Operation Timing In Pwm Output Mode (When Both Edges Are Selected) - NEC PD789488 User Manual

Figure 7-27. Operation Timing in PWM Output Mode (When Both Edges Are Selected)
(1) CR50 = Even number
Count clock
TM50 00H 01H
Overflow
CR50
TCE50
Count start
INTTM50
TO50
(2) When CR50 = Odd number
Count clock
TM50 00H 01H
Overflow
CR50
TCE50
Count start
INTTM50
TO50
Caution When both edges are selected, do not set CR50 to 00H, 01H, and FFH. If CR50 is set to these
values, PWM output may not be performed normally.
Remark N = 00H to FFH
156
CHAPTER 7 8-BIT TIMERS 50, 60, AND 61
FEH
02H 2N
FFH
2N + 1
User's Manual U15331EJ4V1UD
FFH 00H 02H
01H
Overflow
2N
00H 01H 2N + 1
Overflow
2N + 1
2N FFH
FEH
FFH 00H 01H
Overflow