RX23W microcontrollers incorporate security functions that are vital for Bluetooth® 5.0 Low Energy (BLE) and IoT devices, as well as a wealth of peripheral functions such as touch keys, USB and CAN, enabling system control and wireless communication with devices using a single chip. RX23W MCUs have full function support for Bluetooth 5.0 Low Energy long range and mesh networking, and provide excellent reception performance.

Features

  • RXv2 core 54MHz operation (4.33 CoreMark/MHz)1.8V to 3.6V operationOperating temperature -40°C to 85°C
  • Program Flash Max. 512KB, SRAM Max. 64KB
  • Communications
    • Bluetooth Low Energy x1ch
      Built-in Bluetooth 5.0-compliant RF transceiver and link layer
      Supports LE 1M PHY, LE 2M PHY, LE Coded PHY (125kbps, 500kbps), LE Advertising Extensions
      Built-in Bluetooth dedicated AES-CCM (128-bit) encryption circuit
    • USB 2.0 Host/Function/OTG x1ch
      Full speed (12Mbps), low speed (1.5Mbps), isochronous transfer
      BC (battery charger) support
    • CAN x1ch
      ISO11898-1 compliant CAN, Max. 1Mbps transfer
    • SD Host I/F x1ch
      SD memory/SDIO 1- or 4-bit SD bus support
  • Capacitive Touch Sensing
    • Self-capacitive method: Up to 12 keys supported in a 1-terminal 1-key configuration
    • Mutual capacitive method: Supports up to 36 keys in a 12-terminal matrix configuration
  • Enhanced analog
    • Enhanced analog: 12-bit A/D converter ×14ch, 12-bit D/A converter ×2ch
  • Trusted Secure IP Lite (AES/TRNG)

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
RX23W Group Datasheet 日本語 Datasheet PDF 1.57 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 168 KB
PG-FP6 V1.05 Flash Memory Programmer User's Manual 日本語 Manual PDF 3.13 MB
Renesas Flash Programmer V3.08 Flash memory programming software User's Manual 日本語 Manual PDF 973 KB
Bluetooth Low Energy Protocol Stack Basic Package User's Manual 日本語 Manual PDF 2.22 MB
RX23W Group User's Manual: Hardware 日本語 Manual PDF 22.55 MB
RX Family C/C++ Compiler Package (CC-RX) How to Divide Boot and Flash Areas 日本語 Manual PDF 1.73 MB
RTE0T000020KCA10000R User's Manual (20-Pin (1.27-mm Pitch) to 20-Pin (2.54-mm Pitch) Connector Conversion Adapter for the E2 Manual PDF 647 KB
e² studio User's Manual: Getting Started Guide for V7.0 日本語 Manual PDF 1.85 MB
RTE0T00020KCA00000R User's Manual (20-Pin to 14-Pin Conversion Adapter for the E2 emulator) Manual PDF 319 KB
QE for TCP/IP V1.0.1 [technical preview version] 日本語 Manual PDF 93 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
e² studio Integrated Development Environment User's Manual: Getting Started Guide Manual PDF 3.04 MB
e² studio 3.0 Installing into Existing Eclipse Environment Manual PDF 355 KB
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 RX Driver Package Ver.1.27 日本語 Application Note PDF 631 KB
- RX Family RX Driver Package Ver.1.27 日本語 Application Note PDF 631 KB
- 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 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 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 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 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
- RX23W Group Sample Program for Highspeed Communication 日本語 Application Note PDF 1.60 MB
- RX23W Bluetooth Test Tool Suite operating instructions Application Note 日本語 Application Note PDF 3.24 MB
- RX23W Renesas Solution Starter Kit Sample Code (e2 studio for CC-RX) Application Note PDF 701 KB
- 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
RX Family C/C++ Compiler Package (CC-RX) Programming Techniques 日本語 Application Note PDF 791 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
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
Downloads
- RX Family RX Driver Package Ver.1.27 Sample Code ZIP 198.93 MB
RX Family RX Driver Package Ver.1.27 Sample Code ZIP 198.93 MB
[Free-of-charge edition] Renesas Flash Programmer V3.08.00 Linux edition 日本語 Evaluation Software ZIP 25.55 MB
Renesas Flash Programmer V3.08.00 Upgrade Linux edition 日本語 Upgrade - Programmer ZIP 25.54 MB
[Free-of-charge edition] Renesas Flash Programmer V3.08.00 日本語 Evaluation Software ZIP 74.85 MB
Renesas Flash Programmer V3.08.00 Upgrade 日本語 Upgrade - Programmer ZIP 74.85 MB
Programming GUI for PG-FP6 (FP6 Terminal) V1.05.00 日本語 Upgrade - Programmer ZIP 54.84 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 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 ADC Module Using Firmware Integration Technology Sample Code ZIP 7.15 MB
- RX Family Flash Module Using Firmware Integration Technology Sample Code ZIP 96.28 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 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 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
RX23W Group Sample Program for Highspeed Communication Sample Code ZIP 60.92 MB
Bluetooth Test Tool Suite operating instructions Application Note Sample Code ZIP 21.67 MB
RX23W Renesas Solution Starter Kit Sample Code (e2 studio for CC-RX) Sample Code ZIP 54.04 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
RX Family RX Driver Package Ver.1.23 Sample Code ZIP 120.73 MB
QE for BLE[RX] V1.0.0 日本語 Software ZIP 3.44 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
- Sample codes for RX Compiler Package Application Notes: Sample Project RX Migration Guide, SuperH Edition Sample Code ZIP 485 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 Memory Access Driver Interface Firmware Integration Technology, RX Driver Package 日本語 Tool News - Note PDF 175 KB
[Released on the Web] RX Family RX Driver Package Ver.1.27 日本語 Tool News - Release PDF 94 KB
[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] 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
[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 EEPROM Access Firmware Integration Technology, RX Driver Package 日本語 Tool News - Note PDF 185 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
[Upgrade to revision] Renesas Flash Programmer V3.06.02 日本語 Tool News - Release PDF 80 KB
[Upgraded to version] e² studio 2020-07 日本語 Tool News - Release PDF 159 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
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.04.01 日本語 Tool News - Release PDF 73 KB
[New release] Renesas Solution Starter Kit for RX23W - Support for Bluetooth® 5.0 Low Energy and Evaluation of Bluetooth 5.0 Communication Performance - 日本語 Tool News - Release PDF 392 KB
[Notes] RX Family RTC Module Firmware Integration Technology 日本語 Tool News - Note PDF 84 KB
[Released on the web] e² studio 2020-04 日本語 Tool News - Release PDF 184 KB
[Upgraded to revision] e² studio Integrated Development Environment V7.8.0 日本語 Tool News - Release PDF 194 KB
Other
Smart Configurator for RX V2.7.0 Release Note 日本語 Release Note PDF 1.36 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
RX23W Others PDF 464 KB
RSSK RX23W Design Data 日本語 Design File ZIP 1.12 MB
Smart Configurator for RX V2.6.0 Release Note 日本語 Release Note PDF 1.38 MB
Errata to User's Manual: Hardware Regarding the I2C-bus Interface (RIIC) 日本語 Technical Update PDF 611 KB
Renesas Flash Programmer V3.06.02 Release Notes 日本語 Release Note PDF 324 KB
Renesas Solution Starter Kit for RX23W Board Description File Board Description File ZIP 0 KB
[Flyer] E2Emulator[RTE0T00020KCE00000R] 日本語, 简体中文 Flyer PDF 381 KB
Target board for RX23W Board Description File Board Description File ZIP 0 KB
RX Family Development Tools Brochure PDF 3.41 MB
[Flyer] Renesas Software and Tools e² studio: Integrated Development Environment Based on Eclipse Flyer PDF 930 KB

