A dual-channel mobile terminal with multiplexing flash ROM
A mobile terminal, dual-channel technology, applied in the field of communication, can solve the problems of high hardware cost, large PCB area, occupation, etc., and achieve the effect of reducing hardware cost and saving PCB space
Active Publication Date: 2018-11-20
NUBIA TECHNOLOGY CO LTD
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Problems solved by technology
[0002] Existing dual-channel mobile terminals, such as dual-card dual-standby mobile phones, generally adopt independent circuit architecture, that is, each channel is provided with its own non-volatile flash memory Flash ROM, random access memory RAM and radio frequency circuit, although This architecture has simple circuit design, independent functions, and is also convenient for parallel development, but it occupies a large PCB area and the hardware cost is also high.
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[0031] The technical solution of the present invention will be described in more detail below with reference to the drawings and embodiments.
[0032] A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. In the following description, use of suffixes such as 'module', 'part' or 'unit' for denoting elements is only for facilitating description of the present invention and has no specific meaning by itself. Therefore, "module" and "component" may be used mixedly.
[0033] Mobile terminals may be implemented in various forms. For example, terminals described in the present invention may include devices such as mobile phones, smart phones, notebook computers, digital broadcast receivers, PDAs (Personal Digital Assistants), PADs (Tablet Computers), PMPs (Portable Multimedia Players), navigation devices, etc. mobile terminals and fixed terminals such as digital TVs, desktop computers, etc. In...
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Disclosed is a dual-channel mobile terminal for reusing a Flash ROM, comprising a master processor, a master radio frequency circuit, a non-volatile flash memory Flash ROM, a slave processor and a slave radio frequency circuit, wherein the master processor is respectively connected to the master radio frequency circuit and the Flash ROM, the slave processor is connected to the slave radio frequency circuit, and the master processor and the slave processor are respectively provided with a USB differential signal line pin. The mobile terminal further comprises a communication connection apparatus, and the USB differential signal line pin of the master processor communicates with the USB differential signal line pin of the slave processor by means of the communication connection apparatus such that the master processor establishes a USB connection with the slave processor, and thus the slave processor obtains data relevant to service processing by reusing the Flash ROM of the master processor.
Description
technical field [0001] The invention relates to the field of communication technology, in particular to a dual-channel mobile terminal with multiplexing Flash ROM. Background technique [0002] Existing dual-channel mobile terminals, such as dual-card dual-standby mobile phones, generally adopt independent circuit architecture, that is, each channel is provided with its own non-volatile flash memory Flash ROM, random access memory RAM and radio frequency circuit, although This architecture has simple circuit design, independent functions, and is convenient for parallel development, but it occupies a large PCB area and has high hardware costs. Contents of the invention [0003] In order to solve the above technical problems, the present invention proposes a dual-channel mobile terminal that reuses Flash ROM, aiming at solving the problem of how to reduce the hardware cost of the dual-channel mobile terminal while improving the hardware integration while ensuring the realiza...
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IPC IPC(8): H04B1/401
CPCH04B1/401
Inventor 褚童松
Owner NUBIA TECHNOLOGY CO LTD