on 9/1/02 7:03 AM, Peter L. Peres at plp@ACTCOM.CO.IL wrote: Peter, > Are you sure it is 20 *percent* ? That is exactly how it is written on the data sheet. > Imho build a specialised > counter using a PIC and do NOT probe the osc pins, provide a separate > clock output on a pin instead (even if it is slower and takes longer to > measure). No. It's not that critical. I was happy before I started this thread! :-) But I have learnt a couple of things that I will try, but other than that, it will be fine. Thanks to everybody that replied. Regards, Sean -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics