Terminal card anomaly detection device and method, terminal and readable storage medium
An abnormality detection and terminal technology, applied in error detection/correction, generation of response errors, telephone communication, etc., can solve problems such as inability to recognize terminal cards, user distrust, and cumbersome detection operations.
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no. 1 example
[0066] In order to solve the problem of abnormal reading of the terminal card in the existing solution, the terminal must be disassembled when the fault is detected. The disassembly detection is not only inefficient, difficult and easy to cause damage, but also brings distrust to users. , This embodiment provides a terminal card abnormality detection device. For details, see figure 2 .
[0067] The device includes a card socket S203, a central processing unit S201, a power management chip S202, a level path control element S204, a first data path control element S206, a second data path control element S207, and a data interface S205.
[0068] The device is divided into a power supply module and an abnormality detection module. In the power supply module, the power management chip supplies power to the card socket and the central processing unit; the abnormality detection module is as follows:
[0069] The terminal card is placed on the card socket S203, and some pins of the termina...
no. 2 example
[0075] In order to solve the problem of abnormal reading of the terminal card in the existing solution, the terminal must be disassembled when the problem needs to be detected. The disassembly detection is not only inefficient, difficult and easy to cause damage, but also brings distrust to users. This embodiment provides a terminal card abnormality detection device. In order to better understand the content of this embodiment, the SIM card abnormality detection device is taken as an example for description. For details, see image 3 .
[0076] The SIM card abnormality detection device includes a SIM card socket S303, a central processing unit S301, a power management chip S302, a single-pole four-throw switch S304 with timing function, a first NMOS tube S306, a second NMOS tube S307 and a Type-C male socket S305.
[0077] The SIM card abnormality detection device is divided into a power supply module and an abnormality detection module. In the power supply module, the power manage...
no. 3 example
[0086] In order to solve the problem of abnormal reading of the terminal card in the existing solution, the terminal must be disassembled when the problem needs to be detected. The disassembly detection is not only inefficient, difficult and easy to cause damage, but also brings distrust to users. , This embodiment provides a method for detecting abnormality of a terminal card. For details, see Figure 4 .
[0087] The terminal card abnormality detection method of this embodiment includes:
[0088] S401: The terminal determines that the card recognition fails and receives a control signal;
[0089] S402. The first GPIO port outputs the first potential according to the control signal, and the second GPIO port outputs the second potential according to the control signal;
[0090] S403. The first data path control element and the second data path control element receive the second potential output by the second GPIO port, and turn off the first data path control element and the second da...
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