NOIV1SN025KA
Frame N
Frame N+1
Exposure State
FOT
Reset
Integrating
FOT
Reset
Integrating
FOT
trigger
Readout
FOT
FOT
FOT
Image Array Global Reset
= ROT
= Readout
Figure 21. Exposure Time Control in Global ? Slave Mode
Rolling Shutter Mode
The exposure time during rolling shutter mode is always
an integer multiple of line-times. The exposure time is
defined by the register exposure and expressed in number of
lines. The register fr_length and mult_timer are not used in
this mode.
The maximum exposure time is limited by the frame time.
It is possible to increase the exposure time at the cost of the
frame rate by adding so called dummy lines. A dummy line
lasts for the same time as a regular line, but no pixel data is
transferred to the system. The number of dummy lines is
controlled by the register dummy_lines.
Frame N
Readout
reset line y-start
reset line y-start+1
reset line y-start+2
...
exposure
(#lines)
The rolling shutter exposure mechanism is graphically
shown in Figure 22.
The duration of one line is the sum of ROT and the time
required to read out one line (depending on the number of
active kernels in the window). Optionally, this readout time
can be extended by the configuration rs_x_length. This
register, expressed in number of periods of the logic clock
(16.129 ns nominal), determines the length of the x-readout.
However, the minimum length is governed by the window
size (x-size).
Frame N+1
exposure
(#lines)
= ROT
= Readout
= Readout Dummy Line (blanked)
NOTE: This figure illustrates a short frame with a few dummy lines.
Figure 22. Integration Control in Rolling Shutter Mode
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相关PDF资料
NP100P04PDG-E1-AY MOSFET P-CH -40V MP-25ZP/TO-263
NP100P04PLG-E1-AY MOSFET P-CH -40V MP-25ZP/TO-263
NP100P06PDG-E1-AY MOSFET P-CH -60V MP-25ZP/TO-263
NP100P06PLG-E1-AY MOSFET P-CH -60V MP-25ZP/TO-263
NP109N04PUJ-E1B-AY MOSFET N-CH 40V MP-25ZP/TO-263
NP109N055PUJ-E1B-AY MOSFET N-CH 55V MP-25ZP/TO-263
NP110N03PUG-E1-AY MOSFET N-CH 30V MP-25ZP/TO-263
NP110N04PDG-E1-AY MOSFET N-CH 40V MP-25ZP/TO-263
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