version 2.0 rev 18 Feb 2021
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Long Exposures
When the required exposure time is greater than the time it takes to read out a frame (Long Exposures), the cycle
timeisdenedbytheexposuretime.
Initially, the entire sensor is held in a global clear state to ensure that there is no charge build-up on the sensor.
GlobalCleargoesLOWandtherstframereadoutisinitiated.Thisframeisdiscardedasitdoesnotcontainthe
correctexposureperiod.Readingoutthisrstframeeectivelybeginstherstexposure.Whentheexposureperiod
has completed, a signal frame read out phase begins. As each row is read out, the new exposure for that row
begins.
Figure 18: Rolling Shutter Internal Triggering (Overlap Mode) (Long Exposures)
Table 14: Rolling Shutter Internal Triggering (Overlap Mode- Long Exposures) Timing Parameters
Parameter Minimum Maximum
Exposure 1 Row 30 s
Cycle Time (1/Frame Rate) Exposure Time Exposure Time + 1 Frame
FIRE low period 1 Row -