Hi All .. this is my first post ... be gentle with me !! Simple question really - does the tmro register when being clocked by an external source continue to increment even when it has rolled over ? Oh and if I am allowed another - when should the weak pullups be used - any rules of thumb ?? thanks very much steve **************** " Visit my updated site at http://www.subsurfacetech.co.uk " ********************************************************************** Information in this email is confidential and may be privileged. It is intended for the addressee only. If you have received it in error, please notify the sender immediately and delete it from your system. You should not otherwise copy it, retransmit it or use or disclose its contents to anyone. Thank you for your co-operation. ********************************************************************** -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics