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參數資料
| 型號： | ADV7194 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling |
| 中文描述： | 專業擴展- 10⑩視頻編碼器，54兆赫采樣 |
| 文件頁數： | 49/69頁 |
| 文件大小： | 647K |
| 代理商： | ADV7194 |
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ADV7194
–49–
REV. 0
APPENDIX 4
WIDE SCREEN SIGNALING
The ADV7194 supports Wide Screen Signalling (WSS) conform-
ing to the standard. WSS data is transmitted on Line 23. WSS
data can only be transmitted when the ADV7194 is con
fi
gured in
PAL mode. The WSS data is 14 bits long, the function of each
of these bits is as shown below. The WSS data is preceded by a
run-in sequence and a Start Code, see Figure 97. The bits are
output from the con
fi
guration registers in the following order:
C/W20 = W0, C/W21 = W1, C/W22 = W2, C/W23 = W3,
C/W24 = W4, C/W25 = W5, C/W26 = W6, C/W27 = W7,
C/W10 = W8, C/W11 = W9, C/W12 = W10, C/W13 = W11,
C/W14 = W12, C/W15 = W13. If the bit C/W07 is set to a
Logic 1, it enables the WSS data to be transmitted on Line 23.
The latter portion of Line 23 (42.5
μ
s from the falling edge of
HSYNC
) is available for the insertion of video.
Function of CGMS Bits
Bit 0
–
Bit 2
Aspect Ratio/Format/Position
Bit 3
Is Odd Parity Check of Bit 0
–
Bit 2
Aspect
B0, B1,
B2,
B3
Ratio
0
0
0
1
4:3
1
0
0
0
14:9
0
1
0
0
14:9
1
1
0
1
16:9
0
0
1
0
16:9
1
0
1
1
>16:9
0
1
1
1
14:9
1
1
1
0
16:9
Format
Format
Full Format
Letterbox
Letterbox
Letterbox
Letterbox
Letterbox
Full Format
Nonapplicable
Position
Position
Nonapplicable
Center
Top
Center
Top
Center
Center
Nonapplicable
B4
0
1
B5
0
1
B6
0
1
B7
B9
0
1
0
1
B11
0
1
B12 RESERVED
B13 RESERVED
Camera Mode
Film Mode
Standard Coding
Motion Adaptive Color Plus
No Helper
Modulated Helper
RESERVED
B10
0
No Open Subtitles
0
Subtitles in Active Image Area
1
Subtitles Out of Active Image Area
1
RESERVED
No Surround Sound Information
Surround Sound Mode
W0
W1
W2
W3
W4
W5
W6 W7
W8
W9 W10 W11 W12 W13
500mV
RUN-IN
SEQUENCE
START
CODE
ACTIVE
VIDEO
38.4 s
42.5 s
11.0 s
Figure 97. WSS Waveform Diagram
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7194KST | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 80-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:PROFESSIONAL/HDTV NTSC/PAL ENCODER I.C. - Bulk 制造商:Analog Devices 功能描述:IC VIDEO ENCODER |
| ADV7194KSTZ | 功能描述:IC ENCODER VIDEO EXT-10 80-LQFP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉換器 系列:- 產品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應用:DVB-S.2 系統 電壓 - 電源，模擬:- 電壓 - 電源，數字:- 安裝類型:- 封裝/外殼:模塊 供應商設備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| ADV7194KSTZ | 制造商:Analog Devices 功能描述:TV / Video IC |
| ADV7195 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs and 10-Bit Data Input |
| ADV7195KS | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 11-Bit 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:MULTI-FORMAT VID+PROGSCAN/HDTV ENCODERIC - Bulk |
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