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CHAPTER 8 16-BIT TIMER/EVENT COUNTER
User’s Manual U12697EJ3V0UM
Figure 8-7. Configuration of Interval Timer
f
XX
/4
f
XX
/16
INTTM3
TI00/P35
Selector
16-bit capture/compare
register 00 (CR00)
16-bit timer counter 0 (TM0)
OVF0
Clear circuit
INTTM00
Figure 8-8. Timing of Interval Timer Operation
Count starts
Clear
Clear
Interrupt acknowledgement
Interrupt acknowledgement
t
0000
0001
N
0000
0001
N
0000
0001
N
N
N
N
N
Interval time
Interval time
Interval time
Count clock
TM0 count value
CR00
INTTM00
TO0
Remark
Interval time = (N + 1)
×
t: N = 0001H to FFFFH