Datasheet

Section 15 Watchdog Timer
(WDT1 is not available in the H8S/2695)
R01UH0166EJ0600 Rev. 6.00 Page 705 of 1434
Mar 02, 2011
H8S/2633 Group, H8S/2633 F-ZTAT
TM
,
H8S/2633R F-ZTAT
TM
, H8S/2695
Overflow
Interrupt
control
Reset
control
WOVI1
(Interrupt request signal)
BUZZ
Internal reset signal*
TCNT TCSR
φ/2
φ/64
φ/128
φ/512
φ/2048
φ/8192
φ/32768
φ/131072
Clock
Clock
select
Internal clock
Bus
interface
Internal bus
Module bus
TCSR:
TCNT:
Note: * An internal reset signal can be generated by setting the register.
The reset thus generated is a power-on reset.
This function is not available in the H8S/2695.
Timer control/status register
Timer counter
WDT
Legend:
Internal NMI
Interrupt request signal
φSUB/2
φSUB/4
φSUB/8
φSUB/16
φSUB/32
φSUB/64
φSUB/128
φSUB/256
Figure 15.1 (b) Block Diagram of WDT1