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參數資料
| 型號： | ADV7191 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| 中文描述： | 視頻編碼器與六10位DAC和DAC的輸出6視頻編碼器 |
| 文件頁數： | 48/69頁 |
| 文件大小： | 628K |
| 代理商： | ADV7191 |
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ADV7190/ADV7191
–48–
REV. 0
APPENDIX 4
WIDE SCREEN SIGNALING
The ADV7190/ADV7191 supports Wide Screen Signaling (WSS)
conforming to the standard. WSS data is transmitted on Line 23.
WSS data can only be transmitted when the ADV7190/ADV7191
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 91.
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 trans-
mitted 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
Full Format
Letterbox
Letterbox
Letterbox
Letterbox
Letterbox
Full Format
Nonapplicable
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 91. WSS Waveform Diagram
相關PDF資料 |
PDF描述 |
|---|---|
| ADV7191KST | Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| ADV7190 | Video Encoder with Six 10-Bit DACs and Video Encoder with Six DAC Outputs |
| ADV7192KST | Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7192 | Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7194KST | Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling |
相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7191KST | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Rochester Electronics LLC 功能描述:54M 4X STD DEF ENCODER NON-MACRO I.C. - Tape and Reel |
| ADV7191KSTZ | 制造商:Analog Devices 功能描述:Video Encoder 6DAC 10-Bit 64-Pin LQFP 制造商:Analog Devices 功能描述:IC VIDEO ENCODER |
| ADV7192 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7192KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Video Encoder with Six 10-Bit DACs, 54 MHz Oversampling and Progressive Scan Inputs |
| ADV7194 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Professional Extended-10⑩ Video Encoder with 54 MHz Oversampling |
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