[Open-graphics] Re: S3 meets timing

[Timothy Normand Miller]

Even better.  It meets timing with the memory running at 200MHz.

On Mon, Jun 30, 2008 at 12:13 AM, Timothy Normand Miller
<theosib at gmail.com> wrote:
> I'd been struggling to meet timing constraints in the S3 when I
> realized that I should have been using the global reset and wasn't.
> The global reset is basically a "free" reset that occurs at power-on.
> It's free because it uses dedicated reset distribution, rather than
> distributing reset like other signals.  Using the global reset, I went
> from banging my head against timing constraints I couldn't meet to
> beating them by a sizable margin.  Next up... checking it all in, then
> doing some regression testing in simulation.
>
> Now, if we can just get the XP10 clock skew problem worked out, I'll
> be able to test this in real hardware.
>
> --
> Timothy Normand Miller
> http://www.cse.ohio-state.edu/~millerti
> Open Graphics Project
>



-- 
Timothy Normand Miller
http://www.cse.ohio-state.edu/~millerti
Open Graphics Project