llile@SALTONUSA.COM wrote :

> Thus you can tell a pin to go to zero, immediately read it, it is
> read as zero,...

No, the RMW problem is that it could be read as a "one", if something
is still holding it high, such as a capacitive load, even if you atualy
told it to go "low". This is of course only true *if* the pin actualy
was high before written low...

Jan-Erik.

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