Overview
Description
The RX631 microcontrollers come in a comprehensive memory vs. package lineup to suit your system scale. In addition to standard functions such as 12-bit A/D converter, motor control timers, SCI, RSPI, I²C, CAN, and safety features, connectivity functions such as Ethernet and USB host have been enhanced. The lineup also includes products possessing specialized functions, such as sensing/image display using a CMOS camera, or security (hardware AES encryption). Products that support high-temperature (105 °C) operation are also available.
Comparison
Applications
Design & Development
Software & Tools
Software & Tools
Software title
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Software type
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Company
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CS+ Renesas integrated development environment (IDE) [Support MCU/MPU: RH850, V850, RX, RL78, 78K0R, 78K0]
(Note: CS+ is not generally promoted to U.S. and European customers.)
(Note: To use Smart Configurator on CS+ for RL78/G23 and RX family MCUs, install the Smart Configurator for each MCU family separately downloading from ”Design & Support” > ”Development Tools” > ”Smart Configurator”)
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IDE and Coding Tool | Renesas |
DSP Library for RX Family Software library that implements numeric operation function used in DSP with general purpose MCU
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DSP / FFT | Renesas |
E2 emulator Lite [RTE0T0002LKCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
FAT File System FAT file system, Original file system
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File System | Renesas |
E2 emulator [RTE0T00020KCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
E20 emulator [R0E000200KCT00] 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 E2 Emulator Lite. [Support MCU/MPU: RX, RL78, RH850, V850, 78K0R, 78K0, R8C]
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Emulator | Renesas |
C/C++ Compiler Package for RX Family [CC-RX] C/C++ Compiler Package for RX Family [IDE: CS+, e² studio, High-performance Embedded Workshop]
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Compiler/Assembler | Renesas |
FAT File System [M3S-TFAT-Tiny] for the RX Family FAT file system for RX Family
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File System | Renesas |
RI600PX Real-time OS for RX Family 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.
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ITRON OS | Renesas |
RI600V4 Real-time OS for RX Family 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.
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ITRON OS | Renesas |
Data Flash Driver Block type Device Drivers for data flash embedded microcontrollers
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On-chip Flash Memory | Renesas |
I²C Serial EEPROM Driver Device Drivers for I²C Bus Serial EEPROM R1EX24xxx Series, R1EV24xxx Series and HN58X24xxx Series
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Serial Memory | Renesas |
SPI/QSPI Serial Flash Memory, QSPI Serial Phase Change Memory Driver Device Driver for SPI and QSPI Serial Flash Memory and QSPI Serial Phase Change Memory
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Serial Memory | Renesas |
Renesas Peripheral Driver Library Unified API library for controlling peripheral I/O modules on Renesas MCUs. For OS-less development. Target devices : RX220, RX610, RX62G, RX62N, RX621, RX62T, RX630, RX63T etc. (This software is bundled with the Renesas Starter Kits and Peripheral Driver Generator for the above devices.)
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Software Package | Renesas |
Sound Playback/Compression System [M3S-S2-Tiny] for RX Family Sound playback system for RX Family
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Sound / Voice | Renesas |
USB Drivers Device drivers for USB communication using USB interface with built-in microcomputer and USB ASSP
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USB | Renesas |
Peripheral Driver Generator A tool for automatically generating drivers for the built-in peripheral I/Os of a microcomputer (for RX210, RX220, RX63x, and RX62x)
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Code Generator | Renesas |
High-performance Embedded Workshop Renesas integrated development environment (IDE) (for SuperH, RX, R8C, M32R, M16C, H8SX, H8S, H8, and 740 families).
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IDE and Coding Tool | Renesas |
Debugging MCU Boards The debugging MCU board is a board to enable the in-circuit connection of an emulator with the user's system and allows you to use more enhanced debugging functions. The applicable debugging functions vary depending on the MCU type.
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Other Emulators and Options | Renesas |
Flash Development Toolkit (Programming GUI) Flash memory programming software. [Support MCU/MPU and devices: SuperH RISC engine, RX, R8C, M16C, H8SX, H8S, H8, 740]
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Programmer (Unit/SW) | Renesas |
Renesas Flash Programmer (Programming GUI) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
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Programmer (Unit/SW) | Renesas |
PG-FP6 Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C]
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Programmer (Unit/SW) | Renesas |
Simulator Debugger for RX Family [for High-performance Embedded Workshop] Simulator debugger for RX family [Support IDE : High-performance Embedded Workshop] (Note: This product is included in Compiler Package and is not available separately.)
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Simulator | Renesas |
e² studio - Information for the RX Family Eclipse-based Renesas integrated development environment (IDE).
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IDE and Coding Tool | Renesas |
Renesas IAR Embedded Workbench Device-Support-Packages Renesas IAR Embedded Workbench Device-Support-Packages include all device-specific files to be used with the Embedded Workbench IDE.
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IDE and Coding Tool | Renesas |
Reality AI Utilities Round-trip workflow for AI development and performance validation allowing to collect data, optimize models, and deploy directly to Renesas hardware
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Solution Toolkit | Renesas |
26 items
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Sample Code
Boards & Kits
Renesas Starter Kit+ for RX63N-256K
The Renesas Starter Kit+ for RX63N-256K is intended as a user-friendly introductory and evaluation tool for the RX63N microcontroller.
About the bundled emulator
We have already discontinued production of the E1 emulator due to components of the product having reached their EOL (end of...
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Product Options
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