> >- Use a small diode in addition to the usual resistor between Vdd and > >MCLR/VPP > > The usual resistor? We're supposed to use a resistor between Vdd > and MCLR? I've been tying it high, when not worried about > in-circuit-programming. Ouch! Me too. In order to ISP the boards I am using now I'll have to cut traces (boo!) > > Regarding the diode between Vdd and MCLR, is it possible to skip > that without damaging the PIC whilest in-circuit-programming? Its > easier to just use a resistor (how about 4.7K)? Probably depends on how meaty your progger power supply is. The app note on Power up considerations recommends less than 40K due to leakage current. 4.7K should satisfy this. Best Regards, Lawrence Lile