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Improved performance 5V Arduino Nano/Mega compatible

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--- Quote from: bingo600 on March 17, 2023, 07:37:09 pm ---I just diid a quick

--- Code: ---     do
        digitalWriteFast(PA_0, HIGH);
        digitalWriteFast(PA_0, LOW);
      } while(1);

--- End code ---

And grabbed a scope pict - Some ringing , prob due to the ground clip well ....

Seems like it uses  6 instructions for the "toggle + Loop"


--- End quote ---

Uuuuu, 12MHz and nice flanks, where are the "assembly astronauts"  ::) to optimize this and reach 20MHz :).

Thanks and cheers,


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