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GS1510-CQR Datasheet

  • GS1510-CQR

  • HDTV Serial Digital Deformatter

  • 11頁

  • ETC

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HD-LINX
鈩?/div>
GS1510
HDTV Serial Digital Deformatter
PRELIMINARY DATA SHEET
FEATURES
鈥?SMPTE 292M compliant
鈥?standards detection/indication for SMPTE 292M levels
A/B,C,D/E,F,G/H,I,J/K,L/M
鈥?NRZI decoding and SMPTE descrambling with
BYPASS option
鈥?line CRC calculation, comparison
鈥?selectable line based CRC re-Insertion
鈥?H, V, F timing reference signal (TRS) extraction
鈥?selectable flywheel for noise immune H, V, F extraction
鈥?selectable automatic switch line handling
鈥?selectable TRS and line number re-insertion
鈥?selectable active picture illegal code re-mapping
鈥?configurable FIFO LOAD pulse
鈥?20 bit 3.3V CMOS input data bus
鈥?optimized input interface to GS1545 or GS1540
鈥?single +3.3V power supply
鈥?5V tolerant I/O
APPLICATIONS
SMPTE 292M Serial Digital Interfaces.
GS1510-CQR
128 pin MQFP
0擄C to 70擄C
DESCRIPTION
When interfaced to the Gennum GS1545 HDTV Equalizing
Receiver or GS1540 Non-Equalizing Receiver, the GS1510
performs the final conversion to word aligned data. The
device performs NRZI decoding and de-scrambling as per
SMPTE 292M and word-aligns to the incoming data stream.
Line based CRCs are calculated on the incoming data
stream and are compared against the CRCs embedded
within the data stream.
HVF timing information is extracted from the data stream. A
selectable internal HVF flywheel provides superior noise
immunity against TRS signal errors. The device also detects
and indicates the input video signal standard.
The GS1510 can detect and re-map illegal code words
contained within the active portion of the video signal. Prior
to exiting the device, TRS, Line Numbers and CRCs based
on internal calculations may be re-inserted into the data
stream.
ORDERING INFORMATION
PART NUMBER
PACKAGE
TEMPERATURE
GS1510
WB_NI
BP_DSC
BP_FR
3
FW_EN/DIS
FAST_LOCK
2
RESET
TRS_Y/C
F_E/S
2
MUTE
CODE
PROTECT
TRS_INS
LN_INS
CRC_INS
3
DATA_IN
[19:0]
INPUT
BUFFER
DESCRAMBLE
FRAME
TRS DETECTION
CRC CALCULATION
FLYWHEEL
CRC COMPARISON
STANDARD DETECTION
ILLEGAL CODE REMAPPING
TRS EXTRACTION
TRS,
LNUM,
AND CRC
INSERTION
DATA_OUT
[19:10]
(LUMA)
DATA_OUT
[9:0]
(CHROMA)
PCLK_IN
3
[H:V:F]
3
FIFO_L
4
2
LINE_CRC_ERR [Y:C]
OEN
LN_ERR
SAV_ERR
EAV_ERR
VD_STD [3:0]
BLOCK DIAGRAM
Revision Date: November 2000
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
Document No. 522 - 47 - 00

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