Re: 6569 luminances

From: silverdr_at_wfmh.org.pl
Date: Wed, 12 Sep 2012 22:27:05 +0200
Message-Id: <120C50DF-3BE8-421B-A3A0-5B7C665F7E5F@wfmh.org.pl>
On 2012-09-03, at 05:38, Segher Boessenkool wrote:

>> 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).

What does this exactly/practically mean? Will it matter if I somehow divide the xtal just by 2.25? Does one have to care about the relation of the phases of both outputs?

-- 
SD!
       Message was sent through the cbm-hackers mailing list
Received on 2012-09-12 21:00:06

Archive generated by hypermail 2.2.0.