Intersil claims first single-chip multchannel video decoder for vehicle-vision apps

Intersil, a leading provider of innovative power management and
precision analog solutions, announced the TW9966 four-channel
analog video decoder with a built-in analog video encoder for
around-view automotive applications. Based on Intersil's market leading
multi-channel video surveillance technology, the TW9966 features four
analog video decoders and an analog video encoder integrated into a
single chip, replacing up to five discrete components to simplify
design and save board space. The TW9966 video decoder and encoder is
optimized for automotive applications, offering the industry's best
analog decoding performance resulting in excellent picture quality for
generating 360-degree surround images for drivers.

To increase driver safety and reduce damage to vehicles, many leading
automotive original equipment manufacturers (OEMs) are providing
around-view technology as an option in their latest models. An
around-view monitor, also referred to as a surround view monitor,
processes video from four cameras and then combines the four images
into a single birds-eye view as if a camera was stationed directly
above the vehicle. The monitor helps drivers visually confirm the
vehicle's position relative to surrounding objects for easy
maneuvering. The Intersil TW9966 decoder and encoder provides consumers
with superb, detailed, high-quality video, enhancing their ability to
see objects around the car.

The TW9966 is able to deliver best-in-class video quality from analog
camera sources because of Intersil's precision analog-to-digital
converter (ADC) technology and proprietary comb filter integrated on
chip.The TW9966 integrates four high quality NTSC/PAL analog video
decoders with 10-bit ADCs to support: four analog camera inputs, a
flexible digital output interface that sends the images to a processor
that combines the four images into the unified around-view module, and
one analog video encoder that outputs the combined video as an analog
composite signal to the display, all in a single-chip solution.

The TW9966 also incorporates analog anti-aliasing filters on each channel
input to further reduce component count. The high level of integration
helps to simplify the system design and minimize the solution footprint
to preserve critical board space.

Intersil's new TW9966 video decoder and encoder provides performance,
quality and flexibility to enable automotive designers to program
multiple system architecture options in terms of routing multiple
channels of video to the back-end processor or FPGA, resulting in
optimized board design and reduced cost. The TW9966 offers a digital
output interface to support up to three different configurations:
standard ITU-R BT.656 format output on four 8-bit buses at 27MHz; time
multiplexed byte interleaved output to send two channels on a single
8-bit bus at 54MHz; or all four channels on a single 8-bit bus at
108MHz. The TW9966 also includes a phased-lock loop (PLL) to generate
the 54MHz or 108MHz output, requiring only a lower cost 27MHz
oscillator as a reference.

"Intersil has been a leader in multi-channel decoder technology
supporting complex security surveillance systems for years," said
Philip Chesley, vice president of Precision Products at Intersil. "The
performance we've been able to deliver in a single chip through our
innovative architecture uniquely addresses the requirements of the
latest vehicles while providing drivers with premium analog video
decoding quality and a better experience to improve overall safety."

Features:
-- 4 x NTSC/PAL analog video decoders (with 10-bit ADCs)
-- 1 x analog video encoder (DAC to re-encode video to CVBS or S-Video
format)
-- Flexible output interface:
-- Supports standard ITU-R BT.656 format output on four 8-bit buses at
27MHz
-- Supports time multiplexed byte interleaved output to send two channels
on a single 8-bit bus at 54MHz, or four channels on a single 8-bit bus
at 108MHz
-- Integrated PLL to generate 54MHz or 108MHz output while using a lower
cost 27MHz oscillator on the board
-- AEC-Q100 grade 2 qualified

TW9966 4-channel analog video decoder and encoder

Intersil