Question

3. A watchdog timer that uses two cascaded 16-bit up-counters is connected to a12 MHz 2 oscillator. A timeout should occur if the function watchdog reset is not called within is minutes. What value should be loaded into the up-counter pair when the function called.

Answer 1

hdon Teset Limer ts not Called wwinln 2 minubes, so watchdea Set w roduca a Caled at loads e Teuk M N and tohn (ourt become 2iros ,the time outïs occure θ. 5oN (FFFF FFFFN TcIK# Number of clock cycles required lo prod«ta z minut-es 12-치 Telk = 2 mintea-- No.of clock cycles myi 2 del N- (235496チ296)。 R4610 The Hex deui mul e uavalut a (28らqq672%.fj loadel into two ltebit Caiaded watch dog mer to fo when fhe Cont teaches oooooooo H ʼ t activates ki 285446 4-21*o in Watch Counter aty"