Re: [avr-gcc-list] Question about gcc preprocessing and port/pinassignments

[David Breeze]

George Kalovyrnas wrote:

>I know that it is rare to use a single port pin as input and output, but 
>there are cases that this could happen (I know it happened to me). The 
>optimization would lead to disaster.

Not as rare as you might think, The Dallas "One Pin" devices are a case in 
point.  I/O and power on one pin.  (Used for unique ident devices and some 
serial memory devices).

David Breeze

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