ISL59885_06 Datasheet, PDF (8/14 Pages) Intersil Corporation – Auto-Adjusting Sync Separator for HD and SD Video

ISL59885
COMPOSITE VIDEO INPUT, BEGINNING OF FIELD ONE
START OF FIELD ONE
622 623 624 625 1
2
3
4
5
6
7
SYNCOUT OUTPUT
23 24
V_OUT OUTPUT
T_VS
H_OUT OUTPUT
NOTES:
b. The composite sync output reproduces all the video input sync pulses, with a propagation delay.
c. Vertical sync leading edge is coincident with the first vertical serration pulse leading edge, with a propagation delay.
FIGURE 11. EXAMPLE OF VERTICAL INTERVAL (625)
SYNCIN
1123
1124
1125
1
2
3
SYNCOUT
H_OUT
V_OUT
4
5
6
7
8 ... 21
SYNCIN
560
561
SYNCOUT
562
563
564 565
566
567
568
569 570 ... 583
H_OUT
V_OUT
FIGURE 12. EXAMPLE OF HDTV 1080I/30 LINE COMPOSITE VIDEO: INTERLACED
8
FN7442.5
August 9, 2006