50
NED
XCM8085DLMT8
UME-0060-04
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
85MHz
40MHz
p
Programmable
exposure time
8192pixels_8tap
10.76
~
12336.2
23.65
~
26214.3
8192pixels_4tap
22.04
~
12236.2
49.26
~
26214.3
8192pixels_2tap
46.14
~
12236.2
100.45
~
26214.3
4096pixels_4tap
10.76
~
12236.2
23.65
~
26214.3
4096pixels_2tap
22.04
~
12236.2
49.26
~
26214.3
r
Readout time
8192pixels_8tap
12.05
25.60
8192pixels_4tap
24.09
51.19
8192pixels_2tap
48.19
102.40
4096pixels_4tap
12.05
25.60
4096pixels_2tap
24.09
51.19
(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
Note:
The readout is delayed one scan from exposure.