> >I had great luck with it under PIC16F876 SPI. But it has a poorly >documented flaw- if you drive the crystal input from an external clock, >you will be required to limit the current into that pin. The MAX3110 was >missing characters because the crystal was being overdriven. I believe I >had to insert a 220-ohm resistor to settle it down. If I recall, using >your own crystal seemed to be OK. For once, I lucked out. I used a master osc, but I put series resistance in the clock feeds to limit EMI. It's nice to know that not ALL the rocks land on your head. :) -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads