CN105491422A - Type-C interface and television set - Google Patents
Type-C interface and television set Download PDFInfo
- Publication number
- CN105491422A CN105491422A CN201511002077.3A CN201511002077A CN105491422A CN 105491422 A CN105491422 A CN 105491422A CN 201511002077 A CN201511002077 A CN 201511002077A CN 105491422 A CN105491422 A CN 105491422A
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- China
- Prior art keywords
- interface
- type
- pin
- circuit
- master chip
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4436—Power management, e.g. shutting down unused components of the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/775—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television receiver
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a Type-C interface and a television set. The Type-C interface is connected to an USB2.0 circuit and a main chip; the all power supply pins of the Type-C interface are connected to the power supply terminal of the USB 2.0 circuit; the data pin of the Type-C interface is correspondingly connected to the data pin of the main chip; the USB 2.0 circuit supplies power to the Type-C interface; the inputted data is transmitted to the main chip through the Type-C interface; and through the current television configured with the USB2.0 circuit, the Type-C interface is connected to the USB 2.0 circuit and the television main chip. The functions of the forward/inverse insertion of the television set, USB 2.0 communication, and 5V charging can be realized without adding any extra complicated circuit module, the circuit structure is easy, the implementation is easy and the cost is low.
Description
Technical field
The present invention relates to TV technology, particularly a kind of Type-C interface and television set.
Background technology
Apple trendy computer configuration Type-C interface, transmission speed 10Gbps, this interface not only can work as power interface, USB interface uses, and can also work as the interface such as USB interface, HDMI and use, total interface function rolls into one by it, and function is very powerful.And Type-C interface all can be inserted from tow sides, the peripheral hardware mated with it also gets more and more.
And current television set transmits different signals and need arrange different interfaces, cause interface very many and have the requirement of plug wire direction, grafting mistake may damage interface.If by Type-C Application of Interface and television set, television interface can be solved a lot of and have the problem that plug wire direction requires.But because television set exists a certain distance in the working method of mobile phone, the TV applications technology of Type-C interface is also immature, existing TV Type-C interface scheme circuit structure is complicated, and cost is higher.
Therefore, be necessary to improve prior art.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide a kind of Type-C interface and television set, complicated to solve existing TV Type-C interface scheme circuit structure, the problem that cost is higher.
In order to achieve the above object, this invention takes following technical scheme:
A kind of Type-C interface, be connected with USB2.0 circuit and master chip, wherein, all supply pins of described Type-C interface all connect the power end of USB2.0 circuit, and the data pin correspondence of Type-C interface connects the data pin of master chip; USB2.0 circuit is powered to Type-C interface, and the data of input are transferred to master chip by Type-C interface.
In described Type-C interface, the VBUS1 pin of described Type-C interface, VBUS2 pin, VBUS3 pin, VBUS4 pin all connect the power end of USB2.0 circuit; The D1+ pin of Type-C interface, D2+ pin all connect the USB5_D+ pin of master chip; The D1-pin of Type-C interface, D2-pin all connect the USB5_D-pin of master chip; The GND pin ground connection of Type-C interface, with master chip altogether.
In described Type-C interface, also comprise the first electric capacity, the second electric capacity and magnetic bead;
One end of described first electric capacity connects the VBUS4 pin of Type-C interface and one end of magnetic bead, the other end ground connection of the first electric capacity, the second electric capacity and the first Capacitance parallel connection, and the other end of magnetic bead connects the power end of USB2.0 circuit.
In described Type-C interface, the capacitance of described first electric capacity is 10uF, and the capacitance of the second electric capacity is 0.1uF.
In described Type-C interface, also comprise the first resistance and the second resistance;
One end of described first resistance connects the D2-pin of Type-C interface, and the other end of the first resistance connects the USB5_D-pin of master chip; One end of second resistance connects the D2+ pin of Type-C interface, and the other end of the first resistance connects the USB5_D+ pin of master chip.
In described Type-C interface, the resistance of described first resistance and the second resistance is 5.1R Ω.
