Dumitru Stama wrote:
> I am new to this topic but i want to learn and i hope one of you can
> "light" my way.

You can start by supplying a meaningful subject line, such as I have added
to this reply.

> Is it possible to make a very simple circuit to program EVERY 16F and
> 18F pics using ICSP ?

Variations between PICs can be accomodated in the programmer circuit.  The
PM3 is an existance proof of this.

However there is no programmer circuit that can work with all possible
target circuits.  You have to be willing to put some restrictions on the
target circuit.  Various ICSP programmers differ in these restrictions,
among other things.

> If so, can you help me with directions on web
> where i can find such info ?

http://www.embedinc.com/products and look at the EasyProg.  The full
schematic is available.  This was originally intended as an in-socket as
apposed to in-circuit programmer, but it can program PICs in many target
circuits.  I have only verified that it can program the listed PICs.  I am
working on adding support for more PICs, which should be possible with
software/firmware enhancements only, but again, I haven't looked at
programming specs for parts that are not supported yet.


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