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Rev. 5.00, 09/03, page 406 of 760
12.5 Usage Notes
12.5.1 Writing to Registers
Synchronization processing is not performed for timer counting during register writes. When
writing to registers, always clear the appropriate start bits for the channel (STR2–STR0) in the
timer start register (TSTR) to halt timer counting.
12.5.2 Reading Registers
Synchronization processing is performed for timer counting during register reads. When timer
counting and register read processing are performed simultaneously, the register value before
TCNT counting down (with synchronization processing) is read.