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ADV7183ABST Datasheet(PDF) 59 Page - Analog Devices

Part # ADV7183ABST
Description  Multiformat SDTV Video Decoder
PDF  104 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADV7183ABST Datasheet(HTML) 59 Page - Analog Devices

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ADV7183A
Rev. A | Page 59 of 104
Table 156. Gemstar 1× Data, Full-Byte Mode
Byte
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
Description
0
0
0
0
0
0
0
0
0
0
0
Fixed preamble
1
1
1
1
1
1
1
1
1
1
1
Fixed preamble
2
1
1
1
1
1
1
1
1
1
1
Fixed preamble
3
0
1
0
1
0
0
0
0
0
0
DID
4
!EP
EP
EF
0
line[3:0]
0
0
SDID
5
!EP
EP
0
0
0
0
0
1
0
0
Data count
6
Gemstar word1[7:0]
0
0
User data-words
7
Gemstar word2[7:0]
0
0
User data-words
8
1
0
0
0
0
0
0
0
0
0
UDW padding 200h
9
1
0
0
0
0
0
0
0
0
0
UDW padding 200h
10
!CS[8]
CS[8]
CS[7]
CS[6]
CS[5]
CS[4]
CS[3]
CS[2]
CS[1]
CS[0]
Checksum
Table 157. NTSC CCAP Data, Half-Byte Mode
Byte
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
Description
0
0
0
0
0
0
0
0
0
0
0
Fixed preamble
1
1
1
1
1
1
1
1
1
1
1
Fixed preamble
2
1
1
1
1
1
1
1
1
1
1
Fixed preamble
3
0
1
0
1
0
0
0
0
0
0
DID
4
!EP
EP
EF
0
1
0
1
1
0
0
SDID
5
!EP
EP
0
0
0
0
0
1
0
0
Data count
6
!EP
EP
0
0
CCAP word1[7:4]
0
0
User data-words
7
!EP
EP
0
0
CCAP word1[3:0]
0
0
User data-words
8
!EP
EP
0
0
CCAP word2[7:4]
0
0
User data-words
9
!EP
EP
0
0
CCAP word2[3:0]
0
0
User data-words
10
!CS[8]
CS[8]
CS[7]
CS[6]
CS[5]
CS[4]
CS[3]
CS[2]
CS[1]
CS[0]
Checksum
Table 158. NTSC CCAP Data, Full-Byte Mode
Byte
D[9]
D[8]
D[7]
D[6]
D[5]
D[4]
D[3]
D[2]
D[1]
D[0]
Description
0
0
0
0
0
0
0
0
0
0
0
Fixed preamble
1
1
1
1
1
1
1
1
1
1
1
Fixed preamble
2
1
1
1
1
1
1
1
1
1
1
Fixed preamble
3
0
1
0
1
0
0
0
0
0
0
DID
4
!EP
EP
EF
0
1
0
1
1
0
0
SDID
5
!EP
EP
0
0
0
0
0
1
0
0
Data count
6
CCAP word1[7:0]
0
0
User data-words
7
CCAP word2[7:0]
0
0
User data-words
8
1
0
0
0
0
0
0
0
0
0
UDW padding 200h
9
1
0
0
0
0
0
0
0
0
0
UDW padding 200h
10
!CS[8]
CS[8]
CS[7]
CS[6]
CS[5]
CS[4]
CS[3]
CS[2]
CS[1]
CS[0]
Checksum
NTSC CCAP Data
Half-byte output mode is selected by setting CDECAD = 0, the
full-byte mode is enabled by CDECAD = 1. See the GDECAD
Gemstar Decode Ancillary Data Format (SDP), Address 0x4C,
[0]. The data packet formats are shown in Table 157 and
Table 158.
Notes
•
Only closed caption data from the SDP core can be
embedded in the output data stream.
•
NTSC closed caption data is sliced on line 21d on even and
odd fields. The corresponding enable bit has to be set high.
See the GDECEL[15:0] Gemstar Decoding Even Lines
(SDP), Address 0x48, [7:0]; Address 0x49, [7:0] and
GDECOL[15:0] Gemstar Decoding Odd Lines (SDP),
Address 0x4A, [7:0]; Address 0x4B, [7:0] sections.



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