The RX230 Group of devices leverages an optimal combination of a 32-bit RXv2 CPU core with improved DSP/FPU and low-power consumption technology to realize extreme power efficiency. High-performance digital filtering, floating-point operations, and other processing can be performed even in environments with low current supply capacity. The RX230 Group is optimized for general market requiring 5v power supply support, external bus, high DSP/FPU operational performance at low power consumption or high sensitivity, high level of noise tolerance capacitive touch sensor function for HMI applications.

Applications

  • Consumer (battery drive)
  • Healthcare
  • Industrial
  • Home appliances

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
RX230 Group, RX231 Group Datasheet 日本語 Datasheet PDF 3.78 MB
User Guides & Manuals
List of MCUs supported by PG-FP6 日本語 Manual PDF 216 KB
List of MCUs supported by Renesas Flash Programmer V3 日本語 Manual PDF 185 KB
List of MCUs supported by PG-FP5 日本語 Manual PDF 214 KB
Renesas Flash Programmer V3.08 Flash memory programming software User's Manual 日本語 Manual PDF 973 KB
PG-FP6 V1.05 Flash Memory Programmer User's Manual 日本語 Manual PDF 3.13 MB
CS+ V8.04.00 Integrated Development Environment User's Manual: Project Operation 日本語 Manual PDF 5.50 MB
CS+ V8.04.00 Integrated Development Environment User's Manual: Message 日本語 Manual PDF 1.11 MB
RX230 Group, RX231 Group User's Manual: Hardware 日本語 Manual PDF 34.06 MB
Target Board for RX231 ユーザーズマニュアル Manual PDF 913 KB
Target Board for RX231 User's Manual Manual PDF 813 KB
RX Development Environment Migration Guide Migration from SuperH Family to RX Family (IDE ed.) (High-performance Embedded Workshop to CS+) Guide PDF 1007 KB
RX Development Environment Migration Guide Migration from M16C Family to RX Family (Compiler ed.) (High-performance Embedded Workshop and NC30WA to CS+ and CC-RX) 日本語 Guide PDF 378 KB
RX Development Environment Migration Guide Migration from H8C Family to RX Family (Compiler ed.) (High-performance Embedded Workshop and H8C to CS+ and CC-RX) 日本語 Guide PDF 413 KB
RX Family RXv2 Instruction Set Architecture User's Manual: Software 日本語 Manual PDF 3.92 MB
Real-time OS RI600/4 for RX600 Series Application Note: Application Transition Guide (from M3T-MR30/4 to RI600/4) 日本語 Guide PDF 371 KB
RX Compiler Application Notes: 4-Sample Project RX Migration Guide: H8 Edition 日本語 Guide PDF 890 KB
RX Compiler Application Notes: 4-Sample Project RX Migration Guide: M16C Edition 日本語 Guide PDF 926 KB
Application Notes & White Papers
- RX Family RSPI Module Using Firmware Integration Technology 日本語 Application Note PDF 592 KB
RX Family Renesas FreeRTOS 日本語 Application Note PDF 991 KB
- RX Family Renesas FreeRTOS 日本語 Application Note PDF 991 KB
RX Family SCI Module Using Firmware Integration Technology 日本語 Application Note PDF 665 KB
- RX Family ADC Module Using Firmware Integration Technology 日本語 Application Note PDF 920 KB
PG-FP6 Usage of Communications Commands 日本語 Application Note PDF 369 KB
RX Family Flash Module Using Firmware Integration Technology 日本語 Application Note PDF 1.92 MB
RX Family Sample Program using USB Host Mass Storage Class Driver (HMSC) for USB Mini Firmware to communicate via USB with MSC device Firmware Integration Technolog 日本語 Application Note PDF 883 KB
RX Family Sample Program using using USB Peripheral Mass Storage Class Driver (PMSC) for USB Mini Firmware to communicate via USB with USB Host Firmware Integration Technology 日本語 Application Note PDF 1.44 MB
