piclist 2003\02\22\064722a >
Thread: Pin won't turn off properly
face BY : David Duffy email (remove spam text)

Russell wrote:
>     Why you should NEVER use read-modify-write on an SX or rely on port
> > I think it's fair to say that adding NOPs is "a" solution. If you look at
> > the first 3 pictures here
> >
> > http://home.clear.net.nz/pages/joecolquitt/sx_pins2.html
>No (alas) - it's only fair to say that adding NOPs is a "solution" 'in this
>ie not in every case.

I don't think Jinx was saying that it was a solution for ALL cases.

{Quote hidden}

Huh? You just said "This is very bad practice but will work".
In this case, the designer gets a bad result because of a bad design.
That's not the fault of the micro at all - it's the designers fault.

{Quote hidden}

The shadow port is unnecessary in this case IF the designed did their job.
Fixing "faulty" code this way (in this case) is just avoiding the cause.

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(like ads or off topics) for you. See http://www.piclist.com/#topics

In reply to: <026c01c2da5e$b9e57980$2301a8c0@Paradise>
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Subject (change) Pin won't turn off properly

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