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Renesas Electronics

RA, RX and RL78 microcontrollers plus Wi-Fi, Bluetooth and cellular silicon for embedded systems

Tokyo, Japan Founded 2010 5000+ employees Verified October 17, 2026 Updated October 17, 2026

Renesas Electronics supplies microcontrollers, microprocessors, analog and power chips and wireless connectivity silicon to industrial, automotive and consumer customers. Its RA Arm Cortex-M line (from the RA0 for simple sensors to the 1 GHz RA8), the RX and RL78 families, the RZ microprocessors and RISC-V parts target battery-operated sensors, appliances, meters and building automation, while the connectivity portfolio covers Bluetooth Low Energy, Wi-Fi MCUs, sub-GHz and Wi-SUN transceivers, DECT and NFC. The Flexible Software Package and the Eclipse-based e2 studio IDE are free of charge on any Renesas device, with FSP source published on GitHub. Renesas also offers timing devices and the Reality AI tools for edge machine learning.

Main products

  • RA Arm Cortex-M MCUs (RA0 to RA8)
  • RX MCUs
  • RL78 MCUs
  • RZ MPUs
  • RISC-V MCUs and MPUs
  • Bluetooth LE / Wi-Fi / Wi-SUN / NFC connectivity
  • Flexible Software Package (FSP)
  • e2 studio

Pricing model

In-stock parts marked with a cart icon can be bought directly on renesas.com (MyRenesas login required) with inventory and pricing shown in the cart; other parts go through distribution partners. Samples are requested with a company e-mail and ship only to selected countries. FSP and e2 studio are free of charge on any Renesas device; compilers are not included and are installed separately. Official pricing page.

Known limits

  • Direct purchase requires a MyRenesas login and covers in-stock parts only
  • Sample requests need a company e-mail address and ship only to selected countries
  • e2 studio does not include a compiler; GCC or Renesas toolchains are installed separately

Alternatives in the directory

  • STMicroelectronics: STM32 microcontrollers, MEMS sensors and secure chips for industrial and consumer IoT
  • NXP Semiconductors: Microcontrollers, crossover processors, NFC and secure elements for edge and automotive devices
  • Microchip Technology: PIC, AVR and SAM microcontrollers, wireless modules and CryptoAuthentication secure chips

Products, pricing and limits checked against the company's official site on October 17, 2026. Prices and plans change; the official page is the reference. Spotted an error? Tell us or see the editorial policy.

Focus: microcontrollers, wireless socs.

Tags: mcu · ble · wi-fi · risc-v · industrial

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