Method and apparatus for detecting insertion of SIM card in a portable terminal

摘要

A method and apparatus for detecting insertion of a Subscriber Identity Module (SIM) card in a portable terminal (100) are provided, in which a SIM card (310) is inserted into a SIM card connector (40), and a controller (10) continuously supplies an operating voltage to a predetermined pin of the SIM card connector, determines whether a voltage level of the predetermined pin of the SIM card connector changes in a predetermined pattern, and determines that the SIM card has been inserted into the SIM card connector if the voltage level of the predetermined pin of the SIM card connector changes in the predetermined pattern.