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GS1672 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - HD/SD-SDI Serializer - GENNUM

भाग संख्या GS1672
समारोह HD/SD-SDI Serializer
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GS1672 pdf
Description
The GS1672 is a complete SDI Transmitter, generating a
SMPTE 292, SMPTE 259M-C or DVB-ASI compliant serial
digital output signal.
The integrated Narrow BW PLL allows the device to accept
parallel clocks with high input jitter, and still provide a
SMPTE compliant serial digital output.
The device can operate in four basic user selectable modes:
SMPTE mode, DVB-ASI mode, Data-Through mode, or
Standby mode.
In DVB-ASI mode, the device will perform 8b/10b encoding
prior to transmission.
In Data-Through mode, all SMPTE and DVB-ASI processing
is disabled. The device can be used as a simple parallel to
serial converter.
The device can also operate in a lower power Standby
mode. In this mode, no signal is generated at the output.
The GS1672 integrates a fully SMPTE-compliant Cable
Driver for SMPTE 259M-C and SMPTE 292 interfaces. It
features automatic dual slew-rate selection, depending on
HD or SD operational requirements.
In accordance with SMPTE 272M and SMPTE 299M, up to
eight channels (two audio groups) of serial digital audio
may be embedded into the video data stream.The input
audio signal formats supported by the device include
AES/EBU, I2C and serial audio. 16, 20 and 24-bit audio
formats are supported at 48kHz synchronous for SD modes
and 48kHz synchronous or asynchronous in HD modes.
Functional Block Diagram
AUDIO_INT
GRP1_EN/DIS
GRP2_EN/DIS
Ain_1/2
Ain_3/4
Ain_5/6
Ain_7/8
ACLK1
ACLK2
WCLK1
WCLK2
ANC_BLANK
F/DE
V/VSYNC
H/HSYNC
TIM_861
20BIT/10BIT
DIN[19:0]
PCLK
Input
Mux/
Demux
JTAG
Controller
GSPI
Host
Interface
HANC/
VANC
Blanking
SMPTE 352M
Generation and
Insertion
HD/SD
Audio
Embedding
ANC Data
Insertion
TRS , Line
Number
and CRC
Insertion
EDH
Packet
Insertion
NRZ/NRZI
SMPTE
Scrambler
Mux
Parallel to Serial
Converter
SMPTE
Cable
Driver
AVDD
AGND
PLL_VDD
PLL_GND
VCO_VDD
VCO_GND
CD_VDD
CD_GND
RSET
SDO
SDO
SDO_EN/DIS
DVB-ASI
8b/10b
Encoder
PLL with Low Noise
VCO
Narrow BW PLL
LOCKED
Figure A: GS1672 Functional Block Diagram
GS1672 HD/SD-SDI Serializer with Complete SMPTE
Audio & Video Support
Data Sheet
53623 - 6
July 2011
2 of 116

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