ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 87

• Manufacturer Part Number: ak8825
• Description: Hd/sd Multi Format Video Encoder With 3ch Dac
• Manufacturer: AKM Semiconductor, Inc.

(2) 625i Sync-Signal
(2-1) 625i Horizontal SYNC waveform
Design Spec. (T=1/13.5MHz)
Rev-E-00
Total line period(derived)
Sync rise time
Horizontal Sync
H-Blanking start to H-reference
H reference to H-blanking end
H o r iz o n ta l
r e f e r e n c e p o in t
9 0 %
5 0 %
1 0 %
H b la n k in g s ta r t
t o H - r e f e r e n c e
9 0 %
5 0 %
1 0 %
S y n c r is e t im e
H o r iz o n ta l B la n k in g r is e t im e
measurement
10% - 90%
Measurement Point
S y n c
point
50%
50%
50%
H r e f e r e n c e to B la n k in g E n d
5 0 %
5 0 %
Fig. 124
87
value
64.0
0.2
4.7
Reference Clock
132T
12T
Recommended
tolerance
+/- 0.1
+/- 0.2
units
usec
usec
usec
7 0 0 m V
3 0 0 m V
2008/03
[AK8825]