EVAL-ADV7311EB Analog Devices Inc, EVAL-ADV7311EB Datasheet - Page 61

• Manufacturer Part Number: EVAL-ADV7311EB
• Manufacturer: Analog Devices Inc

Specifications of EVAL-ADV7311EB

• Lead Free Status / Rohs Status: Not Compliant

APPENDIX 2—SD WIDE SCREEN SIGNALING
[Subaddress 59h, 5Ah, 5Bh]
The ADV7310/ADV7311 support wide screen signaling (WSS)
conforming to the standard. WSS data is transmitted on Line 23.
WSS data can be transmitted only when the device is configured
in PAL mode. The WSS data is 14 bits long, and the function
of each of these bits is shown in Table XIX. The WSS data is
Bit
Bit 0–Bit 2
Bit 3
B0, B1, B2, B3 Aspect Ratio
0
1
0
1
0
1
0
1
1
B4
0
1
REV. A
500mV
0
0
1
1
0
0
1
1
1
0
0
0
0
1
1
1
1
1
11.0 s
1
0
0
1
0
1
1
0
0
Description
Aspect Ratio/Format/Position
Odd Parity Check of Bit 0 to Bit 2
4:3
14:9
14:9
16:9
16:9
>16:9
14:9
16:9
16:9
Camera Mode
Film Mode
SEQUENCE
RUN-IN
Format
Full Format
Letterbox
Letterbox
Letterbox
Letterbox
Letterbox
Full Format
N/A
START
CODE
42.5 s
38.4 s
W0
Figure 66. WSS Waveform Diagram
Table XIX. Function of WSS Bits
W1
Position
N/A
Center
Top
Center
Top
Center
Center
N/A
W2
W3
W4
–61–
W5
preceded by a run-in sequence and a start code; see Figure 66.
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 µs 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.
Bit
B5
0
1
B6
0
1
B7
B9 B10
0
1
0
1
B11
0
1
B12
B13
W6
0
0
1
1
W7
W8
Description
Standard Coding
Motion Adaptive Color Plus
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
W9
W10 W11
ADV7310/ADV7311
W12
W13
ACTIVE
VIDEO