CN201001176Y - Universal key control plate capable of configuring interface - Google Patents
Universal key control plate capable of configuring interface Download PDFInfo
- Publication number
- CN201001176Y CN201001176Y CNU2007201180806U CN200720118080U CN201001176Y CN 201001176 Y CN201001176 Y CN 201001176Y CN U2007201180806 U CNU2007201180806 U CN U2007201180806U CN 200720118080 U CN200720118080 U CN 200720118080U CN 201001176 Y CN201001176 Y CN 201001176Y
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- interface
- input
- output module
- row
- keying panel
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Abstract
The utility model provides an universal key control keyboard which can be equipped with an interface. The utility model comprises a first input and output module, a key control keyboard interface, and a resistance network; wherein the input and output module is provided with a first power supply interface and a second power supply interface, and one of the power supply interface is selected by an user; the input and output module is connected with the key control keyboard interface through the resistance network; the resistance network is a resistance matrix configured by the user, through the connection between two points of any row and any rank of the resistance matrix, the user can choose to connect the pin of the key control keyboard interface with the first partial voltage output interface, a ground wire interface, the first power supply interface or the second power supply interface of the first input and output module. The proposal is adopted, the utility model simultaneously supports the 3.3V power supply voltage and the 5V power supply voltage, and simultaneously supports two paths of I/O interfaces, the user can customize the interface configuration, and realize the control on any machine core through the configuration of the configured resistance on the hardware, therefore the utility model is suitable for the debugging and maintenance of all machine models.
Description
Technical field
The utility model relates to the keying panel of television set debugging and maintenance, relates in particular to a kind of general keying panel of configurable interface.
Background technology
Increasing movement and type have appearred in current color television set field, and keying device and receiving system also are to become of a great variety accordingly.In keying panel, different supply power voltages is arranged, that for example have is 3.3V, that have is 5V; Different I/O mouths is arranged, and what have is 1, and what have is 2, even supply power voltage is identical with the I/O mouth, also might cause because the order of the definition of interface is different can not be general.
Simultaneously, the general keying principle of keying panel all is when button is pressed in the color television set, communicates by letter with CPU by the I/O mouth, judges that by CPU the voltage (analog signal) of this I/O mouth, CPU carry out the A/D conversion, and then to judge be which button is pressed.The interface definition pin of button is generally power supply, I/O mouth and ground.Power supply and I/O shared a tunnel are arranged, not only one road I/O mouth that also has, but general two-way is just enough.
Because the interface definition of keying panel all is not configurable, the pinout that is to say power supply, signal, ground all is unmodifiable.In keying panel, different supply power voltages is arranged, for example: that have is 3.3V, that have is 5V; Different I/O mouths is arranged, and what have is 1, and what have is 2, even supply power voltage is identical with the I/O mouth, also might cause because the order of the definition of interface is different can not be general.In dash receiver, also there is same problem.The supply power voltage that receives generally has two kinds of 3.3V and 5V, and the control of LED is had plenty of with a signal line and power supply, has plenty of to use two signal line, can not be suitable for institute's organic type.
Therefore, there is defective in prior art, needs to improve.
The utility model content
The purpose of this utility model is to provide a kind of general keying panel of configurable interface, by the configuration on hardware of disposing resistance being realized the control to any movement, can be applicable to the debugging and the maintenance of institute's organic type.
The technical solution of the utility model is as follows:
A kind of general keying panel of configurable interface, it comprises first input/output module, a keying panel interface and a resistor network; Wherein, described input/output module is provided with first power interface and second source interface, selects to be communicated with one of them power interface by the user; Described input/output module is connected by described resistor network with described keying panel interface; Described resistor network is user configured resistor matrix, the user is used to select to be communicated with the pin of described keying panel interface and the first button dividing potential drop output interface, interface of the ground wire, first power interface or the second source interface of described first input/output module by any row that is communicated with described resistor matrix and two points that are listed as arbitrarily.
Described general keying panel, wherein, described connection is to realize by switch, lead or low resistance resistance.
Described general keying panel, wherein, described first input/output module is provided with 7 buttons.
Described general keying panel, wherein, described keying panel interface is provided with 4 pins.
Described general keying panel, wherein, described resistor matrix is 4 row, 4 row.
Described general keying panel, wherein, it also comprises second input/output module, any row and arbitrarily two points of row of user by being communicated with described resistor matrix are used to select to be communicated with the second button dividing potential drop output interface, interface of the ground wire, first power interface or the second source interface of the pin of described keying panel interface and the described first button dividing potential drop output interface, described second input/output module.
Described general keying panel, wherein, described second input/output module is provided with 7 buttons.
Described general keying panel, wherein, described keying panel interface is provided with 5 pins.
