ML610Q174 User’s ManualChapter 9 Watchdog TimerFEUL610Q174-01 9-39.2.2 Watchdog Timer Control Register（WDTCON）Address：0F00EHAccess：WAccess size：8 bitsInitial value：00H7 6 5 4 3 2 1 0WDTCON d7 d6 d5 d4 d3 d2 d1 WDP/d0R/W R/W R/W R/W R/W R/W R/W R/W R/WInitial value 0 0 0 0 0 0 0 0WDTCON is a special function register (SFR) to clear the WDT counter.When WDTCON is read, the value of the internal pointer (WDP) is read from bit 0.[Description of Bits]• WDP/d0 （bit 0）The value of the internal pointer (WDP) is read from this bit.WDT is reset to “0” when the system reset and the overflow of the WDT counter, and reverse every writeoperation to WDTCON.• d7～d0 （bits 7～0）This bit is used to write data to clear the WDT counter.WDT counter can be cleared by writing in “5AH”, when an internal pointer is “0”, and then writing in“0A5H”, when WDP is “1”.Note:After the WDT interrupt (WDTINT) occurs, writing to the WDTCON register is disabled for about 15.25us. Therefore,when the WDT cleared , confirm that the WDP is reversed by writing to the WDTCON register.Refer to an example of programing “9.3.1 Handling example when you do not want to use the watch dog timer”.
