Thanks Tamas That was a good start. Then I found more info on the high speed usb page in the design center and then a webpage in the forums that was almost exactly what I need (I think) http://greta.dhs.org/UBW/ My laptop's been in the shop so I've been doing email and web on my lifedrive. So I haven't really been able to do much looking ;-] Cheers Dave -----Original Message----- Hi Dave, On Microchip site there is a documentation (00956b.pdf) that covers this -- maybe there are some other / better out there. Tamas On 12/7/06, Dave King wrote: > > Just curious if anyone has used one of the pics with usb to create > a usb to serial bridge? > > I know the usb-232 are fairly cheap but I really need a much more > compact design. I googled and found lots of these but all seemed > to use a FT usb converter chip. I was looking at the 18F's with > USB 2 and pondering if it could be done with just a pic. > > so has anyone done it seen it? Has schematics to share? ;-] > > Dave. > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > -- unPIC -- The PIC Disassembler http://unpic.sourceforge.net -- 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