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RA Family 32-bit MCUs with Arm Cortex-M Core

Delivering the Promise of a Secure, Connected and Intelligent IoT

The flexible Renesas Advanced (RA) 32-bit microcontrollers (MCUs) are industry-leading 32-bit MCUs with the Arm® Cortex®-M33, -M23, -M4, and -M85 processor cores and PSA certification. RA delivers key advantages compared to competitive Arm Cortex-M MCUs by providing stronger embedded security, superior CoreMark® performance and ultra-low power operation. PSA certification provides customers the confidence and assurance to quickly deploy secure IoT endpoint and edge devices, and smart factory equipment for Industry 4.0.

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Renesas RA Family Partner Ecosystem

Renesas RA Partner Ecosystem

Renesas is enabling a comprehensive partner ecosystem to deliver an array of software & hardware building blocks that will work out-of-the-box with Renesas RA Family MCUs.

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RA Flexible Software Package

Flexible Software Package (FSP)

The Renesas RA Flexible Software Package (FSP) provides a quick and versatile way to build secure connected Internet of Things (IoT) devices using the Renesas RA family of Arm microcontrollers (MCUs).

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RA Kits

MCU Evaluation Kits

Effortlessly evaluate different features of RA MCUs while enjoying an unparalleled innovation experience. Shorten the learning curve and take your products to market faster.

Find RA MCUs by Solution

RA Family Beginner's Guide

This step-by-step guide takes you from the basics about the Flexible Software Package (FSP) and the RA toolchain to creating a project with the EK-RA6M4 Evaluation Kit from scratch.

Product Longevity Program (PLP)

Renesas offers the Product Longevity Program (PLP) to help customers select the most appropriate part for applications that require long life cycles. Participating RA Family products are available for up to 15 years.

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Renesas Product Longevity Program (PLP) 15 Years

Renesas RA Family MCU Portfolio

Product Selector: RA Arm Cortex-M MCUs

Explore our catalog of products through our parametric product selector tool. Compare specifications across various parameters to find the right part for your design.

