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Clarification on RGB to LVDS Bridge

Jared Becker
Genius 11865 points

Other Parts Discussed in Thread: DS90CF384A, DS90C385A, DS90CF383B

Hi Team,

I'm seeking to clarify if a 24-bit RGB to 4-lane LVDS bridge is bidirectional, meaning it can convert either from RGB to LVDS or LVDS to RGB.

I am looking at the DS90CF384A and the datasheet explains, "The DS90CF384A receiver converts the four LVDS data streams (Up to 1.8 Gbps throughput or 227 • 50% Duty Cycle on Receiver Output Clock Megabytes/sec bandwidth) back into parallel 28 bits of CMOS/TTL data (24 bits of RGB and 4 bits of RxOUTPUTs Hsync, Vsync, DE and CNTL).

I am looking for a bridge that can convert from RGB to LVDS, and I'm not sure if the DS90CF384A can be used in that way. If it cannot, is it possible to convert that way / do you have any recommendations for a part that can do that?

Thanks in advance,

Jared

  • 0
    TI__Mastermind 29655 points
    Hi Jared,

    We do not have a part that does this bidrectionally all in one chip. The DS90CF384A only converts from serialized LVDS to parallel RGB.

    The DS90CF384A can be viewed either as an LVDS-to-RGB bridge converter, or it can be seen as a deserializer that is used in conjunction with a companion serializer device that does the opposite function (converts from 28-bits of LVCMOS RGB-type data into 4 pairs of LVDS). The companion serializer for the DS90CF384A is the DS90CF383B. Another potential option is the DS90C385A (higher maximum operating frequency).

    Thanks,

    Michael