Scalable MCUs deliver leading-edge security, easy development, excellent balance of power and performance
Renesas’ scalable RA Family of 32 bit Arm® Cortex®-M microcontrollers delivers high performance, robust security features, and excellent power efficiency for a wide range of embedded applications. With rich connectivity options and support for ultra low power operation, the RA lineup is well suited for designs that span from general purpose to advanced AIoT systems. A comprehensive ecosystem of software, development tools, and partner solutions helps simplify integration and accelerate time-to-market.
Key advantages:
Arm‑Based MCUs
A broad range of Arm‑based microcontrollers featuring Cortex‑M23, M4, M33, and the high‑performance Cortex‑M85 with Helium™ technology. These MCUs deliver strong power efficiency and reliable performance across diverse embedded applications.
Robust Security
Robust protection through integrated Renesas Security IP and Arm v8-M TrustZone®, providing advanced tamper detection and strong resistance against cyberthreats.
Dynamic Technology Integration
Precise capacitive touch sensitivity across a wide range of materials, along with integrated connectivity options that support efficient IoT development.
The RA Family of microcontrollers include:
RA0 Series
- Cost‑efficient, ultra‑low‑power performance – Arm Cortex‑M23 CPU up to 32MHz
- Memory: Up to 128kB Flash with up to 16kB RAM
- Operating voltage: 1.6V-5.5V
RA2 Series
- Excellent balance of cost, performance, and ultra‑low power – Arm Cortex‑M23 CPU up to 48 MHz
- Memory: 16kB to 256kB Flash with 16kb to 32kB RAM
- Operating voltage: 1.6V-5.5V
RA4 Series
- Power/performance balance – Arm Cortex M33 CPU up to 100MHz
- Memory: 256kB to 1MB Flash with 128kB RAM
- Operating voltage: 2.7V-3.6V
RA6 Series
- Advanced, performance - Arm Cortex M33 CPU up to 200MHz
- Memory: 512kB to 2MB Flash with 256kB to 512kB RAM
- Operating voltage: 2.7V-3.6V
RA8 Series
- Advanced, power‑optimized performance – Arm Cortex‑M85 CPU up to 480MHz (higher frequencies available on select RA8 groups)
- Memory: Up to 2MB Flash with up to 1MB RAM
- Operating voltage: 1.62V-3.6V
With a shared design framework, these series offer feature and pin compatibility—allowing easy scalability and code reuse, accelerating time-to-market.
Meet RA MCUs for Motor Control
Renesas RA delivers scalable Arm‑based performance with power efficiency, fast development, and simple migration from RA2T to RA8T.

RASynBoard Evaluation Kit
The RASynBoard eval kit is based on the RASynBoard module, a tiny (25mm x 30mm), ultra-low power, edge AI/ML board, based on a Syntiant NDP120 Neural Decision Processor, a Renesas RA6M4 host MCU plus a power efficient DA16600 Wi-Fi/BT combo module.

