CN1464362A - Digital board apparatus integrated circuit - Google Patents
Digital board apparatus integrated circuit Download PDFInfo
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- CN1464362A CN1464362A CN 02122738 CN02122738A CN1464362A CN 1464362 A CN1464362 A CN 1464362A CN 02122738 CN02122738 CN 02122738 CN 02122738 A CN02122738 A CN 02122738A CN 1464362 A CN1464362 A CN 1464362A
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- circuit
- microprocessor
- serial bus
- universal serial
- usb universal
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Abstract
The present invention is IC for digital board unit. The digital board set beside keyboard is provided with USB hub and card reader, microprocessor and USB output interface. The microprocessor has the internal circuits including keyboard matrix circuit, multiplexing array circuit, flash memory interface circuit and hub circuit; and the microprocessor IC includes hub IC, digital board IC and keyboard IC integrated together, and the single USB interface is used as I/O bridge. When some signal is input by the user in different modes, the microprocessor can receive different data from the hub, the digital board or the keyboard; and the microprocessor processed data are transmitted to the USB interface. The present invention has multifunction, less jamming, low cost and high practicability.
Description
Technical field
The present invention relates to a kind of integrated circuit, particularly a kind of digital board apparatus integrated circuit that is integrated into a microprocessor IC by hub IC and keyboard IC.
Background technology
Be the cyberage that adapts to modern diversification and the demand in global market, digital and electronic conformability product is an inexorable trend, press general traditional employed IC circuit (as digiboard, keyboard and mouse etc.) device, be to utilize a plurality of IC to form the circuit of simple function, though can reach the required function of user, but disadvantage is to use IC quantity more, and each IC only provides a circuit function, as form a digital board apparatus, must use multiplex's array circuit IC respectively, amplifying circuit IC, phase place is selected IC, signal processing IC and interface circuit IC, yet it is higher to weld the cost that these IC need expend, failure rate and consumption rate are also bigger, more can't reduce noise and disturb;
Therefore, how providing a kind of digital board apparatus integrated circuit, is for exciting the inventor's invention motivation place.
In view of this, the inventor makes the present invention be born itself to be engaged in the relevant industries many years of experience and constantly to ponder over research eventually.
Summary of the invention
The present invention will provide a kind of digital board apparatus integrated circuit, and make it that multiple function can be provided and reduce noise signal and disturb with solution, and the technical matters that reduces cost.
It is such solving the problems of the technologies described above the technical scheme that is adopted:
A kind of digital board apparatus integrated circuit, it is characterized in that: this keyboard one side is provided with digiboard, and this digiboard is provided with USB universal serial bus hub and card reader, transfer to a microprocessor and be integrated into same USB universal serial bus splicing interface output, allow user's efficient improve, this microprocessor internal circuit includes:
One keyboard matrix circuit: its keyboard input data is encoded via keyboard matrix circuit, and passes through the microprocessor computing and carry out transmission command to USB universal serial bus interface, is connected with computer via USB universal serial bus interface circuit;
One multiplex's array circuit: this pointer is defeated writing on digiboard, and respond to the orientation pressure of this pointer by this multiplex's array circuit, via circuit for detecting with the signal processing and amplifying, and pass through the microprocessor computing and carry out transmission command to USB universal serial bus interface, should be connected with computer via USB universal serial bus interface circuit;
One flash cards interface circuit: this flash memory is inserted in card reader, promptly detect by microprocessor, and detect this card reader position, and be connected with computer by this microprocessor, the data that desire stores can be sent to microprocessor by USB universal serial bus interface circuit, otherwise, then the data that desire stores can be moved to USB universal serial bus interface circuit by microprocessor, utilize this microprocessor to write and to read storing data in flash memory;
One hub circuit: this hub circuit can be pegged graft for the transmission equipment of a plurality of USB universal serial bus interfaces, and this hub circuit has the Auto-Sensing computer function, can make this computer expert cross USB universal serial bus interface circuit to device action, it is supportive to increase its function.
A kind of digital board apparatus integrated circuit of the present invention, be to be provided with digiboard in keyboard one side, and this digiboard is provided with USB (Universal Serial Bus) universal serial bus hub and card reader, and be integrated into same USB (Universal Serial Bus) universal serial bus splicing interface output, allow user's efficient improve, this microprocessor internal circuit includes:
One keyboard matrix circuit: its keyboard input data is encoded via keyboard matrix circuit, and pass through the microprocessor computing and carry out transmission command to USB (Universal Serial Bus) universal serial bus interface, be connected with computer via USB universal serial bus interface circuit;
One multiplex's array circuit: this pointer is defeated writing on digiboard, and respond to the orientation pressure of this pointer by this multiplex's array circuit, via circuit for detecting with the signal processing and amplifying, and pass through the microprocessor computing and carry out transmission command to USB universal serial bus interface, should be connected with computer via USB universal serial bus interface circuit;
One flash cards interface circuit: when flash memory is inserted in card reader, promptly detect by microprocessor, and detect this card reader position, be connected with computer by this microprocessor, the data that desire stores can be sent to microprocessor by USB universal serial bus interface circuit, otherwise, then the data that desire stores can be moved to USB universal serial bus interface circuit by microprocessor, utilize this microprocessor to write and to read storing data in flash memory;
One hub circuit: this hub circuit can be pegged graft for the transmission equipment of a plurality of USB universal serial bus interfaces, and this hub circuit has the Auto-Sensing computer function, can make this computer expert cross USB universal serial bus interface circuit to device action, make it that multiple function can be provided and reduce noise signal and disturb thereby solved, and the technical matters that reduces cost.
The present invention is simple in structure, and its advantage is as follows:
1, saves cost, efficient raising;
2, tool power saving effect;
3, reducing noise disturbs;
4, improve signal quality;
5, integration is used the addressing of same USB universal serial bus, can be saved the addressing resource.
6, value on tool business circles and the industrial community.
Description of drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is an internal configurations calcspar of the present invention.
Fig. 3 is a block flow diagram of the present invention.
Embodiment
As shown in Figure 1, 2, 3, the present invention provides a kind of digital board apparatus integrated circuit, wherein, these keyboard 2 one sides are provided with digiboard 3, and this digiboard 3 is provided with USB (Universal SerialBus) universal serial bus hub 5 and card reader 6, handle and be integrated into same USB (Universal Serial Bus) universal serial bus splicing interface output plug 7 by a microprocessor 8, to reach the resource of saving addressing;
These microprocessor 8 internal circuits include:
One keyboard matrix circuit 81: its keyboard 2 input data are encoded via keyboard matrix circuit 81, and pass through microprocessor 8 computings and carry out transmission command to USB universal serial bus interface, are connected with computer 89 via USB universal serial bus interface circuit 88;
One multiplex's array circuit 83: this pointer 82 is write on digiboard 3, and by the orientation pressure of this multiplex's array circuit 83 these pointer 82 of induction, via circuit for detecting 86 with the signal processing and amplifying, and pass through microprocessor 8 computings and carry out transmission command to USB universal serial bus interface, should be connected with computer 89 via USB universal serial bus interface circuit 88;
One flash cards interface circuit 85: when flash memory 84 is inserted in card reader 6, promptly by flash cards interface circuit 85 and microprocessor 8 detectings, and detect this card reader 6 positions, be connected with computer 89 by this microprocessor 8, the data that desire stores can be sent to microprocessor 8 by USB universal serial bus interface circuit 88, otherwise, then the data that desire stores can be moved to USB universal serial bus interface circuit 88 by microprocessor 8, utilize this microprocessor 8 to write and to read storing data in flash memory 84;
One hub circuit 87: this hub circuit 87 can be pegged graft for the transmission equipment of a plurality of USB universal serial bus interfaces, and this hub circuit 87, have Auto-Sensing computer 89 functions, can make this computer 89 by 88 pairs of device actions of USB universal serial bus interface circuit;
By above-mentioned circuit integrated be a microprocessor IC, and use single USB universal serial bus interface to be made for output and go into to link up bridge, reduce cost and use multi-functional intercommunication supportive and reach.
In sum, novelty, the practicality of institute of the present invention tool have met the application important document of patent of invention, so propose application for a patent for invention in accordance with the law.
Claims (1)
1, a kind of digital board apparatus integrated circuit, it is characterized in that: this keyboard one side is provided with digiboard, and this digiboard is provided with USB universal serial bus hub and card reader, transfer to a microprocessor and be integrated into same USB universal serial bus splicing interface output, this microprocessor internal circuit includes:
One keyboard matrix circuit: its keyboard input data is encoded via keyboard matrix circuit, and passes through the microprocessor computing and carry out transmission command to USB universal serial bus interface, is connected with computer via USB universal serial bus interface circuit;
One multiplex's array circuit: this pointer is defeated writing on digiboard, and respond to the orientation pressure of this pointer by this multiplex's array circuit, via circuit for detecting with the signal processing and amplifying, and pass through the microprocessor computing and carry out transmission command to USB universal serial bus interface, should be connected with computer via USB universal serial bus interface circuit;
One flash cards interface circuit: this flash memory is inserted in card reader, promptly detect by microprocessor, and detect this card reader position, and be connected with computer by this microprocessor, the data that desire stores can be sent to microprocessor by USB universal serial bus interface circuit, otherwise, then the data that desire stores can be moved to USB universal serial bus interface circuit by microprocessor, utilize this microprocessor to write and to read storing data in flash memory;
One hub circuit: this hub circuit can be pegged graft for the transmission equipment of a plurality of USB universal serial bus interfaces, and this hub circuit has the Auto-Sensing computer function, can make this computer expert cross USB universal serial bus interface circuit to device action.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02122738 CN1464362A (en) | 2002-06-07 | 2002-06-07 | Digital board apparatus integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02122738 CN1464362A (en) | 2002-06-07 | 2002-06-07 | Digital board apparatus integrated circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1464362A true CN1464362A (en) | 2003-12-31 |
Family
ID=29743328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02122738 Pending CN1464362A (en) | 2002-06-07 | 2002-06-07 | Digital board apparatus integrated circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1464362A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841552A (en) * | 2011-06-20 | 2012-12-26 | 太瀚科技股份有限公司 | Digital board integrated chip |
-
2002
- 2002-06-07 CN CN 02122738 patent/CN1464362A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102841552A (en) * | 2011-06-20 | 2012-12-26 | 太瀚科技股份有限公司 | Digital board integrated chip |
| CN102841552B (en) * | 2011-06-20 | 2014-12-17 | 太瀚科技股份有限公司 | Digital board integrated chip |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |