參數(shù)資料
型號(hào)： ADV7183BKSTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 53/100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
產(chǎn)品目錄頁(yè)面： 788 (CN2011-ZH PDF)
ADV7183B
Rev. B | Page 56 of 100
GDECEL[15:0] Gemstar Decoding Even Lines,
Address 0x48[7:0]; Address 0x49[7:0]
The 16 bits of the 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
246H
Table 74 and
247H
Table 75.
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.
GDECOL[15:0] Gemstar Decoding Odd Lines,
Address 0x4A[7:0]; Address 0x4B[7:0]
The 16 bits of the GDECOL[15:0] form a collection of 16
individual line decode enable signals. See
248H
Table 74 and
249H
Table 75.
To retrieve closed caption data services on NTSC (Line 21),
GDECOL[11] must be set.
To retrieve closed caption data services on PAL (Line 22),
GDECOL[14] must be set.
The default value of GDECOL[15:0] is 0x0000. This setting
instructs the decoder not to attempt to decode Gemstar or
CCAP data from any line in the odd field.
GDECAD Gemstar Decode Ancillary Data Format,
Address 0x4C[0]
The decoded data from Gemstar-compatible transmissions or
closed caption is inserted into the horizontal blanking period of
the respective line of video. There is a potential problem if the
retrieved data bytes have the value 0x00 or 0xFF. In an
ITU-R BT.656-compatible data stream, those values are
reserved and used only to form a fixed preamble.
The GDECAD bit allows the data to be inserted into the
horizontal blanking period in two ways:
Insert all data straight into the data stream, even the
reserved values of 0x00 and 0xFF, if they occur. This can
violate the output data format specification ITU-R BT.1364.
Split all data into nibbles and insert the half-bytes over
double the number of cycles in a 4-bit format.
When GDECAD is 0, the data is split into half-bytes and
inserted (default).
When GDECAD is 1, the data is output straight in 8-bit format.
Table 74. NTSC Line Enable Bits and
Corresponding Line Numbering
Line[3:0]
Line Number
(ITU-R BT.470)
Enable Bit
Comment
0
10
GDECOL[0]
Gemstar
1
11
GDECOL[1]
Gemstar
2
12
GDECOL[2]
Gemstar
3
13
GDECOL[3]
Gemstar
4
14
GDECOL[4]
Gemstar
5
15
GDECOL[5]
Gemstar
6
16
GDECOL[6]
Gemstar
7
17
GDECOL[7]
Gemstar
8
18
GDECOL[8]
Gemstar
9
19
GDECOL[9]
Gemstar
10
20
GDECOL[10]
Gemstar
11
21
GDECOL[11]
Gemstar or
closed caption
12
22
GDECOL[12]
Gemstar
13
23
GDECOL[13]
Gemstar
14
24
GDECOL[14]
Gemstar
15
25
GDECOL[15]
Gemstar
0
273 (10)
GDECEL[0]
Gemstar
1
274 (11)
GDECEL[1]
Gemstar
2
275 (12)
GDECEL[2]
Gemstar
3
276 (13)
GDECEL[3]
Gemstar
4
277 (14)
GDECEL[4]
Gemstar
5
278 (15)
GDECEL[5]
Gemstar
6
279 (16)
GDECEL[6]
Gemstar
7
280 (17)
GDECEL[7]
Gemstar
8
281 (18)
GDECEL[8]
Gemstar
9
282 (19)
GDECEL[9]
Gemstar
10
283 (20)
GDECEL[10]
Gemstar
11
284 (21)
GDECEL[11]
Gemstar or
closed caption
12
285 (22)
GDECEL[12]
Gemstar
13
286 (23)
GDECEL[13]
Gemstar
14
287 (24)
GDECEL[14]
Gemstar
15
288 (25)
GDECEL[15]
Gemstar
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADV7183KST 制造商:Analog Devices 功能描述:Video Decoder 2ADC 10-Bit 80-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:VIDEO DECODER I.C. - Bulk
ADV7184 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder with Fast Switch Overlay Support
ADV7184BSTZ 功能描述:IC DECODER VID SDTV MULTI 80LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標(biāo)準(zhǔn)包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799
ADV7185 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output
ADV7185KST 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional NTSC/PAL Video Decoder with 10-Bit CCIR656 Output
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