NED
UME-0031-03
Sui7440
35
4.8.2 External Trigger Exposure Mode
In external trigger exposure mode, the line period and the exposure time is determined
by the setting made through the external trigger pulse (CC1) cycle. Each exposure starts
with the rising edge is determined by the time from rising edge to rising edge of the
trigger pulse. The range of programmable exposure time and the timing chart of the
exposure and the readout are shown below.
Exposure
Readout
①
①
②
②
Trigger
(CC1)
①
②
③
③
a
b
exposure
time
exposure time
scan period
Figure 4-8-2-1 External Trigger Exposure Mode
Timing restrictions are as below:
a: External Pulse H Time 50ns(2CK) or more
b: External Pulse L Time 50ns(2CK) or more
a+b: Scan Cycle is between 191.92
µ
s
~
20.9715ms (4798
~
524288CK)