John Payson <PICLIST@MITVMA.MIT.EDU> wrote:

> The 16C54 requires that you control--literally--all of its pins
> during programming (well, Vss remains grounded, but...)  One person
> has posted on the list that they in fact designed a circuit which
> would allow ISP'ing the 54 even under those conditions,....

    That was me.

> .... but I doubt such a thing would usually be practical.

    You're correct... The method I came up with isn't suited for
    general-purpose programming at all.  If in-circuit programming
    is required, I'd recommend staying away from the 16C5x parts.

    -Andy

=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - Vista, California
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