NEC 78K0S/KA1+ User Manual page 101

Caution The measurable pulse width in this operation example is up to 1 cycle of the timer counter.
Figure 6-21. Control Register Settings for Measurement of Two Pulse Widths with Free-Running Counter
7 6 5
CRC00 0 0 0
ES110 ES100 ES010
PRM00 1 1 1
7 6 5
TMC00 0 0 0
Remark 0/1: Setting 0 or 1 allows another function to be used simultaneously with pulse width measurement.
See the description of the respective control registers for details.
CHAPTER 6 16-BIT TIMER/EVENT COUNTER 00
(a) Capture/compare control register 00 (CRC00)
4 3 CRC002 CRC001 CRC000
0 0 1 0
(b) Prescaler mode register 00 (PRM00)
ES000 3 2 PRM001 PRM000
1 0 0 0/1
(c) 16-bit timer mode control register 00 (TMC00)
4 TMC003 TMC002 TMC001 OVF00
0 0 1 0/1
User's Manual U16898EJ3V0UD
1
CR000 used as capture register
Captures valid edge of TI010 pin to CR000.
CR010 used as capture register
0/1
Selects count clock (setting "11" is prohibited).
Specifies both edges for pulse width detection.
Specifies both edges for pulse width detection.
0
Free-running mode
101