Specs Regarding 1.8V External Sync

Jimmek

December 04, 2020 19:21

Documentation for using external sync for D455 cameras has the trigger voltage level as 1.8 V . What is the tolerance level for this 1.8V signal? Is the non-trigger state 0 volts and is there a tolerance for it?

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MartyG

December 05, 2020 09:03

Edited
Hi Jimmek The green line of the trigger-pulse waveform diagram from the Genlock external sync paper that is in the section linked to below does indeed illustrate that voltage is flat before rising to 1.8v and then falling back.

https://dev.intelrealsense.com/docs/external-synchronization-of-intel-realsense-depth-cameras#section-2-principles-of-operation

I do not have any information regarding tolerance in relation to the trigger pulse though.
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