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GS1501 датащи(PDF) 1 Page - Gennum Corporation |
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GS1501 датащи(HTML) 1 Page - Gennum Corporation |
1 / 15 page GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 Tel. +1 (905) 632-2996 Fax. +1 (905) 632-5946 E-mail: info@gennum.com www.gennum.com Revision Date: July 2002 Document No. 52234 - 4 DATA SHEET KEY FEATURES KEY FEATURES KEY FEATURES KEY FEATURES • SMPTE 292M compliant • NRZ(I) encoding • SMPTE 292M scrambler with BYPASS option • internal FIFOs for ANC data insertion (1024 Bytes on Y and C channels) • selectable TRS insertion • selectable line number insertion • selectable line based CRC insertion • selectable active picture illegal code re-mapping • 20 bit 3.3V CMOS compatible input data bus • optimized output interface to GS1522 • single +3.3V power supply • 5V tolerant I/O APPLICATIONS APPLICATIONS APPLICATIONS APPLICATIONS • SMPTE 292M Serial Digital Interfaces DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION The GS1501 HDTV Serial Digital Formatter formats the HDTV Luma and Chroma data according to SMPTE 292M prior to serialization by the GS1522 HDTV Serializer. The GS1501 optionally inserts TRS and line number signals based on externally supplied H, V and F signals. The device also allows the insertion of CRCs based on TRS signals embedded in the input data streams, should the user choose not to supply external HVF signals. Following the insertion of TRS, Line Number, and CRC, protected words of 000-003 and 3FC to 3FF occurring during the active video period are optionally re-mapped to 004 and 3FB respectively. In addition, ANC data may be inserted into the video stream through an internal FIFO interface. Prior to exiting the device SMPTE 292M compliant NRZ(I) encoding and scrambling may be performed on the data stream. GS1501 FUNCTIONAL BLOCK DIAGRAM GS1501 FUNCTIONAL BLOCK DIAGRAM GS1501 FUNCTIONAL BLOCK DIAGRAM GS1501 FUNCTIONAL BLOCK DIAGRAM INPUT BUFFER and BLANKER TRS and LINE NUMBER DETECTION PCLK_IN DATA_OUT [19:0] [H:V:F] BP_SC ILLEGAL CODE REMAPPING CODE PROTECT ANC_IN[9:0] FF_STA [2:0] TRS_INS LN_INS CRC_INS NRZI ENCODER SMPTE SCAMBLER FM_I/E ANC_Y/C FFRST REN WEN OEN 2 2 3 3 ANC DATA INSERTION FIFOS TRS INSERTION LINE NUMBER INSERTION CRC INSERTION DATA_IN [19:10] (LUMA) DATA_IN [9:0] (CHROMA) BLANK TRS_Y/C DET_TRS 2 2 FOEN 10 W_CLK FM_I/E 3 SRST RSTLN +'/,1;™ GS1501 GS1501 GS1501 GS1501 HDTV Serial Digital Formatter HDTV Serial Digital Formatter HDTV Serial Digital Formatter HDTV Serial Digital Formatter with ANC FIFOs with ANC FIFOs with ANC FIFOs with ANC FIFOs |
Аналогичный номер детали - GS1501 |
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Аналогичное описание - GS1501 |
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