IAR Systems, a future-proof supplier of software tools and services for embedded development, announces the availability of a major update of its development tools for Renesas RX.

Release notes for IAR Embedded Workbench for Renesas RX version 4.12.1 - Released June 19, 2019:

RX66T-H and RX72T support
The RX66T-H and RX72T families based on Renesas third-generation 32-bit RX CPU core (RXv3) are now supported. This includes support for the following new device features:
- Arithmetic unit for trigonometric functions (TFU) that handles the calculation of sines, cosines, arctangents, and sqrt(x2 + y2) directly in hardware.
- Register-saving banks and instructions for fast saving and restoring of CPU registers in interrupt handlers.
E2 emulator power debugging in C-SPY
The E2 emulator allows you to measure the dynamically changing current drawn by the user system. This is visualized as a graph in the C-SPY Timeline window as well as a list of time-current value pairs in the Power Log window. It is also possible to stop execution when the current goes above or below a certain user-defined threshold value.
C18 support
The default Standard C is now C18 (ISO/IEC 9899:2018).
C++17 support
The compiler now supports almost all C++17 features. The C++ library supports C++14 with no C++17 additions.
Improved Source Browser
The following improvements have been made to the Source Browser:
- The source browser data is generated faster as it is now running as a separate thread.
- New Source Browser Log window.
- Status indicator in the status bar.
- Enhanced feedback in case source browsing data cannot be generated.
Documentation Comments support in the editor
The editor can distinguish comments that start with /**, /*!, /// or //! as Documentation Comments. Inside a Documentation Comment, the editor can recognize keywords that begin with \ or @. If the keyword is recognized as a doxygen keyword, the Documentation Comment will appear in tooltips and parameter hints for variables and functions. See IAR Embedded Workbench IDE Project Management and Building Guide for more information.
Updated user documentation
The IAR Embedded Workbench IDE Project Management and Building Guide, IAR C/C++ Development Guide and C-SPY Debugging Guide have been updated to reflect the product changes.



About Embedded Workbench for Renesas RX. IAR Embedded Workbench is a high-performance C/C++ compiler and debugger tool suite for applications based on 8-, 16-, and 32-bit microcontrollers, including virtually the entire range of Renesas MCUs. It incorporates a compiler, an assembler, a linker and a debugger into one integrated development environment. IAR Embedded Workbench provides fully integrated debug support for Renesas debuggers, as well as third party debuggers, ensuring access to a powerful development environment.

Most products include OS-aware debug plug-ins and MISRA C checker as standard, and can be further extended with fully integrated state machine tools, and other software products.

IAR Embedded Workbench for RX is enabled with IAR Systems' innovative power debugging technology and features power profiling and power visualization.

In this video, you get a demo of how to work with integrated code analysis in IAR Embedded Workbench for RX. C-STAT static analysis and C-RUN runtime analysis are available as add-ons to bring code quality control to the desk of every developer.

About IAR Systems. IAR Systems supplies future-proof software tools and services for embedded development, enabling companies worldwide to create the products of today and the innovations of tomorrow. Since 1983, IAR Systems' solutions have ensured quality, reliability and efficiency in the development of over one million embedded applications. The company is headquartered in Uppsala, Sweden and has sales and support offices all over the world. Since 2018, Secure Thingz, a provider of advanced security solutions for embedded systems in the IoT, is part of IAR Systems.

Product: IAR Embedded Workbench
Version: Renesas RX (version 4.12.1)
Supported Architectures: 32bit / 64bit
Website Home Page :
Language: english, 日本語
System Requirements: PC *
Supported Operating Systems: *
Size: 952.2 mb

To install and run this version of IAR Embedded Workbench you need:

- A Pentium-compatible PC with Microsoft Windows XP(SP3), Vista(SP2), or Windows 7. Both 32-bit and 64-bit variants of Windows are supported.
- Internet Explorer 7 or higher
- At least 1 Gbyte of RAM, and 2 Gbytes of free disk space.
- Adobe Acrobat Reader to access the product documentation

Third-party debugger drivers, might or might not work depending on their level of support for the Windows version used.