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2.2.12 Precautions for Timer A (timer mode)
(1) To clear reset, the count start flag is set to "0". Set a value in the timer Ai register, then set the
flag to "1".
(2) Reading the timer Ai register while a count is in progress allows reading, with arbitrary timing,
the value of the counter. Reading the timer Ai register with the reload timing shown in Figure
2.2.28 gets "FFFF
ter with a count halted but before the counter starts counting gets a proper value.
Counter value (Hex.)
Read value (Hex.)
Figure 2.2.28. Reading timer Ai register
Rev.2.00 Oct 16, 2006
REJ09B0340-0200
". Reading the timer Ai register after setting a value in the timer Ai regis-
16
n = reload register content
page 34 of 354
Reload
2
1
0
2
1
0
FFFF
n
n – 1
n – 1
Time
2. Timer A
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