POWER SAVING OPERATING METHOD FOR AND ELECTRONIC DEVICE

摘要

A power-saving operating method for an electronic device is provided. A control chip of the electronic device has an interrupt pin, and the electronic device couples to a touch device through a connection port and the interrupt pin. When the touch device is idle for over an idle time, a BIOS is informed through the interrupt pin to disable the connection port. When a number of touch signals received from the touch device within a first predetermined time is not less than a first predetermined amount, the connection port is enabled. When the number of the touch signals received from the touch device within the first predetermined time is less than the first predetermined amount or none of the touch signal is received within the first predetermined time, a reading operation for reading the connection port is interrupted and the touch device enters a power-saving mode.

主权项

1. A power-saving operating method for an electronic device having a processor, a control chip and a connection port, wherein the control chip further comprises an interrupt pin, the electronic device couples to a touch device through the connection port and the interrupt pin, and the control chip couples to the connection port, the method comprises:
informing a basic input/output system through the interrupt pin of the control chip by the touch device to disable the connection port when the touch device is idle for over an idle time; determining whether the processor receives at least a touch signal from the touch device within a first predetermined time; enabling the connection port when a number of the at least touch signal from the touch device received by the processor within the first predetermined time is not less than a first predetermined amount; and interrupting a reading operation for reading the connection port and making the touch device enter a power-saving mode when the number of the at least touch signal from the touch device received by the processor within the first predetermined time is less than the first predetermined amount or none of the at least signal is received within the first predetermined time.