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| 型號： | ADV7180 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | 10-Bit, 4 x Oversampling SDTV Video Decoder |
| 中文描述： | 10位，4個采樣標(biāo)清視頻解碼器 |
| 文件頁數(shù)： | 69/112頁 |
| 文件大小： | 1320K |
| 代理商： | ADV7180 |
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ADV7180
Table 90. PAL CCAP Data, Half-Byte Mode
Byte
D[9]
D[8]
0
0
0
1
1
1
2
1
1
3
0
1
4
EP
EP
5
EP
EP
6
EP
EP
7
EP
EP
8
EP
EP
9
EP
EP
10
CS[8]
CS[8]
Rev. A | Page 69 of 112
D[7]
0
1
1
0
EF
0
0
0
0
0
CS[7]
D[6]
0
1
1
1
0
0
0
0
0
0
CS[6]
D[5]
0
1
1
0
1
0
D[4]
0
1
1
0
0
0
CCAP word1[7:4]
CCAP word1[3:0]
CCAP word2[7:4]
CCAP word2[3:0]
CS[4]
D[3]
0
1
1
0
1
0
D[2]
0
1
1
0
0
1
D[1]
0
1
1
0
0
0
0
0
0
0
CS[1]
D[0]
0
1
1
0
0
0
0
0
0
0
CS[0]
Description
Fixed preamble
Fixed preamble
Fixed preamble
DID
SDID
Data count
User data-words
User data-words
User data-words
User data-words
Checksum
CS[5]
CS[3]
CS[2]
Table 91. PAL CCAP Data, Full-Byte Mode
Byte
D[9]
D[8]
0
0
0
1
1
1
2
1
1
3
0
1
4
EP
EP
5
EP
EP
6
7
8
1
0
9
1
0
10
CS[8]
CS[8]
NTSC CCAP Data
Half-byte output mode is selected by setting CDECAD to 0, and
the full-byte mode is enabled by setting CDECAD to 1. See the
GDECAD, Gemstar Decode Ancillary Data Format, Address
0x4C [0] section. The data packet formats are shown in Table 88
and Table 89. Only closed caption data can be embedded in the
output data stream.
NTSC closed caption data is sliced on Line 21d of even and odd
fields. The corresponding enable bit has to be set high. See the
GDECAD, Gemstar Decode Ancillary Data Format, Address
0x4C [0] section and the GDECOL[15:0], Gemstar Decoding
Odd Lines, Address 0x4A [7:0], Address 0x4B [7:0] section.
PAL CCAP Data
Half-byte output mode is selected by setting CDECAD to 0, and
full-byte output mode is selected by setting CDECAD to 1. See
the GDECAD, Gemstar Decode Ancillary Data Format,
Address 0x4C [0] section. Table 90 and Table 91 list the bytes of
the data packet.
Only closed caption data can be embedded in the output data
stream. PAL closed caption data is sliced from Line 22 and
Line 335. The corresponding enable bits must be set.
D[7]
0
1
1
0
EF
0
D[6]
0
1
1
1
0
0
CCAP word1[7:0]
CCAP word2[7:0]
0
0
CS[6]
D[5]
0
1
1
0
1
0
D[4]
0
1
1
0
0
0
D[3]
0
1
1
0
1
0
D[2]
0
1
1
0
0
1
D[1]
0
1
1
0
0
0
0
0
0
0
CS[1]
D[0]
0
1
1
0
0
0
0
0
0
0
CS[0]
Description
Fixed preamble
Fixed preamble
Fixed preamble
DID
SDID
Data count
User data-words
User data-words
UDW padding 0x200
UDW padding 0x200
Checksum
0
0
CS[7]
0
0
CS[5]
0
0
CS[4]
0
0
CS[3]
0
0
CS[2]
See the GDECEL[15:0], Gemstar Decoding Even Lines,
Address 0x48 [7:0], Address 0x49 [7:0] section and the
GDECOL[15:0], Gemstar Decoding Odd Lines, Address 0x4A
[7:0], Address 0x4B [7:0] section.
GDECEL[15:0], Gemstar Decoding Even Lines,
Address 0x48 [7:0], Address 0x49 [7:0]
The 16 bits of GDECEL[15:0] are interpreted as a collection of
16 individual line decode enable signals. Each bit refers to a line
of video in an even field. Setting the bit enables the decoder
block trying to find Gemstar or closed caption-compatible data
on that particular line. Setting the bit to 0 prevents the decoder
from trying to retrieve data. See Table 92 and Table 93.
To retrieve closed caption data services on NTSC (Line 284),
GDECEL[11] must be set.
To retrieve closed caption data services on PAL (Line 335),
GDECEL[14] must be set.
The default value of GDECEL[15:0] is 0x0000. This setting
instructs the decoder not to attempt to decode Gemstar or
CCAP data from any line in the even field. The user should only
enable Gemstar slicing on lines where VBI data is expected.
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相關(guān)代理商/技術(shù)參數(shù) |
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| ADV7180_12 | 制造商:AD 制造商全稱:Analog Devices 功能描述:10-Bit, 4?? Oversampling SDTV Video Decoder |
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| ADV7180BCPZ | 功能描述:IC VIDEO DECODER SDTV 40-LFCSP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:電平移位器 應(yīng)用:LCD 電視機(jī)/監(jiān)控器 安裝類型:表面貼裝 封裝/外殼:28-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:28-WQFN（4x4）裸露焊盤 包裝:帶卷 (TR) 其它名稱:296-32523-2TPS65198RUYT-ND |
| ADV7180BCPZ | 制造商:Analog Devices 功能描述:IC VIDEO DECODER 10BIT 57.27MSPS LFCSP40 |
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