LMH1981 Datasheet, PDF (16/24 Pages) National Semiconductor (TI) – Multi-Format Video Sync Separator

LMH1981
SNLS214H – APRIL 2006 – REVISED MARCH 2013
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11H
V_IN
LINE # 9
10 11 12 13 14 15 16 17 18 19 20 21
22
CSOUT
HSOUT
(CLOCK)
VSOUT
VFOUT
(DATA)
3^rd HSync after VSync leading edge
11- BIT BINARY DATA STREAM
0
1
0
0
0
0
0
1
0
1
START
01000001010b = 522 HORIZONTAL LINES PER FIELD
0
END
Figure 15. Video Format Output for Progressive Format, 480P
11H
V_IN
LINE #
3
4
CSOUT
5
6
7
8
9
10
11
12
13
14
15
HSOUT
(CLOCK)
VSOUT
VFOUT
(DATA)
3^rd HSync after VSync leading edge
0
1
START
11-BIT BINARY DATA STREAM
0
0
0
1
1
0
0
0
01000110000b = 560 HORIZONTAL LINES PER FIELD
0
END
Figure 16. Video Format Output for Interlaced Format, 1080I Field 1
16
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