Datasheet

Data Sheet ADV7342/ADV7343
Rev. | Page 71 of 108
06399-144
PROGRAMMABLE PULSE EDGES
t
PD
t
PD
CVBS/Y
HSYNC
TTX
DATA
t
SYNTTXOUT
10.2µs
TTX
DEL
TTX
ST
t
SYNTTXOUT
= 10.2µs.
t
PD
= PIPELINE DELAY THROUGH ADV7342/ADC7343.
TTX
DEL
= TTX
REQ
TO TTX
DATA
(PROGRAMMABLE RANGE = 4 BITS [0 TO 15 PIXEL CLOCK CYCLES]).
TTX
REQ
Figure 82. Teletext Functionality Diagram
D