> 1. There are some programmer(hardware) that say that it can program either
> 16c84 and 16f84 or even both. So can i safely assume that both of the chip
> are the same? meaning if i found a very simple programmer that says that
it
> can program a 16c84 but says nothing on 16f84, can i actually used it for
> 16f84? ( and vice versa?)

I don't know, but do you really want to get a programmer that only does some
of the chips?  I recommend you just get the PicstartPlus.  It's not
expensive and it covers the whole product line.  Since it's supported by
Microchip, upgrades will be available as new chips are released.

Some others on this list will probably disagree with this, but I see no
point in these "free" do it yourself programmer designs availble on the web.
By the time you order the parts, pay for them, build it, and debug it, it
will have cost a lot more than a PicstartPlus.  And then you'll still have
to worry about whether it will do the chip for your next project, or the
chip coming out next quarter.  For some reason people seem to have an
amazing capacity to be penny-wise and pound-foolish.


*****************************************************************
Olin Lathrop, embedded systems consultant in Devens Massachusetts
(978) 772-3129, olin@cognivis.com, http://www.cognivis.com

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