6
CAMELIA 4M Digital Camera
5301C–IMAGE–03/04
3-Shot Color Modes
In 3-shot color mode, each image is made of three frames: red, green and blue.
•
The camera must be operated in either external trigger mode or integration time
control mode.
•
For each image, the user selects the color of the next frame by setting the input
signals COLOUR_I1 and COLOUR_I2 (see Table 2). COLOUR_I1, _I2 must be
valid between the rising edge of the TRIG signal (or the falling edge of the ITC
signal) and the falling edge of the SHUTTER signal (see Figure 5).
•
The integration time can be adjusted differently for each color, resulting in a better
signal to noise ratio for the color with the lowest sensitivity (i.e the blue).
•
Each frame requires a TRIG_ITC signal.
•
The camera synchronizes COLOUR_I1, _I2 with the rest of the timing and sends
COLOUR_O1, _O2 to the FGT frame grabber.
Figure 5. Color Timing Diagram
Electrical Interfaces
Power Supply
Table 2. Color definition
COLOUR_I2
COLOUR_I1
Frame Color
0
0
Red
0
1
Green
1
0
Blue
Frame 00
(red)
Frame 01
(green)
Frame 10
(blue)
00
01
COLOUR_I
COLOUR_O
FEN
> 0
> 0
SHUTTER
00
> 0
Red
integration
time
TRIG
Green
integration
time
10
01
> 0
> 0
10
> 0
Blue
integration
time
Table 3. Power Supply Specifications
Parameter
Nominal Value
Min Value
Max Value
Voltage
24V
20V
28V
Current
0.75A
N/A
N/A
