Vega 30 Router User Manual
Input Signal Timing Use Cases
Output Video Timing - Line Sync and Offset 8.3
Issue1 Revision 1
Page 158
© 2017 SAM
8.3.2 Timing Case 2)
Input Arriving Co-timed with Reference
Figure 120 Vega 30 Video Input Timing Cases and the Reference Offset Control:
Timing Case 2) Input Co-timed with Reference
Zero
Reference Offset
value
Output with added delay
Video Input Signal
Timing
Offset
Setting
Reference
Offset
value shown
(see Figure
Comments
Reference Offset
Video Output Signal
Timing
(with respect to
reference)
Video Buffer Storage
(Pixels)
(Pixels)
(Pixels)
Case 2) Input Co-timed
•
Set Offset to 0.
0
0
Reference Offset
reported as zero.
Output timed up with
reference.
No storage consumed.
•
Introduce an offset of
B pixels:
+B
B
Output late by
B pixels.
Storage used to delay
output by B pixels.
Table 53 Timing Case 2)