CN2750372Y - GPIO interface for mobile communication equipment - Google Patents
GPIO interface for mobile communication equipment Download PDFInfo
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- CN2750372Y CN2750372Y CN 200420121821 CN200420121821U CN2750372Y CN 2750372 Y CN2750372 Y CN 2750372Y CN 200420121821 CN200420121821 CN 200420121821 CN 200420121821 U CN200420121821 U CN 200420121821U CN 2750372 Y CN2750372 Y CN 2750372Y
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- mobile communication
- communication equipment
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Abstract
The utility model discloses a general purpose input and output interface for mobile communication equipment, including a mobile communication equipment connecting end, an external equipment connecting end and a control end. The mobile communication equipment connecting end is used for connecting with the mobile communication equipment; the external equipment connecting end is used for connecting with the external equipment; besides, a switching element is connected in series between the mobile communication equipment connecting end and the external equipment connecting end; the control end is used for controlling the switching state of said switching element according to the connected interface type of the mobile communication equipment and the external equipment to realize different connecting relations between the mobile communication equipment connecting end and the external equipment connecting end in the condition of various interface types. Compared with the prior art, the utility model has the advantages of simple structure, convenient operation, low cost and no addition of difficulty of hardware design, etc.
Description
Technical field
The utility model relates to a kind of universal input/output interface that is used for mobile communication equipment.
Technical background
USB (Universal Serial Bus, USB (universal serial bus)) interface, UART (UniversalAsynchronous Receiver Transmitter, asynchronous serial communication interface) interface, SPI (SerialPeripheral Interface, the synchronous external apparatus interface of serial) interface, IIS (Inter-IC Sound) interface, IIC (Inter IC bus) interface, these interfaces are mobile phones, palm PC, the IO interface that often uses on the various mobile communication equipments such as portable communication apparatus, mobile communication equipment is by these interfaces and computing machine, external units such as portable hard drive carry out data interaction.
Wherein, the signal of USB interface puts in order and is: VCC power supply, the input of D-data, the output of D+ data, GND ground.
The signal of UART interface puts in order to: GND ground, TX data send, the RX Data Receiving.
The signal of SPI interface put in order for: SCLK serial clock signal, MOSI main equipment output/slave unit input data signal, MISO main equipment input/slave unit outputting data signals, SS slave unit are effectively selected signal.
The signal of IIS puts in order and is: SCLK serial clock signal, a LRCK left side/right clock signal, the output of DOUT serial data, the input of DIN serial data.
The signal of IIC puts in order and is CLK clock signal, DATA data-signal.
From as can be seen last, the signal of these several interfaces and number of signals are all inequality.Therefore, present mobile communication equipment is if support these above interfaces, a plurality of hardware interfaces must be provided on hardware design, come corresponding different functions, all bring a bigger difficult problem therefore for the integral mechanical structure design of equipment, internal circuit configuration design.And also, satisfy the needs that different external units connects because the one-piece construction miniaturization of mobile communication equipment makes it that a plurality of dissimilar hardware interfaces can not be provided simultaneously.Given this, the I/O interface that on most mobile communication equipment, all has only a fixed type at present.
The utility model content
The purpose of this utility model is: at the deficiencies in the prior art, provide a kind of simple in structure, particularly can make mobile communication equipment carry out the universal input/output interface of the mobile communication equipment of data communication by an interface and external unit with different interface type.
In order to solve the problems of the technologies described above, technical solution adopted in the utility model is: a kind of universal input/output interface of mobile communication equipment, comprise the mobile communication equipment link, external unit link and control end, described mobile communication equipment link is used for being connected with mobile communication equipment, described external unit link is used for being connected with external unit, and, between described mobile communication equipment link and external unit link, also be connected in series with switching device, described control end is used for the interface type according to mobile communication equipment that is connected and external unit, control the switching state of described switching device, to realize mobile communication equipment link and the external unit link different annexation when the multiple interfaces type.
Described external unit link can be provided with 4 splicing ears, is used for connecting USB interface, UART interface, IIS interface, any one interface of IIC interface of external unit.
Described mobile communication equipment link can be provided with 6 splicing ears, is used for connecting USB interface, UART interface, IIS interface, any one interface of IIC interface of mobile communication equipment.
Described switching device can adopt a pair of single-pole double-throw switch (SPDT).
The stationary contact of described first single-pole double-throw switch (SPDT) can conduct electricity first splicing ear that connects described external unit link, its first moving contact conduction connects first splicing ear of described mobile communication equipment link, its second moving contact conduction connects the 3rd splicing ear of described mobile communication equipment link, and its control contact conduction connects described control end.
The stationary contact of described second single-pole double-throw switch (SPDT) can conduct electricity second splicing ear that connects described external unit link, its first moving contact conduction connects second splicing ear of described mobile communication equipment link, its second moving contact conduction connects the 4th splicing ear of described mobile communication equipment link, and its control contact conduction connects described control end.
The 3rd splicing ear of described external unit link can be connected with the 5th splicing ear conduction of described mobile communication equipment link, and the 4th splicing ear of described external unit link is connected with the 6th splicing ear of described mobile communication equipment link conduction.
The control signal of described control end can be provided by mobile communication equipment.
The control signal of described control end can be provided by external unit.
Can also comprise a toggle switch, two moving contacts of described toggle switch connect power supply and ground respectively, and the stationary contact of described toggle switch connects described control end.
In technique scheme, the utility model is owing to be provided with change-over switch between mobile communication equipment link and external unit link, and the switching state by the control end control its switch, thereby can realize that mobile communication equipment is when being connected with the external unit of different interface type, only need to change the switching state of change-over switch, can realize data communication, and need not to increase other hardware interface.Relative prior art, the utlity model has simple in structure, easy to use, do not increase hardware design difficulty, characteristics such as with low cost.
Description of drawings
Accompanying drawing 1 is the structure principle chart of the universal input/output interface of the utility model mobile communication equipment;
Accompanying drawing 2 is the structure principle chart of first kind of preferred embodiment of the present utility model;
Accompanying drawing 3 is the structure principle chart of second kind of preferred embodiment of the present utility model;
Accompanying drawing 4 is the structure principle chart of the third preferred embodiment of the present utility model.
Embodiment
Below in conjunction with Figure of description and specific embodiment the utility model is described in further detail.
With reference to figure 1, a kind of universal input/output interface of mobile communication equipment comprises that mobile communication equipment link B, external unit link A and control end C constitute.
Described external unit link A comprises four splicing ears 1～4, is used for connecting USB interface, UART interface, IIS interface, any one interface of IIC interface of external unit O.
Described mobile communication equipment link B comprises six splicing ear I～VI, is used for connecting USB interface, UART interface, IIS interface, any one interface of IIC interface of mobile communication equipment M.
And, between described mobile communication equipment link B and external unit link A, also be connected in series with switching device S, described control end C is used for the interface type according to mobile communication equipment M that is connected and external unit O, control the switching state of described switching device, with each splicing ear of each splicing ear of realizing mobile communication equipment link B and external unit link A different annexation when the different interface types.
Described switching device S can adopt change-over switches such as relay, double-point double-throw switch or single-pole double-throw switch (SPDT).
Described control end C can provide control signal by external unit O, also can provide control signal by mobile communication equipment M, can also produce control signal by the utility model interface self.
Provide several specific embodiment of the present utility model below.
Embodiment 1:
With reference to the accompanying drawings 2, switching device S adopts a pair of single-pole double-throw switch (SPDT) S1, S2 in a kind of specific embodiment of the present utility model, and the control signal of control end C is provided by mobile communication equipment.
Wherein, the stationary contact conduction of the first single-pole double-throw switch (SPDT) S1 connects first splicing ear 1 of described external unit link A, its first moving contact conduction connects the first splicing ear I of described mobile communication equipment link B, its second moving contact conduction connects described mobile communication equipment link B the 3rd splicing ear III, and its control contact conduction connects described control end C.
The stationary contact conduction of the described second single-pole double-throw switch (SPDT) S2 connects second splicing ear 2 of described external unit link A, its first moving contact conduction connects the second splicing ear II of described mobile communication equipment link B, its second moving contact conduction connects the 4th splicing ear IV of described mobile communication equipment link B, and its control contact conduction connects described control end C.
