Abstract: The present invention provides a sensing circuit, for sensing a working status of a real-time clock (RTC) module, comprising a comparator module, coupled to the real-time clock module, for receiving an initial voltage of the real-time clock module, and comparing the initial voltage with a threshold voltage, to generate a comparison result; and a storage module, coupled to the comparator module, for storing the comparison result and delivering the comparison result to a host circuit; wherein the host circuit determines whether the working status of the real-time clock module is normal or abnormal according to the comparison result.

Abstract: The present invention provides a sensing circuit, for sensing a working status of a real-time clock (RTC) module, comprising a comparator module, coupled to the real-time clock module, for receiving an initial voltage of the real-time clock module, and comparing the initial voltage with a threshold voltage, to generate a comparison result; and a storage module, coupled to the comparator module, for storing the comparison result and delivering the comparison result to a host circuit; wherein the host circuit determines whether the working status of the real-time clock module is normal or abnormal according to the comparison result.

Abstract: A circuit for strengthening load transient response compensation is provided, including a comparator, a first MOSFET and a second MOSFET. The comparator compares a system voltage of an electronic device with a reference voltage. The first MOSFET is coupled to the comparator and a first power supply. The second MOSFET is coupled to the comparator and a second power supply of the electronic device. When an external device is connected to the electronic device such that the system voltage is lower than the reference voltage, the comparator outputs a low-level signal and the first MOSFET becomes conductive, so that the external device is powered by the first power supply.