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GS1501 датащи(PDF) 1 Page - Gennum Corporation

номер детали GS1501
подробное описание детали  HDTV Serial Digital Formatter with ANC FIFOs
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производитель  GENNUM [Gennum Corporation]
домашняя страница  http://www.gennum.com
Logo GENNUM - Gennum Corporation

GS1501 датащи(HTML) 1 Page - Gennum Corporation

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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


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