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What happens if the data write overlaps with underflow using R1 or R3H ?

Latest Updated:08/09/2007

Question:

(Timer)  There is a note stating, "When writing data to each reload register R1 or R3H of timer 1 or timer 3 while timer 1 or timer 3 is operating, avoid a timing when timer 1 or timer 3 underflows." What happens if the data write overlaps with underflow? [2007/08/09]

Answer:

Timer as well as reload register values may be undefined. (#106681)
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