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  1. FYI: Accessing GPIO6_PSR takes 10 cycles. Getting...

    FYI: Accessing GPIO6_PSR takes 10 cycles. Getting the same info from GPIO1_PSR takes up to 30 cycles - it varies from 27 to 30.

    Pete
  2. You could put together some pins for the second...

    You could put together some pins for the second 16 bits that would minimize the amount of bit manipulation that is required.
    On GPIO7 use bits 0-3 (pins 10,12,11,13), on GPIO9 use bits 4-8 (pins...
  3. I'm at home - here's a fix :) PIN GPIOn-BITm...

    I'm at home - here's a fix :)

    PIN GPIOn-BITm | GPIOn-BITm PIN

    ------------------|-------------------

    00 ->...
  4. @ vjmuzik A minor problem: GIPO in the right...

    @ vjmuzik
    A minor problem: GIPO in the right hand column should be GPIO.

    Pete
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