Patent ID: 8989801
Filing Date: 2015-03-24
Classification: G06F,H04M

Abstract:
1. A mobile phone, comprising: at least two keys; a baseband chip comprising at least two first ports, at least two second ports and an interrupt port, wherein each of said first ports outputs a first level signal and is correspondingly connected with one end of one of said keys, wherein each of said second ports outputs a second level signal and is correspondingly connected with another end of the one of said keys; a resistor, wherein one end of said resistor is connected with said interrupt port, and another end of the resistor is connected with a reference level, wherein said interrupt port generates an interrupt upon a receipt of said reference level; at least two diodes, wherein an anode of one of said diodes is connected between one of said first ports and the corresponding key of the one of said first ports, and a cathode of the one of said diodes is connected between the interrupt port and the resistor, wherein said diodes are conducted the action of both the first level signal and the reference level, and are cut off by both the second level signal and the reference level.