> The test crystal is shown as an EPSON C-001R32.768K-A, which has > a recommended load of 12.5 pF. > > There seems to be a disconnect here, if I use 100pF or even 68pF, > aren't I going to load the crystal to the point my frequency will be pulled? I just looked up the part I always use, made by Hudson. It too suggests 12.5pF yet, as I said, I've always used 100pF with apparently no problem Maybe I've learned something Hope not ;-) or I'm stuck with a bag of 100pF -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body