No.11S031-03
20
STC-CL500E/CLC500E
Users guide Rev. 1.3
3.3.2 Edge preset trigger mode (Non-Reset)
Note.1: The camera does NOT switch to the normal mode when the long exposure mode is set,
Note.2: The video output is going to be V reset by the internal VD signal after the exposure is finished.
Note.3: The exposure time sets by the preset electronic shutter speed.
Note.4: FVAL signal does NOT output if NO exposure with the trigger signal while the trigger mode.
3.3.3 Edge preset trigger mode (Exposure timing)
Note.1: The trigger signal is removed by the filtering if the pulse width of the input trigger signal is smaller than
30 CLK
Please input the trigger signal has more then 31 CLK pulse width.
Note.2: The exposure is going to start 198 CLK after the rising edge of the trigger signal.
Trigger signal
Exposure time
T1'
SUB
SG
Exposure time: T1' = Preset electronic shutter
Filtering *Note.1
30CLK
Exposure
time
Automatically switch to the normal
mode if the pulse width of the
trigger signal is more than
500 mseconds.
*Note. 1
Camera mode
Internal VD
CCD exposure
Trigger signal
(Rising edge)
Video out
*Note. 3
FVAL
*Note. 4
Next VD
*Note. 2
Next VD
Next VD
Normal mode
Trigger mode
Normal mode
