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If the WDT oscillator clock of the HT48XA3 is selected how is the WDT timing calculated?

April 26, 2017calculated clock ht48xa3 oscillator Selected timing wdt

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If the WDT oscillator clock of the HT48XA3 is selected how is the WDT timing calculated?

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Answer The WDT oscillator at an operating voltage of 3V has a typical period of 23ms. (Range of 11.5ms~46ms). The watchdog time is calculated from the formula: WDT period x 2(WS2~WS0). For example if WS2~WS0 = 7H then the watchdog time will range from 11.5 ms x 27=1.47 sec to 46 ms x 27=5.9 sec.