IAR Embedded Workbench for Renesas RX
Complete development toolchain to create smaller, faster, smarter code for all RX devices.
User-Friendly IDE
Integrated development environment with project management tools and editor. Included is linker and library tools, configuration files for all devices in the RX family, example projects and code templates as well as Renesas FIT integration.
Powerful Build Tools
IAR C/C++ Compiler is a highly optimizing C and C++ compiler for RX. It offers a relocating RX assembler and run-time libraries, and is compliant with Renesas RX ABI and the ISO/IEC 9899:1999 standard.
Comprehensive Debugger
The C-SPY Debugger is a comprehensive debugger with RX simulator, support for RTOS-aware debugging on hardware, timeline visualizing power consumption, call stack and interrupt activity as well as power debug support with power profiling.
Integrated Code Analysis
IAR Embedded Workbench for RX provides integrated code analysis through the add-on for static analysis C-STAT, ensuring code quality as well as proving alignment with standards such as MISRA C:2012. In addition, the add-on product C-RUN featuring runtime analysis is also available.
Latest Releases
IAR Systems are constantly updating and refining our tools with new features, new device support and extended capabilities.
Latest Version: 4.20
C-STAT Enhancements
- MISRA C:2012 Amendment 1
The static analysis tool C-STAT has extended its coverage of the MISRA C:2012 Coding Standard and now fully supports MISRA C:2012 Amendment 1. This amendment adds 14 additional rules to MISRA C:2012 with a focus on security concerns highlighted by the ISO C Secure Guidelines. Several of these address specific issues pertaining to the use of untrustworthy data, a well-known security vulnerability.
- Extended Coverage of CERT C
The static analysis tool C-STAT has extended its coverage of the SEI CERT C Coding Standard. The SEI CERT C Coding Standard’s goal is to provide rules for developing safe, reliable, and secure systems in the C programming language, with support for C11 constructs. C-STAT covers all rules in the different CERT C sections listed on the CERT C wiki as of January 2020, with the exception of the API, CON, POS, and WIN sections, which are not applicable to IAR Systems products, yielding a total of 90 covered rules.
- Link Analysis Trace Information
The link analysis messages now display trace information when relevant. For checks looking for conflicting symbol names, all conflicting declarations are now listed in the trace information instead of each pair of conflicts being described in a separate message. This might lead to fewer reported messages for the same number of found issues.
IAR Build Tools for Linux
A new product, IAR Build Tools for Renesas RX is available. It contains the IAR C/C++ Compiler, IAR Assembler, Linker and library tools, C-STAT, IARBuild, and runtime libraries.
Renesas Smart Configurator Update
The Renesas Smart Configurator (included) has been updated to V2.7.0.
Latest Version: 4.14
- RX72N and RX66N Supported
The RX72N and RX66N groups of microcontrollers are now supported
- Renesas Smart Configurator update
The Renesas Smart Configurator (included) has been updated to V2.4.0
Wide Support for MCU Devices
Supported Renesas RX Devices
IAR Embedded Workbench for Renesas RX enables you to take full advantage of the performance and power-efficient capabilities of Renesas RX MCUs.

Supported RX Devices
IAR Embedded Workbench for Renesas RX
IAR Embedded Workbench for Renesas RX supports a wide range of RX devices.
Device | Family | Vendor |
R5F51101 | RX110 | Renesas |
R5F51103 | RX110 | Renesas |
R5F51104 | RX110 | Renesas |
R5F51105 | RX110 | Renesas |
R5F5110H | RX110 | Renesas |
R5F5110J | RX110 | Renesas |
R5F51111 | RX111 | Renesas |
R5F51113 | RX111 | Renesas |
R5F51114 | RX111 | Renesas |
R5F51115 | RX111 | Renesas |
R5F51116 | RX111 | Renesas |
R5F51117 | RX111 | Renesas |
R5F51118 | RX111 | Renesas |
R5F5111J | RX111 | Renesas |
R5F51135 | RX113 | Renesas |
R5F51136 | RX113 | Renesas |
R5F51137 | RX113 | Renesas |
R5F51138 | RX113 | Renesas |
R5F51303 | RX130 | Renesas |
R5F51305 | RX130 | Renesas |
R5F51305B | RX130 | Renesas |
R5F51306 | RX130 | Renesas |
R5F51306B | RX130 | Renesas |
R5F51307 | RX130 | Renesas |
R5F51308 | RX130 | Renesas |
R5F513T3 | RX13T | Renesas |
