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PDF GS1511 Data sheet ( Hoja de datos )
| Número de pieza | GS1511 | |
| Descripción | HD-LINX -TM GS1511 HDTV Serial Digital Formatter | |
| Fabricantes | Gennum Corporation | |
| Logotipo |  |
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KEY FEATURES
• SMPTE 292M compliant
• NRZ(I) encoding
• SMPTE 292M scrambler with BYPASS option
• 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
• Pb-free and Green
• single +3.3V power supply
• 5V tolerant I/O
APPLICATIONS
• SMPTE 292M Serial Digital Interfaces
HD-LINX ™ GS1511
HDTV Serial Digital Formatter
DATA SHEET
DESCRIPTION
The GS1511 HDTV Serial Digital Formatter formats the
HDTV Luma and Chroma data according to SMPTE 292M
prior to serialization by the GS1522 HDTV Serializer. The
GS1511 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. Prior to exiting the device SMPTE
292M compliant NRZ(I) encoding and scrambling may be
performed on the data stream.
TRS_Y/C
DET_TRS
2
CODE
PROTECT
TRS_INS
LN_INS
CRC_INS
3
DATA_IN
[19:10]
(LUMA)
DATA_IN
[9:0]
(CHROMA)
PCLK_IN
INPUT
BUFFER
and
BLANKER
TRS
and
LINE NUMBER
DETECTION
ILLEGAL CODE
REMAPPING
BLANK
3
[H:V:F] RSTLN
TRS
INSERTION
LINE NUMBER
INSERTION
CRC INSERTION
GS1511 FUNCTIONAL BLOCK DIAGRAM
BP_SC
NRZI
ENCODER
SMPTE
SCAMBLER
DATA_OUT
[19:0]
SRST OEN
Revision Date: June 2004
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: [email protected]
www.gennum.com
Document No. 52248 - 5
1 page  
1.2 PIN DESCRIPTIONS (Continued)
PIN NUMBER
NAME
13 TRS_INS
15 LN_INS
16 CRC_INS
18, 99, 102, 76,
77, 80, 83-89,
92, 96-98, 100,
101
21
VDD
H
22 V
TIMING
Non-
synchronous
Non-
synchronous
Non-
synchronous
N/A
TYPE
Input
Input
Input
DESCRIPTION
Control Signal Input. Used to enable or disable insertion of TRS
into the video streams. When TRS_INS is high, the device
inserts SMPTE 292M compliant TRS signals into the input LUMA
and CHROMA data streams based on the supplied HVF
signals. When TRS_INS is low, the device does not insert TRS
signals.
Control Signal Input. Used to enable or disable insertion of line
numbers into the video stream. When LN_INS is high, the
device inserts SMPTE 292M compliant line number information
into the LUMA and CHROMA channels. When LN_INS is low,
the device does not insert the line number information into the
LUMA and CHROMA channels. Line number insertion is only
available when user supplied external FVH data is used
(DET_TRS set LOW).
Control Signal Input. Used to enable or disable insertion of
CRCs into the video stream. When CRC_INS is high, the device
calculates and inserts line based CRCs. When CRC_INS is low,
this feature is disabled.
This pin must be connected to VDD for normal operation.
Synchronous
wrt PCLK_IN
Synchronous
wrt PCLK_IN
Input
Input
Control Signal Input. This signal indicates the Horizontal
blanking period of the input video data stream. The device
inserts HDTV TRS based on the supplied HVF signals. Refer to
Figure 4 for required timing of H relative to LUMA
(DATA_IN[19:10]) and CHROMA (DATA_IN[9:0]).
Control Signal Input. This signal indicates the Vertical blanking
period of the input video data streams. Refer to Figure 4 for
required timing of V relative to LUMA (DATA_IN[19:10]) and
CHROMA (DATA_IN[9:0]).
GENNUM CORPORATION
5 of 9
52248 - 5
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet GS1511.PDF ] | |
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