Fujitsu FR81S Manuale Utente
CHAPTER 21: 32-BIT FREE-RUN TIMER
5. Operation
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER
: 32-BIT FREE-RUN TIMER
FUJITSU SEMICONDUCTOR CONFIDENTIAL
29
5.1.3. Timer Clear
This section shows timer clear.
The count value of the free-run timer will be cleared in any of the followings:
⋅
When there is a match with the compare clear register
⋅
When "1" is written to the SCLR bit of the TCCSL register while it is in operation
⋅
When "0000_0000
H
" is written to the TCDT register while it is in stop
⋅
When it has been reset.
The counter will be cleared as soon as it has been reset. When there is a match with the compare clear register,
the counter will be cleared in synchronization with the count timing.
Figure 5-2 Clear Timing of the Free-run Timer
Compare clear
register value
N
Compare match
Count value
N
00000000
H
φ
MB91520 Series
MN705-00010-1v0-E
824