Trigger Mode - Sony XCL-U100 Technical Manual

Digital video camera module
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3.2.4.

Trigger mode

This mode is for starting exposure by synchronization
with the external trigger input (DC IN connector or
DIGITAL IF connector) and then outputting the
individual video signals of all pixels after the time that
was set for the shutter elapses. There is the edge
detection mode for detecting the rise edge of the external
trigger signal and the width detection mode for detecting
the effective period of the trigger. The period of the
external trigger signal cannot be set shorter than the
shutter speed. Furthermore, if the shutter is set to OFF,
frame period (fps) is prioritized and the shutter speed
will be the reciprocal of the maximum exposure time
that can be set.
The shutter speed will be 1/15 s in normal mode, 1/30 s
in binning mode, and 1/15 s to 1/48 s depending on the
number of lines in partial scan mode. For details on
partial scan mode, see page 21.
T1 is the maximum exposure time.
TRG (edge)
TRG (width)
FVAL
LVAL
DVAL
Video output
(lines)
T1 > 1253 H
T3 = T2 + 32 H
exposure time ≤ T1
Edge trigger mode
Shutter
2 s
1 s
1/2 s
1/7.5 s
1/15 s
1/30 s
1/60 s
1/100 s
1/120 s
1/250 s
1/500 s
1/1,000 s
1/2,000 s
1/5,000 s
1/10,000 s
18
3. Camera mode
T1
T2*
T3
1 H
1
2
1600 CL
320 CL
T1
2.001 s or more
1.001 s or more
501 ms or more
134 ms or more
100 µs or more 2 s or less
66.8 ms or more
When trigger pulse polarity is positive
1200 H
1199 1200
* Shutter setting value in edge mode; pulse width in
width mode.
Trigger width
2 s
1 s
500 ms
133.34 ms
66.68 ms
33.34 ms
16.67 ms
10.01 ms
8.33 ms
4.01 ms
1.983 ms
1.023 ms
543 µs
223 µs
117 µs
1
1H = 53.333 µs
1 CL = 27.777 ns
T2
T3
2.002 s
1.002 s
501.71 ms
135.05 ms
68.39 ms
35.05 ms
18.38 ms
11.72 ms
10.04 ms
5.72 ms
3.69 ms
2.73 ms
2.25 ms
1.93 ms
1.83 ms

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