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This page is for the Renesas RX family of MCUs. The main goal is to make the information about RX MCUs friendly, easy to access for embedded developers.

The links below can be used to get familiar with Renesas RX MCUs. 

• RX 32-Bit Performance / Efficiency MCUs

Getting Started with RX

Here are the resources for RX MCUs on Renesas Website.

• Features of RX
• RX Family Development Environment — Software
  • Development Tools  (Note that in Americas region, only e2studio is supported. )
    • RX Smart Configurator
  • Software
    • Comparison table for the Code Generator and FIT Modules
    • FIT module list
• Handbook for engineer
  Listed the essential information for your development
• Useful Information for RX MCUs
  • Hardware Manual Guide  (introduce how to read the user's manual)
  RX Driver Package

Other resources on Renesas Website.  Links below are pre-configured searches.  You can modify them as needed.  

• User Manuals
• Boards & Kits (includes all boards with RX) 
• Tools
• IBIS Models

e2studio and CS+ are the Renesas supported IDEs.  Note that in Americas region, only e2studio is supported. You can also use Embedded Workbench for RX. 

Supported toolchains are Renesas CC-RX, IAR C/C++ Compiler for RX, and GCC for Renesas RX.  3rd party IDEs and toolchains are supported by respective partner companies. 

Boards

Boards

Official Renesas RX series boards are available RX series boards are available here.  There are several types of boards are available:

• Evaluation Kits (EK)
• Renesas Starter Kits (RSK)
• Fast Prototyping Boards (FPB)
• Target Boards (TB)
• CPU Boards)
• Solution Kits

Each board has its landing page and most have the following information. 

• Board Quick Start Guide
• Board User's Manual
• Board Design Package 

Your First RX Project

The following webpage describes the procedure for creating a C project using the Smart Configurator in e2studio IDE. ​

Your First RX Project

Tips and Tricks

RX Tips and Tricks page contains many useful information and how to notes on everything RX.  We update the page regularly so come and check it often.   

Known Issues and Workarounds

RX Issues page lists known bugs and possible workarounds for HW, SW, and tools.  

RX Specific Topics

Note that detailed topics are discussed in their own pages for easy navigation.  

RX Topic 1

RX Topic 2

RX Specific Topics

This section is to discuss specific topics for RX.  Each topic discussed here can be detailed and lengthy.  Therefore, RX Specific Topics page serves as a table of contents with a short description of the topics followed by a dedicated page for that subject.