SEGGER’s ready to use emWin graphics library solution delivers a flexible, professional GUI platform, enabling the creation of highly efficient, high-quality, interactive graphical user interfaces for the Renesas RA MCU Family on any display.


  • Professional GUI library, available at no charge for Renesas RA
    • Source code upgrade option available from SEGGER
  • Optimized for microcontroller-based systems
  • Simple to configure and integrate
  • Visualization and debug tools available for free
  • Multilayer support in software and hardware
  • Automatic multiple buffering support
  • Supports all display types: LCD, TFT, LED, EPD
  • Utilizes the Renesas RA’s TFT LCD controller and 2D graphics engine



  • Industrial controls
  • Smart home/IoT
  • Home appliances
  • Consumer electronics
  • Safety-critical devices
  • Automotive
  • Medical devices
  • Avionics


Software & Tool Pages

Flexible Software Package (FSP)FSP is an enhanced software package designed to provide easy-to-use, scalable, high-quality software for embedded system designs using Renesas RA Family of Arm Microcontrollers. Note: FSP with e² studio Installer (Platform Installer) will install the e² studio tool, FSP packs, GCC toolchain and Segger J-Link drivers required to use this software. No additional installations are required. Software Package Renesas


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Product Brief
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Manual - Development Tools
Rich Graphics and HMI

The embedded D/AVE 2D graphics engine on the RA6M3 allows for the creation of rich and immersive graphical environments. Customers can design their GUI from scratch, or use the included SEGGER emWin package, an embedded GUI solution enabling the creation of highly efficient and high-quality graphical user interfaces. Users of the RA family receive the full emWin package for their commercial applications free of charge as an object code library. A basic emWin application example ships as the out-of-the-box graphics demo on the EK-RA6M3G evaluation kit.