NEC mPD780973 Series Preliminary User's Manual page 130

CHAPTER 9 8-BIT TIMER/EVENT COUNTERS 2, 3 TM2, TM3
(a) PWM output basic operation
(i) Basic operation (active level = H)
Count clock
TMn 00H 01H
CRn
N
TCEn
INTTMn
TIOn
(ii) CRn = 0
Count clock
TMn 00H 01H
CRn 00H
TCEn
INTTMn
TIOn
Inactive level
(iii) CRn = FFH
TMn
00H 01H
CRn
FFH
TCEn
INTTMn
TIOn
Inactive level
n = 2, 3
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Figure 9-8. PWM Output Operation Timing
FFH 00H 01H 02H N N+1
Active level
FFH 00H 01H 02H N N+1
FFH 00H 01H 02H N N+1
Active level
FFH 00H 01H 02H
Inactive level Active level
N+2 FFH 00H 01H 02H
N+2 FFH 00H 01H 02H
Active level
Inactive level
M 00H
M 00H
Inactive level
M 00H
Inactive level