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參數(shù)資料
| 型號： | ADV7194KSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 44/69頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC ENCODER VIDEO EXT-10 80-LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 視頻編碼器 |
| 應(yīng)用： | DVD，視頻，多媒體 |
| 電壓 - 電源，模擬： | 3.3 V ~ 5 V |
| 電壓 - 電源，數(shù)字： | 3.3 V ~ 5 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)品目錄頁面： | 788 (CN2011-ZH PDF) |
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ADV7194
–49–
REV. A
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 congured 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 conguration 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
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
Format
Position
B0, B1,
B2,
B3
Ratio
Format
Position
0
1
4:3
Full Format
Nonapplicable
1
0
14:9
Letterbox
Center
0
1
0
14:9
Letterbox
Top
1
0
1
16:9
Letterbox
Center
0
1
0
16:9
Letterbox
Top
1
0
1
>16:9
Letterbox
Center
0
1
14:9
Full Format
Center
1
0
16:9
Nonapplicable
B4
0
Camera Mode
1
Film Mode
B5
0
Standard Coding
1
Motion Adaptive Color Plus
B6
0
No Helper
1
Modulated Helper
B7
RESERVED
B9
B10
0
No Open Subtitles
1
0
Subtitles in Active Image Area
0
1
Subtitles Out of Active Image Area
1
RESERVED
B11
0
No Surround Sound Information
1
Surround Sound Mode
B12 RESERVED
B13 RESERVED
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 |
|---|---|
| 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 |
| ADV7195KST | 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 |
| ADV7195KSZ | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 11-Bit 52-Pin MQFP |
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