CN2850174Y - Cell phone with USB interface - Google Patents
Cell phone with USB interface Download PDFInfo
- Publication number
- CN2850174Y CN2850174Y CNU2005200674797U CN200520067479U CN2850174Y CN 2850174 Y CN2850174 Y CN 2850174Y CN U2005200674797 U CNU2005200674797 U CN U2005200674797U CN 200520067479 U CN200520067479 U CN 200520067479U CN 2850174 Y CN2850174 Y CN 2850174Y
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- Prior art keywords
- usb
- mobile phone
- usb interface
- cell phone
- equipment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a cell phone with a USB interface, which comprises a cell phone baseband module which is used for controlling the working of the cell phone and the USB interface which is used for realizing data exchange with external USB devices to work under the control of the cell phone baseband module, wherein the USB interface comprises a socket which is used for connecting with the external USB devices, a USB control module which is used for realizing data strings and conversion and a protection module which is connected between the socket and the USB control module and is used for realizing current limiting protection to the socket. Since the cell phone with the USB interface of the utility model is provided with the USB interface, the USB interface which is main node equipment can be connected with other external USB devices, such as a printer, a keyboard, an MP3, a digital camera, a mobile harddisk, etc. The utility model can realize the operation control to the external USB devices through the keyboard of the cell phone, and has the advantages that the cell phone is a digital operating center and a control platform, and the function of the cell phone is rich.
Description
Technical field
The utility model relates to mobile terminal device, is specifically related to a kind of mobile phone that has USB interface.
Background technology
Digital product is more and more important in people's life, for example digital camera, mobile phone, MP3, portable hard drive, etc. the high-tech digital product become a one's share of expenses for a joint undertaking in people's life, these digital products that have USB interface are more and more, generally can with common PC communication, carry out the data management of digital product, but for the data to these digital products manage, computer is very inconvenient when going out to carry, and so also uses these digital products to increase difficulty to the consumer.Mobile phone has become the requirement of people's life, but the mobile phone of prior art generally is not with USB interface, and function is very single.
The utility model content
The technical problems to be solved in the utility model is, at the above-mentioned defective of prior art, provides a kind of mobile phone that has USB interface.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of mobile phone that has USB interface; comprise the mobile phone baseband module that is used to control described operating handset; comprise that also one or one realize carrying out the USB interface that exchanges data is worked with external USB equipment under the control of described mobile phone baseband module being used for; described USB interface comprises and is used for the socket that is connected with external USB equipment; be used to realize the USB control module of serial data and conversion, be connected the protection module that is used for described socket is realized current-limiting protection between described socket and the described USB control module.
In the mobile phone that has a USB interface described in the utility model, described USB control module comprises and linking to each other with described mobile phone baseband module and by the master/slave node control pin of described its high/low level of mobile phone baseband module controls.
In the mobile phone that has a USB interface described in the utility model, described USB control module comprises master/slave node control pin, and described master/slave node control pin connects high level, and described USB interface is a host node equipment.
In the mobile phone that has a USB interface described in the utility model, described USB control module comprises master/slave node control pin, and described master/slave node control pin connects low level, and described USB interface is from node device.
In the mobile phone that has a USB interface described in the utility model, described external USB equipment is memory device.
In the mobile phone that has a USB interface described in the utility model, described external USB equipment is digital camera.
In the mobile phone that has a USB interface described in the utility model, described external USB equipment is portable hard drive.
In the mobile phone that has a USB interface described in the utility model, described external USB equipment is printer.
In the mobile phone that has a USB interface described in the utility model, described external USB equipment is MP3.
The beneficial effects of the utility model are, because the mobile phone that has USB interface of the present utility model is provided with USB interface, and USB interface is a host node equipment, can be connected with other external USB equipment, for example printer, keyboard, MP3, digital camera, portable hard drive etc., can realize that mobile phone has enriched the function of mobile phone as Numeral operation center and controlling platform to outside USB device operation control by cell phone keyboard.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the mobile phone user mode figure that has USB interface of the present utility model;
Fig. 2 is the mobile phone logic diagram that has USB interface of the present utility model;
Fig. 3 is the circuit diagram of first kind of execution mode of the mobile phone that has a USB interface of the present utility model;
Fig. 4 is the circuit diagram of second kind of execution mode of the mobile phone that has a USB interface of the present utility model.
Embodiment
As shown in Figure 1, be the mobile phone user mode figure that has USB interface of the present utility model, mobile phone of the present utility model has USB interface, USB interface can be connected with other external USB equipment, for example printer, keyboard, MP3, digital camera, portable hard drive etc., can realize that mobile phone has enriched the function of mobile phone as Numeral operation center and controlling platform to outside USB device operation control by cell phone keyboard.
Fig. 2 is the mobile phone logic diagram that has USB interface of the present utility model, the mobile phone that has USB interface of the present utility model, comprise the mobile phone baseband module 1 that is used to control described operating handset, the USB interface 2 that one or more are connected with described mobile phone baseband module 1.USB interface 2 is used for realizing carrying out exchanges data with external USB equipment and can working under the control of mobile phone baseband module 1.
USB interface 2 comprises and is used for the socket 201 that is connected with external USB equipment; be used to realize the USB control module 202 of serial data and conversion, be connected the protection module 203 that is used for described socket 201 is realized current-limiting protection between described socket 201 and the USB control module 202.
When USB interface 2 is host node equipment.There is external USB equipment to insert, mobile phone baseband module 1 can start USB HOST agreement, carries out communication with the external USB equipment that inserts, obtain correct replying after, can finish the loading work of identification according to device type search that recognizes and the driver that loads relevant device.After the device loads, mobile phone is free to visit or the action of control appliance, for portable hard drive, MP3, digital cameras etc. have the digital product of storage chip, mobile phone baseband module 1 can be used as a memory device with the storage chip of these equipment and use, automatic load store device driver, and with these device map to the file of mobile phone baseband module 1 inside together in, as an addressable catalogue, carry out reading of data, write, operation such as wipe, load these equipment and can use the memory space complementation of mobile phone digital equipment, make full use of limited storage resources, solved the problem of memory space inadequate on mobile phone or the digital product.For printing device, mobile phone baseband module 1 is the type of identification printer automatically, load printed driver, and prompting has printer to insert on the display module of mobile phone, the user can be directly will need content delivery such as the data printed or photo to printer and control printer work by the software on the mobile phone baseband module 1, the information that solved on the mobile phone is printed the problem of inconvenience.For keyboard equipment, on the mobile phone baseband module 1 keyboard driver is housed, when keyboard inserts mobile phone, system can detect the variation of interface automatically, and startup USBHOST agreement, mutual with keyboard equipment, if keyboard conforms standard-required, this moment, keyboard just was connected on the mobile phone, the user can solve the problem of input text information inconvenience on the mobile phone by keyboard input text information on mobile phone, and the keyboard that loads by USB interface, only need the PC keyboard of standard to get final product, on the price well below the cell phone keyboard that loads by wave points such as bluetooths.
USB interface 2 also can be set to control the equipment that its master/slave node is provided with by mobile phone baseband 1.Finish setting by the keyboard on the mobile phone to USB interface 2 master/slave nodes.
USB interface 2 can also directly be set to from node device.
As shown in Figure 3, be the circuit diagram of first kind of execution mode of the mobile phone that has a USB interface of the present utility model.Shown in the figure is the connecting circuit schematic diagram of mobile phone baseband module (chip for cell phone just) and USB interface.The operating voltage of USB control module (USB chip just) is 3.3V; use the crystal oscillator of 48MHZ; so crystal oscillator of the external 48M of CLK; also can use the crystal oscillator of chip for cell phone; the interrupt requests of USB chip is output as high level, therefore need be transformed into low level to it to satisfy the input requirement of chip for cell phone, the mode that the USB chip adopts low level to reset with reverser; in addition, the power interface of its socket should be done the processing of 500mA current limliting with protection system.The chip selection signal of USB chip links to each other with chip for cell phone, the read-write control port also is connected with the chip for cell phone corresponding port, and the data-bus width of USB chip is 8, therefore links to each other with the IO mouth P0-P7 of chip for cell phone, D+, the D-port meets the resistance in one 33 Europe and the D+ of USB cable, and D-holds connection, receive the data on the USB cable, other ports such as CM, M/S, the equal ground connection of nDACK.M/S (master/slave) port ground connection wherein, the USB chip is from node device.
As shown in Figure 4, be the circuit diagram of second kind of execution mode of the mobile phone that has a USB interface of the present utility model.Other structures are identical with Fig. 3's, different places is, wherein M/S (master/slave) port links to each other with the GPIO_9 port of chip for cell phone, the input of M/S port is exported by the level of GPIO_9 port by chip for cell phone and is controlled, when chip for cell phone control USB chip be input as high level the time, the USB chip is a host node equipment; When chip for cell phone control USB chip be input as low level the time, the USB chip is from node device.
Claims (9)
1; a kind of mobile phone that has USB interface; comprise the mobile phone baseband module (1) that is used to control described operating handset; it is characterized in that; comprise that also one or one are to be used for realizing and external USB equipment carries out the USB interface (2) that exchanges data is worked under the control of described mobile phone baseband module (1); described USB interface (2) comprises and is used for the socket (201) that is connected with external USB equipment; be used to realize the USB control module (202) of the serial/parallel conversion of data, be connected the protection module (203) that is used for described socket (201) is realized current-limiting protection between described socket (201) and the described USB control module (202).
2, the mobile phone that has USB interface according to claim 1, it is characterized in that described USB control module (202) comprises the master/slave node control pin that links to each other with described mobile phone baseband module (1) and controlled its high/low level input by described mobile phone baseband module (1).
3, the mobile phone that has USB interface according to claim 1 is characterized in that, described USB control module (202) comprises master/slave node control pin, and described master/slave node control pin connects high level, and described USB interface (2) is a host node equipment.
4, the mobile phone that has USB interface according to claim 1 is characterized in that, described USB control module (202) comprises master/slave node control pin, and described master/slave node control pin connects low level, and described USB interface (2) is from node device.
5, according to any one described mobile phone that has USB interface among the claim 1-4, it is characterized in that described external USB equipment is memory device.
6, according to any one described mobile phone that has USB interface among the claim 1-4, it is characterized in that described external USB equipment is digital camera.
7, according to any one described mobile phone that has USB interface among the claim 1-4, it is characterized in that described external USB equipment is portable hard drive.
8, according to any one described mobile phone that has USB interface among the claim 1-4, it is characterized in that described external USB equipment is printer.
9, according to any one described mobile phone that has USB interface among the claim 1-4, it is characterized in that described external USB equipment is MP3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200674797U CN2850174Y (en) | 2005-11-10 | 2005-11-10 | Cell phone with USB interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200674797U CN2850174Y (en) | 2005-11-10 | 2005-11-10 | Cell phone with USB interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2850174Y true CN2850174Y (en) | 2006-12-20 |
Family
ID=37522642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200674797U Expired - Fee Related CN2850174Y (en) | 2005-11-10 | 2005-11-10 | Cell phone with USB interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2850174Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431241B (en) * | 2007-11-06 | 2013-05-15 | 希姆通信息技术（上海）有限公司 | Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging |
| CN103476093A (en) * | 2012-06-06 | 2013-12-25 | 捷讯研究有限公司 | Methods and apparatus for use in facilitating communication for different types of wireless networks |
-
2005
- 2005-11-10 CN CNU2005200674797U patent/CN2850174Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101431241B (en) * | 2007-11-06 | 2013-05-15 | 希姆通信息技术（上海）有限公司 | Method and apparatus for charging dual-core mobile phone in power-off state and processing power-on problem caused by charging |
| CN103476093A (en) * | 2012-06-06 | 2013-12-25 | 捷讯研究有限公司 | Methods and apparatus for use in facilitating communication for different types of wireless networks |
| CN103476093B (en) * | 2012-06-06 | 2017-08-11 | 黑莓有限公司 | For the method and apparatus for the communication for promoting different types of wireless network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061220 Termination date: 20111110 |