參數(shù)資料
型號： ADV7180WBCPZ-REEL
廠商： Analog Devices Inc
文件頁數(shù)： 89/116頁
文件大?。?/td> 0K
描述： IC VIDEO DECODER SDTV 40LFCSP
標準包裝： 2,500
類型： 視頻解碼器
應用： 數(shù)碼相機，手機，便攜式視頻
安裝類型： 表面貼裝
封裝/外殼： 40-VFQFN 裸露焊盤，CSP
供應商設備封裝： 40-LFCSP-VQ（6x6）
包裝： 帶卷 (TR)
ADV7180
Data Sheet
Rev. I | Page 74 of 116
Table 96. 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
GDECOL[15:0], Gemstar Decoding Odd Lines,
Address 0x4A[7:0], Address 0x4B[7:0]
The 16 bits of GDECOL[15:0] form a collection of 16 individual
line decode enable signals. See Table 96 and Table 97.
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. Enable Gemstar slicing only
on lines where VBI data is expected.
GDECAD, Gemstar Decode Ancillary Data Format,
Address 0x4C[0]
The decoded data from Gemstar-compatible transmissions or
closed caption-compatible transmissions is inserted into the
horizontal blanking period of the respective line of video. A
potential problem can arise if the retrieved data bytes have a
value of 0x00 or 0xFF. In an ITU-R BT.656-compatible data
stream, these 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 may
violate 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 (default), the data is split into half-bytes
and inserted.
When GDECAD is 1, the data is output straight into the data
stream in 8-bit format.
Table 97. PAL Line Enable Bits and Line Numbering
Line[3:0]
Line Number
(ITU-R BT.470)
Enable Bit
Comment
12
8
GDECOL[0]
Not valid
13
9
GDECOL[1]
Not valid
14
10
GDECOL[2]
Not valid
15
11
GDECOL[3]
Not valid
0
12
GDECOL[4]
Not valid
1
13
GDECOL[5]
Not valid
2
14
GDECOL[6]
Not valid
3
15
GDECOL[7]
Not valid
4
16
GDECOL[8]
Not valid
5
17
GDECOL[9]
Not valid
6
18
GDECOL[10]
Not valid
7
19
GDECOL[11]
Not valid
8
20
GDECOL[12]
Not valid
9
21
GDECOL[13]
Not valid
10
22
GDECOL[14]
Closed caption
11
23
GDECOL[15]
Not valid
12
321 (8)
GDECEL[0]
Not valid
13
322 (9)
GDECEL[1]
Not valid
14
323 (10)
GDECEL[2]
Not valid
15
324 (11)
GDECEL[3]
Not valid
0
325 (12)
GDECEL[4]
Not valid
1
326 (13)
GDECEL[5]
Not valid
2
327 (14)
GDECEL[6]
Not valid
3
328 (15)
GDECEL[7]
Not valid
4
329 (16)
GDECEL[8]
Not valid
5
330 (17)
GDECEL[9]
Not valid
6
331 (18)
GDECEL[10]
Not valid
7
332 (19)
GDECEL[11]
Not valid
8
333 (20)
GDECEL[12]
Not valid
9
334 (21)
GDECEL[13]
Not valid
10
335 (22)
GDECEL[14]
Closed caption
11
336 (23)
GDECEL[15]
Not valid
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ADV7180WBST48Z 制造商:Analog Devices 功能描述:
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ADV7180WBSTZ 功能描述:視頻 IC 10-bit 4x Oversampling SDTV Decoder RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel
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ADV7181 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder
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