M38002M4 Datasheet, PDF (61/173 Pages) Mitsubishi Electric Semiconductor – 8-BIT SINGLE-CHIP MICROCOMPUTER

APPLICATION
2.2 Timer
Timer XY mode register (Address : 2316)
b7
b0
TM
1 00
Timer X operating mode bits : Timer mode
Timer X count stop bit : Count stop
Set to “0” at starting to count.
Prescaler X (Address : 2416)
b7
b0
PREX
255
Timer X (Address:2516)
b7
b0
TX
255
Set “division ratio – 1”
Interrupt control register 1 (Address : 3E16)
b7
b0
ICON1
1
Timer X interrupt enable bit : Interrupt enabled
Interrupt request register 1 (Address : 3C16)
b7
b0
IREQ1
0
Timer X interrupt request bit
(becomes “1” every 250 ms)
Fig. 2.2.11 Setting of related registers [Clock function]
3800 GROUP USER’S MANUAL
2-13