Product Selector

Documentation

Videos & Training

News & Blog Posts

News
Jun 10, 2025
Renesas Brings USB-C Rev. 2.4 Support to New Ultra-Low-Power RA2L2 Microcontroller Group
News
Apr 22, 2025
Renesas Debuts New Group in Popular RA0 Series with Best-in-Class Power Consumption and Extended Temperature Range
News
Feb 27, 2025
Renesas Teams Up with Applus+ Laboratories to Achieve PSA Certified Level 1 with CRA Extension for Three New MCU Groups
News
Feb 19, 2025
Renesas Debuts Ultra-Low-Power RA4L1 MCUs with Capacitive Touch, Segment LCD and Robust Security
Blog Post
Feb 18, 2025
Can Your MCU Bring Advanced Security to Low-Power Designs?
Blog Post
Nov 6, 2024
Selecting the Best Memory Option for Your System Needs
News
Nov 5, 2024
Renesas Brings the High Performance of Arm Cortex-M85 Processor to Cost-Sensitive Applications with New RA8 Entry-Line MCU Groups
News
Apr 9, 2024
Renesas Introduces New Entry-Level RA0 MCU Series with Best-in-Class Power Consumption
News
Mar 21, 2024
New Renesas MCUs with High-Resolution Analog and Over-the-Air Update Support Help Customer Systems Conserve Energy
Blog Post
Mar 20, 2024
How an MCU Can Contribute to an Energy-Saving Society
Blog Post
Mar 13, 2024
Design AI/ML Applications the Easy Way
News
Jan 30, 2024
Renesas Brings Industry-Leading Performance of RA8 Series MCUs to Motor Control Applications
Blog Post
Jan 29, 2024
How to Add More Value to Your Motor Control System
Blog Post
Dec 14, 2023
Robust & Reliable Motor Control for Industrial Domain
News
Dec 12, 2023
Renesas Delivers New RA8 MCU Group Targeting Graphic Display Solutions and Voice/Vision Multimodal AI Applications
Blog Post
Dec 5, 2023
MCU Power-Saving Functions Ensure Your System Isn’t a Power Hog
Blog Post
Nov 16, 2023
Energy-Efficient Motor Control for Home Appliances
Blog Post
Oct 31, 2023
Power Your Edge AI Application with the Industry’s Most Powerful Arm MCUs
Blog Post
Sep 4, 2023
Low Voltage Motor Control with Enhanced Operation
Blog Post
Aug 22, 2023
Configuration Issues with the RA6 Ethernet Controller
Blog Post
Aug 2, 2023
Power Up Your SPI Transfers
Blog Post
Jul 27, 2023
Reducing Noise Issues in Microcontroller Systems - Part 4
Blog Post
Jul 17, 2023
Motors are everywhere; drive them efficiently
Blog Post
Jun 26, 2023
Reducing Noise Issues in Microcontroller Systems - Part 3
Blog Post
Jun 23, 2023
Using ECC to Correct Soft Errors on the RA Family
Blog Post
Jun 20, 2023
Reducing Noise Issues in Microcontroller Systems - Part 2
Blog Post
Jun 13, 2023
Reducing Noise Issues in Microcontroller Systems - Part 1
News
May 30, 2023
Renesas Expands Market-Leading Motor Control Embedded Processing Portfolio with Over 35 New MCUs
Blog Post
May 24, 2023
Let's try to run the temperature/humidity sensor HS3001 with the entry-level microcontroller RA2E2!
Blog Post
May 17, 2023
Commitment to Quality Ensures Reliability!
Blog Post
Apr 20, 2023
Embedded World 2023 Recap: Showcasing the Power of Helium Technology and Arm Cortex-M85 in AI and DSP Applications
Blog Post
Apr 20, 2023
Leveraging Helium and ARM® Cortex®-M85 for Unprecedented DSP and AI Performance on an MCU Core
News
Apr 11, 2023
Renesas Samples Its First 22-nm Microcontroller
News
Mar 14, 2023
Renesas Expands RA MCU Family with Two New Entry-Line Groups Offering Optimal Combination of Performance, Features and Value
Blog Post
Mar 14, 2023
‘Tried & True’ – Renesas MCUs Are Made for You
Blog Post
Mar 13, 2023
The I3C Interface Can Help Improve Performance in Sensor Applications
News
Mar 9, 2023
Renesas to Demonstrate First AI Implementations on the Arm Cortex-M85 Processor Featuring Helium Technology at Embedded World
Blog Post
Feb 23, 2023
Making a Time Check with the Clock Frequency Accuracy Measurement Circuit
Blog Post
Feb 9, 2023
The Asynchronous General Purpose Timer, Providing RA Microcontrollers with Low Power Timing Solutions
Blog Post
Jan 30, 2023
Creating Reliable Crystal Oscillators Circuits for Your MCU Design
Blog Post
Jan 5, 2023
The Event Link Controller – Automatically Manage Low Level System Tasks on RA MCUs
Blog Post
Dec 12, 2022
Creating autonomous I/O systems without the need for CPU intervention
Blog Post
Nov 22, 2022
The Data Transfer Controller – a flexible way to transfer data
Blog Post
Nov 15, 2022
Three Reasons You'll Want to Use Our Flexible Software Package for Your IoT Designs
Blog Post
Oct 25, 2022
Would You Like to Use a LoRa®-Based Solution from Renesas to Develop IoT Applications with Low Power Consumption?
Blog Post
Oct 21, 2022
What’s up DOC? A smart way to manage smart peripherals
Blog Post
Oct 20, 2022
Introduction of Evaluation Environment of BLDC Motor with Inductive Position Sensor IC (IPS2200) by RA6T2
Blog Post
Oct 20, 2022
TrustZone Implementation Overview and Pitfalls
Blog Post
Oct 13, 2022
Renesas secure key installation with free of charge DLM service
Blog Post
Aug 2, 2022
Your Year to Design Secure, Connected, Scalable IoT Products with the RA Family of MCUs
News
Jun 15, 2022
Renesas Launches Cellular-to-Cloud IoT Development Platforms Powered by RA and RX MCU Families
Blog Post
Jun 8, 2022
Small Prototyping Board Delivers Big Ideas
News
May 24, 2022
Renesas Will Demonstrate the First Working Silicon Based on the Recently Debuted Arm Cortex-M85 Processor
News
May 19, 2022
Renesas RA Family MCUs Achieve CAVP Certification for Comprehensive Suite of Cryptographic Algorithms
Blog Post
May 19, 2022
NIST Certifications and Tests Provide Security Solution Confidence
Blog Post
Apr 28, 2022
Arm Cortex-M85 Is Here, Is Your IoT Design Ready?
Blog Post
Jan 28, 2022
The RA MCU Family is Made to Help Solve Your Design Challenges
Blog Post
Dec 9, 2021
Use the Latest Technology in Your Next BLDC Motor Control Design
News
Dec 8, 2021
Renesas Introduces RA6T2 MCUs for Next-Generation Motor Control in Inverter Appliances, Building Automation and Industrial Drive
News
Oct 21, 2021
Renesas Announces Development of Next-Generation Wireless MCUs Supporting New Bluetooth® 5.3 Low Energy Specification
Blog Post
Oct 21, 2021
What’s New in Bluetooth® 5.3 Low Energy
News
Oct 20, 2021
New “Renesas Ready Partner Network” Delivers Commercial-Grade, Performance-Optimized Building Blocks For RA, RX and RL78 MCU Lines With A Powerful Community of Trusted Technology Partners
News
Oct 13, 2021
Renesas’ New RA MCU Group Delivers Ultra-Low Power, Innovative Peripheral Functions In Tiny Package
Blog Post
Oct 13, 2021
New Entry-level RA Family RA2E2 MCU Group for DDR5 DIMM LED Control Application
News
Sep 30, 2021
Renesas Introduces Industry’s Highest Performance Entry-Line MCUs
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
May 13, 2021
Find the right MCU with your fingertip!
News
Mar 31, 2021
New RA6M5 Group from Renesas Completes Mainstream Line of RA6 Series Arm Cortex M33-Based MCUs
Blog Post
Mar 31, 2021
5 Reasons Why the RA6M5 is the Perfect MCU for Your Secure Platform Design
News
Mar 10, 2021
Renesas Extends IoT Security Leadership With PSA Certified Level 2 and SESIP Certification for RA Family Devices
News
Feb 3, 2021
Renesas Expands Low-Power Industrial and IoT Applications Reach With New RA4M2 MCU Group in Arm Cortex-Based MCU Family
Blog Post
Feb 3, 2021
You Can Choose any Microcontroller as Long as it is a Renesas RA Microcontroller
News
Jan 27, 2021
Renesas Adds New Entry-Line RA2E1 MCU Group to RA Family to Address Cost-Sensitive and Space-Constrained Applications
Blog Post
Jan 27, 2021
New Entry-Level RA Family RA2E1 MCU Group for Low-Cost, Low Power and Space-Constrained Applications
News
Dec 9, 2020
Renesas Extends Arm Cortex-Based MCU Family with RA4M3 MCU Group for Industrial and IoT Applications
News
Dec 2, 2020
Renesas RA Family Adds Ultra-Low Power RA2L1 MCU Group with Advanced Capacitive Touch Sensing for Cost-Effective, Energy-Efficient IoT Node HMI Applications
Blog Post
Dec 2, 2020
New RA2L1 MCU Group with Enhanced Capacitive Touch for Advanced HMI
News
Oct 28, 2020
Renesas Extends RA MCU Family with RA6T1 MCU Group for Motor Control and AI-based Endpoint Predictive Maintenance
News
May 7, 2020
Renesas Extends Bluetooth 5.0 Connectivity to RA Family of 32-Bit MCUs with Arm Cortex-M Core
News
Oct 8, 2019
Renesas Electronics Unveils RA Family of 32-Bit Arm Cortex-M Microcontrollers with Superior Performance and Advanced Security for Intelligent IoT Applications

Tools & Resources