CN104503611B - A kind of Multifunctional touching integrated circuit, chip and touch screen terminal - Google Patents

A kind of Multifunctional touching integrated circuit, chip and touch screen terminal Download PDF

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Publication number
CN104503611B
CN104503611B CN201410749183.7A CN201410749183A CN104503611B CN 104503611 B CN104503611 B CN 104503611B CN 201410749183 A CN201410749183 A CN 201410749183A CN 104503611 B CN104503611 B CN 104503611B
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China
Prior art keywords
touch
connecting part
power supply
electric connecting
data
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Expired - Fee Related
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CN201410749183.7A
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Chinese (zh)
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CN104503611A (en
Inventor
周忠
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SHENZHEN HAIFULAI ELECTRONIC Co Ltd
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SHENZHEN HAIFULAI ELECTRONIC Co Ltd
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Priority to CN201410749183.7A priority Critical patent/CN104503611B/en
Publication of CN104503611A publication Critical patent/CN104503611A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0416Control or interface arrangements specially adapted for digitisers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Transceivers (AREA)
  • Position Input By Displaying (AREA)

Abstract

The present invention is applied to integrated circuit fields, provide a kind of Multifunctional touching integrated circuit, chip and touch screen terminal, the Multifunctional touching integrated circuit is connected by electric connecting part with master control communication unit, including two power supply PAD and three data PAD, it is connected respectively by electric connecting part with master control communication unit, the Multifunctional touching integrated circuit also includes:CDC touch-control modules, it is connected with power supply PAD and data PAD;NFC radio-frequency modules, it is connected with power supply PAD and data PAD;Processing unit, it is connected with power supply PAD and CDC touch-control module, NFC radio-frequency modules;Memory cell, it is connected with processing unit.The present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, it is realized touch controllable function and NFC function simultaneously, makes to reduce by a chips in terminal system, reduces volume and system failure rate, reduces by a 3PIN winding displacement, reduces cost.

Description

A kind of Multifunctional touching integrated circuit, chip and touch screen terminal
Technical field
The invention belongs to integrated circuit fields, more particularly to a kind of Multifunctional touching integrated circuit, chip and touch-screen are whole End.
Background technology
With the swift and violent hair of electronics industry, the mobile terminal such as mobile phone, tablet personal computer presently more than 80 percent is adopted Realized with touch technology, and near-field communication technology (Near Field Communication, NFC), as a kind of short-range High frequency wireless communication technology, due to having with the field such as natural security, the payment being considered as in the mobile terminals such as mobile phone There is very big application prospect.
At present, in the terminal, NFC and touch technology are two independent cores by being distributed in diverse location respectively Piece realizes identification control with master control communication, but small product size can be caused to increase using excessive chip in the terminal, cost liter Height, with being runed counter to currently for thinner, smaller, the less expensive design concept of electronic product.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of Multifunctional touching integrated circuit, it is intended to which solution uses two chips Realizing the identification of NFC and touch technology respectively causes the problem of small product size is big, and cost is high.
The embodiment of the present invention is achieved in that a kind of Multifunctional touching integrated circuit, passes through electric connecting part and master control Communication unit connects, and the integrated circuit includes two power supply PAD and three data PAD, two power supply PAD pass through described Two power ends of the electric connecting part respectively with the master control communication unit are connected, and three data PAD pass through the electrical connection Part is connected with three data terminals of the master control communication unit respectively, and the integrated circuit also includes:
CDC touch-control modules, the connection corresponding with two power supply PAD of the power end of the CDC touch-control modules, the CDC touch-controls First group of data terminal of module is connected with three data PAD;
NFC radio-frequency modules, the connection corresponding with two power supply PAD of the power end of the NFC radio-frequency modules, the NFC radio frequencies First group of data terminal of module is connected with three data PAD;
Processing unit, the connection corresponding with two power supply PAD of the power end of the processing unit, the first of the processing unit Group data terminal it is corresponding with second group of data terminal of the CDC touch-control modules connect, second group of data terminal of the processing unit and Second group of data terminal of the NFC radio-frequency modules is corresponding to be connected;
Memory cell, the memory cell are connected with the processing unit storage end.
The another object of the embodiment of the present invention is to provide a kind of using the multi-functional of above-mentioned Multifunctional touching integrated circuit Chip is touched, the chip also includes two power supply PIN and three data PIN;
The power supply PIN and data PIN by packaging and routing respectively with PAD pairs of the power supply PAD and the data It should connect, two power supply PIN are connected by two power ends of the electric connecting part respectively with the master control communication unit, three The data PIN is connected with three data terminals of the master control communication unit respectively by electric connecting part.
The another object of the embodiment of the present invention is to provide a kind of touch screen terminal for including above-mentioned Multifunctional touching chip, The touch screen terminal also includes:
Cover plate, touch screen function area, electric connecting part, master control communication unit;
First face in the touch screen function area connects with cover plate pressing, second face in the touch screen function area with The electric connecting part connection, the Multifunctional touching chip are fixedly connected on the electric connecting part, the electrical connection section Part is also connected with the master control communication unit;
First face in the touch screen function area is opposite with the second face.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, it is realized simultaneously Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one 3PIN winding displacements, reduce cost.
Brief description of the drawings
Fig. 1 is the structure chart of Multifunctional touching integrated circuit provided in an embodiment of the present invention;
Fig. 2 is the structure chart of Multifunctional touching chip provided in an embodiment of the present invention;
Fig. 3 a are the facing structure figure of touch screen terminal provided in an embodiment of the present invention;
Fig. 3 b are the side block diagram of touch screen terminal provided in an embodiment of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
The embodiment of the present invention integrates CDC (Charge Discharge Coupling, electric capacity detecting) in same chip and touched Module and NFC radio-frequency modules are controlled, it is realized touch controllable function and NFC function simultaneously, makes terminal system BOM (Bill Of Material, BOM) one chips of middle reduction, volume and system failure rate are reduced, reduces by a 3PIN winding displacement, reduces Cost.
It is described in detail below in conjunction with realization of the specific embodiment to the present invention:
