Meter
  • MFP
  • Refrigerator
  • Washing Machine
  • Air Conditioner
  • IoT
  • Capacitive Touch Sensor System
  • Building Management System
  • Factory Automation (FA) Equipment
  • Machine Tool
  • HEMS
  • Smart Meter


Design & Development

Software & Tools

Software & Tools

Software title
Software type
Quick-Connect IoT Platform
Quick-Connect IoT platform enables fast prototyping by providing compatible hardware and software building blocks.
Other Hardware Renesas
1 item

Software Downloads

Type Title Date
Board Description File ZIP 1 KB
Software & Tools - Other Log in to Download ZIP 554 KB
PCB Design Files Log in to Download ZIP 848 KB 日本語
Software & Tools - Other Log in to Download EXE 77.20 MB
Software & Tools - Other Log in to Download ZIP 日本語
5 items

Sample Code

Lab on the Cloud

Lab on the Cloud

Use our PC-based GUI to instantly start configuring and testing designs in our virtual lab, no physical board needed.

The RX family is suitable for applications requiring digital signal processing. This solution performs analog signal input, IIR filter, FFT, and HMI processing with a single microcontroller.