A valid write to the scratchpad will clear the PF bit.
We have various products, made up with discretionary some of writing case, straight ruler, package rulers, bow compass, pencil, ball pen, liquid pen, eraser, pencil plane, solid glue, accumulator watch, scratchpad, small scissors, book clip, etc., with novel design.
In addition, the scratchpad provides access to the 1-byte upper and lower alarm trigger registers.
