From: David Wood (jbevren_at_starbase.globalpc.net)
Date: 2004-08-12 09:10:23
Would a PLL serve your purpose? PLLs are used in clock generators on PC
motherboards, and use a low frequency (often around 14mhz) to generate the
133mhz and 1000mhz+ signals for the cpu and system buses.
(or am I incorrect?)
-David
On Thu, 12 Aug 2004 ncoplin@orbeng.com wrote:
> Hello All,
>
> I'm looking for a simple way for sychronising clocks (in the MHz range). The
> obvious way is to start with a high frequency and divide it down. For
> example, use the DOT clock (~8MHz) and generate 4, 2 and 1MHz.
>
> But what I would really like is to synchronise a high frequency clock (say
> 12, 16, or 20MHz) such that at least one rising edge is at the same time as
> the rising edge of Ph1 (or Ph2 if using the cartridge port). Ideally the
> high clock would be one of those 4pin (in 16DIP) TTL output XTALs. Any
> thoughts?
>
> - Nick
>
>
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