GV7600 SDI发送ic

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GV7600 Aviia™ Transmitter Data Sheet
www.gennum.com
Key Features
• Serial digital video transmitter for standard and high
definition component video:
Š SD 525i and 625i
Š HD 720p 24, 25, 30, 50 and 60
Š HD 1080i 50, 60
Š HD 1080p 24, 25, 30, 50 and 60
• Supports 8-bit, 10-bit or 12-bit component digital
video:
Š RGB or YCbCr 4:4:4 sampled
Š YCbCr 4:2:2 or 4:2:0 sampled
•Single 75Ωcoaxial cable driver output
• Integrated audio embedder for the carriage of up to 8
channels of 48kHz digital audio
• Asynchronous Serial Interface (ASI) for transmission of
IEC 13818-1 compliant transport streams
• Ancillary (ANC) data insertion
• User selectable processing features, including:
Š Timing Reference Signal (TRS) insertion
Š Programmable ANC data insertion
Š Illegal video code word re-mapping
• 4-wire Gennum Serial Peripheral Interface (GSPI) for
external host command and control
• Dedicated JTAG test interface
• 1.2V core and 3.3V analog voltage power supplies
• 1.8V or 3.3V selectable digital I/O power supply
• Small footprint 100-BGA (11mm x 11mm)
• Low power operation, typically 400mW
• Pb-free and RoHS compliant
Applications
• Industrial & professional cameras
• Digital video recorders (DVR)
•Video servers
• Video mixers and switchers
•Camcorders
Description
The GV7600 is a serial digital video transmitter for standard
and high definition component video. With integrated
cable driving technology, the GV7600 is capable of
transmitting digital video at 270Mb/s, 1.485Gb/s and
2.97Gb/s over 75Ωcoaxial cable. The device provides a
complete transmit solution for the transmission of both
interlaced and progressive component digital video, up to
1920 x 1080, in coaxial cable-based video systems.
Using the GV7600 with the complete Aviia transmitter
reference design, it is possible to implement an all-digital,
bi-directional multimedia interface over coax. This
interface allows both DC power and a bi-directional,
half-duplex, auxiliary data interface, up to 1Mb/s, to be
carried over the same single, robust and cost effective
coaxial cable as the high-speed serial digital video.
The GV7600 includes a broad range of user-selectable
processing features, such as Timing Reference Signal (TRS)
insertion, illegal code word re-mapping, and ancillary data
packet insertion. The content of ancillary data packets can
be programmed via the host interface. Device
configuration and status reporting is accomplished via the
Gennum Serial Peripheral Interface (GSPI). Alternatively,
many processing features and operational modes can be
configured directly through external pin settings.
The device supports both 8-bit, 10-bit and 12-bit video data
input, for RGB or YCbCr 4:4:4, and YCbCr 4:2:2 or 4:2:0. A
configurable 20-bit wide parallel digital video input bus is
provided, with associated pixel clock and timing signal
inputs. The GV7600 supports direct interfacing of ITU-R
BT.656 SD formats, and HD formats conforming to ITU-R
BT.709 and BT.1120-6 for 1125-line formats, and SMPTE
296M for 750-line formats. The device may also be
configured to accepts CEA-861 timing.
The GV7600 audio embedding function allows the carriage
of up to 8 channels of serial digital audio within the
ancillary data space of the video data stream. The input
audio signal formats supported by the device include
AES/EBU for professional applications, S/PDIF, and I2S.


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