RX Family Sample Program using USB Peripheral Communication Device Class Driver (PCDC) for USB Mini Firmware to communicate via USB with USB Host Firmware Integration Technology 日本語 Application Note PDF 1.45 MB
RX Family Sample Program using USB Host Human Interface Device Class Driver (HHID) to communicate via USB with HID device Firmware Integration Technology 日本語 Application Note PDF 659 KB
RX Family Sample Program using USB Peripheral Human Interface Device Class Driver (PHID) for USB Mini Firmware to communicate via USB with USB HostFirmware Integration Technology 日本語 Application Note PDF 1.45 MB
- RX Family Simple I2C Module Using Firmware Integration Technology 日本語 Application Note PDF 538 KB
- RX Family I2C Bus Interface(RIIC) Module Using Firmware Integration Technology 日本語 Application Note PDF 666 KB
- RX Family RX Driver Package Ver.1.23 日本語 Application Note PDF 812 KB
- RX230 Group, RX231 Group Initial Settings and Usage Procedure of RTC Battery Backup Function 日本語 Application Note PDF 721 KB
Preventing Access to On-Chip Flash Memory by Third Parties 日本語 Application Note PDF 700 KB
- RX Family RX Driver Package Ver.1.22 日本語 Application Note PDF 813 KB
- RX Family RX Driver Package Ver.1.20 日本語 Application Note PDF 813 KB
- RX Family Virtual EEPROM Module Using Firmware Integration Technology 日本語 Application Note PDF 937 KB
- RX100/RX200 Series Updating Firmware Using Start-Up Program Protection and Serial Communication 日本語 Application Note PDF 2.01 MB
Bio Sensing Software Platform Software Library for Recording Heart Sound Application Note PDF 1.17 MB
Bio Sensing Software Platform Software Library for Measuring Skin Moisture Application Note PDF 1.46 MB
Bio Sensing Software Platform Software Library for Measuring Respiratory Rate Application Note PDF 1.31 MB
Bio Sensing Software Platform Software Library for Measuring Human Activity Application Note PDF 1.14 MB
Bio Sensing Software Platform Software Library for Measuring Body Surface Temperature Application Note PDF 1.12 MB
RX231 Group Voice Recognition Demo Board 日本語 Application Note PDF 1.01 MB
PCB-Design for Improved EMC / EMV Application Note PDF 1.86 MB
- RX231 Renesas Starter Kit Sample Code (e2 studio for CC-RX) Application Note PDF 737 KB
- RX231 Renesas Starter Kit Sample Code (CS+ for CC-RX) Application Note PDF 536 KB
RX200, RX100 Series Guidelines for Tuning a RX Based Capacitive Touch Project Application Note PDF 250 KB
RX200, RX100 Series Getting Started With Capacitive Touch Application Note PDF 330 KB
RX200 Series Design Guide for Sub-Clock Circuits 日本語 Application Note PDF 322 KB
- RX231 Group On-chip Flash Memory Programming Solution using Capacitive Touch Sensing Unit and USB Memory RX Driver Package Application 日本語 Application Note PDF 2.13 MB
Full-Speed USB Guidelines for Full-Speed USB2.0 Board Design 日本語 Application Note PDF 304 KB
RX231 HMI Solution Kit Base Demo Software (limited function version) RTK5RX2310P000F0ZR 日本語 Application Note PDF 1.08 MB
RX Family Application Note Using Multiply-Accumulate Operation Instructions 日本語 Application Note PDF 160 KB
Compiler Package Application Note: STL V.1.00.00 Lists of Supported Functions Application Note PDF 280 KB
Compiler Package Application Note: STL V.1.00.00 User's Manual Application Note PDF 478 KB
RX Compiler Application Notes: 2-Compiler Usage Guide: Tips for Efficient Programming Edition Application Note PDF 435 KB
RX Compiler Application Notes: 1-Installation Guide: IDE Startup Guide, RX Edition Application Note PDF 1.04 MB
RX Compiler Application Notes: 2-Compiler Usage Guide: Languages Edition (C89, C99) Application Note PDF 537 KB
High-performance Embedded Workshop Application Note: Real-time OS aware debugging 日本語 Application Note PDF 750 KB
RX Compiler Application Notes: 2-Compiler Usage Guide: Option Edition 日本語 Application Note PDF 514 KB
RX Compiler Application Notes: 5-Reference: Data of Library 日本語 Application Note PDF 1019 KB
RX Compiler Application Notes: 2-Compiler Use Guide: #pragma Extension Guide 日本語 Application Note PDF 251 KB
Compiler Package Application Note: Call Walker Application Note PDF 339 KB
PCNs & PDNs
Unification of a JEDEC tray and a embossed carrier tape for LQFP package (Additional Information & Correction) 日本語 Product Change Notice PDF 4.86 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package 日本語 Product Change Notice PDF 3.74 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package 日本語 Product Change Notice PDF 1.46 MB
Downloads
e² studio 2020-10 installer (Offline installer) 日本語 Upgrade - IDE EXE 1,618.03 MB
[Free-of-charge edition] Renesas Flash Programmer V3.08.00 Linux edition 日本語 Evaluation Software TGZ 25.63 MB
Renesas Flash Programmer V3.08.00 Upgrade Linux edition 日本語 Upgrade - Programmer TGZ 25.63 MB
[Free-of-charge edition] Renesas Flash Programmer V3.08.00 日本語 Evaluation Software EXE 75.08 MB
Renesas Flash Programmer V3.08.00 Upgrade 日本語 Upgrade - Programmer EXE 75.08 MB
QE for Capacitive Touch [RA] V1.2.0: Development Assistance Tool for Capacitive Touch Sensor 日本語 Software ZIP 4.34 MB
RX Family RSPI Module Using Firmware Integration Technology Sample Code ZIP 25.98 MB
- RX Family Renesas FreeRTOS Sample Code ZIP 2.58 MB
RX Family Renesas FreeRTOS Sample Code ZIP 2.58 MB
- RX Family SCI Module Using Firmware Integration Technology Sample Code ZIP 39.06 MB
RX Family ADC Module Using Firmware Integration Technology Sample Code ZIP 7.15 MB
CS+ QE V9.04.00 Upgrade - IDE ZIP 4.02 MB
CS+ QE V9.04.00 Upgrade - IDE EXE 4.58 MB
- RX Family Flash Module Using Firmware Integration Technology Sample Code ZIP 96.28 MB
- RX Family Sample Program using USB Host Mass Storage Class Driver (HMSC) for USB Mini Firmware to communicate via USB with MSC device Firmware Integration Technolog Sample Code ZIP 152.96 MB
- RX Family Sample Program using using USB Peripheral Mass Storage Class Driver (PMSC) for USB Mini Firmware to communicate via USB with USB Host Firmware Integration Technology Sample Code ZIP 125.30 MB
- RX Family Sample Program using USB Peripheral Communication Device Class Driver (PCDC) for USB Mini Firmware to communicate via USB with USB Host Firmware Integration Technology Sample Code ZIP 145.51 MB
- RX Family Sample Program using USB Host Human Interface Device Class Driver (HHID) to communicate via USB with HID device Firmware Integration Technology Sample Code ZIP 101.02 MB
- RX Family Sample Program using USB Peripheral Human Interface Device Class Driver (PHID) for USB Mini Firmware to communicate via USB with USB HostFirmware Integration Technology Sample Code ZIP 113.02 MB
RX Family RX Driver Package Ver.1.26 Sample Code ZIP 128.04 MB
- RX Family RX Driver Package Ver.1.26 Sample Code ZIP 128.04 MB
e² studio 2020-04 installer (Offline installer) 日本語 Evaluation Software EXE 1,263.99 MB
e² studio V7.8.0 installer (Offline installer) 日本語 Evaluation Software EXE 1,396.16 MB
QE for Capacitive Touch [RA] V1.1.0: Development Assistance Tool for Capacitive Touch Sensor 日本語 Software ZIP 3.31 MB
RX Family CMT Module Using Firmware Integration Technology Sample Code ZIP 48.67 MB
RX Family Simple I2C Module Using Firmware Integration Technology Sample Code ZIP 24.82 MB
RX Family I2C Bus Interface(RIIC) Module Using Firmware Integration Technology Sample Code ZIP 37.93 MB
CS+ Device Information for RX V3.04.00 日本語 Upgrade - IDE ZIP 129.67 MB
RX Compiler CC-RX V3.02.00 日本語 Upgrade - Compiler ZIP 18.57 MB
RX Family C/C++ Compiler Package V3 (without IDE) V3.02.00 日本語 Evaluation Software ZIP 22.40 MB
Code Generator Common (CS+ for CC) V1.18.00 日本語 Software EXE 9.28 MB
Software for floating license management V2.03.01 日本語 Upgrade - IDE EXE 31.41 MB
RX Family RX Driver Package Ver.1.23 Sample Code ZIP 120.73 MB
RX Family RX Driver Package Ver.1.22 Sample Code ZIP 102.71 MB
QE for Capacitive Touch V1.1.0: Development Assistance Tool for Capacitive Touch Sensor 日本語 Software ZIP 2.40 MB
CS+ Utilities V3.05.00 日本語 Software EXE 3.62 MB
RX Family RX Driver Package Ver.1.20 日本語 Sample Code ZIP 103.59 MB
Programming GUI for PG-FP5 V2.17 日本語 Upgrade - Programmer EXE 56.68 MB
Firmware for PG-FP5 V2.17 日本語 Upgrade - Programmer ZIP 289 KB
USB Driver for Renesas MCU Tools V2.77.00 (for 64-bit version of Windows OS) 日本語 Upgrade - IDE EXE 3.80 MB
USB Driver for Renesas MCU Tools(E2,E2 Lite,IE850,IE850A,PG-FP5) V2.77.00(for 32-bit version of Windows OS) 日本語 Upgrade - IDE EXE 3.64 MB
RX Family Virtual EEPROM Module Using Firmware Integration Technology 日本語 Sample Code ZIP 19.20 MB
RX100/RX200 Series Updating Firmware Using Start-Up Program Protection and Serial Communication 日本語 Sample Code ZIP 45.74 MB
- Bio Sensing Software Platform Software Library for Recording Heart Sound Sample Code ZIP 1.74 MB
- Bio Sensing Software Platform Software Library for Measuring Skin Moisture Sample Code ZIP 2.01 MB
- Bio Sensing Software Platform Software Library for Measuring Respiratory Rate Sample Code ZIP 1.83 MB
- Bio Sensing Software Platform Software Library for Measuring Human Activity Sample Code ZIP 1.67 MB
- Bio Sensing Software Platform Software Library for Measuring Body Surface Temperature Sample Code ZIP 1.64 MB
AP4 for RX V1.15.01 日本語 Software EXE 31.30 MB
CS+ Code Generator for RH850 V1.04.00 日本語 Software EXE 6.49 MB
CS+ Code Generator for RX V1.16.00 日本語 Software EXE 23.77 MB
e² studio 6.3.0 installer (Offline installer) 日本語 Evaluation Software EXE 952.89 MB
[technical preview version] QE for UART V1.0.0 日本語 Software ZIP 824 KB
[technical preview version]QE for TCP/IP V1.0.1 日本語 Software ZIP 505 KB
RX231 Renesas Starter Kit Sample Code (e2 studio for CC-RX) 日本語 Sample Code ZIP 11.01 MB
RX231 Renesas Starter Kit Sample Code (CS+ for CC-RX) 日本語 Sample Code ZIP 13.02 MB
- Sample codes for RX Compiler Package Application Notes: Sample Project RX Migration Guide, SuperH Edition Sample Code ZIP 485 KB
[technical preview version]QE for USB V1.2.1 日本語 Software ZIP 1.97 MB
Software for Floating License Management V1.00.00 日本語 Upgrade - IDE EXE 134.85 MB
RX200 Series VDE Certified IEC60730 Self Test Code for RX200 Series MCU 日本語 Sample Code ZIP 3.75 MB
- RX200 Series VDE Certified IEC60730 Self Test Code for RX200 Series MCU Sample Code ZIP 3.75 MB
- RX200シリーズ VDE認証 RX200シリーズ MCUのIEC60730セルフテストコード Sample Code ZIP 3.75 MB
Renesas Flash Programmer V2.05.03 Upgrade 日本語 Upgrade - Programmer EXE 47.62 MB
[Free-of-charge edition] Renesas Flash Programmer V2.05.03 日本語 Evaluation Software EXE 47.62 MB
RX231 Group On-chip Flash Memory Programming Solution using Capacitive Touch Sensing Unit and USB Memory RX Driver Package Application 日本語 Sample Code ZIP 58.71 MB
RX231, RX230 Group IBIS model Rev1.00 日本語 Model - IBIS ZIP 427 KB
- RX231 HMI Solution Kit Base Demo Software (limited function version) RTK5RX2310P000F0ZR 日本語 Sample Code ZIP 5.43 MB
Programming GUI for PG-FP5 V2.13 Upgrade - Programmer EXE 58.78 MB
USB Driver for USB Boot MCU TypeA V1.00.02 日本語 Upgrade - IDE EXE 6.03 MB
USB Driver for Renesas E-Series V1.01.00 日本語 Upgrade - IDE EXE 5.82 MB
RX E1/E20 Emulator debugger V.1.03.00 日本語 Upgrade - Debugger EXE 110.93 MB
FPGA data for PG-FP5 V4 日本語 Upgrade - Programmer ZIP 162 KB
- RX Family Application Note Using Multiply-Accumulate Operation Instructions 日本語 Sample Code ZIP 219 KB
- STL V.1.00.00 Sample Code Sample Code ZIP 277 KB
- Sample codes for RX Compiler Package Application Notes: Sample Project RX Migration Guide, H8 Edition 日本語 Sample Code ZIP 74 KB
- Sample codes for RX Compiler Package Application Notes: Sample Project RX Migration Guide, M16C Edition 日本語 Sample Code ZIP 56 KB
Tool News
[Notes] RX Family SHA Co-processor Driver, Firmware Integration Technology 日本語 Tool News - Note PDF 121 KB
[Notification] Flash Programmer Survey Invitation 日本語 Tool News - Notification PDF 29 KB
[Upgrade to revision] e² studio Smart Configurator Plug-in V2.7.0, Smart Configurator for RX V2.7.0 日本語 Tool News - Release PDF 95 KB
[Featured Tool] Minimize the time for optimizing current consumption with IAR Embedded Workbench®! Introducing the E2 Emulator current consumption measuring function 日本語 Tool News - Featured Tool PDF 260 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.05.00 日本語 Tool News - Release PDF 72 KB
[Notes] RX Family RSPI Module Firmware Integration Technology, RX Driver Package 日本語 Tool News - Note PDF 92 KB
[Upgraded to version] e² studio 2020-10 日本語 Tool News - Release PDF 160 KB
[Upgrade to revision] Renesas Flash Programmer V3.08.00 日本語 Tool News - Release PDF 83 KB
[Notes] RX Family Clock Synchronous Control Module for Serial Flash Memory Access Firmware Integration Technology, RX Driver Package 日本語 Tool News - Note PDF 207 KB
[Notes] RX Family Clock Synchronous Control Module for EEPROM Access Firmware Integration Technology, RX Driver Package 日本語 Tool News - Note PDF 185 KB
[Upgrade to revision] Renesas Flash Programmer V3.06.02 日本語 Tool News - Release PDF 80 KB
[Upgrade to revision] e² studio Smart Configurator Plug-in V2.6.0, Smart Configurator for RX V2.6.0 日本語 Tool News - Release PDF 156 KB
[Upgraded to version] e² studio 2020-07 日本語 Tool News - Release PDF 159 KB
[Upgrade to revision] CS+ Integrated Development Environment V8.04.00 日本語 Tool News - Release PDF 491 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.04.02 日本語 Tool News - Release PDF 74 KB
[Notes] RX Family RSPI Module Firmware Integration Technology, RX Driver Package 日本語 Tool News - Note PDF 113 KB
Other
Industrial Automation Brochure 日本語, 简体中文 Brochure PDF 7.93 MB
e² studio 2020-10 Release Note Release Note PDF 2.46 MB
PG-FP6 Flash Memory Programmer Release Note 日本語 Release Note PDF 269 KB
Renesas Flash Programmer V3.08.00 Release Notes 日本語 Release Note PDF 283 KB
FUNCTIONAL SAFETY SOLUTION FOR INDUSTRIAL AUTOMATION 日本語 Flyer PDF 339 KB
Errata to User's Manual: Hardware Regarding the I2C-bus Interface (RIIC) 日本語 Technical Update PDF 611 KB
e² studio 2020-07 Release Note Release Note PDF 1.52 MB
CS+ for CC V8.04.00 Release Note 日本語 Release Note PDF 256 KB
CS+ Integrated Development Environment Package V8.04.00 Release Note 日本語 Release Note PDF 956 KB
RX Family Brochure 日本語, 简体中文 Brochure PDF 6.43 MB
