36
NED
XCM20160T2CXP
UME-0054-01
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 External Trigger (Trigger Level) Exposure Time
symbol
Item
XCM20160T2CXP
XCM20160CXP
r
Readout
time
6.4
12.8
a
Trigger pulse H time
≧
6.7
≧
13.4
b
Trigger pulse L time
≧
2.9
c
rigger pulse cycle
≧
9.6
≧
16.3
(unit:
µ
s)
E x p o s u r e
R e a d o u t
①
①
②
T rig 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
The data of Exposure (1) is read out at Readout (1)
