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GS1559

更新时间: 2024-09-17 04:19:51
品牌 Logo 应用领域
GENNUM 驱动器
页数 文件大小 规格书
74页 1142K
描述
GS1559 HD-LINX-TM II Multi-Rate Deserializer with Loop-Through Cable Driver

GS1559 数据手册

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GS1559 HD-LINX™ II  
Multi-Rate Deserializer with  
Loop-Through Cable Driver  
GS1559 Data Sheet  
Key Features  
Description  
SMPTE 292M and SMPTE 259M-C compliant  
descrambling and NRZI NRZ decoding (with  
bypass)  
The GS1559 is a reclocking deserializer with a serial  
loop-through cable driver. When used in conjunction  
with the GS1574 Automatic Cable Equalizer and the  
GO1525 Voltage Controlled Oscillator, a receive  
solution can be realized for HD-SDI, SD-SDI and  
DVB-ASI applications.  
DVB-ASI sync word detection and 8b/10b decoding  
auto-configuration for HD-SDI, SD-SDI and  
DVB-ASI  
In addition to reclocking and deserializing the input data  
stream, the GS1559 performs NRZI-to-NRZ decoding,  
descrambling as per SMPTE 292M/259M-C, and word  
alignment when operating in SMPTE mode. When  
operating in DVB-ASI mode, the device will word align  
the data to K28.5 sync characters and 8b/10b decode  
the received stream.  
serial loop-through cable driver output selectable as  
reclocked or non-reclocked  
dual serial digital input buffers with 2 x 1 mux  
integrated serial digital signal termination  
integrated reclocker  
Two serial digital input buffers are provided with a 2x1  
multiplexer to allow the device to select from one of two  
serial digital input signals.  
automatic or manual rate selection / indication  
(HD/SD)  
descrambler bypass option  
The integrated reclocker features a very wide Input  
Jitter Tolerance of ±0.3 UI (total 0.6 UI), a rapid  
asynchronous lock time, and full compliance with  
DVB-ASI data streams.  
user selectable additional processing features  
including:  
CRC, TRS, ANC data checksum, line number  
and EDH CRC error detection and correction  
An integrated cable driver is provided for serial input  
loop-through applications and can be selected to output  
either buffered or reclocked data. This cable driver also  
features an output mute on loss of signal, high  
impedance mode, adjustable signal swing, and  
automatic dual slew-rate selection depending on  
HD/SD operational requirements.  
programmable ANC data detection  
illegal code remapping  
internal flywheel for noise immune H, V, F  
extraction  
FIFO load Pulse  
The GS1559 also includes a range of data processing  
functions such as error detection and correction,  
automatic standards detection, and EDH support. The  
device can also detect and extract SMPTE 352M  
payload identifier packets and independently identify  
the received video standard. This information is read  
from internal registers via the host interface port.  
20-bit / 10-bit CMOS parallel output data bus  
148.5MHz / 74.25MHz / 27MHz / 13.5MHz parallel  
digital output  
automatic standards detection and indication  
1.8V core power supply and 3.3V charge pump  
power supply  
Line-based CRC errors, line number errors, TRS errors,  
EDH CRC errors and ancillary data checksum errors  
can all be detected. A single ‘DATA_ERROR’ pin is  
provided which is a logical 'OR'ing of all detectable  
errors. Individual error status is stored in internal  
‘ERROR_STATUS’ registers.  
3.3V digital I/O supply  
JTAG test interface  
Available in a Pb-free package  
small footprint (11mm x 11mm)  
Finally, the device can correct detected errors and  
insert new TRS ID words, line-based CRC words,  
ancillary data checksum words, EDH CRC words, and  
line numbers. Illegal code re-mapping is also available.  
All processing functions may be individually enabled or  
disabled via host interface control.  
Applications  
SMPTE 292M Serial Digital Interfaces  
SMPTE 259M-C Serial Digital Interfaces  
DVB-ASI Serial Digital Interfaces  
30572 - 4 July 2005  
1 of 74  
www.gennum.com  

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