| 摘要 |
Method for detecting a connection of a peripheral device (230) to a communication interface (2, 3, 5, 8) of an electronic device (10) and associated detection circuit (8, 200); the communication interface comprising a voltage power line (V_BUS) for the power supply of a peripheral device, a range of nominal operating voltage values being associated with the power line, the method being characterised in that it comprises steps of application of a nominal voltage (S4) comprised in the range of nominal operating voltage values to the power line, of withdrawal of the nominal operating voltage (1) applied to the power line (V_BUS), of detection (S2), on the power line, in the present of a residual voltage less than a threshold value of the nominal voltage value, of a transient signal resulting from the connection of the peripheral device (230) to the interface, and of application of the nominal voltage to the voltage power line, according to the transient signal detected. |
