FreeRTOSTM software platform for RX MCUs: helping to reduce system development times

Renesas FreeRTOS makes it easy to create applications using FreeRTOSTM with Firmware Integration Technology (FIT) and Smart Configurator.


RX Family Renesas FreeRTOS V.1.03 released. The support for GCC compiler started.

Release Information

Released: Apr.20.2020


  • You can use the open-source FreeRTOSTM real-time OS in developing multi-tasking applications.
  • Take advantage of the hardware by combining the middleware and device drivers we provide with the real-time OS.
  • This package allows you to start using the peripheral functions of RX MCUs at once, and can shorten times taken in considering prototypes.
  • Applications which utilize FIT can be used for all RX-series products, and can reduce the cost of developing software as you expand your product development.


  • FreeRTOSTM

Operating Environment

IDE or later

FreeRTOSTM is a trademark of Amazon Web Services, Inc.

Development Tools Support

Title Description
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version of tools.
Info on Discontinued Products A list of Renesas software and tools that have been discontinued and
are no longer being offered for new projects.
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