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

Featured Product Families

Arm® Core and RISC-V Core

32/64-bit MPU

Renesas RZ Family MCUs

High Performance

Max operating frequency: 125MHz-1.5GHz


  • Multi-core up to 8 cores
  • Linux or RTOS available
  • High-capacity on-chip RAM
  • DRP*1 image processing acceleration
  • DRP-AI DNN acceleration

*1 DRP: Dynamically Reconfigurable Processor

Arm® Core

32-bit MCU

Renesas RA Family MCUs

Arm Ecosystem

Max operating frequency: 48-200MHz


  • High efficiency
  • Advanced security
  • Flexible Software Package

32-bit MCU

Renesas Synergy Family MCUs

Qualified Platform

Max operating frequency: 32-240MHz


  • Qualified software and tools

Renesas Core

32-bit MCU

Renesas RX Family MCUs

Power Efficiency

Max operating frequency: 32-240MHz


  • Superior power efficiency
  • High-capacity flash memories
  • Broad lineup

8/16-bit MCU

Renesas RL78 Family MCUs

Low Power

Max operating frequency: 16-32MHz


  • Ultra-low energy
  • Low pin count lineup available

32-bit MCU (Automotive)

Renesas RH850 Family MCUs

For Automotive



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 for Real Time Analytics on MCUs & MPUs

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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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.