7.Electrical Interface
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch 54
Parameter
Test Conditions
Value (μs)
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 = tf+td
0.19
~
0.26
Falling time delay = tr+ts
1.97
~
2.09
Table 7-8 Delay time when GPIO is configured as output in typical conditions
When Line2 is configured as output, the internal equivalent circuit of camera is shown in Figure 7-11,
taking Line2 as an example.
EXVCC (5-24V)
Line 2
OUTPUT 2
PTC
9
1
2
3
4
5
6
7
8
12
11
10
External circuit
Figure 7-11 Internal equivalent circuit of camera when Line2 is configured as output