R01UH0092EJ0110 Rev.1.10
Page 227 of 807
Jul 31, 2012
M16C/64C Group
15. Watchdog Timer
15.2.3
Watchdog Timer Refresh Register (WDTR)
After the watchdog timer interrupt occurs, refresh the watchdog timer by setting the WDTR register.
15.2.4
Watchdog Timer Start Register (WDTS)
The WDTS register is enabled when the WDTON bit in the OFS1 address is 1 (watchdog timer is in a
stopped state after reset).
b7
Watchdog Timer Refresh Register
Symbol
WDTR
Address
037Dh
RW
Reset Value
XXh
b0
Function
Setting 00h and then FFh refreshes the watchdog timer.
WO
b7
Watchdog Timer Start Register
Symbol
WDTS
Address
037Eh
RW
Reset Value
XXh
b0
Function
The watchdog timer starts counting after a write instruction to this register.
WO
Содержание M16C Series
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