Described general keying panel, wherein, described resistor matrix is 5 row, 5 row.
Adopt such scheme, the utility model provides a kind of general keying panel of configurable interface, support 3.3V and 5V supply power voltage simultaneously, can also support two-way I/O interface simultaneously, the user can self defined interface configuration, and, therefore be applicable to the debugging and the maintenance of institute's organic type by to the control of the configuration realization of configuration resistance on hardware to any movement.
Description of drawings
Fig. 1 is the input/output module schematic diagram of support 3.3V of the present utility model and 5V supply power voltage;
Fig. 2 is the interface schematic diagram of keying panel of the present utility model;
Fig. 3 is a resistor network schematic diagram of the present utility model.
Embodiment
Below preferred embodiment of the present utility model is described in detail.
The utility model provides a kind of general keying panel of configurable interface, comprises first input/output module, a keying panel interface and a resistor network; Described input/output module is provided with two power interfaces, is respectively first power interface and second source interface; Wherein, first power interface and second source interface can be respectively 3.3V interface and 5V interface, and the user selects to be communicated with one of them power interface; Described input/output module is connected by described resistor network with described keying panel interface; Described resistor network is user configured resistor matrix, the user is by any row that is communicated with described resistor matrix and two points that are listed as arbitrarily, be about to point of row arbitrarily and arbitrarily a point of row be connected, thereby according to the annexation of the first button dividing potential drop output, interface of the ground wire, 3.3V interface and the 5V interface of the pin of the described keying panel interface of User Defined and described first input/output module; Be used to select to be communicated with the pin of described keying panel interface and the first button dividing potential drop output interface, interface of the ground wire, first power interface or the second source interface of described first input/output module.Connection described in the utility model can be passed through switch, lead or low resistance resistance and realize, but is not restricted to above-mentioned several mode of communicating.
This programme has adopted the principle of electric resistance partial pressure on the keying principle, with a keying panel with 7 buttons is example, as shown in Figure 1 for supporting the input/output module schematic diagram of 3.3V and 5V supply power voltage, the keying panel I/O part that 7 buttons are promptly arranged, wherein, K1-K7 is a button, and R1-R7 is the resistance of different resistances, wherein, the x in the K button partly is empty pin.When button is pressed, one of them of R1-R7 can be passed through button ground connection, will produce a dividing potential drop at the I/O1 node with R9 or R10 like this, when 3.3V power supply R9 dividing potential drop effective, 5V power supply R10 dividing potential drop is effective, and the selection of 3.3V or 5V power supply is that the resistor network by Fig. 3 carries out.CPU carries out the A/D conversion, and then judges which button is pressed by reading the voltage of I/O1.
General keying panel described in the utility model, described keying panel interface is provided with 4 pins, the annexation of the corresponding first button dividing potential drop output respectively, interface of the ground wire, 3.3V interface and 5V interface, concrete connection can be by User Defined.
Wherein, I/O1,3.3V, this 4 road interface of 5V and GND was realized with being connected by a resistor network of described keying panel interface, this network is that the configurable resistance of user is selected rectangular array, the user can connect any 2 points of row and column by 0 Ohmic resistance, and user-defined like this interface just can communicate with keying unit.Described resistor matrix is 4 row, 4 row.
Can be when on pcb board, realizing with the top layer of row of channels cloth at pcb board, Lie Tongdaobu is at the bottom of pcb board, and the resistance in the matrix is placed on the top layer element layer, and resistance is connected by via hole with bottom row passage.
General keying panel described in the utility model, it also comprises second input/output module, any row and arbitrarily two points of row of user by being communicated with described resistor matrix are used to select to be communicated with the second button dividing potential drop output interface, interface of the ground wire, first power interface or the second source interface of the pin of described keying panel interface and the described first button dividing potential drop output interface, described second input/output module.Be that this programme can adopt two-way I/O mouth, second input/output module also can have 7 keys, and first input/output module and second input/output module be totally 14 buttons, and the keypress function of current color television set is enough used.Wherein the I/O2 part partly is identical circuit with I/O1, is similar to accompanying drawing 1.I/O1 like this, I/O2,3.3V, 5V and GND amount to the interface of 5 tunnel different definition.Therefore, output at keying panel, can 5 pins be set at described keying panel interface, for example designed a predetermined 5PIN interface as shown in Figure 2, wherein, PIN1-5 is user-defined, and the definition that is to say this 5PIN pin is to want the mainboard of keying to define according to us, the annexation of corresponding first button dividing potential drop output respectively, the second button dividing potential drop output, interface of the ground wire, 3.3V interface and 5V interface.
I/O1, I/O2,3.3V, this 5 road interface of 5V and GND was realized with being connected by a resistor network of CON1, as shown in Figure 3, this network is that the configurable resistance of user is selected rectangular array, and the user can connect any 2 points of row and column by 0 Ohmic resistance or other low resistance resistance, switch or lead, and user-defined like this interface just can communicate with keying unit.Described resistor matrix is 5 row, 5 row, as shown in Figure 3, lead 1 to 5 is the PIN1-5 shown in the accompanying drawing 2, when the output of the User Defined lead 1 connection first button dividing potential drop, lead 2 connect the output of the second button dividing potential drop, lead 3 connects interface of the ground wire, when lead 4 connection 3.3V interfaces are connected the 5V interface with lead 5, then is communicated with first row and secondary series, second row and the 3rd row, the third line and first row, fourth line and the 4th row, fifth line and the 5th row respectively; Concrete mode of communicating as described above.The situation of concrete similar 4 row, 4 row repeats no more herein when realizing on pcb board.
Specifically, to a TV SKD, no matter be CRT or LCD, realize keying to it.At first seeking keying panel socket on the mainboard, generally is nearer one of distance C PU.Measure supply power voltage by universal instrument, judgement is 5V or 3.3V power supply.Measure lower margin by universal instrument then, the residue interface is the I/O mouth, is generally one the road or two-way.So just measured the definition of mainboard interface, the definition of each pin of socket promptly shown in Figure 2 is connected communication by resistor network shown in Figure 3 with keying panel shown in Figure 1 then.
Should be understood that, for those of ordinary skills, can be improved according to the above description or conversion, and all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (9)
1, a kind of general keying panel of configurable interface is characterized in that, comprises first input/output module, a keying panel interface and a resistor network; Wherein,
Described input/output module is provided with first power interface and second source interface, selects to be communicated with one of them power interface by the user;
Described input/output module is connected by described resistor network with described keying panel interface;
Described resistor network is user configured resistor matrix, the user is used to select to be communicated with the pin of described keying panel interface and the first button dividing potential drop output interface, interface of the ground wire, first power interface or the second source interface of described first input/output module by any row that is communicated with described resistor matrix and two points that are listed as arbitrarily.
2, general keying panel according to claim 1 is characterized in that, described connection is to realize by switch, lead or low resistance resistance.
3, according to claim 1 or 2 arbitrary described general keying panels, it is characterized in that described first input/output module is provided with 7 buttons.
4, general keying panel according to claim 3 is characterized in that, described keying panel interface is provided with 4 pins.
5, general keying panel according to claim 4 is characterized in that, described resistor matrix is 4 row, 4 row.
6, according to claim 1 or 2 arbitrary described general keying panels, it is characterized in that, it also comprises second input/output module, any row and arbitrarily two points of row of user by being communicated with described resistor matrix are used to select to be communicated with the second button dividing potential drop output interface, interface of the ground wire, first power interface or the second source interface of the pin of described keying panel interface and the described first button dividing potential drop output interface, described second input/output module.
7, general keying panel according to claim 6 is characterized in that, described second input/output module is provided with 7 buttons.
8, general keying panel according to claim 6 is characterized in that, described keying panel interface is provided with 5 pins.
9, general keying panel according to claim 6 is characterized in that, described resistor matrix is 5 row, 5 row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201180806U CN201001176Y (en) | 2007-01-11 | 2007-01-11 | Universal key control plate capable of configuring interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201180806U CN201001176Y (en) | 2007-01-11 | 2007-01-11 | Universal key control plate capable of configuring interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201001176Y true CN201001176Y (en) | 2008-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201180806U Expired - Fee Related CN201001176Y (en) | 2007-01-11 | 2007-01-11 | Universal key control plate capable of configuring interface |
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| CN (1) | CN201001176Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095307A (en) * | 2013-01-18 | 2013-05-08 | 深圳市芯海科技有限公司 | Matrix switch key |
| CN103178825A (en) * | 2011-12-22 | 2013-06-26 | 联发科技股份有限公司 | Apparatus for performing key control |
-
2007
- 2007-01-11 CN CNU2007201180806U patent/CN201001176Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103178825A (en) * | 2011-12-22 | 2013-06-26 | 联发科技股份有限公司 | Apparatus for performing key control |
| CN103178825B (en) * | 2011-12-22 | 2016-01-06 | 联发科技股份有限公司 | Key control device |
| CN103095307A (en) * | 2013-01-18 | 2013-05-08 | 深圳市芯海科技有限公司 | Matrix switch key |
| CN103095307B (en) * | 2013-01-18 | 2016-03-30 | 深圳市芯海科技有限公司 | A kind of matrix switch key |
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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: 20080102 Termination date: 20150111 |
|
| EXPY | Termination of patent right or utility model |