The following is an example of Watchdog trigger time Min, Typ, and Max by CDLY capacity. Refer to "2. Release delay time and monitoring time adjustment capacitor (CDLY)" in "? Selection of External Parts" for the details on datasheet. The parameters used in the calculation are tWI,tr and CDLY. tWI,tr Min, Typ, and Max are listed in ? Electrical Characteristics 3. Watchdog timer block Substitute Min, Typ, and Max into the expression.