NEC mPD780065 Series Preliminary User's Manual page 123

Figure 6-19. Control Register Settings for Pulse Width Measurement by Means of Restart
TMC0 0 0
CRC0 0 0 0
Remark 0/1: Setting 0 or 1 allows another function to be used simultaneously with pulse width measurement.
See Figures 6-2 and 6-3.
Figure 6-20. Timing of Pulse Width Measurement Operation by Means of Restart
(with Rising Edge Specified)
Count clock
TM0 count value
TI00 pin input
CR01 capture value
CR00 capture value
INTTM01
CHAPTER 6 16-BIT TIMER/EVENT COUNTER
(a) 16-bit timer mode control register 0 (TMC0)
TMC03 TMC02 TMC01
0 0 1 0 0/1
(b) Capture/compare control register 0 (CRC0)
CRC02 CRC01 CRC00
0 0 1 1 1
t
0000H 0001H D0
Preliminary User's Manual U13420EJ2V0UM00
OVF0
0
Clears and starts at valid edge of TI00/TO0/P20 pin.
CR00 as capture register
Captures to CR00 at edge reverse to valid edge of TI00/TO0/P20.
CR01 as capture register
0000H 0001H D1 D2
D0
D1
D1 × t
D2 × t
0000H 0001H
D2
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