參數(shù)資料
型號： ADV7314KST
廠商： ANALOG DEVICES INC
元件分類： 顏色信號轉(zhuǎn)換
英文描述： Multiformat 216 MHz Video Encoder with Six NSV 14-Bit DACs
中文描述： COLOR SIGNAL ENCODER, PQFP64
封裝： LEAD FREE, MS-026BCD, LQFP-64
文件頁數(shù)： 62/84頁
文件大?。?/td> 1069K
代理商： ADV7314KST
REV. 0
–62–
ADV7314
Bit
Description
Bit 0–Bit 2
Bit 3
B0, B1, B2, B3
0 0 0 1
1 0 0 0
0 1 0 0
Aspect Ratio/Format/Position Bits
IS Odd Parity Check of Bit 0–Bit 2
Aspect Ratio Format
4:3
Full Format
14:9
Letterbox
14:9
Letterbox
Position
Not applicable
Center
Top
1 1 0 1
0 0 1 0
1 0 1 1
0 1 1 1
1 1 1 0
B4
0
1
B5
0
1
16:9
16:9
>16:9
14:9
16:9
Letterbox
Letterbox
Letterbox
Full Format
N/A
Center
Top
Center
Center
N/A
Camera Mode
Film Mode
Standard Coding
Motion Adaptive Color Plus
Table XIX. Function of WSS Bits
Bit
Description
B6
0
1
B7
B9 B10
0 0
1 0
0 1
1 1
B11
0
1
B12
B13
No Helper
Modulated Helper
Reserved
No Open Subtitles
Subtitles in Active Image Area
Subtitles out of Active Image Area
Reserved
No Surround Sound Information
Surround Sound Mode
Reserved
Reserved
APPENDIX 2—SD WIDE SCREEN SIGNALING
[Subaddress 59h, 5Ah, 5Bh]
The ADV7314 supports wide screen signaling (WSS) conforming
to the standard. WSS data is transmitted on Line 23. WSS data
can be transmitted only when the ADV7314 is configured in PAL
mode. The WSS data is 14 bits long, and the function of each of
these bits is as shown in Table XIX. The WSS data is preceded
W0 W1 W2 W3 W4 W5 W6 W7 W8 W9 W10
W11W12W13
ACTIVE
VIDEO
RUN-IN
SEQUENCE
START
CODE
500mV
11.0 s
38.4 s
42.5 s
Figure 65. WSS Waveform Diagram
by a run-in sequence and a start code (see Figure 65). If SD
WSS [Address 59h, Bit 7] 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
m
s from the falling edge of
HSYNC
) is available for the
insertion of video.
It is possible to blank the WSS portion of Line 23 with Subaddress
61h, Bit 7.
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