Renesas Extends Arm Cortex-Based MCU Family with RA4M3 MCU Group for Industrial, IoTApplication

Japanese semiconductor manufacturer Renesas Electronics Corporation has expanded its RA4 Series microcontrollers (MCUs) with the new 32-bit RA4M3 Group of MCUs. The RA4M3 MCUs boost operating performance up to 100 MHz using the Arm® Cortex®-M33 core based on Armv8-M architecture.

December 09, 2020. By Manu Tayal

Featuring industry-leading performance, Arm TrustZone® technology, Renesas’ Secure Crypto Engine, and a suite of new memory enhancements, the RA4M3 Group makes it easy to develop safe and secure IoT edge devices for low-power applications, such as security, metering, industrial, and HVAC applications.

Commenting on the development, Roger Wendelken, Senior Vice President of Renesas’ IoT and Infrastructure Business Unit, said that “I am excited about the rapid expansion of the Renesas RA MCU family following our RA6M4 MCU Group introduction last October.”

“While RA6M4 target applications demand superior performance and advanced security, the RA4M3 Group offers a well-balanced combination of performance and power consumption with the same advanced security and safety. In addition, customers can take full advantage of the flexibility for memory expansion options that are typical for a broad range of industrial and IoT applications that require continuous innovation,” said Wendelken.

The RA4M3 Group is designed for low-power IoT applications that require a balance of high performance, strong security, and higher memory. The RA4M3 MCUs combine TrustZone technology with Renesas’ enhanced Secure Crypto Engine, enabling customers to realize secure element functionality in a wide variety of IoT designs. The Secure Crypto Engine incorporates multiple symmetric and asymmetric cryptography accelerators, advanced key management, security lifecycle management, power analysis resistance, and tamper detection.

The FSP provides a host of efficiency enhancing tools for developing projects targeting the RA4M3 MCUs. The e2 studio Integrated Development Environment provides a familiar development cockpit from which the key steps of project creation, module selection and configuration, code development, code generation, and debugging are all managed. The FSP uses a GUI to simplify the process and dramatically accelerate the development process.

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