NED
XCM40170DLMT2CXP
UME-0064-01
44
5.9.3
External Trigger Exposure Mode (Trigger Level)
In external trigger exposure mode (Trigger Level), the exposure time is
determined by the high trigger pulse time, and the line period is determined by the
external trigger period. Each exposure starts with the rising edge of the trigger
pulse. The range of programmable exposure time, the timing chart of the
exposure and the readout are shown below.
Table 5-9-3-1 ExternalTrigger(Trigger Level) Programmable Exposure Time
r
Readout
time
4096pixels_Dual
12.05
4096pixels_ Single
24.09
2048pixels_Dual
12.05
2048pixels_ Single
12.05
a
Trigger pulse H time
4096pixels_ Dual
≧
10.22
4096pixels_ Single
≧
23.03
2048pixels_Dual
≧
10.53
2048pixels_ Single
≧
10.53
b
Trigger pulse L time
≧
2.9
c
Trigger pulse cycle
4096pixels_ Dual
≧
13.12
4096pixels_ Single
≧
25.93
2048pixels_Dual
≧
13.43
2048pixels_ Single
≧
13.43
（
Unit:
µ
s
）
E x p o s u r e
R e a d o u t
①
①
②
T r ig g e r
②
①
②
③
③
(C C 1 )
c
b
a
r
a
Figure 5-9-3-1 External Trigger (Trigger Level) Exposure Mode (In case of 4096 pixels)
The data of Exposure (1) is read out at Readout (1)
