參數(shù)資料
型號(hào)： 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(yè)擴(kuò)展- 10⑩視頻編碼器，54兆赫采樣
文件頁(yè)數(shù)： 49/69頁(yè)
文件大?。?/td> 647K
代理商： ADV7194
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(guān)代理商/技術(shù)參數(shù)
參數(shù)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(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
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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