On Sat, 3 Aug 2002 14:44:19 -0400 Michael Simpson writes: > Done that, did that. I have about 100 crystal,cap and resonators. > I tried > using the HS/PLL option. Cant get it to go above 20mhz. You tried a 10 MHz crystal and HSPLL? That should give you 40 MHz clock (or one instruction every 100ns). I've now built over a thousand boards with 18C452 and 18F452 with 10 MHz resonators with internal capacitors. No problems... Harold FCC Rules Online at http://hallikainen.com/FccRules Lighting control for theatre and television at http://www.dovesystems.com Reach broadcasters, engineers, manufacturers, compliance labs, and attorneys. Advertise at http://www.hallikainen.com/FccRules/ . ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/web/. -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads