In response to user requirements that are rapidly expanding in scope, Renesas Electronics offers microcontroller (MCU) and microprocessor (MPU) products that provide excellent expandability while allowing customers to make full use of existing resources. 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, which enables integration of large-capacity flash memory, they are used in a wide array of applications, including demanding fields that require high quality and high reliability, such as the automotive industry.

Additionally, there is a robust support system in place to help reduce development costs and reduce the time required for development. It consists of a variety of development tools, including products from other companies, backed by extensive technical documentation, software libraries, and active user communities. As the world's number one MCU/MPU vendor, Renesas Electronics provides the best and most powerful solutions based on a wide selection of microcontrollers and microprocessors.

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: 20-32MHz


  • 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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