Przemyslaw, A few times happened with me too try turning your scope scale higher. Andre Przemyslaw Lopaciuk wrote: >Hi, >I'm using PIC18F8621 with 40 MHz crystal and I've just tested it with an oscilloscope. >The odd thing is that it shows that the frequency is about 13MHz on both outputs (X1 and X2). >What could be the reason of it? Load capacitance? > >I would be very grateful for every advice. > >Thank you, >Sam >########################################### > >This message has been scanned by F-Secure Anti-Virus for Microsoft Exchange. >For more information, connect to http://www.f-secure.com/ > > -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist