CN201527648U - System-on-chip data writing device - Google Patents
System-on-chip data writing device Download PDFInfo
- Publication number
- CN201527648U CN201527648U CN2009201745321U CN200920174532U CN201527648U CN 201527648 U CN201527648 U CN 201527648U CN 2009201745321 U CN2009201745321 U CN 2009201745321U CN 200920174532 U CN200920174532 U CN 200920174532U CN 201527648 U CN201527648 U CN 201527648U
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- serial bus
- universal serial
- single chip
- output port
- electrically connected
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Abstract
The utility model discloses a system-on-chip data writing device, which comprises a concentrator of USB, a voltage converter, a controller of USB and a switcher, wherein the concentrator of USB is provided with a first output port and a second output port, the voltage converter is electrically connected to the input source of working voltage, the voltage converter is used for converting a working voltage into a writing voltage, the controller of USB is electrically connected to the input source of working voltage and the first output port of the concentrator of USB, the switcher is electrically connected to the controller of USB and is provided with a first end and a second end, the first end is electrically connected to the voltage converter, and the second end is electrically connected to the output source of the working voltage.
Description
Technical field
The utility model relates to a kind of data transfer apparatus, particularly a kind of system single chip data transfer apparatus.
Background technology
Mouse is in the computer nowadays device, and indispensable periphery is equipped with.The basic structure of mouse comprises chip and optical sensor.Chip is in order to reading the signal of optical sensor, and goes out the mouse moving track according to the calculated signals of optical sensor.
In order to calculate the mouse moving track smoothly, there are many parameters to be set in this chip.Generally speaking, this chip be Application Specific Integrated Circuit (Application-specific integratedcircuit, ASIC).Application Specific Integrated Circuit is meant the special requirement logical integrated circuit that designs according to special-purpose.This kind integrated circuit can't change its function or parameter easily.Therefore, for the manufacturer that produces mouse,, then need to produce new Application Specific Integrated Circuit if will change the parameter of mouse.When producing new Application Specific Integrated Circuit, must design new mask to carry out new integrated circuit technology.For manufacturer, design new mask and carry out new integrated circuit technology and need spend considerable time and quite expensive cost.
The utility model content
In view of above problem, technical problem to be solved in the utility model is, proposes a kind of system single chip data transfer apparatus, can't change the function or the problem of parameter easily in order to solve integrated circuit.
The disclosed system single chip data transfer apparatus of the utility model is characterized in that, comprising:
(Universal Serial Bus, USB) hub (hub) have one first output port and one second output port to one universal serial bus;
One electric pressure converter is electrically connected to an operating voltage input source, and this electric pressure converter writes voltage in order to convert an operating voltage to one;
One universal serial bus controller is electrically connected to this first output port of this operating voltage input source and this universal serial bus hub; And
One switch is electrically connected to this universal serial bus controller, and this switches utensil one first end and one second end, and this first end is electrically connected to this electric pressure converter, and this second end is electrically connected to this operating voltage input source;
Wherein, when the universal serial bus controller detected second output port and is write signal, the universal serial bus controller transmitted first signal to switch, and switch output writes voltage.When the universal serial bus controller detected second output port and is working signal, the universal serial bus controller transmitted secondary signal to switch, switch output services voltage.
Above-mentioned system single chip data transfer apparatus is characterized in that, this electric pressure converter is a DC-DC converter.
Above-mentioned system single chip data transfer apparatus is characterized in that, this universal serial bus controller has a universal input/output port, and this universal serial bus controller is electrically connected to this switch via this universal input/output port.
Above-mentioned system single chip data transfer apparatus is characterized in that, this second output port of this universal serial bus hub is electrically connected to a system single chip device.
Above-mentioned system single chip data transfer apparatus is characterized in that, this switch is electrically connected to a system single chip device.
Comprehensive the above, effect of the present utility model is, the system single chip data transfer apparatus that the utility model proposes is in the system single chip that correlation parameter in the time of mouse can being operated and instruction write mouse.This cd-rom recorder can be connected to a computing machine, and whether the identification input signal to determine whether export writes voltage for writing instruction automatically.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the block schematic diagram of an embodiment of the present utility model;
Fig. 2 is the block schematic diagram of first aspect of an embodiment of the present utility model;
Fig. 3 is the block schematic diagram of second aspect of an embodiment of the present utility model.
