Hi Tony, I think that is only a doc bug ... I have built a small programmer (my design, for programming 18F devices some months ago) and I used this device to help with 12F, without prob. I think IC-PROG is using the same algorithm too ... Fabio ----- Original Message ----- From: "Tony Nixon2" To: Sent: Monday, October 21, 2002 2:58 AM Subject: [PIC]: 12Fxxx programming > Hi all, > > I hope Microchip got it right. > > > In all PICs I have seen with regards to programming, MCLR is raised to > VPP after raising VCC. In the data sheet for the 12F675 it mentions to > raise MCLR to VPP 'before' raising VCC. > > I have noted in earlier PICs about applying high voltages to MCLR before > power is applied and damaging the pin. > > Anyone have some more insight? > > > Best regards > > Tony > > mICros > http://www.bubblesoftonline.com > mailto:sales@bubblesoftonline.com > > -- > http://www.piclist.com hint: The PICList is archived three different > ways. See http://www.piclist.com/#archives for details. > > > > -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.