| 摘要 |
<p>A method of providing electrical power to an integrated circuit (120) operable in an active mode and an inactive mode, the method comprising: providing a first circuit (113) for supplying electrical power from a power source to the integrated circuit in the inactive mode; providing a second circuit (112) for supplying electrical power from the power source to the integrated circuit in the active mode; supplying electrical power to the integrated circuit from the first circuit when the integrated circuit is in the inactive mode; and selecting the second circuit to supply electrical power to the integrated circuit in the inactive mode in place of the first electrical circuit when the efficiency of supplying power from the second circuit exceeds that of the first circuit.</p> |
