Just a guess but port b is just digital while different functions such as a/d on port a. Simpler code, and same code can be used on several chips without modification. Keith Christopher wrote: > > How come most people use port B _vs_ porta on the pic > chips for i/o ? > > Keith > > __________________________________________________ > Do You Yahoo!? > Send your FREE holiday greetings online! > http://greetings.yahoo.com > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body