Since space is a serious issue on my apps, I don't use one. All I have is a schottky diode from Vdd to the MCLR pin, so I can use ICSP. This is over some hundreds of instances of the circuit using the 16F872 or 16F877. Cheers, -Neil. On Thursday 01 June 2006 17:21, Barry Gershenfeld wrote: > There's a long-standing tradition of using a little three-terminal reset > generator to make sure the PIC starts up properly. I suspect there was > some trouble with this many years ago and we just kept up the > practice. So what I'm asking today is if we all trust the PIC internal > reset circuit to work reliably, every time. Expected answers will be > 'yes', 'no', and 'it depends'. To help with the 'it depends' part, > consider that we're using a "real" power supply, such as some off the shelf > thing or maybe the one inside a PC. As opposed to something homebrew, or > something slowly ramping like solar power or a string of potatoes. > > Thanks... > Barry -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist