A hopefully quick question: I have a system where I need to use the same connection for debug/programmi= ng and for serial comms. Is it possible to damage any of the uChip official programmers (PM3- PICKit= etc) if the pic is asserting that pin and the programmer is trying to driv= e it opposite? -- David VanHorn Lead Hardware Engineer Backcountry Access, Inc. 2820 Wilderness Pl, Unit H Boulder, CO 80301 USA phone: 303-417-1345 x110 email: david.vanhorn@backcountryaccess.com --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .