CHAPTER 6 16-BIT TIMER/EVENT COUNTER
139
User’s Manual U11302EJ4V0UM
Figure 6-14. Configuration Diagram for Pulse Width Measurement in Free-Running Mode
Figure 6-15. Timing of Pulse Width Measurement Operation in Free-Running Mode
(with Both Edges Specified)
16-bit timer register (TM0)
f
X
f
X
/2
f
X
/2
2
f
X
/2
3
OVF0
Selector
TI0/P00/INTP0
16-bit capture
register (CR01)
INTP0
Internal bus
t
Count clock
TM0 count value
TI0 pin input
CR01 captured value
INTP0
OVF0
0000
0001
D0
D1
FFFF 0000
D2
D3
D0
D1
D2
D3
(D1 _ D0) x t
(10000H _ D1 + D2) x t
(D3 _ D2) x t