Renesas ships more than 3.5 billion MCUs per year, with approximately 50% in Automotive and roughly 20 Renesas MCUs in each automobile, while the other 50% are in other key markets like Industrial, IoT, and Infrastructure. Renesas has the broadest portfolio of 8-, 16- and 32-bit devices, and is the #1 supplier in 16- and 32-bit MCUs. We ensure supply continuity to our customers by deploying dual source manufacturing for the majority of our MCUs. Renesas has been a trusted, reliable supplier delivering billions of safe and secure MCUs for decades.

Available in a wide array of memory and package options, Renesas microcontrollers and microprocessors are fast, highly reliable, low in cost, and deliver eco-friendly performance. Incorporating the latest process technology to enable large-capacity flash memory integration, our MCUs and MPUs are used in a wide array of applications, including demanding fields that require high quality and high reliability.

Renesas offers the broadest portfolio of ultra-low-power to high-performance MCUs in the market to meet the needs of smart embedded electronics. Renesas MCUs are designed to enable the highest levels of safety and security by offering dedicated hardware features combined with certified software libraries to safeguard the availability, integrity, and confidentiality of any solution.

All Renesas MCUs are designed to support ultimate flexibility for designers with complete functional and pin-to-pin compatibility across device families. This enables our customers to quickly diversify and grow their application footprint while maintaining their platform concept with maximum software and hardware reuse.

Renesas MCU / MPU Selection Tool


RA Arm® Cortex®-M MCUs

32-bit MCUs with the Arm® Cortex®-M33, -M23 and -M4 processor cores

RZ 32 & 64-bit MPUs

32-bit and 64-bit Arm®-based high-performance microprocessors

RL78 Low Power 8 & 16-bit MCUs

8- and 16-bit, low power, high-performance microcontrollers

RX 32-Bit Performance / Efficiency MCUs

32-bit, high-performance, power-efficient microcontrollers

RISC-V 32 & 64-Bit MCUs and MPUs

A free and open RISC ISA driven by open collaboration

RH850 Automotive MCUs

32-bit automotive MCUs with functional safety and embedded security

Renesas Synergy™ Platform MCUs

32-bit, Arm® Cortex®-M, high-performance microcontrollers

Reality AI Software

Delivering endpoint intelligence with real-time analytics and non-visual sensing

Other MCUs & MPUs

MCU/MPU products that provide excellent expandability


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PDF 465 KB 日本語 Flyer
PDF 12.68 MB 日本語 Brochure
PDF 11.44 MB 日本語 Brochure
PDF 9.07 MB 日本語 , 简体中文 Brochure
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Renesas MCUs – Tried and True, Made for You and Your Next Design

An overview of how Renesas has become the leading global MCU supplier, shipping more than 6 million MCUs every day backed by decades of customer confidence and a history of reliability and security.

News & Blog Posts

RISC-V to the Core: New Horizons Blog Post Nov 30, 2023
Renesas Extends Its AIoT Leadership with Integration of Reality AI Tools and e² studio IDE News Sep 21, 2023
Semiconductor Industry Is Pulling AI Across a Diversity of End Uses and Applications Blog Post Jul 24, 2023
Semiconductor process technology; History, trends and evolution Blog Post Jul 6, 2023
Renesas Expands Market-Leading Motor Control Embedded Processing Portfolio with Over 35 New MCUs News May 30, 2023
Commitment to Quality Ensures Reliability! Blog Post May 17, 2023
Renesas Samples Its First 22-nm Microcontroller News Apr 11, 2023
Renesas Round-Up: A Q&A with Roger Wendelken on Trends Shaping Industrial MCUs Blog Post Mar 29, 2023
‘Tried & True’ – Renesas MCUs Are Made for You Blog Post Mar 13, 2023
Renesas to Demonstrate First AI Implementations on the Arm Cortex-M85 Processor Featuring Helium Technology at Embedded World News Mar 9, 2023
Getting Started with Endpoint AI Blog Post Sep 5, 2022
Functional Safety with Added Intelligence Blog Post Aug 22, 2022
AI-Based Security at the Endpoint Blog Post Aug 8, 2022
Your Year to Design Secure, Connected, Scalable IoT Products with the RA Family of MCUs Blog Post Aug 2, 2022
Sensor Fusion with Deep Learning Blog Post Jul 25, 2022
Enhance Touch and Gesture with AI Blog Post Jul 11, 2022
Revolution of Endpoint AI in Embedded Vision Applications Blog Post Jun 27, 2022
The Role of AI and Endpoint Real-time Data Analytics Blog Post Jun 13, 2022
Give Voice to Smart Products Blog Post May 30, 2022
Data Science and Data Integrity within AIoT Blog Post May 16, 2022
Endpoint Intelligence Blog Post Apr 25, 2022
Convergence of AI and IoT in the Embedded Space Blog Post Apr 8, 2022
Prototyping Smart-Home Products is Easier than Ever with the Quick-Connect IoT System Blog Post Mar 25, 2022
Get IoT Ready with Building Blocks from the Renesas Ready Partner Network Blog Post Oct 19, 2021