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Renesas Focuses on ADAS Cameras

December 4, 2018

Author: Mike Demler

A computer-vision (CV) processor designed for camera-based advanced driver-assistance systems (ADASs), the V3H is the newest product in Renesas’s third-generation R-Car platform. It boosts performance by 5x compared with its predecessor, the 28nm R-Car V3M. Combining all of its compute engines, the new chip can execute four trillion operations per second (TOPS). The convolutional-neural-network (CNN) accelerator delivers 426 billion multiply-accumulate operations per second (GMAC/s) while consuming just 300mW. The company manufactures the V3H in 16nm technology. The chip is sampling now and is scheduled to reach volume production in 3Q19.

The V3H integrates several hard-wired cores based on the company’s intellectual property (IP), along with a custom DSP-based vision processor that allows customers to run their own software. It primarily targets object recognition using front-facing mirror-mounted cameras, but it can also combine live video from as many as eight cameras to stream 360-degree surround views to a cockpit display.

The chip offers the CV features necessary for Level 2 and Level 3 systems, which are likely to be the fastest-growing segment of the ADAS market for the next several years. Europe’s New Car Assessment Program (Euro NCAP) is driving smart-camera requirements, and other regions are likely to follow. In 2020, to earn the organization’s highest five-star safety rating, cars must include autonomous emergency braking (AEB), cross-traffic alerts, lane-departure warning (LDW), and traffic-sign recognition. The V3H targets these applications in camera-based systems, and it supports lidar sensors as well. LeddarTech uses the predecessor V3M in its solid-state lidars.

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