R5F513T5 | RX13T | Renesas |
R5F52103B | RX210 | Renesas |
R5F52104B | RX210 | Renesas |
R5F52105A | RX210 | Renesas |
R5F52105B | RX210 | Renesas |
R5F52106A | RX210 | Renesas |
R5F52106B | RX210 | Renesas |
R5F52107A | RX210 | Renesas |
R5F52107B | RX210 | Renesas |
R5F52107C | RX210 | Renesas |
R5F52108A | RX210 | Renesas |
R5F52108B | RX210 | Renesas |
R5F52108C | RX210 | Renesas |
R5F5210AB | RX210 | Renesas |
R5F5210BB | RX210 | Renesas |
R5F521A6B | RX21A | Renesas |
R5F521A7B | RX21A | Renesas |
R5F521A8B | RX21A | Renesas |
R5F52201B | RX220 | Renesas |
R5F52203B | RX220 | Renesas |
R5F52205B | RX220 | Renesas |
R5F52206B | RX220 | Renesas |
R5F52305 | RX230 | Renesas |
R5F52306 | RX230 | Renesas |
R5F52315 | RX231 | Renesas |
R5F52316 | RX231 | Renesas |
R5F52317 | RX231 | Renesas |
R5F52318 | RX231 | Renesas |
R5F523E5 | RX23E-A | Renesas |
R5F523E6 | RX23E-A | Renesas |
R5F523T3 | RX23T | Renesas |
R5F523T5 | RX23T | Renesas |
R5F523W7 | RX23W | Renesas |
R5F523W8 | RX23W | Renesas |
R5F524T8 | RX24T | Renesas |
R5F524TA | RX24T | Renesas |
R5F524TB | RX24T | Renesas |
R5F524TC | RX24T | Renesas |
R5F524TE | RX24T | Renesas |
R5F524UB | RX24U | Renesas |
R5F524UC | RX24U | Renesas |
R5F524UE | RX24U | Renesas |
R5F56104 | RX610 | Renesas |
R5F56106 | RX610 | Renesas |
R5F56107 | RX610 | Renesas |
R5F56108 | RX610 | Renesas |
R5F56216 | RX621 | Renesas |
R5F56217 | RX621 | Renesas |
R5F56218 | RX621 | Renesas |
R5F562G7 | RX62G | Renesas |
R5F562GA | RX62G | Renesas |
R5F562N7 | RX62N | Renesas |
R5F562N8 | RX62N | Renesas |
R5F562T6 | RX62T | Renesas |
R5F562T7 | RX62T | Renesas |
R5F562TA | RX62T | Renesas |
R5F56307 | RX630 | Renesas |
R5F56308 | RX630 | Renesas |
R5F5630A | RX630 | Renesas |
R5F5630B | RX630 | Renesas |
R5F5630D | RX630 | Renesas |
R5F5630E | RX630 | Renesas |
R5F56310 | RX631 | Renesas |
R5F56316 | RX631 | Renesas |
R5F56317 | RX631 | Renesas |
R5F56318 | RX631 | Renesas |
R5F5631A | RX631 | Renesas |
R5F5631B | RX631 | Renesas |
R5F5631D | RX631 | Renesas |
R5F5631E | RX631 | Renesas |
R5F5631F | RX631 | Renesas |
R5F5631G | RX631 | Renesas |
R5F5631J | RX631 | Renesas |
R5F5631K | RX631 | Renesas |
R5F5631M | RX631 | Renesas |
R5F5631N | RX631 | Renesas |
R5F5631P | RX631 | Renesas |
R5F5631W | RX631 | Renesas |
R5F5631Y | RX631 | Renesas |
R5F5634B | RX634 | Renesas |
R5F5634B_5V | RX634 | Renesas |
R5F5634D | RX634 | Renesas |
R5F5634D_5V | RX634 | Renesas |
R5F5634E | RX634 | Renesas |
R5F5634E_5V | RX634 | Renesas |
R5F563NA | RX63N | Renesas |
R5F563NB | RX63N | Renesas |
R5F563ND | RX63N | Renesas |
R5F563NE | RX63N | Renesas |
R5F563NF | RX63N | Renesas |
R5F563NK | RX63N | Renesas |
R5F563NW | RX63N | Renesas |
R5F563NY | RX63N | Renesas |
R5F563T4 | RX63T | Renesas |
R5F563T5 | RX63T | Renesas |
R5F563T6 | RX63T | Renesas |
R5F563TB | RX63T | Renesas |
R5F563TC | RX63T | Renesas |
R5F563TE | RX63T | Renesas |
R5F564MF | RX64M | Renesas |
R5F564MG | RX64M | Renesas |
R5F564MJ | RX64M | Renesas |
R5F564ML | RX64M | Renesas |
R5F56514 | RX651 | Renesas |
R5F56517 | RX651 | Renesas |
R5F56519 | RX651 | Renesas |
R5F56519DMB | RX651 | Renesas |
R5F5651C | RX651 | Renesas |
R5F5651C_DUAL | RX651 | Renesas |
R5F5651E | RX651 | Renesas |
R5F5651E_DUAL | RX651 | Renesas |
R5F5651EDMB | RX651 | Renesas |
R5F5651EDMB_DUAL | RX651 | Renesas |
R5F565N4 | RX65N | Renesas |
R5F565N7 | RX65N | Renesas |
R5F565N9 | RX65N | Renesas |
R5F565N9DMB | RX65N | Renesas |
R5F565NC | RX65N | Renesas |
R5F565NC_DUAL | RX65N | Renesas |
R5F565NE | RX65N | Renesas |
R5F565NE_DUAL | RX65N | Renesas |
R5F565NEDMB | RX65N | Renesas |
R5F565NEDMB_DUAL | RX65N | Renesas |
R5F566ND | RX66N | Renesas |
R5F566ND_DUAL | RX66N | Renesas |
R5F566NN | RX66N | Renesas |
R5F566NN_DUAL | RX66N | Renesas |
R5F566TA | RX66T | Renesas |
R5F566TE | RX66T | Renesas |
R5F566TF | RX66T | Renesas |
R5F566TK | RX66T | Renesas |
R5F571MF | RX71M | Renesas |
R5F571MG | RX71M | Renesas |
R5F571MJ | RX71M | Renesas |
R5F571ML | RX71M | Renesas |
R5F572MD | RX72M | Renesas |
R5F572MD_DUAL | RX72M | Renesas |
R5F572MN | RX72M | Renesas |
R5F572MN_DUAL | RX72M | Renesas |
R5F572ND | RX72N | Renesas |
R5F572ND_DUAL | RX72N | Renesas |
R5F572NN | RX72N | Renesas |
R5F572NN_DUAL | RX72N | Renesas |
R5F572TF | RX72T | Renesas |
R5F572TK | RX72T | Renesas |
Types of License
Single User


Multiple User


