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2.6.3.1 Global Shutter Internal Triggering (Non-Overlap Mode)
In Internal non-overlap modes, a new exposure can not start until the previous exposure has been read out.
The exact acquisition sequence depends on the exposure time. The two scenarios are shown in
Figure 26
and
Figure 27
. If the exposure time is less than the time it takes to read out a frame, then the exposure period
occurs between reading out the reference and the signal frames as shown
in Figure 26
.
In this scenario, the reference frame is read out before the Global Clear is performed. The negative edge of the
Global Clear begins an exposure. After the user-defined exposure time, the Charge Transfer pulse goes HIGH to
transfer charge from all pixels in the sensor. The signal frame is then read out.
Figure 26:
Global Shutter Internal Triggering – Short Exposures
Table 23: Global Shutter Internal Triggering - Short Exposures Timing Parameters
Parameter
Minimum
Maximum
Exposure
1 Row
1 Frame + 3 Rows
Cycle Time (1/Frame Rate)
Ex 2 2 InterFrames
Ex 2 2 InterFrames
Acquisition Start Delay
0
1 Frame
Summary of Contents for Zyla sCMOS 4.2 PLUS
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