Likewise, has anyone seen any problems with running a PIC16F84 10Mhz at 4Mhz (or even 6Mhz)? I know that you can sometimes overclock them, but I remember someone had some trouble with certain Values of crystals... On Wed, 21 Jul 1999, Amr Ahmed wrote: > Hi, > > Can I use the PIC16F84 4Mhz up to 20Mhz ? > becuse i found a zip file contain a circuit for > cablecrypt system (Irdeto' encryption Analogue) > it needs a 10 mhz to run at 20 mhz and i have the > 4 mhz only ? > > AmR > _________________________________________________________ > Do You Yahoo!? > Get your free @yahoo.com address at http://mail.yahoo.com >