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Overview

Description

The RX66N Group microcontrollers feature flash memory that can be read with zero wait states from the CPU, delivering superior real-time performance. They are equipped with the third-generation RX CPU core, the RXv3 core, and these high-performance products operate at 120MHz. Real-time control and networking of equipment are realized with a single chip with 4MB flash memory capable of read operations at 120MHz, 1MB of SRAM and 182 general-purpose I/O ports. The device also supports high-end HMI functionality for advanced display capability. The device also has complete security capability, vital for industrial and consumer equipment today. The RX66N can also contribute to the miniaturization of the housing and the shortening of the development cycle.

Features

  • 120MHz RXv3 core, double-precision FPU, and register bank save function that speeds up interrupt response
  • 4MB flash memory (120MHz read access, dual bank), 1MB SRAM
  • 182 general I/O ports
  • Ethernet, SD Host interface, USB 2.0 Full Speed, 3-channel CAN, QSPI
  • TFT LCD controller, 2D drawing engine, serial sound interface, CMOS camera interface
  • Encryption engines (AES, 3DES, RSA, ECC, SHA, TRNG), key management, flash memory protection
  • Single power supply with operation from 2.7V to 3.6V
  • Operating ambient temperature: -40 to 85°C or -40 to 105°C

Comparison

Applications

Documentation

Design & Development

Software & Tools

Software Downloads

Type Title Date
Software & Tools - Other Log in to Download ZIP 453 KB 日本語
1 item

Sample Code

Boards & Kits

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.

Diagram of ECAD Models

Models

Type Title Date
Model - BSDL Log in to Download BSDL 35 KB
Model - BSDL Log in to Download BSDL 36 KB
Model - BSDL Log in to Download BSDL 31 KB
Model - IBIS Log in to Download ZIP 3.67 MB
4 items

Product Options

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Support

Support Communities

Support Communities

Get quick technical support online from Renesas Engineering Community technical staff.
Browse FAQs

FAQs

Browse our knowledge base of common questions and answers.
Submit a Ticket

Submit a Ticket

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Support Communities

  1. RX66N Target Board - Error when attempting to connect via JTAG

    Hello, I recently obtained an RX66N target board, installed all the necessary software, but when attempting to connect to it via JTAG, I encounter the following error message: PowerSuppy() Failed RxTargetDevice::startConnection() Rx_Init_E1_E20() Failed GDB Server for Renesas targets. Version 9.5.0.v20240410-100424 [1a8868bc] (Apr ...

    Jul 12, 2024
  2. Smart Configurator; RX23E-B; RX66N

    ... find "Application Note" (R01AN1692EJ0290 Rev.2.90) with the following API: Is there any application note for the changed API? I have also noticed that I get a different "Developer Assistance" display for the RX66N: RX23E-B vs. RX66N           Any tips on what I am doing wrong? Best regards, Roger

    Jul 3, 2024
  3. SIL3 SW KIT Evaluation_Ver.2.12_RX66N_E

    Hi, I'm evaluating  Functional Safety Platform Software (PL-SW software evaluation Ver 2.12) on R5F566NDDDFC.    I Simply configured SCI6 Rx Interrupt in app1 user in the PL-SW. After receiving a few characters an overrun error  appears in serial status register and reception stops. I think I didn ...

    Mar 18, 2024
View All Results from Support Communities (30)

FAQs

  1. Evaluation Board for RX72M, RX72N and RX66N

    ... RJ45 connector, and Wi-Fi/BLE module. There are no dedicated kits for the RX66N. The RX72N kits can be used to evaluate the RX66N by reducing the clock from 240MHz to 120MHz. Either the RSK+ or the Envision Kit can be used for RX66N development. Note that to ...

    Apr 7, 2020
  2. Is there any limitation when using Double-Precision Floating-Point Coprocessor on some RXv3 devices (RX66N, RX72N, RX72M)?

    ... double precision floating handling isn't enabled, there isn't any byte-alignement limitation on the RXv3 core.   For more information, Chapter 2.8 of RX66N user's manual describes this feature:   https://www.renesas.com/en/document/mah/rx66n-group-users-manual-hardware ...

    Dec 10, 2024
  3. Target Application of RX72M, RX72N and RX66N

    The RX72M, RX72N, and RX66N have built-in flash memory capable of reading data at 120 MHz with no wait-states, which is the industry’s fastest class, so these devices exhibit stable CPU performance. These devices are optimal for industrial robots, general-purpose inverters, block-type PLCs and remote ...

    Apr 7, 2020
View All Results from FAQs (9)

Videos & Training

News & Blog Posts

Blog Post
Jun 1, 2023
RX Family Software – The Past and the Future – #9 Design IoT Latest Provisioning Scheme with RX MCUs
Blog Post
May 19, 2023
Essential Security Measures to Safeguard Against Threats in IoT Devices
Blog Post
Apr 18, 2023
RX Family Software – The Past and the Future - #8: Security for IoT Applications
Blog Post
Apr 6, 2023
Say Goodbye to Hardware Manual Confusion with Our Comprehensive Guide!
Blog Post
Mar 28, 2023
RX Family Software – The Past and the Future - #7: Cellular Connectivity
Blog Post
Mar 20, 2023
Upgrade MCUs with the Latest Industry-leading 32-bit RX Family MCUs! RX Portfolio is Expanding
Blog Post
Mar 3, 2023
Tips for Selecting Low Power Consumption Modes on the RX MCU
Blog Post
Jan 23, 2023
RX Family Software – The Past and the Future - #6
Blog Post
Jan 11, 2023
Learn AWS/Azure Cloud Connectivity through Videos. Let’s Start IoT Development using the RX Family!
Blog Post
Sep 1, 2022
RX Family Software – The Past and the Future - #5
Blog Post
Aug 5, 2022
RXv3 Core has achieved 6.0 CoreMarks/MHz with CC-RX V3.04!
Blog Post
Jul 29, 2022
Introducing the RX family low-power solution with low power by using Cellular and FreeRTOS
Blog Post
Jul 22, 2022
Target Board for RX Family: where your creativity comes to life
Blog Post
Jun 27, 2022
Realizing Secure and High-Speed Communications with RX MCU and wolfSSL's TLS Library
Blog Post
Jun 17, 2022
Bringing DSPs Closer to You! Realizing Digital Filters with the Latest Low-End RX140 Microcontroller of the RX Family!
Blog Post
Apr 28, 2022
Azure RTOS ADU
Blog Post
Apr 19, 2022
Design Guide for RX MCU Board Wiring Pattern
Blog Post
Apr 5, 2022
RX Family Software – The Past and the Future - #3
Blog Post
Mar 15, 2022
Realizing OTA Function of a Secondary MCU with the RX MCU – FreeRTOS Version
Blog Post
Mar 11, 2022
RX Family Software – The Past and the Future - #2
Blog Post
Mar 4, 2022
Supporting a Smooth Start of Your Development with RX by Video!
Blog Post
Feb 1, 2022
RX Family Software – The Past and the Future - #1
Blog Post
Dec 6, 2021
To Seamlessly Switch to a 32-Bit RX Family MCU
Blog Post
Nov 30, 2021
Would You Like to Address the Challenges of Network-Connected Equipment by Using 32-Bit RX66N MCUs?
Blog Post
Oct 26, 2021
Easy to Start with Tutorial Videos! Cloud Connectivity Using Azure RTOS and RX65N Cloud Kit
Blog Post
Oct 15, 2021
Interview with RX MCU Family User, HITACHI Solutions Technology
Blog Post
Oct 6, 2021
Introducing the Smart Configurator Board Support Feature for Quick Project Setup
Blog Post
Sep 21, 2021
How Renesas Approaches Functional Safety over EtherCAT (FSoE)
Blog Post
Aug 4, 2021
Introducing the RX Family Firmware Update Middleware that Can Easily Realize FOTA (Firmware Update Over-The-Air) Implementation
Blog Post
Aug 2, 2021
DSP Experience with RX Family MCU! Visualizing DSP Behavior with Free Sample Program!
Blog Post
Jul 20, 2021
Try Building an Evaluation Environment for a WVGA LCD Display Using a General-Purpose 32-Bit MCU and a Commercial LCD Panel
Blog Post
Jul 13, 2021
Introducing the RX MCU Product Longevity Program (PLP) that Goes Beyond 15 years of Support!
Blog Post
Jul 2, 2021
Let’s Get Started with RX MCU Software Development! First Step is to Start with e² studio.
News
Jun 15, 2021
Renesas Extends Support for Microsoft Azure RTOS Across 32-bit MCU Families with Simple Licensing for Secure Embedded IoT Development
Blog Post
Jun 10, 2021
Easy Azure IoT Connection! RX65N 32-bit MCU Supports Azure RTOS
Blog Post
May 19, 2021
Edge Trust Security Service Using RX Microcomputer CMVP Certified
Blog Post
May 11, 2021
POC Development Using a GUI in 10 Minutes - Introducing the New Functions of the Newly Released QE for Display (RX)
Blog Post
Apr 20, 2021
Solution that Strongly Supports the Development and Manufacturing of Secure IoT Devices
Blog Post
Mar 31, 2021
AWS Certified Program - OTA Firmware Updates Using AWS
Blog Post
Mar 3, 2021
Easy GUI Development Using Renesas' “QE for Display” Development Tool
Blog Post
Feb 18, 2021
Implement Robust IoT Security Easily with RX Security Solutions
Blog Post
Nov 29, 2020
Developing GUI for the Embedded With Your Familiar PPT? Installing a Color LCD Without Programming
Blog Post
May 28, 2020
Commemorating on the Growth of Renesas 32-Bit RX Family on its 10th Anniversary
Blog Post
Apr 15, 2020
Olympic Games Postponed, but Raise Your Spirits through Sports Games Created with HMI Development Kit!