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Manta Technical Manual V7.2.0

110

Camera interfaces

Trigger rules

•The end of exposure will always trigger the next Readout.

•The end of exposure must always end after the current Readout.

•The start of exposure must always correspond with the Interline Time if

Readout is true.

• Exposure start delay equals the Readout time minus the Registered Expo-

sure Time.

Triggering during the Idle State

For applications requiring the shortest possible trigger Latency and the small-

est possible trigger jitter the User trigger signal should be applied when Imag-

ing is false and Idle is true.

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

Trigger ready Indicates to the user that the camera will accept

the next trigger.

Registered exposure time Exposure time value currently stored in the camera

memory.

Exposure start delay Registered Exposure Time subtracted from the

Readout time and indicates when the next expo-

sure cycle can begin such that the exposure will

end after the current Readout.

Interline time Time between sensor row readout cycles.

Imaging High when the camera image sensor is either

exposing and/or reading out data.

Idle High if the camera image sensor is not exposing

and/or reading out data.

Note



The user trigger pulse width should be at least three times the

width of the trigger latency as indicated in Specifications on

page 26.

Term Definition

Table 46: Trigger definitions

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