參數(shù)資料
型號(hào)： ADV7183BKSTZ
廠(chǎng)商： Analog Devices Inc
文件頁(yè)數(shù)： 52/100頁(yè)
文件大?。?/td> 0K
描述： IC VIDEO DECODER NTSC 80-LQFP
產(chǎn)品培訓(xùn)模塊： Interfacing AV Converters to Blackfin Processors
標(biāo)準(zhǔn)包裝： 1
類(lèi)型： 視頻解碼器
應(yīng)用： 投影儀，錄音機(jī)，安全
電壓 - 電源，模擬： 3.15 V ~ 3.45 V
電壓 - 電源，數(shù)字： 1.65 V ~ 2 V
安裝類(lèi)型： 表面貼裝
封裝/外殼： 80-LQFP
供應(yīng)商設(shè)備封裝： 80-LQFP（14x14）
包裝： 托盤(pán)
產(chǎn)品目錄頁(yè)面： 788 (CN2011-ZH PDF)
ADV7183B
Rev. B | Page 55 of 100
NTSC CCAP Data
Half-byte output mode is selected by setting CDECAD = 0;
the full-byte mode is enabled by CDECAD = 1. See the
238H
GDECAD Gemstar Decode Ancillary Data Format,
Address 0x4C[0] section. The data packet formats are
shown in
239H
Table 72 and
240H
Table 73.
Only closed caption data 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 and the
241H
GDECOL[15:0] Gemstar Decoding Odd Lines,
Address 0x4A[7:0]; Address 0x4B[7:0] sections.
PAL CCAP Data
Half-byte output mode is selected by setting CDECAD = 0;
full-byte output mode is selected by setting CDECAD = 1.
See the
242H
GDECAD Gemstar Decode Ancillary Data Format,
Address 0x4C[0] section.
243H
Table 72 and
244H
Table 73 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 have to be set.
See the
245H
GDECAD Gemstar Decode Ancillary Data Format,
Address 0x4C[0] and GDECOL[15:0] Gemstar Decoding Odd
Lines, Address 0x4A[7:0]; Address 0x4B[7:0] sections.
Table 72. PAL 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
Fixed preamble
1
Fixed preamble
2
1
Fixed preamble
3
0
1
0
1
0
DID
4
!EP
EP
EF
0
1
0
1
0
0
SDID
5
!EP
EP
0
0
1
0
Data count
6
!EP
EP
0
CCAP Word1[7:4]
0
User data-words
7
!EP
EP
0
CCAP Word1[3:0]
0
User data-words
8
!EP
EP
0
CCAP Word2[7:4]
0
User data-words
9
!EP
EP
0
CCAP Word2[3:0]
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 73. PAL 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
Fixed preamble
1
Fixed preamble
2
1
Fixed preamble
3
0
1
0
1
0
DID
4
!EP
EP
EF
0
1
0
1
0
0
SDID
5
!EP
EP
0
0
1
0
Data count
6
CCAP Word1[7:0]
0
User data-words
7
CCAP Word2[7:0]
0
User data-words
8
1
0
UDW padding 0x200
9
1
0
UDW padding 0x200
10
!CS[8]
CS[8]
CS[7]
CS[6]
CS[5]
CS[4]
CS[3]
CS[2]
CS[1]
CS[0]
Checksum
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