Fig. 1 shows the structure of Multifunctional touching integrated circuit provided in an embodiment of the present invention, for convenience of description, only shows Part related to the present invention is gone out.
As one embodiment of the invention, the Multifunctional touching integrated circuit 1 can be encapsulated as Multifunctional touching chip, application In the touch screen terminals such as mobile phone, POS.
As one embodiment of the invention, the Multifunctional touching integrated circuit 1 is communicated single by electric connecting part 102 and master control Member 2 connects, and Multifunctional touching integrated circuit 1 includes two power supply PAD and three data PAD, two power supply PAD pass through electrical connection Part 102 is connected with two power ends of master control communication unit 2 respectively, three data PAD by electric connecting part 102 respectively with master Three data terminals connection of communication unit 2 is controlled, Multifunctional touching integrated circuit 1 also includes:
CDC touch-control modules 11, the connection corresponding with two power supply PAD of the power end of CDC touch-control modules 11, CDC touch-control modules 11 first group of data terminal is connected with three data PAD;
NFC radio-frequency modules 12, the connection corresponding with two power supply PAD of the power end of NFC radio-frequency modules 12, NFC radio-frequency modules 12 first group of data terminal is connected with three data PAD;
Processing unit 13, the connection corresponding with two power supply PAD of the power end of processing unit 13, first group of processing unit 13 Data terminal connection corresponding with second group of data terminal of CDC touch-control modules 11, second group of data terminal and the NFC radio frequencies of processing unit 13 Second group of data terminal of module 12 is corresponding to be connected;
As a preferred embodiment of the present invention, the processing unit 13 can use arm processor or 8051 chip microcontrollers.
Memory cell 14, memory cell 14 are connected with the storage end of processing unit 13.
As a preferred embodiment of the present invention, the memory cell 14 can include ROM and RAM.
As a preferred embodiment of the present invention, the electric connecting part 102 can use touch-screen flexible PCB to realize, especially It can select the touch-screen flexible PCB of covering Ferrite Material to realize.
In conventional mobile phone, such as to realize that NFC function and touch control function need two chips, wherein touch control core Communicated between piece and master control communication unit 2 by five lines, including three connections and two power lines;NFC chip and master Communicated between control communication unit 2 by three lines, including a connection and two power lines.
In embodiments of the present invention, the NFC radio-frequency modules 12 that will be carried out NFC function have been integrated into touch control chip In, CDC touch-control modules 11 and NFC radio-frequency modules 12 is realized data processing by same processing unit 11, and share RAM and ROM, only CDC touch-control modules 11 and NFC radio-frequency modules 12 be work independently, so integrate after single integrated circuit chip and Only communicated between master control communication unit 2 by five lines, wherein three connections, two power lines, its resource distribution are more closed Reason, chip area are smaller, more efficient.
In embodiments of the present invention, the electric connecting part (FPC) not only acts as connection single integrated circuit chip 1 and led to master control The effect of unit 2 (mainboard of the touch terminal such as mobile phone, POS), while the antenna also as NFC radio-frequency modules 12 are interrogated, enters one Step improves recognition speed and the sensitivity of radiofrequency signal.
In embodiments of the present invention, the putting position of CDC touch-control modules 11 and NFC radio-frequency modules 12 should be made as far as possible remote, with Reduce electromagnetic interference problem caused by the signal between two modules.
More preferably, wall (GND bands) can be configured between CDC touch-control modules 11 and NFC radio-frequency modules 12 to be used for isolating Two modules, further to reduce signal interference problem, or can a radome be at least set in a module, for isolating two Module, further to reduce signal interference problem, certainly, do not consider cost factor, can also be in CDC touch-control modules 11 and NFC Radome is set respectively on radio-frequency module 12.
As a preferred embodiment of the present invention, the radome can select metallic shield, carbon radome can also be used.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, it is realized simultaneously Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one 3PIN winding displacements, cost is reduced, the present invention will largely change people and use the mode of many electronic equipments, or even change Become the mode using credit card, key and cash.
Fig. 2 shows the structure of Multifunctional touching chip provided in an embodiment of the present invention, for convenience of description, illustrate only Part related to the present invention.
As one embodiment of the invention, the Multifunctional touching chip 100 includes the Multifunctional touching collection in above-described embodiment Into circuit 1, in addition to two power supply PIN and three data PIN;
Power supply PIN and data PIN passes through the connection corresponding with power supply PAD and data PAD respectively of packaging and routing 103, two electricity Source PIN is connected with two power ends of master control communication unit 2 respectively by electric connecting part 102, and three data PIN pass through electrical connection Part 102 is connected with three data terminals of master control communication unit 2 respectively.
