Re: 6569 luminances

From: Segher Boessenkool <>
Date: Mon, 3 Sep 2012 05:38:18 +0200
Message-Id: <>
> It should be easy to come up with a circuit that does the same  
> thing, take the crystal clock and divide by 2.25 (for PAL). The  
> 8701 does that by doubling and then dividing by 4.5 (PAL).

Note it doesn't actually divide by 4.5; it divides unevenly.  The
datasheet shows how exactly (we have checked it with pictures of
the die, it does what the datasheet says).


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Received on 2012-09-03 05:00:33

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