| 摘要 |
A control circuit including a first control unit, controlling a logic circuit, connected between a power supply and a virtual ground, the control unit connecting the virtual ground to a ground in response to a mode control signal when the logic circuit operates in an active mode and disconnecting the virtual ground from the ground in response to the mode control signal when the logic circuit operates in a sleep mode. A method of controlling including connecting the logic circuit between a power supply and a virtual ground, connecting the virtual ground to a ground in response to a mode control signal when the logic circuit operates in an active mode, and disconnecting the virtual ground from the ground in response to the mode control signal when the logic circuit operates in a sleep mode.
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