µPD75036
5.4 BASIC INTERVAL TIMER
The basic interval timer provides the following functions:
• Interval timer operation that generates a reference time interrupt
• Application of watchdog timer for detecting program crashes
• Selection of a wait time for releasing the standby mode, and counting
• Reading the count value
Fig. 5-3 Configuration of the Basic Interval Timer
From the clock
generator
fX/25
fX/27
fX/29
fX/212
MPX
Clear signal
Clear signal
Basic interval timer
(8-bit frequency divider circuit)
BT
Set
signal
BT interrupt
request flag
IRQBT
Vectored
interrupt
request
signal
3
BTM3 BTM2 BTM1 BTM0 BTM
SET1Note
4
8
Internal bus
Wait release
signal for standby
release
Note Instruction execution
20