A kind of television set, comprise USB2.0 circuit and master chip, it also comprises described Type-C interface;
The feeder ear of described Type-C interface is connected with the power end of USB2.0 circuit, and USB2.0 circuit is powered to Type-C interface;
The data terminal of Type-C interface is connected with the data terminal of master chip, the data of input is transferred to master chip and carries out processes and displays.
Compared to prior art, all supply pins of Type-C interface are all connected the power end of USB2.0 circuit by Type-C interface provided by the invention and television set, and the data pin correspondence of Type-C interface connects the data pin of master chip; USB2.0 circuit is powered to Type-C interface, and the data of input are transferred to master chip by Type-C interface; Utilize the USB2.0 circuit that existing television set all configures, the master chip of Type-C interface with USB2.0 circuit and television set is connected, do not need to increase any additional complexity circuit module, television set just can be made to realize the functions such as positive anti-plug, USB2.0 communication, 5V charging; Circuit structure is very simple, is easy to realize and cost is very low.
Accompanying drawing explanation
The structured flowchart of the television applications embodiment that Fig. 1 provides for the embodiment of the present invention.
The circuit diagram of the Type-C interface that Fig. 2 provides for the embodiment of the present invention.
Embodiment
The invention provides a kind of Type-C interface and television set, increase Type-C interface on a television set, utilize the USB2.0 circuit that existing television set all configures, the master chip of Type-C interface with USB2.0 circuit and television set is connected, do not need to increase any additional complexity circuit module, television set just can be made to realize the functions such as positive anti-plug, USB2.0 communication, 5V charging, and cost is very low.For making object of the present invention, technical scheme and effect clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Please refer to Fig. 1 and Fig. 2, the television set that the embodiment of the present invention provides comprises USB2.0 circuit 10, master chip 20 and Type-C interface J1.Described Type-C interface J1 connects USB2.0 circuit 10, master chip 20 and peripheral hardware.All feeder ears of Type-C interface J1 are all connected with the power end of USB2.0 circuit 10, and USB2.0 circuit 10 couples of Type-C interface J1 power.The data terminal of Type-C interface J1 is corresponding with the data terminal of master chip 20 to be connected, and the data (data such as audio frequency and video, image) of input is transferred to master chip 20 and carries out processes and displays.How processes and displays is prior art to master chip 20, and the present embodiment mainly sets forth the connected mode of Type-C interface J1 and USB2.0 circuit 10, master chip 20.
In the present embodiment, all supply pins (VBUS1 ~ VBUS4) of described Type-C interface J1 all connect the power end+5V_Normal of USB2.0 circuit 10, the data pin of Type-C interface J1 (D1 ±, D2 ±) the corresponding data pin connecting master chip 20; Other pin of Type-C interface J1 are unsettled.
As shown in Figure 2, its concrete syndeton is: the VBUS1 pin of Type-C interface J1, VBUS2 pin, VBUS3 pin, VBUS4 pin all connect the power end+5V_Normal of USB2.0 circuit 10; The D1+ pin of Type-C interface J1, D2+ pin all connect the USB5_D+ pin of master chip; The D1-pin of Type-C interface J1, D2-pin all connect the USB5_D-pin of master chip; The GND pin ground connection of Type-C interface J1, with master chip altogether.No matter just adopt such connected mode, anti-plug, all external Type-C equipment all can realize USB2.0 communication, also can realize 5V charging, the functions such as transfer of data simultaneously.
In the present embodiment, in order to make the power supply stability and safety more of USB2.0 circuit 10 couples of Type-C interface J1, described Type-C interface J1 also comprises the first electric capacity C1, the second electric capacity C2 and magnetic bead FB; One end of described first electric capacity C1 connects the VBUS4 pin of Type-C interface J1 and one end of magnetic bead FB, the other end ground connection of the first electric capacity C1, second electric capacity C2 is in parallel with the first electric capacity C1, and the other end of magnetic bead FB connects the power end+5V_Normal of USB2.0 circuit 10.
