ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 95

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

(5-2-1) 1080i Horizontal Sync waveform (50Hz)
1080i 60Hz
Rev-E-00
BPSRT
Symbol
BPSTP
t2 – t1
HLFP
Sm
Sp
V /2
S m
V
a
b
c
e
f
5 0 %
Negative line sync width
End of active video
positive line sync width
Start of active video
Rise/fall time
Symmetry of rising edge
Amplitude of negative pulse
Amplitude of positive pulse
Amplitude of video signal
Total Lines
Active Lines
Broad pulse start pos
Broad pulse stop pos
H/2 pos
3 0 0 m V
4 T
4 8 5 T
parameter
f
1 0 %
b
9 0 %
t1
5 0 %
a (4 4 T )
B L A N K IN G C O D E W O R D S
A N C IL L A R Y D ATA o r
t2
f
Nominal value
0
0.593 [usec]
7.120 [usec]
0.593 [usec]
2.589 [usec]
0.054 [usec]
7 1 2 T
H
300 [mV]
300 [mV]
700 [mV]
f
c (4 4 T )
-
3 0 0 m V
5 0 %
Fig. 136
f
95
clock Interval
e (1 9 2 T )
2 6 4 0 T
Reference
2640
1920
1100
1012
529
192
132
S p
44
44
4
-
-
-
-
B P S R T
4 T
B P S T P
B L A N K IN G
B R O A D P U L S E
H L F P
Tolerance
-0 / + 6
-12, +0
+/- 1.5
+/- 3
+/- 3
CLK
V ID E O D ATA
1 9 2 0 T
1 9 2 0 T
+/- 0.040 [usec]
+0.080 [usec]
+/- 0.040 [usec]
+0.080 [usec]
+/- 0.020 [usec]
+/- 0.002 [usec]
+/- 6mV
+/- 6mV
-3 ~ +3
-3 ~ +3
-3 ~ +3
V /2
Tolerance
2008/03
[AK8825]