>> What is the standard for receiving serial data ? Do you get some >data then return to the main loop ?? Or couldn't it be made to check >pin state..do other work..check pin state...write data to register after >>period..do other work. >you can choose... > >Regards, >JC >Attachment Converted: D:\WAN\MAIL\INCOMING\ReSerial Why do you keep sending unreadable attachments ? Rgds Mike Some say there is no magic but, all things begin with thought then it becomes academic, then some poor slob works out a practical way to implement all that theory, this is called Engineering - for most people another form of magic. Massen