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

Our scalable Renesas Advanced (RA) 32-bit microcontrollers (MCUs) lead the industry with multi-architecture designs featuring high-performance Arm® Cortex®-M processor cores. With robust security, superior CoreMark® performance, ultra-low power operation, and exceptional wireless connectivity, we provide optimal technologies for a wide range of applications—from general-purpose to AIoT. Save development time with our software, tools, and ecosystem of ready-to-use partner solutions.

Arm-Based MCUs

Arm-Based MCUs

Our MCUs are embedded with Arm Cortex cores, including the M23, M4, M33, and the high-performance M85 with Helium™ technology, ensuring optimal power efficiency and unmatched performance.

Robust Security

Robust Security

Enjoy robust protection with our integrated Renesas Security IP and Arm v8-M TrustZone®, delivering advanced tamper detection and resistance to cyberthreats.

Dynamic Technology Integration

Dynamic Technology Integration

Leverage our superior capacitive touch technology with precise sensitivity, deployable onto a wide range of materials. Take advantage of leading connectivity options integrated into our MCUs to enhance your IoT development.

Scalable Development Tools

Scalable Development Tools

Our open ecosystem and Flexible Software Package (FSP) offers adaptability and easy integration with middleware. The FSP is scalable across RA MCUs, RX MCUs, and select RZ MPUs, enabling effortless development scalability.

Product Portfolio

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With a shared design framework, these series offer feature and pin compatibility—allowing easy scalability and code reuse, accelerating time-to-market.

Mainstream Low Power Entry ASSP Wireless Motor & Analog RA8 Series RA6 Series RA4 Series RA2 Series RA0 Series 32MHz Cortex-M23 64KB/12KB RA0E1 32MHz Cortex-M23 128KB/16KB RA0E2 32MHz Cortex-M23 16KB/2KB RA0E3 32MHz Cortex-M23 64KB/16KB RA0L1 48MHz Cortex-M23 256KB/32KB RA2A1 48MHz Cortex-M23 128KB/16KB RA2E1 48MHz Cortex-M23 256KB/32KB RA2L1 48MHz Cortex-M23 128KB/16KB RA2L2 48MHz Cortex-M23 512KB/48KB RA2A2 48MHz Cortex-M23 64KB/8KB RA2E2 48MHz Cortex-M23 64KB/16KB RA2E3 64MHz Cortex-M23 64KB/8KB RA2T1 48MHz Cortex-M4 512KB/96KB RA4W1 100MHz Cortex-M33 256KB/40KB RA4T1 100MHz Cortex-M33 512KB/128KB RA4E1 80MHz Cortex-M33 512KB/64KB RA4L1 80MHz Cortex-M33 512KB/96KB RA4C1 48MHz Cortex-M4 256KB/32KB RA4M1 100MHz Cortex-M33 128KB/40KB RA4E2 100MHz Cortex-M33 512KB/128KB RA4M2 100MHz Cortex-M33 1MB/128KB RA4M3 120MHz Cortex-M4 512KB/64KB RA6T1 160MHz Cortex-M33 no NVM/704KB RA6W1 200MHz Cortex-M33 1MB/256KB RA6E1 120MHz Cortex-M4 512KB/256KB RA6M1 240MHz Cortex-M33 512KB/64KB RA6T2 200MHz Cortex-M33 256KB/40KB RA6E2 120MHz Cortex-M4 1MB/384KB RA6M2 200MHz Cortex-M33 256KB/40KB RA6T3 120MHz Cortex-M4 2MB/640KB RA6M3 200MHz Cortex-M33 1MB/256KB RA6M4 200MHz Cortex-M33 2MB/512KB RA6M5 480MHz Cortex-M85 2MB/1MB RA8T1 360MHz Cortex-M85 1MB/544KB RA8E1 480MHz Cortex-M85 1MB/2MB RA8M1 480MHz Cortex-M85 1MB/672KB RA8E2 1GHz Cortex-M85, M33 1MB/2MB RA8T2 480MHz Cortex-M85 1MB/2MB RA8D1 1GHz Cortex-M85, CM33 1MB/2MB RA8M2 1GHz Cortex-M85, CM33 Graphics, 1MB/2MB RA8D2 1GHz Cortex-M85, M33 Ethos-U55, 1MB/2MB RA8P1

Security

Security

The rise of smart technologies and connected ecosystems, along with stricter regulations, drives manufacturers to prioritize security. Developers face tight budgets and timelines while building efficient, secure solutions. The RA Family meets these needs with hardware-based security, including isolated cryptographic operations, secure key storage, Arm TrustZone® technology, and side-channel protections.

Security in the Connected World

Functional Safety

Functional Safety

The importance of functional safety has grown with the demand for home appliances and industrial automation.  Functional safety protects people, machinery, and the environment from failure or error in manufacturing. System design and certification under functional safety standards, such as IEC 61508, requires significant time and effort, increasing costs and the risk of delays. Renesas offers a one-stop functional safety solution with general-purpose 32-bit microcontrollers (MCUs) featuring software to accelerate your time-to-market.

Motor Control

Motor Control

Our RAxT Series MCUs are designed with Arm Cortex-M23, Cortex-M33, or Cortex-M85 with TrustZone, offering robust processing performance and security for low- to high-end motor control applications. A wide range of communication interfaces integrate into these MCUs to address connectivity needs in a single package—simplifying development, lowering cost, and reducing space requirements. Renesas’ advanced low-power consumption technology enables energy-efficient products to meet the latest market needs.

Artificial Intelligence

Artificial Intelligence (AI)

Powered by Ethos™ -U55 neural processing unit, RA AI-accelerated MCUs provide best-in-class balance between AI processing performance and low power consumption, enabling developers to solve the tough energy issues while running AI applications. Engineers at all levels of AI expertise can jumpstart their AI development with the Robust Unified Heterogenous Model Integration (RUHMI) framework – an AI solution toolkit that efficiently deploy neural network models in a framework-agnostic manner. The RUHMI framework seamlessly integrates seamlessly with Renesas e2studio IDE, Flexible Software Package, and evaluation kits to accelerate development and shorten your product’s time-to-market. 

AI-Accelerated RA8P1 Microcontroller

Human Machine Interface

Human Machine Interface (HMI)

Renesas RA Family MCUs are equipped with Arm Cortex-M cores to provide enhanced responsiveness and strong security for voice and touch HMI applications. These MCUs support displays up to WXGA/XGA and are scalable with other product families, including RX Family MCUs and RZ Family MPUs.

IoT Cloud

IoT Cloud

The IoT Cloud serves as a vital centralized network, delivering the computing power needed to process and manage the vast amounts of data generated by IoT devices. Renesas RA MCUs provide the performance and reliability required for seamless IoT cloud connectivity, with cloud kits specifically designed to help users establish a secure environment for cloud-connected applications.

Renesas entry-level MCUs, including the RA0x and RA2x series, excel in low-power consumption, making them ideal for IoT sensor applications. When paired with a LoRa transceiver, these MCUs significantly extend battery life. Additionally, robust software resources are readily available for download, simplifying design complexities and enabling effortless LoRaWAN® integration, with or without interoperability features.

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RA Family Beginner's Guide

The step-by-step guide takes you from FSP basics and the RA Family toolchain to creating a project from scratch with the EK-RA6M4 evaluation kit.

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Select appropriate products for applications requiring long life cycles.