CN1591300A - Multi-mode driving device for touch controlling panel - Google Patents
Multi-mode driving device for touch controlling panel Download PDFInfo
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- CN1591300A CN1591300A CNA031565174A CN03156517A CN1591300A CN 1591300 A CN1591300 A CN 1591300A CN A031565174 A CNA031565174 A CN A031565174A CN 03156517 A CN03156517 A CN 03156517A CN 1591300 A CN1591300 A CN 1591300A
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- axis
- contact panel
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Abstract
The present invention discloses a driving device for driving various touch control panels by using various working modes. Said driving device includes: a buffer storage unit, used for setting various drive working modes of driving device; a working mode setting unit, used for setting switch cell signal ni the buffer storage unit into different working mode; a X and Y axis data fetch unit, used for fetching X and Y axis data of touch control panel; an A/D unit, used for converting analog signal of X and Y axis into digital signal; and a transmission interface unit, used for transferring the digital signal of A/D unit into microprocessor.
Description
Technical field
The present invention relates to a kind of drive unit of contact panel, particularly a kind of drive unit that has various mode of operation can drive various contact panels by various mode of operation of this drive unit.
Background technology
Employed display screen all uses digital contact panel on known present portable computer or the mobile phone, so, the user carries out every feature operation except using button own, also can utilize contact panel to carry out every function operations, thereby the user is convenient, easy in operation.
General contact panel need come the activation manipulation function by a drive unit in the use, but present existing driving circuit all is to do driving with a kind of driving circuit at a kind of contact panel of specific pattern, and type of drive also only have a kind of, cause like this deviser the design process in can only consider and design a kind of type of drive.
Therefore, how to develop a kind of drive unit, so that the deviser can consider multiple type of drive in the process of design, and this drive unit can drive the contact panel of different types, become one of present most important problem.
Summary of the invention
So, fundamental purpose of the present invention is to improve the defective of the drive unit of above-mentioned single drive mode, for avoiding the existence of this defective, it provides a kind of various drive unit of contact panel, it is by the buffer unit cooperating mode initialization unit of one 8 bits, thereby 16 kinds of different task driven patterns can be provided, so that the deviser can consider multiple design when design.
Description of drawings
Fig. 1 is the circuit box synoptic diagram of drive unit of the present invention.
Fig. 2 is the synoptic diagram of 8 line formula contact panels.
Fig. 3 is the 8 kind mode of operations () of the present invention after the Working mode set unit is set.
Fig. 4 is the 8 kind mode of operations (two) of the present invention after the Working mode set unit is set.
Embodiment
Relevant detailed content of the present invention and technical descriptioon, existing accompanying drawings is as follows:
At first, seeing also shown in Figure 1ly, is the circuit box synoptic diagram of drive unit of the present invention, as shown in the figure; The present invention is a kind of various drive unit 70 of contact panel, and it mainly comprises a buffer unit 10, an X, Y-axis data-reading unit 20, a Working mode set unit 30, an analog/digital unit 40, reaches a transmission interface unit 50.
At first, this buffer unit 10 is buffers of one 8 bits, comprises: D
7(a), D
6(b), D
5(c), D
4(d), D
3(e), D
2(f), D
1(g), D
0(h) etc. bit is set the mode of operation of this various drive unit 70 in order to the user to be provided.
Wherein, this D
7(a)～D
4(d) be the setting bit 11 of one 4 bits, in order to setting 16 kinds of mode of operations, and this D
7(a)～D
4(d) signal line is connected to the input end of this Working mode set unit 30; In addition, this D
3(e)～D
2(f) be the Y-axis detecting bit 12 of one 2 bits, set 4 different detecting circuits in order to Y-axis to be provided, and this D
3(e)～D
2(f) signal is connected to the input end of the Y-axis data 22 of X, Y-axis data-reading unit 20; And this D
1(g)～D
0(h) then be the X-axis detecting bit 13 of one 2 bits, set 4 different detecting circuits in order to X-axis to be provided, and this D
1(g)～D
0(h) signal is connected to the input end of the X-axis data 21 of X, Y-axis data-reading unit 20.
