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DS90UB935-Q1: FPDLink III Crosspoint

Richard Pitt
Prodigy 110 points

Part Number: DS90UB935-Q1
Other Parts Discussed in Thread: DS25CP152,

Tool/software:

We currently use DS25CP152 for routing HD-SDI video (as diff pair).

Are there any equivalent crosspoint devices for use with an FPDLink III system using DS90UB935-Q1 serialisers.

  • 0
    TI__Mastermind 26135 points

    Hi Richard,

    Would you be able to elaborate on the system use case you would like to achieve with the crosspoint here? Do you have a general block diagram you can provide? 

    Best,

    Zoe

  • 0 in reply to Zoe Bison
    Prodigy 110 points

    Our system includes 3 camera sensors for live display on 3 devices.

    Camera 1  --->  [                    ]   ----> Display 1

    Camera 2  --->  [  Crosspoint ]   ----> Display 2

    Camera 3  --->  [                    ]   ----> Display 3

    We would like the option to show any video on any device (including the same video on all three simultaneously)

    We currently use HD-SDI video and the DS25CP152 to achieve this, however we are looking at moving to FPDLink III for our next generation sensors.

  • 0 in reply to Richard Pitt
    TI__Mastermind 26135 points

    Hi Richard, 

    Our FPD-Link III deserializers will have a maximum of two CSI-2 outputs. These CSI output ports can be reconfigured via software to output video data from different RX ports. If needing 3 CSI-2 ports, the DS90UB9702 is a potential option from our FPDIV portfolio. The third CSI port in this device is a replicate only port, meaning two ports will need to be transmitting the same data. For more information on the FPD-Link IV devices, we suggest reaching out to your local TI sales representative. 

    Typically systems using FPD-Link will transmit this video data from the serializer over a cable to a deserializer. The deserializer will then output the CSI-2 data to an SoC. Not sure if this is being done in the system or is the system goal. 

    Best,

    Zoe