Re: 6569 luminances

From: Segher Boessenkool <segher_at_kernel.crashing.org>
Date: Mon, 3 Sep 2012 05:38:18 +0200
Message-Id: <2154B442-686E-4FE1-82D9-7C2577E62ADA@kernel.crashing.org>
> 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).


Segher


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