Lpc2000

--- In lpc2000@yahoogroups.com, "James Dabbs" <jdabbs@t...> wrote:
> > It capacitively couples at a low level.  It is not a direct
> > connect from the oscillator to the pin on the LPC.
> 
> So, if I need to clock the LPC from an external oscillator, what
> should I do?  In this case, it's actually an sine waye from a UHSO,
> but I was planning to square it up for this chip.

Check out page 39 in the LPC210x User Manual (download from
Philips website).  It shows you exactly how to do it.  Basically,
you need to put a 100pF capacitor between your oscillator and
X1.  The oscillator should have an amplitude of at least 200mV
and no more than 1.8v.

    -bob