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M16C/62P Group (M16C/62P, M16C/62PT)
24.8.2 Timer B
24.8.2.1 Timer B (Timer Mode)
The timer remains idle after reset. Set the mode, count source, counter value, etc. using the TBiMR (i
= 0 to 5) register and TBi register before setting the TBiS bit in the TABSR or the TBSR register to "1"
(count starts).
Always make sure the TBiMR register is modified while the TBiS bit remains "0" (count stops) regard-
less whether after reset or not.
A value of a counter, while counting, can be read in TBi register at any time. "FFFFh" is read while
reloading. Setting value is read between setting values in TBi register at count stop and starting a
counter.
R
e
. v
2
3 .
0
S
e
p
0
, 1
2
0
0
4
R
E
J
0
9
B
0
1
8
5
0 -
2
3
0
Z
page 340
f o
3
6
4
24. Usage Precaution
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