The RL78/G1M Fast Prototyping Board is an evaluation board that is equipped with an RL78/G1M microcontroller, a new product in the RL78 microcontroller family that specializes in application prototyping. There is a built-in emulator circuit that is equivalent to an E2 emulator Lite so you can write/debug programs without additional tools. Since it comes standard equipped with an Arduino Nano header, you can use the interface without modifying the hardware. In addition, debugging is easy with the Arduino Nano header and combined use function which provides access to all pins of the target microcontroller.


  • Equipped with an 8-bit RL78/G1M microcontroller (20-pin, ROM: 8KB, RAM: 1.0KB)
  • No additional tools are required for program debugging/writing with the built-in emulator circuit equivalent to an E2 emulator Lite
  • Able to access all the microcontroller pins
  • Arduino Nano header comes standard
  • Support for various RL78 software and tools


PDF 651 KB Quick Start Guide
PDF 2.01 MB Manual - Software
PDF 1.30 MB 日本語 Manual - Hardware
PDF 514 KB 日本語 Application Note
PDF 188 KB Manual - Development Tools
PDF 873 KB 日本語 Manual - Development Tools
PDF 167 KB Manual - Software
PDF 225 KB Datasheet
PDF 3.00 MB 日本語 Manual - Hardware
9 items

Design & Development

Sample Code

Sample Code

Title Type Date Date
ZIP 1.78 MB Compiler: CC-RL, ICCRL78 IDE: CS+, e2 studio, IAR EWRL78 Sample Code
1 item
Getting Started with Fast Prototyping Board for RL78 Family