>I believe all the other PICs to >have the same essential design. The 16F630/676 do not seem to have an O/C output on any output. Do not know about any others, but perhaps it is being dropped from some of the newer designs? -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body