Software / Tools

Title Type Description Company
RX Driver Package Software Package Device driver set for the RX Family (including major middleware). Target devices : RX130, RX23W, RX231, RX24U, RX64M, RX65N, RX66T, RX71M, RX72M etc.
Renesas
USB Drivers USB Device drivers for USB communication using USB interface with built-in microcomputer and USB ASSP Renesas
Bluetooth® Low Energy Protocol Stack for RX family Protocol Stack Bluetooth v5.0 certified protocol stack [Target device: RX23W]
Renesas
Trusted Secure IP Driver Security / Crypto Trusted Secure IP driver software: this software supports AES with 128- and 256-bit keys), AES-GCM, AES-CMAC, and random number generation. Safely executes AES key management, secure updating of firmware, and secure booting at high speeds. Renesas
RI600PX Real-time OS for RX Family ITRON OS μITRON4.0/PX Specification real-time OS for RX Family [Required IDE : CS+] * RI600PX is not generally promoted to U.S. and European customers. Customers in U.S. and Europe who are interested in RI600PX are requested to contact our regional marketing departments for details.
Renesas
RI600V4 Real-time OS for RX Family ITRON OS μITRON4.0 Specification real-time OS for RX Family [Required IDE : e2 studio, CS+] * RI600V4 is not generally promoted to U.S. and European customers. Customers in U.S. and Europe who are interested in RI600V4 are requested to contact our regional marketing departments for details.
Renesas
C/C++ Compiler Package for RX Family Compiler/Assembler C/C++ Compiler package for RX Family. Without IDE package(for e2 studio), CS+ or High-performance Embedded Workshop including in the package. Renesas
E2 emulator [RTE0T00020KCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX] Renesas
E20 emulator [R0E000200KCT00] Emulator On-chip debugging emulator. Also available as a flash memory programmer. For RX600 or RX700 Series MCU, trace functions and Real-time RAM monitor functions available. For MCUs other than RX600 or RX700, the available debugging function corresponds to that of E1 Emulator. [Support MCU/MPU: RX, RL78, RH850, V850, 78K0R, 78K0, R8C] Renesas
E2 emulator Lite [RTE0T0002LKCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX] Renesas
e² studio IDE and Coding Tool Eclipse-based Renesas integrated development environment (IDE). (Note: You need to install compiler separately as an additional software) Renesas
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
PG-FP6 Programmer (Unit/SW) Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C] Renesas
Renesas Flash Programmer (Programming GUI) Programmer (Unit/SW) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78KR, 78K0] Renesas
QE for BLE: Development Assistance Tool for Bluetooth® Low Energy Solution Toolkit Debugging support tool that specializes in Bluetooth® low energy system development [Plugin for Renesas IDE "e2 studio"] [Support MCU/MPU: RA, RX, RL78] Renesas
QE for Capacitive Touch: Development Assistance Tool for Capacitive Touch Sensors Solution Toolkit In developing embedded system using the capacitive touch sensor of RA family and RX family MCUs, you can easily setup initial configurations of the touch interface as well as process the tuning of sensors, and reduce development time. [Plugin for Renesas IDE "e2 studio"]
Renesas
QE for Current Consumption: A Dedicated Tool for Current Measurement Solution Toolkit Development assistance tool helps to shorten the times taken in operations for the tuning of currents drawn. [Standard item in the "e² studio" and CS+ (CS+ for CC only) IDEs] [Support MCU/MPU: RX, RL78] Renesas
QE for TCP/IP: A Dedicated Tool for TCP/IP Development [Technical Preview Edition] Solution Toolkit Debugging assistance tool for developing systems which use the TCP/IP. For use in developing embedded systems which use the M3S-T4-Tiny communications protocol software library for the RX family. [Plugin for Renesas IDE "e² studio"]
Renesas
QE for UART: A Dedicated Tool for UART [Technical Preview Edition] Solution Toolkit Debugging assistance tool for developing systems which use the UART communication function. [Plugin for Renesas IDE "e² studio"]
Renesas
Smart Configurator Solution Toolkit Smart Configurators are utilities for combining software in ways that meet your needs. They simplify the embedding of Renesas drivers in your systems through support for importing middleware and drivers and configuring pins. [Support MCU/MPU: RX, RA, RZ, RH850] Renesas
RX Family Renesas FreeRTOS FreeRTOS FreeRTOS™ software platform for RX MCUs that makes it easy to create applications using FreeRTOS™ with Firmware Integration Technology (FIT). Renesas

Boards & Kits

Part Number Title Type Company
RX-Family-Target-Board Target Board for RX family Evaluation