CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
Preliminary User’s Manual U16846EJ1V0UD
125
Figure 6-21. Timing of Pulse Width Measurement Operation with Free-Running Counter
(with Both Edges Specified)
t
0000H
0000H
FFFFH
0001H
D0
D0
TI010 pin input
CR000 capture value
INTTM010
INTTM000
OVF00
(D1 – D0)
×
t
(D3 – D2)
×
t
(10000H – D1 + D2)
×
t
(10000H – D1 + (D2 + 1))
×
t
D1
D2 + 1
D1
D2
D2
D3
D0 + 1
D1
D1 + 1
D2 + 1 D2 + 2
Count clock
TM00 count value
TI000 pin input
CR010 capture value
Note
Note Clear OVF00 by software.