CN1525348A - Data storage device with multiple tandem transmission interfaces - Google Patents
Data storage device with multiple tandem transmission interfaces Download PDFInfo
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- CN1525348A CN1525348A CNA031064515A CN03106451A CN1525348A CN 1525348 A CN1525348 A CN 1525348A CN A031064515 A CNA031064515 A CN A031064515A CN 03106451 A CN03106451 A CN 03106451A CN 1525348 A CN1525348 A CN 1525348A
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Abstract
The invention provides a kind of data storing device which has several series, it includes a memory for storing data, a microprocessor for control the access of data in memory; two series bus interfaces which are connected to the microprocessor or built-in the microprocessor, it includes a universal series bus interface and the non-USB series interface, in order to process the communication protocol and the data transmission of interface; a connecting port compatible to the USB is connected to the series bus interface, and provides it to connect with a digital device and forms the connection; another interface conversion controller examines the interface performance of the connecting port and converts the series bus interface connected to it.
Description
Technical field
The present invention is relevant a kind of data storage device, particularly about a kind of data storage device of many tandem transmission interfaces, to be applicable to the digital device of different connecting interfaces.
Background technology
Development along with information industry, electronics and IT products miscellaneous such as mobile phone, notebook computer, PDA(Personal Digital Assistant), multimedia digital audio and video player and digital camera etc., different application such as audio-visual multimedia and the transmission of data networking in the daily life is provided, these portable electronic products often need to store various electronic bits of datas and mutual transmission data, so data storage device and transmission interface are played the part of very important role.
(Universal Serial Bus USB) has become the most general transmission interface to universal serial bus, is widely used on the various digital devices at present.Has slow and the shortcoming that can't identification periphery application apparatus of speed with respect to tradition serial connection port (Serial Port), USB interface has plug and play and the fast characteristic of transmission speed, so the user needn't wait for that again the support that start can see through job platform set external peripheral equipment.
Though USB interface is very general in computer, still have some digital devices not have USB interface but link with other serial device interfaces, can't be suitable for the USB memory storage; Moreover existing some tandem sequence has the problem of signal line deficiency; On the other hand, latest developments go out a kind of USB On-the-Go transmission standard, make the data transmission need not rely on computer line placed in the middle can directly form interface and link, yet therefore the framework complexity of USB On-the-Go and cost height have the problem that is difficult for universalness.
In view of this, The present invention be directed to above-mentioned all puzzlements, a kind of data storage device of many tandem transmission interfaces is proposed, so as to can be at an easy rate between the computer end with usb connecting port and digital device, as the transmission medium of an electronic bits of data with different connectivity ports.
Summary of the invention
Fundamental purpose of the present invention, be that a kind of data storage device of many tandem transmission interfaces is being provided, not only be applicable to USB interface and be applicable to the tandem transmission interfaces of non-USB, can link with the digital device of different connecting interfaces so as to seeing through same connectivity port, so that the effect of many tandem transmission interfaces to be provided, make the data transmission more convenient.
Another object of the present invention is that a kind of Portable data storage device is being provided, and it is to have many tandem transmission interfaces, and not only design architecture has the low advantage of cost simply simultaneously.
A further object of the present invention is to allow the user more flexiblely select tandem transmission interfaces according to the demand of system architecture.
Another purpose of the present invention is to utilize a power input mouth required power supply of storage device of giving information, and makes power signal line on the connectivity port can be used as the data control line and uses, to reach the increase data
And the effect of control line number.
Another purpose of the present invention is when data storage device is connected with a digital device, can not consume the electric power of digital device.
For reaching above-mentioned projects, technical solution of the present invention provides a kind of data storage device of many tandem transmission interfaces, comprising:
At least one reservoir provides to store data;
One microprocessor is in order to the access of data in the control reservoir;
At least two serial bus interfaces, in build in the microprocessor, comprise a universal serial bus (USB) interface and at least one non-USB serial device interface, transmit with communications protocol and the data of handling connecting interface;
One connectivity port is the connectivity port of a USB compatibility, and it is electrically connected serial bus interface, and provides and be connected to a digital device, with its formation interface connection relationship; And
One interface switch controller is to switch in order to detect the interface attributes that this connectivity port links to select serial bus interface corresponding with it.
The data storage device of described many tandem transmission interfaces wherein, has an external interface control port to provide and is linked to microprocessor and interface switch controller.
The data storage device of described many tandem transmission interfaces wherein, includes a power input mouth.
The data storage device of described many tandem transmission interfaces, wherein, having a power supply selection control in the microprocessor, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
The data storage device of described many tandem transmission interfaces, it is connected with a power supply selection control, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
The data storage device of described many tandem transmission interfaces, wherein, the signal line of connectivity port includes one group of power lead and at least one group of document signal line, and when interface switch controller will link interface and be switched to non-USB serial device interface by USB interface, this group power lead was to switch simultaneously as another group document signal line to use.
The data storage device of described many tandem transmission interfaces, wherein, interface switch controller is to be connected between connectivity port and the serial bus interface.
The data storage device of described many tandem transmission interfaces, wherein, interface switch controller is built in the microprocessor in being.
A kind of data storage device of many tandem transmission interfaces comprises:
At least one reservoir provides to store data;
One microprocessor is in order to the access of data in the control reservoir;
At least two serial bus interfaces are to connect microprocessor, comprise a universal serial bus (USB) interface and at least one non-USB serial device interface, with communications protocol and the data transmission of handling connecting interface;
One connectivity port is the connectivity port of a USB compatibility, and it is electrically connected serial bus interface, and provides and be connected to a digital device, with its formation interface connection relationship; And
One interface switch controller is to switch in order to detect the interface attributes that the connectivity port linked to select serial bus interface corresponding with it.
The data storage device of described many tandem transmission interfaces wherein, has an external interface control port to provide and is linked to microprocessor and interface switch controller.
The data storage device of described many tandem transmission interfaces wherein, includes a power input mouth.
The data storage device of described many tandem transmission interfaces, wherein, having a power supply selection control in the microprocessor, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
The data storage device of described many tandem transmission interfaces, it is connected with a power supply selection control, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
The data storage device of described many tandem transmission interfaces, wherein, the signal line of connectivity port includes one group of power lead and at least one group of document signal line, and when interface switch controller will link interface and be switched to non-USB serial device interface by USB interface, this group power lead was to switch simultaneously as another group document signal line to use.
The data storage device of described many tandem transmission interfaces, wherein, interface switch controller is to be electrically connected between connectivity port and the serial bus interface, and is electrically connected between serial bus interface and the microprocessor.
The data storage device of described many tandem transmission interfaces, wherein, interface switch controller is built in the microprocessor in being.
The data storage device of many tandem transmission interfaces provided by the invention, not only can link with USB interface, and be applicable to the tandem transmission interfaces of other non-USB, seeing through same connectivity port can link with the digital device of distinct interface, makes the data transmission between digital device more convenient; In addition, the present invention is a portable apparatus, and has design architecture and simply reach the low advantage of cost, also allows the user more flexiblely select tandem transmission interfaces according to the demand of system architecture simultaneously.
Description of drawings
Fig. 1 is the structure block schematic diagram of a preferred embodiment of the present invention;
Fig. 2 is the structure block schematic diagram of another preferred embodiment of the present invention;
Fig. 3 is an application circuit synoptic diagram of the present invention;
Fig. 4 is the synoptic diagram that switches connecting interface among Fig. 3;
Fig. 5 is the further application of the invention circuit diagram.
Embodiment
The present invention makes data storage device have several tandem transmission interfaces, it is except containing USB interface, other tandem transmission interfaces also are provided, and making this data storage device see through same connectivity port can link with the digital device of distinct interface, to carry out the data transmission.
