A detection method, electronic equipment and computer storage medium of a SIM card
A detection method and technology of electronic equipment, applied in electrical components, transmission monitoring, transmission systems, etc., can solve problems such as waste of pin resources, and achieve the effects of improving detection speed, improving experience, and strong scalability
Active Publication Date: 2021-08-31
HUIZHOU TCL MOBILE COMM CO LTD
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Problems solved by technology
[0003] For the convenience of users, current mobile terminals support dual SIM cards, and even three SIM cards and four SIM cards work at the same time. However, since each SIM card uses an independent physical interface in the mobile terminal, processing The number of pins used for SIM card detection in the device needs to be determined by the number of SIM cards inserted into the mobile terminal, that is, how many SIM card applications the mobile terminal supports, and accordingly its processor needs to allocate how many SIM cards in principle. One pin is used for the detection of the SIM card, so too many pins need to be configured in the mobile terminal for the detection of the SIM card, resulting in a waste of pin resources
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[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.
[0027] refer to figure 1 , figure 1 It is a schematic flow chart of the first embodiment of the detection method for the SIM card of the present application, and this embodiment includes the following steps:
[0028] S110: The input and output port pins of the processor are connected to the output pins of the SIM card module, wherein the SIM card module currently accommodates at least one SIM card, and each SIM card has a unique identification numb...
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The application discloses a detection method of a SIM card, an electronic device and a computer storage medium. The detection method includes: the input and output port pins of the processor are connected to the output pins of the SIM card module, wherein the SIM card module currently accommodates There is at least one SIM card, and each SIM card has a unique identification number; the processor receives the characteristic information of the number sent by the SIM card module through its input and output port pins, wherein the number includes the identification number of the SIM card; The level status on the pins of the input and output ports is used to identify the number, thereby determining the presence status of each SIM card currently accommodated by the SIM card module. Through the above method, the application can connect the output pin of the SIM card module inserted into the host end through an input and output port pin in the host end processor, so that the host end supports the application of multiple SIM cards, so as to save host end processing The pin resource of the device improves the detection speed of the SIM card and has strong scalability.
Description
technical field [0001] The present application relates to the technical field of SIM card detection, in particular to a SIM card detection method, electronic equipment and computer storage medium. Background technique [0002] Now, SIM (Subscriber Identity Module, Customer Identification Module) card pluggable detection technology has been widely used in various mobile terminals, and various SIM cards can be compatible with each other in mobile terminals, put the SIM card into any It can be effectively used in mobile terminals with card interface. [0003] For the convenience of users, current mobile terminals support dual SIM cards, and even three SIM cards and four SIM cards work at the same time. However, since each SIM card uses an independent physical interface in the mobile terminal, processing The number of pins used for SIM card detection in the device needs to be determined by the number of SIM cards inserted into the mobile terminal, that is, how many SIM card app...
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IPC IPC(8): H04B1/3816H04B17/00
CPCH04B1/3816H04B17/00
Inventor 俞斌杨维琴
Owner HUIZHOU TCL MOBILE COMM CO LTD