Mako Technical Manual
V3.0.0
51
Camera interfaces
Trigger timing diagram
The following diagram explains the trigger concept in general.
Notes on triggering
Trigger definitions
Note
For trigger description on camera control basis, see
GigE
Camera and Driver Features
.
Figure 41: Trigger timing diagram
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
Table 27: Trigger definitions
User trigger
Logic trigger
Exposure
Readout
Trigger ready
Imaging
Interline time
Idle
Tpd
Trigger
latency
Exposure
start delay
Trigger
jitter
Registered
exposure time
Readout time
N
N+ 1
N
N+ 1
Note: Jitter at the
beginning of an exposure
has no effect on the
length of exposure.
