Re: SX-64 keyboard adapter

From: Ingo Korb <>
Date: Mon, 18 Jan 2016 21:10:12 +0100
Message-ID: <>
didier derny <> writes:

> I've seen somewhere that HDMI could be done with a spartan 6...

Yes, the Spartan 6 I/O blocks support TMDS signalling. It can also be
done with the Spartan 3A (but not 3 or 3E).

> my boards are mostly spartan 3 / Cyclone II   (DE1)

Some people have successfully used a Cyclone II to output HDMI directly
from the FPGA pins - although it doesn't support "real" TMDS outputs,
the signal is usually acceptable when the cable is short enough.

One project that uses a Cyclone II to add an HDMI output to a Neo Geo is
this one:


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Received on 2016-01-18 21:00:55

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