HD Video Solution for Advanced Driver Assistance Systems (ADAS)

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Video is transmitted by modulated analog signal

Electronics & Electricity, Motors & Drives

HD Video Solution for Advanced Driver Assistance Systems (ADAS)
HD Video Solution for Advanced Driver Assistance Systems (ADAS)

Renesas Electronics Corporation introduces the RAA279971 AHL encoder and RAA279972 decoder using a modulated analog signal to transmit video. This enables the use of traditional twisted pair cables and standard connectors as well as existing analog video cables and connectors, and achieves transmission rates 10 times lower than those required to transmit HD signals digitally. The MIPI-CSI2, BT656 and DVP inputs and outputs provide a flexible interface to support old and new image sensors. The AHL can be combined with other Renesas products such as R-Car automotive SoCs, RH850 MCUs, automotive PMICs and analog components.

AHL offers a bi-directional control channel to initialize, program and monitor the camera module

Robustly designed against noise, it also has the ability to control the camera simultaneously on the same wire pair (UTP) during video transmission. The AHL supports resolutions ranging from VGA to 720p/60 or 1080p/30 which allows more flexibility to implement non-standard vertical resolutions (not just the standard 16:9 resolutions of TV video). Finally, it requires only a 27 MHz crystal clock thanks to internal PLLs capable of generating the necessary clock rates for higher resolutions. “Advanced safety systems are no longer only available in luxury vehicles,” said Niall Lyne, Vice President of the Automotive Analog Power and Video Business Division at Renesas. “The AHL system enables our automotive customers to now deliver these features in all new vehicles, including economy models.

Posted on July 20, 2021 - (319 views)
Renesas Electronics GmbH
Arcadiastrasse 10
40472 Düsseldorf - Germany
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