VCC-5CL4MHS
Rev.905-0079-01
©2017 CIS Corporation. All rights reserved.
16
7.6. FAST Pulse Width Trigger Shutter Mode
□
This is the mode to start exposure with external input trigger signals, and set the exposure time with pulse width of
the trigger signals.
□
Trigger operation is CLK Sync, and V-sync Restart system.
The delay time (Exposure Time Delay
①
) from
detecting trigger edge in the camera to starting exposure is approx.
0.05
μ
s. The delay time (Exposure Time Delay
②
) from
detecting trigger edge in the camera to end exposure is
approx. 13.73
μ
s.
□
Pulse width is min. 0.27
μ
s to approx 2 frames. Functionally, there is no upper limitation, but noises such as dark
noises shadings may be noticeable at long time exposure.
□
There is an exposure time period for approx. 13.73
μ
s at the edge right after exposure output.
Trigger input during exposure time shall be ignored in the camera. (Refer to (A) in the drawing below).
Effective Line : 2048H
Effective Line
~ ~
Exposure Out
2
0
4
8
1
TRIG IN
LVAL Out
FVAL Out
Video Out
DVAL Out
Effective Line
Trigger input ignore period
Exposure Time
Exposure Time Delay
①
Exposure Time Delay
②
(A)
TRIG IN
Exposure Out
(SP Out)
Exposure time delay
①
②
Effective Line
~ ~
1
Next trigger rise prohibited period : 2110H