NEC UPD703116 User Manual page 406

Count clock
Count up
TM4 clear
TM4 FFFFH
CM4
Match detection
(INTCM4)
Overflow
Interval time = (FFFFH + 2) × Count clock cycle
Remark
406
CHAPTER 9 TIMER/COUNTER FUNCTION
Figure 9-104. TM4 Compare Operation Example (2/2)
(b) When CM4 is set to 0
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Clear
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