[Flyer] E2Emulator[RTE0T00020KCE00000R] 日本語, 简体中文 Flyer PDF 381 KB
[Flyer] Renesas Software and Tools Flash Memory Programmer PG-FP6 日本語 Flyer PDF 417 KB
Improvement of Oscillation Frequency Accuracy for Hi speed On chip Oscillator (HOCO) on RX130 Group, RX230 Group and RX231 Group. 日本語 Technical Update PDF 195 KB
Building Automation Brochure 日本語 Brochure PDF 6.65 MB
Renesas Software and Tools Flash Memory Programmer PG-FP6 日本語 Brochure PDF 619 KB
RX230 Group, RX231 Group Initial Settings and Usage Procedure of RTC Battery Backup Function Software & Tools - Software ZIP 9.40 MB
Workbench6 Software (Ver.1.07.00.00) 日本語 Software & Tools - Others ZIP 202.37 MB
Note on Accessing Registers when the Battery Backup Function Is Not Used in RX230 Group and RX231 Group 日本語 Technical Update PDF 233 KB
Addition of a way to confirm the completion of the transmission of all data through the serial peripheral interface (RSPI) 日本語 Technical Update PDF 179 KB
3D Gesture Reference Design Standard Version Gerber Data 日本語 Software & Tools - Others ZIP 474 KB
Target board for RX231 Board Description File Board Description File ZIP 0 KB
RX200 Series Microcontrollers Brochure 日本語, 简体中文 Flyer PDF 2.41 MB
The Core Difference in Your Design Flyer PDF 9.24 MB
The Core Difference in Your Design 日本語 Flyer PDF 2.66 MB
Smart Factory Flyer PDF 3.74 MB
RX Family Development Tools Brochure PDF 3.41 MB
Smart Meter Solutions Catalog 日本語 Brochure PDF 1.79 MB
Parameter File for RX230 group: PR5-R5F5230 V1.02 日本語 Software & Tools - Others ZIP 3 KB
Powered Up and Ready to Go Renesas/Intersil Joint Brochure Brochure PDF 5.27 MB
Additions of Specifications Regarding the Capacitive Touch Sensing Unit (CTSU) 日本語 Technical Update PDF 439 KB
The Core Difference in Your DesignRX Microcontroller Platform 日本語 Flyer PDF 1.46 MB
Parameter File for RX231 group: PR5-R5F5231 V1.02 日本語 Software & Tools - Others ZIP 14 KB
Renesas Capacitive Touch Solutions 日本語, 简体中文 Brochure PDF 1.51 MB
[Flyer] Renesas Software and Tools e² studio: Integrated Development Environment Based on Eclipse Flyer PDF 930 KB
Renesas General-Purpose Microcontrollers/Microprocessors Lineup Catalog 日本語 Brochure PDF 6.12 MB
RX: One Core, Countless Options Explained Flyer PDF 1.88 MB
R01CP0016ES0002_RX100 Brochure PDF 3.80 MB
Renesas RX200 Series MCU Brochure PDF 5.28 MB
R01CP0015ES0600_RX600 Brochure PDF 10.67 MB
Smart Energy Solutions Brochure PDF 5.42 MB
The Core Difference in Your Design RX600 Microcontrollers Brochure PDF 6.32 MB
Renesas Semiconductor Lead-Free Packages Brochure PDF 1.32 MB

Software / Tools

Title Type Description Company
CS+ IDE and Coding Tool Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0] Important: CS+ is not generally promoted to U.S. and European customers. Renesas

Boards & Kits

Part Number Title Type Company
RX231-Starter-Kit Renesas Starter Kit for RX231 Starter
RX-Family-Target-Board Target Board for RX family Evaluation
Touch-Free-User-Interface-Reference-Design Touch-Free User Interface Reference Design Evaluation

Resonator Information

Please search for your resonator on its manufacturer's site linked below. If you require optimal oscillation circuit constants for your particular system, please ask the manufacturer of the oscillator.
For Main clock resonator :
KYOCERA:Click here for RX230 oscillation evaluation result.
Murata Manufacturing: For IC Manufacturer, select Renesas Electronics, and enter R5F5231 or R5F5230 into the IC Part Number search box.
For Sub clock resonator :
KYOCERA:Click here for RX230 oscillation evaluation result.