Cell-phone USB main system

A mobile phone and main system technology, applied in the direction of electrical digital data processing, instruments, etc., can solve the problems that restrict the development of mobile phone technology, and achieve the effect of small size, easy to carry, and simple to use

Inactive Publication Date: 2007-01-17
尹广宇
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This problem has obviously become a bottleneck restricting the development of mobile phone technology.

Method used

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  • Cell-phone USB main system

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Embodiment Construction

[0010] Accompanying drawing is the embodiment that the module of the present invention is placed outside the mobile phone. The whole device is made up of IC1, IC2, IC3, IC4 and USB downlink interface. Mobile phone and computer are connected with the module of the present invention through data lines. Suppose to be connected with the system through the USB downstream interface; the battery supplies power to the system; the module of the present invention can also be installed in the mobile phone, and the module is connected with the relevant interface in the mobile phone through a plug connector, or the module is directly designed on the mobile phone circuit board, and then Connect with other "IT" equipment or computers via USB interface.

[0011] When in use, when the relevant interface of the module is connected with the mobile phone, the microprocessor IC1 automatically controls the data switcher, and connects the data link with an external USB device or computer; then some c...

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Abstract

A USB host system is featured as forming Demo core of embedded USB host system by monolithic computer with CPU internal core and USB host interface chip; setting up external extension bus for I/O interface of CPU core chip on embedded USB host and connecting it to embedded USB interface chip in communication mode, forming said bus by data signal line, read /write signal line, etc; supporting USB protocol by embedded USB interface chip in order to provide full-speed and low-speed mode of USB bus speed by utilizing SIE, concentrator HUB, flash buffer, selection circuit and so on.

Description

technical field [0001] The utility model relates to a mobile phone USB main system, which is used for "IT" peripherals with a USB interface or a device for exchanging data between a computer and a mobile phone, and belongs to the technical field of information equipment. technical background [0002] The development and use of mobile phones (hereinafter referred to as mobile phones) has brought great convenience to people's life and work. Today's mobile phones can not only make calls, but also surf the Internet, send text messages, send and receive emails, fax, take photos, Listen to MP3, play games and other multimedia applications. However, no matter how the functions of the mobile phone are developed, the interaction between the mobile phone and other "IT" peripherals has not been well resolved. In addition, mobile phone manufacturers keep secret and independent from each other in the mobile phone operating system and application software, resulting in Incompatible with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38
Inventor 全龙浩尹广宇钟茂干董民超
Owner 尹广宇
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