Instruction manual
 Prosilica GE Technical Manual V2.0.2
49
Camera interfaces
Trigger timing diagram
Notes on triggering
 Figure 33: Prosilica GE internal signal timing waveforms
Term Definition
User trigger Trigger signal applied by the user (hardware 
trigger, software trigger)
Logic trigger Trigger signal seen by the camera internal logic 
(not visible to the user)
Tpd Propagation delay between the user trigger and the 
logic trigger
Exposure High when the camera image sensor is integrating 
light
Readout High when the camera image sensor is reading out 
data
Trigger latency Time delay between the user trigger and the start 
of exposure
Trigger jitter Error in the trigger latency time
 Table 16: Explanation of signals in timing diagram
User trigger
Logic trigger
Exposure
Readout 
Trigger ready
Imaging 
Tpd
Trigger 
latency
Interline time
Exposure 
start delay 
Trigger 
jitter 
Idle 
Registered 
exposure 
time 
Readout time
N
N+ 1
N
N+ 1
Note: Jitter at the
beginning of an exposur
e
has no eect on the
length of exposure. 










