Multimedia ICs
•VIN, HD, and VD timing charts
NTSC signal
Odd-number field
(IN)
Vertical synchronizing pulse interval
NTSC signal
Even field (IN)
VD
(OUT)
HD
Odd field (OUT)
HD
Even field (OUT)
Fig. 8
(1) The rise and fall positions for VD are basically the same for both odd and even fields.
(2) HD shifts by 1 / 2H during the odd and even field interval.
BA7062F
1 / 2H
4