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DVI to LVDS

John Iest
Prodigy 10 points
Other Parts Discussed in Thread: SN75LVDS83B, TFP401A

I'm designing a circuit that requires DVI to LVDS conversion. I reviewed you application note SLLA325A and it looks like I would use two chips. TFP401A and SN75LVDS83B. I need to convert 1024 x 768 to LVDS. No scaling required. We'll these chips do the job. I need to know ASAP because I need to start my design.

John Iest

Amest Corporation

  • 0
    TI__Mastermind 43875 points

    John,

    Yes, these are the devices you need.

    This is a simple conversion hence will not need any other micro controller etc...

    As you mention, the only thing to ensure is that you feed the correct DVI signal for the LCD panel that you are trying to drive.

    You might find some of the information available here useful when determining exactly how to connect the data bits from the TFP to the LVDS since different 24 bit LCD panels have different requirements for their color assignments. In the slides referenced below simply replace "OMAP" with "TFP401A" for the required signal connections.

    http://processors.wiki.ti.com/index.php/LCD_connectivity

    BR,

    Steve