On Thu, 13 Aug 1998 09:18:47 -0400 John Haggins <jawg@EARTHLINK.NET>
writes:
>As a beginner, it took me a while to figure out that all UNUSED i/o
>lines
>MUST be tied to the power supply  (CMOS rule - all inputs must go
>somewhere). For weeks I was getting intermittent results because I
>didn't
>know this rule.
>

        An alternative is to leave these pins open and program them as
outputs.  This lets you change your mind later and use these pins without
having to remove wiring.


Harold




Harold Hallikainen
harold@hallikainen.com
Hallikainen & Friends, Inc.
See the FCC Rules at http://hallikainen.com/FccRules and comments filed
in LPFM proceeding at http://hallikainen.com/lpfm

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