VCC-5CL4M
Rev.905-0060-04
©2016 CIS Corporation. All rights reserved.
19
7.9.
Fixed Trigger Shutter Mode
□
This is the mode to start exposure with external input trigger signals, and set the exposure time with serial commands.
□
Trigger operation is H sync., and V-sync. restart system.
The delay time (Exposure Time Delay) from
detecting trigger edge in the camera to starting exposure is 2H~3H.
Since the external trigger signals sync with camera internal H signals, 1H jitter occurs to Exposure Time Delay.
The trigger pulse with the minimum 1H and more shall be input (Refer to the below for the details of 1 line width).
Camera Mode
Time for 1 line
2Tap Base configuration mode
16.633μs
3Tap Base configuration mode
11.111μs
4Tap Medium configuration mode
8.350μs
8Tap configuration mode
4.175μs
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There is an exposure time period for approx. 13.73μs at the edge right after exposure output.
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Triggers can be accepted while outputting video output images. However, please note that a trigger signal to
start the next video outputting before completion of outputting the prior images should not be input.
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Trigger input during exposure time shall be ignored in the camera. (Refer to (A) in the drawing below).
Note that a trigger shorter than 1 frame cycle shall not be used.
Effective Line : 2048H
Effective Line
～ ～
2
0
4
8
1
～ ～
2
0
4
8
1
Effective Line
Trigger input ignore period
Exposure Time
Exposure Time Delay
(A)
TRIG IN
Exposure Out
(SP Out)
Exposure time delay
