> I do have other chips available including some 18F1320 that are used in
> other applications. Just thought would be a good use for these little 8
> pin packages.

You would need one of the older OTP capable programmers, like the=20
picstart2. The difference between the old (C) chips and the newer (F) is=20
that with the C chips the programming current was provided by the higher=20
voltage on MCLR pin. With the newer (F) chips this pin still requires a=20
higher voltage, but it is high impedance, the current is drawn from the=20
normal power pin.

Unless you have a very large supply of these 12C671 chips (and probably=20
even then) I think you'd be better off with a pickit2/3 and a modern 8=20
(or 6) pin chip like the 10F322 or 12F615 (or a whole range of others).

--=20

Wouter van Ooijen

-- -------------------------------------------
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consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
C++ on uC blog: http://www.voti.nl/erblog

--=20
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