In addition, include two groups of commutation circuits 23,24 in this X, the Y-axis data-reading unit 20, and X-axis data 21 and Y-axis data 22; This commutation circuit 23,24 is in order to select the detecting circuit of X, Y-axis.
In addition, this Working mode set unit 30 has 8 reversible lines and 8 unidirectional transmission lines respectively, these 8 reversible lines comprise A～H PORT (interface), be connected with 8 payment to a porter of the contact panel 80 of 8 line formulas (A '～H ') respectively, as shown in Figure 2, be the synoptic diagram of 8 line formula contact panels; These 8 unidirectional transmission lines include I, J, K, L and M, N, O, two groups of circuits of P in addition, are connected to the input end of the commutation circuit 23,24 of X, Y-axis data-reading unit 20 respectively; Be provided with a combinational logic circuit 31 and one 8 line multiplexers 32 in this Working mode set unit 30, can be by this combinational logic circuit 31 and multiplexer 32 with D in the buffer unit 10
7(a)～D
4(d) bit signal is set 16 kinds of mode of operations for, as shown in Figures 3 and 4, is the 16 kind mode of operations of the present invention after the Working mode set unit is set, and comprises MOD
0～MOD
15
This analog/digital unit 40 converts X-axis data 21 and Y-axis data 22 resulting simulated datas to numerical data, again this numerical data is transferred to a micro computer processing unit 60 by a transmission interface unit 50.
Form various drive unit 70 of the present invention by above-mentioned each unit, various mode of operation that provides that this device is emphasized drives contact panel 80, and this contact panel 80 can be any electric resistance touch-control panel, and the present invention exemplifies the contact panel of 8 line formulas as preferred embodiment, for further understanding technical characterictic of the present invention, now be described as follows for an embodiment:
At first, with 8 bit D of buffer unit 10
7(a)～D
0Be set at (h) that { 11010110} is because of this D
7(a)～D
4(d) etc. bit is to be operated in which kind of pattern in order to set the present invention, wherein this D
7(a)～D
4(d) etc. bit be 1101}, decimalize is 13, promptly representing mode of operation is MOD
13, (seeing also shown in the 4th figure) will { 1101} inputs to Working mode set unit 30, and combinational logic circuit 31 and 8 line multiplexers 32 by inside calculate MOD
13Duty, as shown in the figure: detecting is during X-axis, and the state of reversible line A～D PORT (interface) is all and scans (SENSR) state and be input state, and the state of E～H PORT (interface) to be respectively 0V, open circuit, 5V, open circuit be output state; When reviewing the detecting Y-axis, the state of transmission line reversible line A～DPORT (interface) then is respectively open circuit, 5V, open circuit, 0V and is output state, and the state of M～P PORT (interface) be all scan (SENSR) state and for input state (because of how computing of combinational logic circuit 31 and multiplexer 32, it is not the technology of the present invention feature, and those of ordinary skills also know this technology very much, so the present invention is not to this
Technology contents illustrates in detail);
Moreover, because of this D
3(e)～D
2(f) in order to provide Y-axis to select different detecting circuits, this D in the above-described embodiments
3(e)～D
2(f) bit be 01}, decimalize is 1, during expression desire detecting Y-axis data 22, selects N as the detecting circuit; And this D
1(g)～D
0(h) in order to provide X-axis to select different detecting circuits, in the above-described embodiments, this D
1(g)～D
0(h) bit is 10, and decimalize is 2, during expression desire detecting X-axis data 21, selects K as the detecting circuit.
At last, when these X-axis data 21 and Y-axis data 22 detect the simulated data of contact panel 80, convert X-axis data 21 and Y-axis data 22 resulting simulated datas to numerical data by this analog/digital unit 40 again, again this numerical data is transferred to a micro computer processing unit 60 by transmission interface unit 50, can learn the X of contact panel 80, the data of Y-axis thus.
