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RX Driver Package

RX Driver Package Software Platform Helps Speed Up Time to Market

The RX Driver Package is a software package for using such basic functions as initializing MCUs, programming flash memory by self-programming, timer control, UART communications, and A/D conversion, and application functions such as USB and Ethernet transfer and control (for OS-less development).


RX Driver Package V1.14 released. Supported general configuration window for FIT modules. Various existing FIT modules have also been updated. Learn More (Tool News) >>

Release Information

Latest Ver.: V1.14
Released: Mar. 1, 2018

Details of upgrade (See Tool News)

Operating Environment

Details and points to note regarding revisions of various Firmware Integration Technology (FIT) modules included in the RX Driver Package (See Tool News)



  • 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 Firmware Integration Technology (FIT) can be used for all RX-series products, and can reduce the cost of developing software as you expand your product development.


  • FIT middleware module
  • FIT interface module
  • FIT peripheral function module
  • Board support package (BSP) module

Operating Environment

IDE e² studio V6.2.0
Cross tool V2.08.00 of C/C++ Compiler Package for RX Family
Emulators E1, E20, and E2 emulator Lite

For details, refer to the application notes for this product.



Obtaining the product

FIT module list

Below you will find information to support the development of your application.


Information supporting development tools

Title Description
My Renesas Create a My Renesas account to use our tool download services,
receive e-newsletter/update notifications, and take advantage of our other services.
e-learning Information for studying and learning about microcontrollers and microprocessors.
FAQ Frequently asked questions and useful hints for development.
Forum A forum and community site to share technical information,
questions and opinions with others who use Renesas MCU's.
Tool News Tool release information and other important information.
Operating Environment Information on system requirements and operating environment for the latest
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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