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Renesas RH850/U2A Zone/Domain Microcontrollers are automotive-control devices designed to address the growing demand for integrating multiple applications into a single chip to realize unified electronic control units (ECUs) for the evolving electrical-electronic (E/E) architectures. Based on 28nm process technology, the 32-bit RH850/U2A MCUs build on key functions from Renesas’ RH850/Px Series for chassis control and RH850/Fx Series for body control to deliver improved performance. The automotive-control MCUs are equipped with up to four 400MHz CPU cores in a dual-core lock-step structure. Each CPU core integrates a hardware-based virtualization-assisted function allowing multiple software systems with varying ISO26262 functional safety levels to operate independently without interference during high performance. The virtualization-assisted function also reduces the virtualization overhead to maintain real-time execution. This enables users to integrate multiple ECU functions into a single ECU while maintaining safety, security, and real-time operation requirements.
The MCUs include security functions fulfilling EVITA Full for enhanced protection against cyber-attacks, enabling the device to support safe and rapid Full No-Wait OTA software updates as security requirements evolve. Equipped with an extensive set of network interfaces, the RH850/U2A MCUs process large amounts of sensor data generated by multiple types of sensors in ADAS and autonomous driving functions. This processing power allows users to support future high-speed network functions and advanced communications throughput requirements.
