參數(shù)資料
型號(hào)： ADV7189BKSTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 57/104頁(yè)
文件大?。?/td> 0K
描述： IC DECODER VIDEO W/ADC 80LQFP
標(biāo)準(zhǔn)包裝： 1
類(lèi)型： 視頻解碼器
應(yīng)用： 機(jī)頂盒，視頻播放器，錄音機(jī)
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)
ADV7189B
Rev. B | Page 56 of 104
NTSC CCAP Data
Half-byte output mode is selected by setting CDECAD = 0; the
full-byte mode is enabled by CDECAD = 1. See the
232H
GDECAD
Gemstar Decode Ancillary Data Format,
Address 0x4C[0] section. The data packet formats are shown in
233H
Table 70 and
234H
Table 71.
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
section and the
235H
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 = 0;
full-byte output mode is selected by setting CDECAD = 1.
See the
236H
GDECAD Gemstar Decode Ancillary Data Format,
Address 0x4C[0] section.
237H
Table 72 and
238H
Table 73 list the bytes
of the data packet.
PAL closed-caption data is sliced from Lines 22 and 335. The
corresponding enable bits have to be set.
See the
239H
GDECEL[15:0] Gemstar Decoding Even Lines,
Address 0x48[7:0]; Address 0x49[7:0] section and the
240H
GDECOL[15:0] Gemstar Decoding Odd Lines,
Address 0x4A[7:0]; Address 0x4B[7:0]section.
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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