cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 275

• Manufacturer Part Number: cx25870
• Description: Video Encoder With Adaptive Flicker Filtering And Hdtv Output
• Manufacturer: Conexant Systems, Inc.

CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Figure E-3. 1080i and 720p Trilevel Sync provided by CX25870/871
100381B
NOTE(S):
1.
2.
Trilevel Sync applies to Y P
720p Trilevel Sync timing differences are listed in RED.
70*(1/74.25 MHz) =
44*(1/74.25 MHz) =
(for 296M)
942.8 ns
(for 274M)
592.5 ns
70T
44T
B
, P
R
44*(1/74.25 MHz) =
40*(1/74.25 MHz) =
output signals as well as HD RGB output signals.
592.5 ns
(for 296M)
538.7 ns
44T
40T
Analog
of the
Start
Line
Conexant
40*(1/74.25 MHz) =
44*(1/74.25 MHz) =
(for 296M)
(for 274M)
538.7 ns
592.5 ns
40T
44T
E.5 Automatic Trilevel Sync Generation
Appendix E HDTV Output Mode
650 mV
50 mV
350 mV
100381_032
E-11