NEC V850E/IA1 mPD703116 User Manual page 331

CHAPTER 9 TIMER/COUNTER FUNCTION (REAL-TIME PULSE UNIT)
(2) Clearing of count value upon occurrence of compare match
The internal operation during TM1n clear operation upon occurrence of a compare match is as follows.
Figure 9-58. Count Value Clear Operation upon Compare Match
(rising edge set as valid edge)
Caution The operations at the next count clock after the count value of TM1n and the CM1n0 set value
match are as follows.
• In case of up count: Clear operation is performed.
• • • • In case of down count: Clear operation is not performed.
Remarks 1. n = 0, 1
2. Items between parentheses in the above figure apply to down count operation.
(Not clear TM1n)
Count clock
TM1n FFFEH FFFFH
CM1n0
Up count
User's Manual U14492EJ3V0UD
Clear TM1n
0000H 0001H
(FFFEH) (FFFDH)
FFFFH
Up count
(Down count)
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