;After enabling Watchdog in IDE, perform the following settings ;Note :The only way to modify the content of control registers located between $30 and $36 is ;by double writing access with certain address. 　 lda　　　#(C_WDT_SCKEN+C_WDT_Div_512) 　 sta　　　P_WDT_Ctrl 　 sta　　　P_WDT_Ctrl 　 set　　　P_INT_Flag0,CB_INT_WDIF 　 set　　　P_INT_Ctrl0,CB_INT_WDIE 　 cli

2. Enable Watchdog (also active in STOP mode); Set WDT reset clock rate as 25000Hz/512/8 = 6.1Hz and no WDI occurs.

;After enabling Watchdog in IDE, perform the following settings ;Note :The only way to modify the content of control registers located between $30 and $36 is ;by double writing access with certain address. 　 lda　　　#(C_WDT_SCKEN+C_WDT_Div_512) 　 sta　　　P_WDT_Ctrl 　 sta　　　P_WDT_Ctrl

3. Enable Watchdog (inactive in STOP mode); Set WDI clock rate as 25000Hz/512 = 48.8 Hz and WDT reset clock rate as 25000Hz/512/8 = 6.1Hz, that is, the watchdog will reset when the eighth WDI occurs.

; After enabling Watchdog in IDE, perform the following settings ;Note :The only way to modify the content of control registers located between $30 and $36 is ;by double writing access with certain address. 　 lda　　　#C_WDT_Div_512 　 sta　　　P_WDT_Ctrl 　 sta　　　P_WDT_Ctrl 　 set　　　P_INT_Flag0,CB_INT_WDIF 　 set　　　P_INT_Ctrl0,CB_INT_WDIE 　 cli

4. Enable Watchdog (inactive in STOP mode); Set WDT reset clock rate as 25000Hz/512/8 = 6.1Hz and no WDI occurs.

;After enabling Watchdog in IDE, perform the following settings ;Note :The only way to modify the content of control registers located between $30 and $36 is ;by double writing access with certain address. 　 lda　　　#C_WDT_Div_512 　 sta　　　P_WDT_Ctrl 　 sta　　　P_WDT_Ctrl