As shown in Figure 1, it is to be structure block schematic diagram of the present invention, one data storage device 10 comprises a reservoir 12, provide the usefulness that stores data, reservoir 12 be generally fast flash memory (Flash) but, the electronic type clear programization only reads wherein a kind of of group that reservoir (EEPROM) and cover screen type reservoir (Maskmemory) formed; One microprocessor 14 is connected to reservoir 12, in order to the access of data in the control reservoir 12; Microprocessor 14 is connected with two serial bus interfaces 16,18, is respectively a usb 16 and a non-USB serial device interface 18, and communications protocol and data transmission to handle connecting interface wherein, also can have non-USB serial device interfaces 18 different more than two; Serial bus interface 16,18 is electrically connected to a usb connecting port 20, it provides the connectivity port (not shown) that is connected to a digital device, to form interface binding pass be: other has an interface switch controller 22 to be electrically connected between usb connecting port 20 and the serial bus interface 16,18, and be electrically connected between serial bus interface 16,18 and the microprocessor 14, switch with the interface attributes that detects the digital device that usb connecting port 20 was linked selection can with the serial bus interface 16/18 of its binding.
Wherein, usb connecting port 20 is not defined as USB, and connectivity port that can also a USB compatibility replaces, and in other words, usb connecting port 20 more can have additional several pins except the pin (pin) with USB, to be applicable to the connectivity port of non-USB simultaneously; Serial bus interface 16,18 also can in build in the microprocessor 14, then interface switch controller 22 only need be connected between usb connecting port 20 and this microprocessor 14 and get final product.On the other hand, interface switch controller 22 also can in build in the microprocessor 14, be one to integrate control circuit.
Consult shown in Figure 2 again, it is another preferred embodiment of the present invention, as shown in the figure, one external interface control port 24 is linked to microprocessor 14 and the interface switch controller 22 in the data storage device 10, simultaneously to differentiate and control the digital device that usb connecting port 20 is linked by interface switch controller 22 and external interface control port 24, its communication interface is to have USB interface or do not have USB interface and be other serial device interfaces, to switch suitable serial bus interface 16,18.
Then, switch the interactively of corresponding binding interface in order to illustrate this data storage device 10 to be connected with a digital device, see also shown in Figure 3, application circuit synoptic diagram for data storage device 10 of the present invention, as shown in the figure, the signal line of usb connecting port 20 includes one group of power lead Vdd, GND and one group of data/controlling signal line Data+ that is electrically connected to microprocessor 14, the Data-(not shown), to see through this group power lead Vdd, the digital device input power supply that GND is connected from usb connecting port 20, and see through data/controlling signal line Data+, Data-utilizes microprocessor 14 to carry out Data Processing; More include a power input mouth 26, come the required power supply of each element action in the input data storage device 10 with an external power supply device; In addition, being circumscribed with a power supply selection control 28, is the digital device that connected by usb connecting port 20 or by 26 inputs of power input mouth with the action power source of selecting each element in the data storage device 10.Wherein, power supply selection control 28 is to build in can be in the microprocessor 14; And the power supply device that power input mouth 26 connects is built in the data storage device 10 in also can be, to integrate interlock circuit in data storage device 10.
When the connectivity port of a usb connecting port 20 and a digital device links together and after forming the signal connection relationship, the communications protocol that interface switch controller 22 will detect this digital device has or not USB interface, if USB interface is arranged, then interface switch controller 22 will be controlled the binding interface and switch to usb 16, utilize usb 16 to carry out data transmission and access data to see through usb connecting port 20.
Do not have USB interface but have other serial device interfaces if interface switch controller 22 detects this digital device, then interface switch controller 22 will be controlled the binding interface and switch to non-USB serial device interface 18, to see through usb connecting port 20 and to utilize non-USB serial device interface 18 to carry out data transmission and access data.Wherein, as shown in Figure 4, when usb 16 switches to non-USB serial device interface 18, this group power lead Vdd, GND switch as another group document signal line D1, D2 to use synchronously, this moment, the power supply of data storage device 10 can't be again sees through the digital device input that power lead Vdd, GND be connected from usb connecting port 20, power supply selection control 28 will detect this variation and the path of also synchronous or preferential Switching power input for by 26 inputs of power input mouth.
