UPD784938 Datasheet, PDF (229/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 9 TIMER/EVENT COUNTER 0
Figure 9-9. Clear Operation when CE0 Bit is Cleared (0)
(a) Basic operation
Count clock
TM0
n-1
n
0
CE0
(b) Restart before count clock input after clearance
Count clock
TM0
n-1
n
0
0
1
2
CE0
If the CE0 bit is set (to 1) before this count clock, the count starts from 0 on the count clock.
(c) Restart after count clock input after clearance
Count clock
TM0
n-1
n
0
0
0
1
CE0
If the CE0 bit is set (to 1) from this count clock onward, the count starts from 0
on the count clock after the CE0 bit is set (to 1).
Preliminary User’s Manual U13987EJ1V0UM00
229