The 3rd splicing ear 3 of described external unit link A is connected with the 5th splicing ear V of described mobile communication equipment link B conduction, and the 4th splicing ear 4 of described external unit link A is connected with the 6th splicing ear VI of described mobile communication equipment link B conduction.
In the present embodiment,
When the C pin was high level: 1 was communicated with I; 2 are communicated with II.Be applicable to when external apparatus interface is USB interface.
When the C pin was low level: 1 was communicated with III; 2 are communicated with IV.Be applicable to when external apparatus interface is UART interface, SPI interface, IIS interface, IIC interface.
Signal connection relation list during present embodiment work is as follows:
| USB interface | The UART interface | The SPI interface | The IIS interface | The | ||
| 1 | +5V | NC | | SCLK | NC | |
| 2 | GND | GND | MOSI | LRCK | | |
| 3、V | D+ | TX | | DOUT | CLK | |
| 4、VI | D- | RX | SS | DIN | DATA | |
| I | +5V | NC | NC | NC | NC | |
| II | GND | NC | NC | NC | NC | |
| III | NC | NC | SCLK | SCLK | NC | |
| IV | NC | GND | MOSI | LRCK | NC |
Wherein, NC is empty.
When present embodiment is specifically implemented, can adopt built-in or external.Adopt built-inly, be described mobile communication equipment link B is arranged at mobile communication equipment inside, the interface that makes described mobile communication equipment is external unit link A, thereby is connected with external unit by external unit link A or its interface extension line.
In addition, a function software is installed in mobile communication equipment, make the user according to the external apparatus interface type on mobile communication equipment, operate provide high and low level control signal to control end C.Because this function software is the method that those skilled in that art are easy to realize, no longer auspicious stating here for according to the straightforward procedure of selecting to provide high and low level.
Embodiment 2:
With reference to the accompanying drawings 3, what second kind of specific embodiment of the present utility model was different with first kind of embodiment is that wherein the control signal of control end C is provided by external unit.Externally on the equipment function software is installed during therefore concrete the application, externally operation provides high and low level on the equipment controls signal to control end C according to the external apparatus interface type to make the user.Identical among the specific implementation method of this software and the embodiment 1.
Embodiment 3:
With reference to figure 4, present embodiment as different from Example 1, wherein the control signal of control end C is produced by the utility model mobile communication equipment universal input/output interface.
The universal input/output interface of mobile communication equipment described in the present embodiment also comprises a toggle switch N, and two moving contact H, the L of described toggle switch N meet power supply VCC and ground GND respectively, and the stationary contact of described toggle switch connects described control end C.
During use, stir described toggle switch N according to the external apparatus interface type, thereby provide the control signal of high and low level by the user.The POWER of power supply shown in the figure can be provided by external unit O, also can be provided by mobile communication equipment M, also can self be provided by the utility model interface.
By foregoing description as can be seen, the utility model is owing to adopt switching device S, realized that mobile communication equipment is by mobile communication equipment universal input/output interface of the present utility model, can directly carry out the function of data communication with external unit with any one interface type among USB, UART, IIS, the IIC, that is, make mobile communication equipment only need an interface just can finish the function of 5 interfaces in the prior art.Therefore not only can reduce the hardware design difficulty of mobile communication equipment greatly, save cost; And, also, the user brought very big convenience for using.In addition, signal wire quantity of the present utility model is few, also further simplified structure.
More than be limited several specific embodiments of the present utility model.In fact, the utility model can also use according to reality and make corresponding adjustment.
In above embodiment, control signal is selected to produce by the user, and in fact, control signal also can detect the back and produce automatically by the automatic detection device that detects interface type automatically.
For another example, among the above embodiment, the utility model is embodied as a kind of interface that is arranged in the mobile communication equipment, and in fact, the utility model also can be embodied as a kind of interface connecting line, its two ends are respectively external unit link A and mobile communication equipment link B, and electricity consumption cable connects in the middle of it, and control end C and change-over switch S all are arranged in a certain end in the two ends.
Therefore, concrete enforcement structure of the present utility model and method are quite flexible, and all changes of doing according to technical solutions of the utility model when the function that is produced does not exceed the scope of technical solutions of the utility model, all belong to protection domain of the present utility model.
Claims (10)
1, a kind of universal input/output interface of mobile communication equipment, it is characterized in that: comprise the mobile communication equipment link, external unit link and control end, described mobile communication equipment link is used for being connected with mobile communication equipment, described external unit link is used for being connected with external unit, and, between described mobile communication equipment link and external unit link, also be connected in series with switching device, described control end is used for the interface type according to mobile communication equipment that is connected and external unit, control the switching state of described switching device, to realize mobile communication equipment link and the external unit link different annexation when the multiple interfaces type.
2, the universal input/output interface of mobile communication equipment according to claim 1, it is characterized in that: described external unit link is provided with 4 splicing ears, is used for connecting USB interface, UART interface, IIS interface, any one interface of IIC interface of external unit.
3, the universal input/output interface of mobile communication equipment as claimed in claim 1 or 2, it is characterized in that: described mobile communication equipment link is provided with 6 splicing ears, is used for connecting USB interface, UART interface, IIS interface, any one interface of IIC interface of mobile communication equipment.
4, as the universal input/output interface of mobile communication equipment as described in the claim 3, it is characterized in that: described switching device adopts a pair of single-pole double-throw switch (SPDT).
5, as the universal input/output interface of mobile communication equipment as described in the claim 4, it is characterized in that: the stationary contact conduction of described first single-pole double-throw switch (SPDT) connects first splicing ear of described external unit link, its first moving contact conduction connects first splicing ear of described mobile communication equipment link, its second moving contact conduction connects the 3rd splicing ear of described mobile communication equipment link, and its control contact conduction connects described control end.
6, as the universal input/output interface of mobile communication equipment as described in the claim 5, it is characterized in that: the stationary contact conduction of described second single-pole double-throw switch (SPDT) connects second splicing ear of described external unit link, its first moving contact conduction connects second splicing ear of described mobile communication equipment link, its second moving contact conduction connects the 4th splicing ear of described mobile communication equipment link, and its control contact conduction connects described control end.
7, as the universal input/output interface of mobile communication equipment as described in the claim 6, it is characterized in that: the 3rd splicing ear of described external unit link is connected with the 5th splicing ear of described mobile communication equipment link conduction, and the 4th splicing ear of described external unit link is connected with the 6th splicing ear of described mobile communication equipment link conduction.
8, as the universal input/output interface of mobile communication equipment as described in the claim 7, it is characterized in that: the control signal of described control end is provided by mobile communication equipment.
9, as the universal input/output interface of mobile communication equipment as described in the claim 7, it is characterized in that: the control signal of described control end is provided by external unit.
10, as the universal input/output interface of mobile communication equipment as described in the claim 7, it is characterized in that: also comprise a toggle switch, two moving contacts of described toggle switch connect power supply and ground respectively, and the stationary contact of described toggle switch connects described control end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420121821 CN2750372Y (en) | 2004-12-24 | 2004-12-24 | GPIO interface for mobile communication equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420121821 CN2750372Y (en) | 2004-12-24 | 2004-12-24 | GPIO interface for mobile communication equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2750372Y true CN2750372Y (en) | 2006-01-04 |
Family
ID=35823753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420121821 Expired - Fee Related CN2750372Y (en) | 2004-12-24 | 2004-12-24 | GPIO interface for mobile communication equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2750372Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640946B (en) * | 2008-08-01 | 2012-02-01 | 宁波波导软件有限公司 | Method for external connection of storage card for mobile phone |
| CN111400226A (en) * | 2020-03-02 | 2020-07-10 | 上海闻泰信息技术有限公司 | Mobile terminal device and log acquisition system |
-
2004
- 2004-12-24 CN CN 200420121821 patent/CN2750372Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101640946B (en) * | 2008-08-01 | 2012-02-01 | 宁波波导软件有限公司 | Method for external connection of storage card for mobile phone |
| CN111400226A (en) * | 2020-03-02 | 2020-07-10 | 上海闻泰信息技术有限公司 | Mobile terminal device and log acquisition system |
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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: 20060104 Termination date: 20111224 |