Point Grey Flea3 GigE Technical Reference
6 Input/Output Control
6
Input/Output Control
6.1
General Purpose Input/Output (GPIO)
The camera has an 8-pin GPIO connector on the back of the case; refer to the diagram below for wire color-coding. The
connector is a Hirose HR25 8 pin connector with part number: HR25-7TR-8SA. The male connector is part number:
HR25-7TP-8P.
Table 6.1: GPIO pin assignments (as shown looking at rear of camera)
Diagram
Color
Pin
Function
Description
Black
1
I0
Opto-isolated input (default Trigger in)
White
2
O1
Opto-isolated output
Red
3
IO2
Input/Output/serial transmit (TX)
Green
4
IO3
Input/Output/serial receive (RX)
Brown
5
GND
Ground for bi-directional IO, V
EXT
, +3.3 V pins
Blue
6
OPTO_GND
Ground for opto-isolated IO pins
Orange
7
V
EXT
Allows the camera to be powered externally
Yellow
8
+3.3 V
Power external circuitry up to 150 mA
Power must be provided through the GPIO interface. The required input voltage is 12 - 24 V DC.
For more information on camera power, see
Powering the Camera
.
For details on GPIO circuits, see
GPIO Electrical Characteristics
.
Revised 10/29/2013
Copyright ©2010-2013 Point Grey Research Inc.
31