Camera interfaces
131
Alvium G1 User Guide V1.1.1
I/O connector pin assignment
The general purpose I/O port uses a 10-pin TFM connector on the camera side.
Figure 52: TFM I/O connector pin assignment
Pin
Signal
Direction
Level
Description
1
PWR-GND
In
0 VDC
Supply Ground
2
PWR-IN
In
10.8 to 26.4 VDC
Power supply voltage
3
OPTO-IN-GND
In
0 VDC
Isolated input ground
4
OPTO-OUT-PWR
In
max. 30 VDC
Power for isolated output
5
GPI3
In
U
in
(high) = 3.0 to 24.0 V up to 36 VDC
with 3.3 k
ext. resistor in series
U
in
(low) = 0 to 1.0 V
Isolated Input
6
GPO2
Out
Open emitter, max. 20 mA
Isolated Output
7
GPIO0
In/Out
U
in
(low) = -0.3 to 0.8 VDC
U
in
(high) = 2.0 to 5.5 VDC
U
out
(low) = 0 to 0.4 VDC
U
out
(high) = 2.4 to 3.3 VDC at max. 20 mA
Non-isolated I/O (LVTTL)
8
GPIO1
See Pin 7, GPIO0
9
Reserved
10
C-GND
PWR
0 VDC
Chassis ground and shielding
Table 72: TFM I/O connector pin assignment
EXT-GPIO3
EXT-GPIO2
GPO2
Pin 6
GPI3
Pin 5
I_lim
Isolated In GND
Pin 3
Isolated Out Power
Pin 4
GPIO1
Pin 8
GPIO0
Pin 7
EXT-GPIO1
EXT-GPIO0
Internal
External
5 mA