Therefore, the present invention can make the power signal line data of the switching to/controlling signal line of usb connecting port 20 use, data/controlling signal line is become by these two signal line of Data+, Data-originally increased another group data/controlling signal line D1, D2, and become four data/controlling signal line, can improve the problem of existing some tandem series signal line deficiency, to reach the effect of increase data and control line number, wherein, if usb connecting port 20 is aforesaid USB compatibility connectivity port, then its data/controlling signal line is when increasing to more than four; Simultaneously, when digital device that data storage device 10 connected is the short device of battery stand-by time such as PDA, digital camera own, the present invention also can utilize an external power supply device or data storage device 10 inner power supply devices own that power supply is provided, and quickens the shortcoming of the electric power of consumption digital device with the existing carry-on hard disk of effective solution.
Figure 5 shows that the Another Application circuit diagram of data storage device 10 of the present invention, data storage device 10 is connected with digital device and switches the interactively of corresponding binding interface, and power supply selection control 28 control selects the interactively in the source of input power supplys to be same as the embodiment of above-mentioned Fig. 2 to Fig. 4, so repeat no more in this.
Therefore, the data storage device of many tandem transmission interfaces provided by the invention not only can link with USB interface, and is applicable to the tandem transmission interfaces of other non-USB, seeing through same connectivity port can link with the digital device of distinct interface, makes the data transmission between digital device more convenient; In addition, the present invention is a portable apparatus, and has design architecture and simply reach the low advantage of cost, also allows the user more flexiblely select tandem transmission interfaces according to the demand of system architecture simultaneously.
The above is by embodiment characteristics of the present invention to be described, its purpose is had the knack of this operator and can be understood content of the present invention and implement according to this making, and non-limiting claim of the present invention, so, all other do not break away from equivalence modification or the modification that disclosed spirit is finished, and must be included in the described claim of this case.
Claims (16)
1. the data storage device of tandem transmission interfaces more than a kind is characterized in that, comprising:
At least one reservoir provides to store data;
One microprocessor is in order to the access of data in the control reservoir;
At least two serial bus interfaces, in build in the microprocessor, comprise a universal serial bus (USB) interface and at least one non-USB serial device interface, transmit with communications protocol and the data of handling connecting interface;
One connectivity port is the connectivity port of a USB compatibility, and it is electrically connected serial bus interface, and provides and be connected to a digital device, with its formation interface connection relationship; And
One interface switch controller is to switch in order to detect the interface attributes that this connectivity port links to select serial bus interface corresponding with it.
2. the data storage device of many tandem transmission interfaces as claimed in claim 1 is characterized in that, wherein, has an external interface control port to provide and is linked to microprocessor and interface switch controller.
3. the data storage device of many tandem transmission interfaces as claimed in claim 1 is characterized in that, wherein, includes a power input mouth.
4. the data storage device of many tandem transmission interfaces as claimed in claim 3, it is characterized in that, wherein, having a power supply selection control in the microprocessor, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
5. the data storage device of many tandem transmission interfaces as claimed in claim 3, it is characterized in that, it is connected with a power supply selection control, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
6. the data storage device of many tandem transmission interfaces as claimed in claim 1, it is characterized in that, wherein, the signal line of connectivity port includes one group of power lead and at least one group of document signal line, and when interface switch controller will link interface and be switched to non-USB serial device interface by USB interface, this group power lead was to switch simultaneously as another group document signal line to use.
7. the data storage device of many tandem transmission interfaces as claimed in claim 1 is characterized in that, wherein, interface switch controller is to be connected between connectivity port and the serial bus interface.
8. the data storage device of many tandem transmission interfaces as claimed in claim 1 is characterized in that, wherein, interface switch controller is built in the microprocessor in being.
