M38203M4 Datasheet, PDF (119/344 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPLICATION
2.3 Timer X and timer Y
Count period
Count period T(s) = 1 ÷ count source frequency ! (the X counter initial value + 1)
Timer mode operation example
•UF : Underflow
•RL : Reload
•n : The X counter initial value
Timer X stop
control bit
Count
source
Writing “1” Writing “0”
RL
RL
RL
RL Count stop
n16
Count restart
UF
UF
UF
UF
000016
T
Time
Timer X interrupt
request bit
1
1
1
1
Timer X interrupt
enable bit
1 : •Clearing by writing “0” to the timer X interrupt request bit.
•Clearing by accepting the timer X interrupt request when the timer X interrupt enable
bit is “1.”
Fig. 2.3.1 Timer mode operation example
3820 GROUP USER’S MANUAL
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