NEC UPD703116 User Manual page 294

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PWM output function
In the general-purpose timer mode, 16-bit resolution PWM output can be output from the TO1n pin.
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Timer clear
The following timer clear operations are performed according to the mode that is used.
(a) General-purpose timer mode: Timer clear operation is possible upon occurrence of match with CM1n0 set
value.
(b) Up/down counter mode: The timer clear operation can be selected from among the following four
conditions.
(i) Timer clear performed upon occurrence of match with CM1n0 set value during TM1n up-count
operation, and timer clear performed upon occurrence of match with CM1n1 set value during TM1n
down-count operation.
(ii) Timer clear performed only by external input.
(iii) Timer clear performed upon occurrence of match between TM1n count value and CM1n0 set value.
(iv) Timer clear performed upon occurrence of external input and match between TM1n count value and
CM1n0 set value.
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External pulse output (TO1n): 1 × 2 channels
Remark f : Internal system clock
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n = 0, 1
294
CHAPTER 9 TIMER/COUNTER FUNCTION
User's Manual U14492EJ5V0UD