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TS5MP646: FPD-Link 3/4

Sagar Sadasivan
Prodigy 205 points
Part Number: TS5MP646
Other Parts Discussed in Thread: DS90UB954-Q1, DS90UB960-Q1, DS90UB953-Q1

From my customer:

"I have a question regarding FPD-Link 3/4.

 

I know the FPD-link 4 stuff might have something like this, but I was wondering if TI had any serializers that have 2 FPD-Link III outputs. We are looking for something that could have a single(dual is fine too) CSI2 input, and can split off into two separate FPD-Link III streams. What we want to do is transmit 2 video streams using the same CSI2 interface and designate the port using the stream ID. 

 

Otherwise, we would need to use 2 serializers and something like TS5MP646. Alternatively do you have anything similar to TS5MP646  but a 4:1 switch?"

  • 0
    TI__Prodigy 205 points

    "

    If we needed a 4:1 switch for MIPI, would it be recommended to use multiple TS5MP646  parts to achieve this? We would need 3  TS5MP646 parts. See attached.

      "

  • 0 in reply to Sagar Sadasivan
    TI__Guru** 103215 points

    Hello Sagar,

    We do not have a serializer device like this unfortunately. The only way to achieve this is by using multiple devices. For example, you could use:

    MIPI Source -> DS90UB953-Q1 -> DS90UB954-Q1 or DS90UB960-Q1 (replicate mode to two CSI-2 ports) -> 2x DS90UB953-Q1 for separate streams 

    The switch approach could also be used but this would be a muxing solution. It would not allow you to sent the streams to two sinks at the same time. 

    Best Regards,

    Casey