7.Electrical Interface
© China Daheng Group, Inc. Beijing Image Vision Technology Branch 78
Parameter
Test Conditions
Value (us)
Storage time (ts)
External power is 5V,
pull-
up resistor is 1kΩ
0.17
~
0.18
Delay time (td)
0.08
~
0.09
Rising time (tr)
0.11
~
0.16
Falling time (tf)
1.82
~
1.94
Rising time delay = tr+td
0.19
~
0.26
Falling time delay = tf+ts
1.97
~
2.09
Table 7-8 Delay time when GPIO is configured as output in typical conditions
When Line2/3 is configured as output, the internal equivalent circuit of camera is shown in Figure 7-11,
taking Line2 as an example.
1
2
8
7
6
4
5
3
EXVCC(5-24V)
Line2
OUTPUT2
33
Ω
PTC
External
Circuit
Figure 7-11 Internal equivalent circuit of camera when Line2 is configured as output