In view of the above, the present invention can utilize 4 bit D of buffer unit 10
7(a)～D
4(d) by { 0000}～{ 1111} sets 16 kinds of different mode of operations for, so that the user can consider multiple type of drive when design, but not have only a kind of mode of operation as the type of drive of traditional drive unit, cause the user only can consider single drive mode; And D
3(e)～D
2(f) and D
1(g)～D
0(h) provide the user when detecting X, Y-axis signal, to have 4 detecting circuits available, can be when wherein a detecting circuit can't use by D
3(e)～D
2(f) and D
1(g)～D
0(h) bit is set, and selects other detecting circuit.
Obviously, for a person skilled in the art, under the prerequisite that does not deviate from the spirit and scope of the present invention, can make various changes and variation to the present invention.Therefore, various change of the present invention, the content that changes by appending claims and equivalent thereof contain.
Claims (3)
1. various drive unit of a contact panel, it provides a kind of and has driven the drive unit of various contact panels (80) with various mode of operation, it is characterized in that described drive unit comprises:
One buffer unit (10) is in order to set the various drive work mode of described drive unit;
One receives the Working mode set unit (30) of described buffer unit (10) bit signal, inside is provided with a combinational logic circuit (31) and array multiplexer (30), sets the bit signal in the described buffer unit (10) for different mode of operation by described combinational logic circuit (31) and described multiplexer (30);
One receives X, the Y-axis data-reading unit (20) of described Working mode set unit (30) output signal, in order to X, Y-axis data (21), (22) of reading described contact panel (80);
The analog/digital unit (40) of the described X of the described X of one reception, Y-axis data-reading unit (20), Y-axis data (21), (22) converts digital signal in order to the analog signal with X, Y-axis;
One receives the X of described analog/digital unit (40), the transmission interface unit (50) of Y-axis digital signal.
2. various drive unit of a kind of contact panel according to claim 1 is characterized in that, includes two groups of commutation circuits (23), (24) in described X, the Y-axis data-reading unit (20), and X-axis data (21) and Y-axis data (22).
3. various drive unit of a kind of contact panel according to claim 1, it is characterized in that, described Working mode set unit (30) includes 8 reversible lines and 8 unidirectional transmission lines, described reversible line is connected with the payment to a porter of described contact panel (80), and described unidirectional transmission line then is connected to described X, Y-axis data-reading unit (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031565174A CN1303507C (en) | 2003-09-03 | 2003-09-03 | Multi-mode driving device for touch controlling panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031565174A CN1303507C (en) | 2003-09-03 | 2003-09-03 | Multi-mode driving device for touch controlling panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1591300A true CN1591300A (en) | 2005-03-09 |
| CN1303507C CN1303507C (en) | 2007-03-07 |
Family
ID=34598447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031565174A Expired - Fee Related CN1303507C (en) | 2003-09-03 | 2003-09-03 | Multi-mode driving device for touch controlling panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1303507C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788868B (en) * | 2008-07-29 | 2011-07-27 | 友达光电股份有限公司 | Display device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2282721B (en) * | 1993-09-30 | 1997-08-20 | Advanced Risc Mach Ltd | Output signal driver |
| US6622211B2 (en) * | 2001-08-15 | 2003-09-16 | Ip-First, L.L.C. | Virtual set cache that redirects store data to correct virtual set to avoid virtual set store miss penalty |
-
2003
- 2003-09-03 CN CNB031565174A patent/CN1303507C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101788868B (en) * | 2008-07-29 | 2011-07-27 | 友达光电股份有限公司 | Display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1303507C (en) | 2007-03-07 |
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| PB01 | Publication | ||
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| 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: 20070307 Termination date: 20170903 |
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| CF01 | Termination of patent right due to non-payment of annual fee |