9. the data storage device of tandem transmission interfaces more than a kind is characterized in that, comprising:
At least one reservoir provides to store data;
One microprocessor is in order to the access of data in the control reservoir;
At least two serial bus interfaces are to connect microprocessor, comprise a universal serial bus (USB) interface and at least one non-USB serial device interface, with communications protocol and the data transmission of handling connecting interface;
One connectivity port is the connectivity port of a USB compatibility, and it is electrically connected serial bus interface, and provides and be connected to a digital device, with its formation interface connection relationship; And
One interface switch controller is to switch in order to detect the interface attributes that the connectivity port linked to select serial bus interface corresponding with it.
10. the data storage device of many tandem transmission interfaces as claimed in claim 9 is characterized in that, wherein, has an external interface control port to provide and is linked to microprocessor and interface switch controller.
11. the data storage device of many tandem transmission interfaces as claimed in claim 9 is characterized in that, wherein, includes a power input mouth.
12. the data storage device of many tandem transmission interfaces as claimed in claim 11, it is characterized in that, wherein, having a power supply selection control in the microprocessor, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
13. the data storage device of many tandem transmission interfaces as claimed in claim 11, it is characterized in that, it is connected with a power supply selection control, is to import by digital device or by the power input mouth with the action power source of each element in the data storage device of selecting many tandem transmission interfaces.
14. the data storage device of many tandem transmission interfaces as claimed in claim 11, it is characterized in that, wherein, the signal line of connectivity port includes one group of power lead and at least one group of document signal line, and when interface switch controller will link interface and be switched to non-USB serial device interface by USB interface, this group power lead was to switch simultaneously as another group document signal line to use.
15. the data storage device of many tandem transmission interfaces as claimed in claim 11 is characterized in that, wherein, interface switch controller is to be electrically connected between connectivity port and the serial bus interface, and is electrically connected between serial bus interface and the microprocessor.
16. the data storage device of many tandem transmission interfaces as claimed in claim 11 is characterized in that, wherein, interface switch controller is built in the microprocessor in being.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031064515A CN1525348A (en) | 2003-02-26 | 2003-02-26 | Data storage device with multiple tandem transmission interfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031064515A CN1525348A (en) | 2003-02-26 | 2003-02-26 | Data storage device with multiple tandem transmission interfaces |
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| CN1525348A true CN1525348A (en) | 2004-09-01 |
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| CNA031064515A Pending CN1525348A (en) | 2003-02-26 | 2003-02-26 | Data storage device with multiple tandem transmission interfaces |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338594C (en) * | 2004-09-30 | 2007-09-19 | 威盛电子股份有限公司 | USB control circuit having host mode and controlled mode switching function and its method |
| WO2008043224A1 (en) * | 2006-09-30 | 2008-04-17 | Beijin Huaqi Information Digital Technology Co.Ltd | A memory apparatus |
| CN100414483C (en) * | 2005-06-07 | 2008-08-27 | 祥硕科技股份有限公司 | Sequence port interface extension device |
| CN102156528A (en) * | 2010-02-11 | 2011-08-17 | 联想(北京)有限公司 | Data processing equipment and universal serial bus (USB) external connection driving method thereof |
-
2003
- 2003-02-26 CN CNA031064515A patent/CN1525348A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100338594C (en) * | 2004-09-30 | 2007-09-19 | 威盛电子股份有限公司 | USB control circuit having host mode and controlled mode switching function and its method |
| CN100414483C (en) * | 2005-06-07 | 2008-08-27 | 祥硕科技股份有限公司 | Sequence port interface extension device |
| WO2008043224A1 (en) * | 2006-09-30 | 2008-04-17 | Beijin Huaqi Information Digital Technology Co.Ltd | A memory apparatus |
| CN102156528A (en) * | 2010-02-11 | 2011-08-17 | 联想(北京)有限公司 | Data processing equipment and universal serial bus (USB) external connection driving method thereof |
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