Wherein, Reference numeral
10 universal serial bus hubs
20 operating voltage input sources
30 electric pressure converters
40 universal serial bus controllers
50 switchs
60 system single chips
Embodiment
Below in embodiment, be described in detail detailed features of the present utility model and advantage, its content is enough to make any those skilled in the art to understand technology contents of the present utility model and implements according to this, and according to the disclosed content of this instructions, claim scope and graphic, any those skilled in the art can understand the utility model relevant purpose and advantage easily.Following embodiment further describes viewpoint of the present utility model, but non-to limit category of the present utility model anyways.
Please refer to Fig. 1, be block schematic diagram of the present utility model.The utility model comprises universal serial bus hub 10, electric pressure converter 30, universal serial bus controller 40 and switch 50.
Universal serial bus hub 10 has one first output port and one second output port.Electric pressure converter 30 is electrically connected to operating voltage input source 20, and electric pressure converter 30 writes voltage in order to convert an operating voltage to one.Universal serial bus controller 40 is electrically connected to first output port of operating voltage input source 20 and universal serial bus hub 10.Switch 50 is electrically connected to this universal serial bus controller 40.Switch 50 tools, first end and second end.First end is electrically connected to electric pressure converter 30, and second end is electrically connected to operating voltage input source 20.
In an embodiment of the present utility model, electric pressure converter 30 is a DC-DC converter (DC-DC converter).For example, operating voltage is 5 volts, and to write voltage be 3.8 volts.Magnitude of voltage described herein is the usefulness of signal only, not as restriction of the present utility model.
In an embodiment of the present utility model, second output port of universal serial bus line concentration is connected to system single chip 60, and second output port of universal serial bus line concentration is with write signal or working signal is sent to system single chip 60.Switch 50 is electrically connected to a system single chip 60 devices, and switch 50 will write voltage or operating voltage is sent to system single chip 60.In this embodiment, system single chip 60 can be arranged in the various electronic equipments, such as mouse.
Universal serial bus controller 40 has a universal input/output port, and (General Purpose InputOutput, GPIO), universal input/output port can be for the user by program control use.Universal serial bus controller 40 has a memory body, the program code that memory used for storing is suitable, and this program code is write signal or working signal in order to detect an input signal.
Write signal is in order to change the parameter in the system single chip 60.Write signal can be distinguished into two parts at least, and first is the write operation instruction, and second portion is for writing parameter.Corresponding to a specific system single chip 60, the write operation instruction has set form.Universal serial bus controller 40 can store the feature of this set form in advance, and universal serial bus controller 40 is compared according to this feature and input signal.If input signal meets above-mentioned feature, then universal serial bus controller 40 judges that input signal is a write signal.If input signal does not meet relevant feature, then universal serial bus controller 40 judges that input signal is a working signal.
Please refer to Fig. 2, be first kind of aspect of an embodiment of the present utility model.When second output port that detects universal serial bus hub 10 when universal serial bus controller 40 was write signal, universal serial bus controller 40 transmitted first signal to switch 50 via universal input/output port.Switch 50 switches internal wiring, so that first end and output port form path.At this moment, the burning voltage of electric pressure converter 30 outputs is transferred into system single chip 60 via first end of switch 50.At this moment, system single chip 60 can receive burning voltage and write signal, and the parameter in the system single chip 60 can be by setting again.
Please refer to Fig. 3, be second kind of aspect of an embodiment of the present utility model.When second output port that detects universal serial bus hub 10 when universal serial bus controller 40 was working signal, universal serial bus controller 40 transmitted secondary signal to switch 50 via universal input/output port.Switch 50 switches internal wiring, so that second end and output port form path.The operating voltage of operating voltage input source 20 outputs is transferred into system single chip 60 via second end of switch 50.At this moment, system single chip 60 can receive operating voltage and working signal, and system single chip 60 can be carried out the function that is set.
