M38203M4 Datasheet, PDF (127/344 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPLICATION
2.3 Timer X and timer Y
Timer mode operation example with real time port function
•UF : Underflow
•RL : Reload
•n : The X counter initial value
Timer X stop
control bit
Count
source
RL
RL
RL
n16
UF
UF
UF
RL
UF
000016
1
Real time port
control bit
Bit 2 of timer X
mode register
Rewrite
Rewrite
Time
P60/INT3/RTP0 pin
Programmable
I/O port
Bit 3 of timer X
mode register
Rewrite
Rewrite
Rewrite
P61/RTP1 pin
Programmable
I/O port
1 : In the case that following are set immediately after reset release, “0” is output
from pins P60/INT3/RTP0 and P62/RTP1.
•Set ports P60 and P61 for the output mode.
•Set the real time port control bit to “1.”
Fig. 2.3.5 Timer mode operation example with real time port function
3820 GROUP USER’S MANUAL
2–41