NEC PD78F9488 - Manual (Page 157)

CHAPTER 7 8-BIT TIMERS 50, 60, AND 61
User’s Manual U15331EJ4V1UD
157
Figure 7-28. Operation Timing in PWM Output Mode
(When Both Edges Are Selected) (When CR50 Is Overwritten)
Count clock
CR50
TCE50
INTTM50
TO50
2N + 1
TM50 2N 00H 00H 00H 01H FFH FFH 01H 2N + 1 01H 02H FEH
2N
Overflow Overflow Overflow
Count start
CR50 overwrite
Remark N = 00H to FFH