As a preferred embodiment of the present invention, the electric connecting part 102 is touch-screen flexible PCB (FPC), more work( Chip 100 can be touched to be connected with touch-screen flexible PCB (FPC) 102 by surface mounting technology (SMT).
More preferably, the FPC (FPC) of covering Ferrite Material can be used, to improve NFC sensitivity.
In embodiments of the present invention, the electric connecting part (FPC) not only acts as connection Multifunctional touching chip 100 and master control The effect of communication unit 2 (mainboard of the touch terminal such as mobile phone, POS), while the antenna also as NFC radio-frequency modules 12, enter One step improves recognition speed and the sensitivity of radiofrequency signal.
In embodiments of the present invention, from domain angle, putting for CDC touch-control modules 11 and NFC radio-frequency modules 12 should be made Position is as far as possible remote, to reduce electromagnetic interference problem caused by the signal between two modules.
More preferably, in encapsulation process, wall can be configured between CDC touch-control modules 11 and NFC radio-frequency modules 12 (GND bands) is used for isolating two modules, further to reduce the signal interference problem of two modules, or can be at least in a module One radome is set, for isolating two modules, further to reduce signal interference problem, certainly, cost factor is not considered, also may be used To set radome respectively on CDC touch-control modules 11 and NFC radio-frequency modules 12.
As a preferred embodiment of the present invention, the radome can select metallic shield, carbon radome can also be used.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, is provided simultaneously with it Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one 3PIN winding displacements, cost is reduced, the present invention will largely change people and use the mode of many electronic equipments, or even change Become the mode using credit card, key and cash.
Fig. 3 a and Fig. 3 b respectively illustrate the facing structure and side view structure of touch screen terminal provided in an embodiment of the present invention, For convenience of description, it illustrate only part related to the present invention.
As one embodiment of the invention, the touch screen terminal includes:
Cover plate 6, touch screen function area 5, electric connecting part 102, master control communication unit (cell phone mainboard) 2 and above-mentioned implementation Multifunctional touching chip 100 in example.
First face in touch screen function area 5 connects with the pressing of cover plate 6, second face in touch screen function area 5 and electrical connection section Part 102 is connected, and Multifunctional touching chip 100 is fixedly connected on electric connecting part 102, and electric connecting part 102 also leads to master control News unit 2 connects;
First face in touch screen function area 5 is opposite with the second face.
As a preferred embodiment of the present invention, the Multifunctional touching chip 100 connects by the way that surface mounting technology (SMT) is fixed It is connected on electric connecting part 102.
As a preferred embodiment of the present invention, the electric connecting part 102 is touch-screen flexible PCB (FPC), it is preferable that The touch-screen flexible PCB can use the FPC (FPC) of covering Ferrite Material to realize, to improve the sensitive of NFC Degree.
In embodiments of the present invention, with reference to Fig. 3 a and Fig. 3 b, wherein, 3 be that touch-screen flexible PCB (FPC) leads to master control The join domain of unit (cell phone mainboard) 2 is interrogated, 4 be touch-screen flexible PCB (FPC) and the bonding pad in touch screen function area 5 Domain.
In embodiments of the present invention, the electric connecting part (FPC) not only acts as connection single integrated circuit chip 1 and led to master control The effect of unit 2 (mainboard of the touch terminal such as mobile phone, POS), while the antenna also as NFC radio-frequency modules 12 are interrogated, enters one Step improves recognition speed and the sensitivity of radiofrequency signal.
As a preferred embodiment of the present invention, to be located at touch screen function area opposite with cover plate 6 for the Multifunctional touching chip 100 One side, the cover plate 6 can use various unlike materials, and more preferably, the material of cover plate 6 can select acrylic, PET, glass Or sapphire, be particularly suitable for use in glass.
The touch screen terminal can be by the cooperation of different cover sheet thickness and material, to realize more preferable NFC and touch Function, for thickness:0.125mm-1.0mm material may be selected, preferably select 0.33mm-0.7mm material, it is more excellent Select 0.4mm-0.55mm material.
The embodiment of the present invention integrates CDC touch-control modules and NFC radio-frequency modules in same chip, is provided simultaneously with it Touch controllable function and NFC function, make to reduce by a chips in terminal system BOM, reduce volume and system failure rate, reduce one 3PIN winding displacements, cost is reduced, the present invention will largely change people and use the mode of many electronic equipments, or even change Become the mode using credit card, key and cash.
The another object of the embodiment of the present invention is to provide a kind of using the multi-functional of above-mentioned Multifunctional touching integrated circuit Touch chip, and the touch screen terminal using above-mentioned Multifunctional touching chip.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and All any modification, equivalent and improvement made within principle etc., should be included in the scope of the protection.

Claims (10)

1. a kind of Multifunctional touching integrated circuit, it is connected by electric connecting part with master control communication unit, it is characterised in that described Integrated circuit include two power supply PAD and three data PAD, two power supply PAD by the electric connecting part respectively with The master control communication unit two power ends connection, three data PAD by the electric connecting part respectively with the master Three data terminals connection of communication unit is controlled, the electric connecting part is touch-screen flexible PCB, and the integrated circuit also wraps Include:
CDC touch-control modules, the connection corresponding with two power supply PAD of the power end of the CDC touch-control modules, the CDC touch-control modules First group of data terminal be connected with three data PAD;
NFC radio-frequency modules, the connection corresponding with two power supply PAD of the power end of the NFC radio-frequency modules, the NFC radio-frequency modules First group of data terminal be connected with three data PAD;
Processing unit, the connection corresponding with two power supply PAD of the power end of the processing unit, first group of number of the processing unit According to hold it is corresponding with second group of data terminal of the CDC touch-control modules connect, second group of data terminal of the processing unit with it is described Second group of data terminal of NFC radio-frequency modules is corresponding to be connected;
Memory cell, the memory cell are connected with the processing unit storage end.
2. integrated circuit as claimed in claim 1, it is characterised in that the processing unit is arm processor or 8051 monolithics Machine, the memory cell include ROM and RAM.
A kind of 3. Multifunctional touching chip, it is characterised in that the chip includes integrated circuit as claimed in claim 1 or 2, The chip also includes two power supply PIN and three data PIN;
The power supply PIN and data PIN by packaging and routing respectively with the power supply PAD and data PAD is corresponding connects Connect, two power supply PIN are connected by two power ends of the electric connecting part respectively with the master control communication unit, described in three Data PIN is connected with three data terminals of the master control communication unit respectively by the electric connecting part.
4. chip as claimed in claim 3, it is characterised in that have between the CDC touch-control modules and the NFC radio-frequency modules Having on Yi Diqiang, or, the CDC touch-control modules or/and the NFC radio-frequency modules has radome, to realize isolation.
5. chip as claimed in claim 4, it is characterised in that the radome is metallic shield or carbon radome.
6. a kind of touch screen terminal, it is characterised in that the touch screen terminal includes:
Cover plate, touch screen function area, electric connecting part, master control communication unit, and as described in any one of claim 3 to 5 Multifunctional touching chip;
First face in the touch screen function area connects with cover plate pressing, second face in the touch screen function area with it is described Electric connecting part is connected, and the Multifunctional touching chip is fixedly connected on the electric connecting part, and the electric connecting part is also It is connected with the master control communication unit;
First face in the touch screen function area is opposite with the second face.
7. touch screen terminal as claimed in claim 6, it is characterised in that the Multifunctional touching chip passes through surface mount skill Art is fixedly connected on the electric connecting part.
8. touch screen terminal as claimed in claim 7, it is characterised in that the touch-screen flexible PCB is by covering ferrite Material is made.
9. touch screen terminal as claimed in claim 6, it is characterised in that the cover plate materials be acrylic, PET, glass or Sapphire.
10. touch screen terminal as claimed in claim 6, it is characterised in that the cover sheet thickness scope is 0.125mm- 1.0mm。
CN201410749183.7A 2014-12-09 2014-12-09 A kind of Multifunctional touching integrated circuit, chip and touch screen terminal Expired - Fee Related CN104503611B (en)

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Publication number Priority date Publication date Assignee Title
CN105872955B (en) * 2016-04-29 2019-01-18 昆山维信诺科技有限公司 Integrate the touch-control integrated circuit and its near field communication method of near-field communication
CN107219951B (en) * 2017-05-23 2020-04-10 Oppo广东移动通信有限公司 Touch screen control method and device, storage medium and terminal equipment
CN107864586B (en) * 2017-12-06 2024-01-23 北京小米移动软件有限公司 Electronic equipment
CN109471564A (en) * 2018-12-29 2019-03-15 深圳汗思凯普科技有限公司 Handheld computer equipment touch device

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