Unibrain 780 - Manual (Page 38)

Unibrain Fire-i 580/780/785/980 Operation Manual Page 32
3.12.3. Trigger & Strobe delay
For Fire-i 580/785/780/980, the strobe signal starting point is almost the same as the exposure starting point.
3.12.4. Trigger Mode 0
Camera starts integration of the incoming light from external trigger input falling edge. Integration time is described
in the "Shutter" register. No parameter is needed. A Trigger delay is applied to mode 0 for H/W trigger. The Trigger
in mode 0 is supported by both H/W trigger and S/W trigger.
3.12.5. Trigger Mode 1
Camera starts integration of the incoming light from external trigger input falling edge. Integration time is equal to
the low state time of the external trigger input. No parameter is needed.