Let me show you how many projects I have done with the PIC18F452 that DO use an oscillator and PLL! It would be boring after a while... * | __O Thomas C. Sefranek WA1RHP@ARRL.NET |_-\<,_ Amateur Radio Operator: WA1RHP (*)/ (*) Bicycle mobile on 145.41MHz PL74.4 ARRL Instructor, Technical Specialist, VE Contact. http://hamradio.cmcorp.com/inventory/Inventory.html http://www.harvardrepeater.org -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of Neil Baylis Sent: Tuesday, September 26, 2006 10:22 AM To: Microcontroller discussion list - Public. Subject: Re: Re: [PIC] 18F452 PLL PLL doesn't work with an external oscillator. It has to be a crystal. On 9/26/06, Tom Sefranek wrote: > > > Jinx wrote: > > >>What am I missing here? > >> > >> > > > >Changed the crystal ? > > > O-Scope shows 10 MHz. > (It's an oscillator, not a crystal) > No, I have not changed it. > > > > >Checked the board ? > > > >Pins reaching board ? (assumed a socket) > > > > > Ahhh, the PIC is running, just not at 40 MHz, it running at 10 MHz. > > -- > * > | __O Thomas C. Sefranek WA1RHP@ARRL.net > |_-\<,_ Amateur Radio Operator: WA1RHP > (*)/ (*) Bicycle mobile on 145.41, 448.625 MHz > > http://hamradio.cmcorp.com/inventory/Inventory.html > http://www.harvardrepeater.org > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- http://www.pixpopuli.com -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist