I'm afraid I must confess, I am the big file culprit. My
apologies. Here is my original response with a link to the
file:

http://www.amulvey.com/PIC_ICSP_Guide_30277d.pdf

Microchip used to publish a PIC "In Circuit Serial
Programming (ICSP) Guide" #30277d.  I couldn't find it on
their web site so I have attached a link to this post.

Allen

> -----Original Message-----
> From: piclist-bounces@MIT.EDU [mailto:piclist-
> bounces@MIT.EDU] On Behalf Of Matt Rhys-Roberts
> Sent: Wednesday, February 4, 2015 8:52 AM
> To: Microcontroller discussion list - Public.
> Subject: [PIC] port pins sharing ICSP functions with
application
> hardware?
>=20
> Hi, I've just realised that I've wired up all of port B to
my
> application, and that RB5 (PGM), RB6 (PGC), and RB7 (PGD)
are
> also on
> port B.
>=20
> Not knowing too much about how ICSP works, can I get away
> with this? My
> application only receives data from port B, so it's most
> probably always
> a high impedance load.
>=20
> Many thanks,
> Matt.
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