Further, system single chip data transfer apparatus of the present utility model can be connected to the universal serial bus (USB) of a personal computer.As long as use personal computer, the deviser of product can change the parameter in the system single chip 60 apace.After the parameter that is changing in the system single chip 60, the deviser of product also can test for the function of system single chip 60 immediately.If the dissatisfied test of the deviser of product as a result the time, the deviser of product can be apace parameter in once more the change system single chip 60, satisfy the deviser's of product requirement up to the function of this system single chip 60.
Manufacturing and design cycle with mouse are example, have many parameters to be set in the mouse, such as the sensitivity of mouse.The deviser of mouse can use system single chip data transfer apparatus of the present utility model, and an end of system single chip data transfer apparatus is connected to personal computer, and the other end is connected to mouse.The deviser of mouse can revise the correlation parameter of mouse on personal computer.After having revised, the deviser of mouse can test for the mouse after the modification parameter immediately, and according to the result who tests, the deviser of mouse continues to finely tune the parameter of mouse.Above-mentioned flow process repeatedly, mouse designs person is as long as use a personal computer to finish fast.Therefore, the flow process of product development can significantly be accelerated.
Comprehensive the above, system single chip data transfer apparatus of the present utility model can write signal in the single-chip fast.Compare with prior art, system single chip data transfer apparatus of the present utility model can solve that integrated circuit can't change the function or the problem of parameter easily in the existing technology.So system single chip data transfer apparatus of the present utility model can significantly reduce the design time and the producing cost of product.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (5)
1. a system single chip data transfer apparatus is characterized in that, comprising:
One universal serial bus hub has one first output port and one second output port;
One electric pressure converter is electrically connected to an operating voltage input source, and this electric pressure converter writes voltage in order to convert an operating voltage to one;
One universal serial bus controller is electrically connected to this first output port of this operating voltage input source and this universal serial bus hub; And
One switch is electrically connected to this universal serial bus controller, and this switches utensil one first end and one second end, and this first end is electrically connected to this electric pressure converter, and this second end is electrically connected to this operating voltage input source;
Wherein, when this second output port that detects this universal serial bus hub when this universal serial bus controller is a write signal, this universal serial bus controller transmits one first signal to this switch, this switch is exported this and is write voltage, when this second output port that detects this universal serial bus hub when this universal serial bus controller is a working signal, this universal serial bus controller transmits a secondary signal to this switch, and this switch is exported this operating voltage.
2. system single chip data transfer apparatus according to claim 1 is characterized in that, this electric pressure converter is a DC-DC converter.
3. system single chip data transfer apparatus according to claim 1, it is characterized in that, this universal serial bus controller has a universal input/output port, and this universal serial bus controller is electrically connected to this switch via this universal input/output port.
4. system single chip data transfer apparatus according to claim 1 is characterized in that, this second output port of this universal serial bus hub is electrically connected to a system single chip device.
5. system single chip data transfer apparatus according to claim 1 is characterized in that, this switch is electrically connected to a system single chip device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201745321U CN201527648U (en) | 2009-09-23 | 2009-09-23 | System-on-chip data writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201745321U CN201527648U (en) | 2009-09-23 | 2009-09-23 | System-on-chip data writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201527648U true CN201527648U (en) | 2010-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201745321U Expired - Fee Related CN201527648U (en) | 2009-09-23 | 2009-09-23 | System-on-chip data writing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN201527648U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425236A (en) * | 2012-05-15 | 2013-12-04 | 联发科技股份有限公司 | Device with multipurpose interfaces |
| CN104679569A (en) * | 2015-03-20 | 2015-06-03 | 南通国芯微电子有限公司 | Programming method |
-
2009
- 2009-09-23 CN CN2009201745321U patent/CN201527648U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425236A (en) * | 2012-05-15 | 2013-12-04 | 联发科技股份有限公司 | Device with multipurpose interfaces |
| CN103425236B (en) * | 2012-05-15 | 2016-06-08 | 联发科技股份有限公司 | Possesses the device of multifunctional ports |
| CN104679569A (en) * | 2015-03-20 | 2015-06-03 | 南通国芯微电子有限公司 | Programming method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100714 Termination date: 20170923 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |