45
NED
XCM4040DLMT4
UME-0048-03
4.8
Exposure Mode and Timing Chart
The camera has three exposure modes. The overview of each mode and the timing
are as follows.
4.8.1 Free Run Exposure Mode (Programming time setting)
In free-run exposure mode, the camera generates its own internal control signal
based on two programmable parameters, exposure time and readout time.
Table 4-8-1-1 Programmable Exposure Time
p
Programmable exposure
time
4096pixels_4tap
24.6
~
26214.375
4096pixels_2tap
50.2
~
26214.375
2048pixels_2tap
24.6
~
26214.375
4096pixels_4tap
(
TypeB
)
24.6
~
26214.375
r
Readout time
4096pixels_4tap
25.6
4096pixels_2tap
51.2
2048pixels_2tap
25.6
4096pixels_4tap
(
TypeB
)
25.6
(unit
:
µs)
Exposure
Readout
①
①
②
②
③
③
④
④
⑤
p
r
scan
Figure 4-8-1-1 Free Run Exposure Mode
at 4096pixels_4tap
Note:
The timing of reading out does one scanning delay from the exposure.