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Comp.Arch.FPGA | Need support for LVDS to Tmds translation on altera device

There are 2 messages in this thread.

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Need support for LVDS to Tmds translation on altera device - morp - 2009-08-22 18:05:00

Hi,

I've been wondering how to translate lvds drive to tmds, my
application is chip to chip only, i.e tmds does not go through any
cable etc.
From altera fpga, the lvds (translated into tmds) goes to a tmds input
chip. What could be a solution for this?

thanks.
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Re: Need support for LVDS to Tmds translation on altera device - Antti.Lukats@googlemail.com - 2009-08-23 02:08:00

On Aug 23, 1:05=A0am, morp
<mbox2...@gmail.com> wrote:
> Hi,
>
> I've been wondering how to translate lvds drive to tmds, my
> application is chip to chip only, i.e tmds does not go through any
> cable etc.
> From altera fpga, the lvds (translated into tmds) goes to a tmds input
> chip. What could be a solution for this?
>
> thanks.

there should be no reason to use TMDS on single board (without cable)

if you need TMDS, its better and easier to use DVI transmit/receive IC

Altera does not officially support TMDS at all

and, TMDS uses DC-couped CML not LVDS signalling,
so you can not use LVDS I/O for sure

Antti