| 摘要 |
A method and apparatus is provided for power conservation of a hardware module ( 142 ) which is coupleable to a portable electronic device ( 100 ). The hardware module ( 142 ) has unique identification information associated therewith and stored therein. The unique identification information is provided periodically ( 308 ) to the portable electronic device ( 100 ) and stored therein ( 207 ). To conserve power, the portable electronic device ( 100 ) sends a power-down notice ( 212 ) to the hardware module ( 142 ), the module controller ( 144 ) stores current state information of the hardware module ( 142 ) in a non-volatile memory ( 146 ) thereof, and the hardware module ( 142 ) is powered off ( 214 ).
|
