Is it ok to have capacitance between Vcc & GND during ICSP?

Or will this cause problems too?

Tim

-----Original Message-----
From: x [mailto:bagameri@FREESTART.HU]
Sent: Wednesday, January 23, 2002 5:41 AM
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [PIC]: In-Circuit programming for 16F877


Have a look at "PICMicro MID-Range Reference Manual".
It's on Microchip's site, in  .pdf form. You will find a whole section
about ICSP in there. Section 28 is that.

My experience is that Picstart Plus and ICSP works fine, but:

- don't apply capacitance to any PIC pins when programming.
- ensure that LVP is disabled and LVP pin is pulled down when
programming
- my ICSP cable has 5 conductors and 6 pins at the PIC's end. The 6th
pin pulls down OSC1 to GND. In Your case, this 6th pin can disable the
oscillator.
- employ a 5W2 header. There's the PIC on one end, here you can plug the
programming cable. when the PIC runs, put on 5 jumpers, because the
environment is connected to the other end of the header.

Sincerely:

Bela

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