Circuit structure and method for realizing data parsing of SIM/USIM ((Subscriber Identity Module/Universal Subscriber Identity Module) card in digital baseband communication chip
A digital baseband and communication chip technology, applied in the field of circuit structure to realize SIM/USIM card data analysis, can solve the problems of prolonging the research and development cycle, increasing the risk of research and development failure, and increasing the cost of research and development, so as to achieve a wide range of applications and broaden Analyze the solution and save R&D time
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[0095] In order to understand the technical content of the present invention more clearly, the following examples are given in detail.
[0096] see figure 1 As shown, the circuit structure for implementing SIM / USIM card data analysis in the digital baseband communication chip includes:
[0097] (1) processor module, read and write the register of storage space module and other each module, control each module function, and receive the interrupt signal that each module produces; Described processor module is ARM processor;
[0098] (2) data access module, the data in the state register of input-output module is carried in the data storage space module; Described data access module is DMA controller;
[0099] (3) a data storage space module, which stores data and provides data read and write access for the processor module or data access module;
[0100] (4) data input and output module, receive the control signal of described processor module or data access module, provide c...
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