On Nov 24, 2:49*pm, Gabor <ga...@alacron.com> wrote:
> On Nov 24, 8:07*am, bonnerfme <xiaoling...@fme.fujitsu.com> wrote:
>
> > Hi there,
>
> > I have a question regarding clock deskewing. My design has a sub
> > module that gets its clock signal from a regional clock pin, however,
> > the clock skew is too large and causing timing violations.
>
> > I read about something on DCM and thought about using it to deskew
> > this regional clock, but it seems to me that DCM can only be used in
> > conjunction with global clock lines. The board layout is fixed, which
> > means no way I can use a global clock line for this signal, have to
> > live with it.
>
> > Has anybody experience with regional clock deskewing?
>
> > Thanks a lot!
>
> Are you sure you mean deskew? *That is a routing issue. *I don't
> see how a DCM would help unless you're talking about the skew
> between the regional clock and some other clock.
>
> Confused,
> Gabor

Hi Gabor, you're right, this is a routing issue.I meant the skew just
on this regional clock, not the skew between it and some other clock.
Maybe DCM is not the right thing to go for, I'm no sure, please advise
what is the correct thing I should look into.

BR