The Clarinox wireless protocol stacks, debugger, and reference applications simplify the development of connected devices. The Bluetooth® (BT), Bluetooth Low Energy (LE), and Wi-Fi software is suitable for the Renesas RA MCUs. Clarinox software is ported to all major RTOS/OS and a good range of wireless chipsets to provide flexibility for developers enabling an out-of-box experience on their choice of target RTOS and wireless hardware. The solution is suitable for products with more demanding connectivity requirements across a range of applications.

Market Advantage

  • Support for the latest Bluetooth/Bluetooth Low Energy/Wi-Fi specifications
  • Powerful ClariFi debugger
  • Flexible and portable – OS agnostic
  • Handle complex use cases
  • Smaller application code
  • All profiles/roles available
  • Reference applications for all use cases
  • Simultaneous profiles/roles
  • Easier, faster development


  • Based on Renesas' RA6 32-bit microcontroller family using Renesas e2 studio and FreeRTOS
  • Support for other toolchains and other RTOS
  • ClariFi provides memory leak detection, Wi-Fi, Bluetooth protocol analysis
  • ClariFi automated test tools allow interactive testing without recompiling the target firmware
  • Both blocking and non-blocking API calls for single or multiple thread applications
  • Remote Procedure mode to separate application and stacks into two CPUs
  • Single mode or dual mode Bluetooth Classic/Low Energy stacks
  • Support for all Bluetooth use cases including HFP/A2DP audio, BLE AOA/AOD, BLE isochronous audio
  • Support for BLE mesh provisioner/network nodes with Friend, Low Power, Relay, and Proxy roles and models
  • Wi-Fi supports simultaneous AP, STA, and P2P roles for 2.4/5GHz with personal and enterprise security




  • Industrial
  • IoT
  • Smart buildings
  • Appliances (home/office)
  • Wearables
  • Healthcare
  • Transportation
  • Metering


Software & Tool Pages

Software title
Software type
e² studio
Eclipse-based Renesas integrated development environment (IDE). [Support MCU/MPU: RA, RE, RX, RL78, RH850, Renesas Synergy, RZ]
IDE and Coding Tool Renesas
1 item


Type Title Date
Product Brief PDF 829 KB 日本語
Quick Start Guide Log in to Download PDF 1.90 MB
2 items
Clarinox IoT Demonstration on Renesas RA6M3 Evaluation Kit

In this demonstration, ClarinoxBlue and ClarinoxWiFi wireless protocol stacks are deployed on the Renesas RA6 evaluation kit to create an IoT Gateway device.