7.Electrical Interface
© 2023 China Daheng Group, Inc. Beijing Image Vision Technology Branch 88
1
6
2
5
3
4
INPUT2
3.3V
PTC
OUTPUT2
Figure 7-13 Line2 (bidirectional) circuit (ME2S)
7.3.2.3.1.
Line2/3 is Configured as Input
When Line2/3 is configured as input, the internal equivalent circuit of camera is shown below, taking
Line2 as an example
1
2
8
7
6
4
5
3
3.3V
Line2
INPUT2
Input+
Input-
External
circuit
Figure 7-14 Internal equivalent circuit of camera when Line2 is configured as input (MER2/ME2P)
1.8V
Line2
FPGA INPUT2
External circuit
Input+
Input-
8
5
1
4
3
7
2
6
Camera internal circuit
Figure 7-15 Internal equivalent circuit of camera when Line2 is configured as input (ME2L)