CHAPTER 7 8-BIT TIMER
Figure 7-24. Operation Timing in PWM Free-Running Mode (When Both Edges Are Selected) (2/2)
(2) When CR50 = Odd number
Count clock
00H
Overflow
2N + 1
FFH
01H
Overflow
FFH
2N + 1
00H
01H
00H
01H
2N + 1
TM50
Overflow
CR50
TCE50
Count start
INTTM50
TO50
Caution When both edges are selected, do not set CR50 to 00H, 01H, and FFH. If the CR50 is set to
these values, PWM output may not be performed normally.
Figure 7-25. Operation Timing in PWM Free-Running Mode
(When Both Edges Are Selected) (When CR50 Is Overwritten)
Count clock
2N + 1
02H
FFH
00H
01H
2N
00H
Overflow
00H
Overflow
TM50
FEH
01H
FFH
01H
Overflow
2N + 1
CR50
2N
TCE50
Count start
INTTM50
TO50
CR50 overwrite
User’s Manual U15075EJ1V0UM00
167
NEC [ NEC ]
