[Reformatted...] Wouter van Ooijen wrote : > > I was thinking along the lines of the max232 giving me > > "free" ~13+v for the MCLR pin... > > IIRC the max chips double the supply voltage, and then negate it. So > from a +5V you would get ~ +9.5V and ~ -9.0V (both will drop under > load). Hm, how does the 3v versions of the MAX chips work then ? By trippling the voltage ? Jan-Erik. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body