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參數資料
| 型號： | ADV7179BCP |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| 中文描述： | COLOR SIGNAL ENCODER, QCC40 |
| 封裝： | 6 X 6 MM, MO-220VJJD-2, LFCSP-40 |
| 文件頁數： | 43/52頁 |
| 文件大小： | 488K |
| 代理商： | ADV7179BCP |
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ADV7174/ADV7179
APPENDIX 4—WIDE SCREEN SIGNALING (WSS)
The ADV7174/ADV7179 supports WSS, conforming to the
standard. WSS data is transmitted on Line 23. WSS data can
only be transmitted when the ADV7174/ ADV7179 is
configured 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 58).
The bits are output from the configuration registers in the
Rev. A | Page 43 of 52
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 μs from the falling
edge of HSYNC) is available for the insertion of video.
FUNCTION OF WSS BITS
Table 22. Bit 0–Bit 2 Bit 3 is the odd parity check of Bit 0–Bit 2
Aspect
Ratio
0
0
0
1
4:3
B0
B1
B2
B3
Format
Full
Format
Letterbox
Letterbox
Letterbox
Letterbox
Letterbox
Full
Format
Not
Applicable
Position
Not
Applicable
Center
Top
Center
Top
Center
Center
1
0
1
0
1
0
0
1
1
0
0
1
0
0
0
1
1
1
0
0
1
0
1
1
14:9
14:9
16:9
16:9
>16:9
14:9
1
1
1
0
16:9
Not
Applicable
Table 23. Bit 4–Bit 7
Bit
B4
Value
0
1
0
1
0
1
0
1
0, 0
1, 0
0, 1
1, 1
0
1
Description
Camera Mode
Film Mode
Standard Coding
Motion Adaptive Color Plus
No Helper
Modulated Helper
Reserved
No Teletext Subtitles
Teletext Subtitles
No Open Subtitles
Subtitles in Active Image Area
Subtitles out of Active Image Area
Reserved
No Surround Sound Information
Surround Sound Mode
Reserved
Reserved
B5
B6
B7
B8
B9–B10
B11
B12
B13
11.0
μ
s
W0
W1
W2
W3
W4
W5
W6
W7
W8
W9 W10 W11 W12 W13
500mV
RUN-IN
SEQUENCE
START
CODE
ACTIVE
VIDEO
38.4
μ
s
42.5
μ
s
0
Figure 58. WSS Waveform Diagram
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADV7179BCP1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179BCP-REEL | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 10-Bit 40-Pin LFCSP EP T/R |
| ADV7179BCP-REEL1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
| ADV7179BCPZ | 功能描述:IC ENCODER VID NTSC/PAL 40LFCSP 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 |
| ADV7179BCPZ2 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Chip Scale PAL/NTSC Video Encoder with Advanced Power Management |
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