Patrick J wrote: > Also various 485 ICs state speed of min 4Mbps ! I am not sure how > that is gonna be done; from what I understand 485 is 'RS232' running on > a 485 bus. I have never seen RS232 do more than 112kbps. > Maybe a parallell prn (PC) interface to a PIC then the PIC's RX/TX > to the bus @ 4 Mbps ??? I think this means minimum maximum speed. Make sense? Translated: these chips will run at at least 4Mbps. I have done RS485 at 9600bps and it works OK. Brent Brown Electronic Design Solutions 16 English Street Hamilton, New Zealand Ph/fax: +64 7 849 0069 Mobile/text: 025 334 069 eMail: brent.brown@clear.net.nz -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads