ADV7340BSTZ Analog Devices Inc, ADV7340BSTZ Datasheet - Page 80

• Manufacturer Part Number: ADV7340BSTZ
• Manufacturer: Analog Devices Inc

Specifications of ADV7340BSTZ

• Number Of Dac's: 6
• Adc/dac Resolution: 12b
• Screening Level: Industrial
• Package Type: LQFP
• Pin Count: 64
• Lead Free Status / RoHS Status: Compliant

ADV7340/ADV7341
SD WIDE SCREEN SIGNALING
Subaddress 0x99, Subaddress 0x9A, Subaddress 0x9B
The ADV7340/ADV7341 support wide screen signaling (WSS)
conforming to the ETSI 300 294 standard. WSS data is trans-
mitted on Line 23. WSS data can be transmitted only when the
device is configured in PAL mode. The WSS data is 14 bits long.
The function of each of these bits is shown in Table 61. The
WSS data is preceded by a run-in sequence and a start code (see
Table 61. Function of WSS
Bit Description
Aspect Ratio, Format, Position
Mode
Color Encoding
Helper Signals
Reserved
Teletext Subtitles
Open Subtitles
Surround Sound
Copyright
Copy Protection
500mV
11.0µs
SEQUENCE
RUN-IN
13
0
1
12
0
1
START
CODE
11
0
1
38.4µs
42.5µs
W0
10
0
0
1
1
W1
Figure 100. WSS Waveform Diagram
W2
9
0
1
0
1
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Bit Number
W3
8
0
1
W4
7
0
W5
6
0
1
W6
Figure 100). The latter portion of Line 23 (after 42.5 μs from the
falling edge of HSYNC ) is available for the insertion of video.
WSS data transmission on Line 23 can be enabled using
Subaddress 0x99, Bit 7. It is possible to blank the WSS portion
of Line 23 with Subaddress 0xA1, Bit 7.
5
0
1
W7
4
0
1
W8
3
1
0
0
1
0
1
1
0
W9 W10 W11 W12 W13
2
0
0
0
0
1
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
Setting
4:3, full format, N/A
14:9, letterbox, center
14:9, letterbox, top
16:9, letterbox, center
16:9, letterbox, top
>16:9, letterbox, center
14:9, full format, center
16:0, N/A, N/A
Camera mode
Film mode
Normal PAL
Motion Adaptive ColorPlus
Not present
Present
N/A
No
Yes
No
Subtitles in active image area
Subtitles out of active image area
Reserved
No
Yes
No copyright asserted or unknown
Copyright asserted
Copying not restricted
Copying restricted
ACTIVE
VIDEO