Wherein, the capacitance of described first electric capacity C1 is 10uF, and the capacitance of the second electric capacity C2 is 0.1uF.By the first electric capacity C1, the second electric capacity C2 to supply power voltage filtering and noise reduction, supply power voltage smooth steady more can be made.Described magnetic bead FB plays a protective role, and avoids big current (more than 600mA) to burn out Type-C interface J1.
In further embodiment, described Type-C interface J1 also comprises the first resistance R1 and the second resistance R2; One end of described first resistance R1 connects the D2-pin of Type-C interface J1, and the other end of the first resistance R1 connects the USB5_D-pin of master chip; One end of second resistance R2 connects the D2+ pin of Type-C interface J1, and the other end of the first resistance R1 connects the USB5_D+ pin of master chip.
Wherein, the resistance of described first resistance R1 and the second resistance R2 is 5.1R Ω.By the impedance matching of the first resistance R1 and the second resistance R2, can match condition be improved, reduce reflection, avoid vibration etc.; The steep of data signal edge can also be reduced, thus reduce high-frequency noise and overshoot, to guarantee the good transmission effect of the data such as audio frequency and video, picture.
Above-mentioned first electric capacity C1, the second electric capacity C2, magnetic bead FB, the first resistance R1 and the second resistance R2 are the peripheral circuit of Type-C interface J1.
In sum, Type-C interface provided by the invention and television set, utilize the USB2.0 circuit that existing television set all configures, the master chip of Type-C interface with USB2.0 circuit and television set is connected, do not need to increase any additional complexity circuit module, television set just can be made to realize the functions such as positive anti-plug, USB2.0 communication, 5V charging; Circuit structure is very simple, is easy to realize and cost is very low.Television set increasing after Type-C interface can also adaptive more equipment, compatible high, can use, be applicable to wideling popularize on the television set of institute's organic type.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection range that all should belong to the claim appended by the present invention.
Claims (7)
1. a Type-C interface, is connected with USB2.0 circuit and master chip, it is characterized in that,
All supply pins of described Type-C interface all connect the power end of USB2.0 circuit, and the data pin correspondence of Type-C interface connects the data pin of master chip; USB2.0 circuit is powered to Type-C interface, and the data of input are transferred to master chip by Type-C interface.
2. Type-C interface according to claim 1, is characterized in that, the VBUS1 pin of described Type-C interface, VBUS2 pin, VBUS3 pin, VBUS4 pin all connect the power end of USB2.0 circuit; The D1+ pin of Type-C interface, D2+ pin all connect the USB5_D+ pin of master chip; The D1-pin of Type-C interface, D2-pin all connect the USB5_D-pin of master chip; The GND pin ground connection of Type-C interface, with master chip altogether.
3. Type-C interface according to claim 2, is characterized in that, also comprises the first electric capacity, the second electric capacity and magnetic bead;
One end of described first electric capacity connects the VBUS4 pin of Type-C interface and one end of magnetic bead, the other end ground connection of the first electric capacity, the second electric capacity and the first Capacitance parallel connection, and the other end of magnetic bead connects the power end of USB2.0 circuit.
4. Type-C interface according to claim 3, is characterized in that, the capacitance of described first electric capacity is 10uF, and the capacitance of the second electric capacity is 0.1uF.
5. Type-C interface according to claim 2, is characterized in that, also comprises the first resistance and the second resistance;
One end of described first resistance connects the D2-pin of Type-C interface, and the other end of the first resistance connects the USB5_D-pin of master chip; One end of second resistance connects the D2+ pin of Type-C interface, and the other end of the first resistance connects the USB5_D+ pin of master chip.
6. Type-C interface according to claim 5, is characterized in that, the resistance of described first resistance and the second resistance is 5.1R Ω.
7. a television set, comprises USB2.0 circuit and master chip, it is characterized in that, also comprises the Type-C interface as described in any one of claim 1-6;
The feeder ear of described Type-C interface is connected with the power end of USB2.0 circuit, and USB2.0 circuit is powered to Type-C interface;
The data terminal of Type-C interface is connected with the data terminal of master chip, the data of input is transferred to master chip and carries out processes and displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002077.3A CN105491422B (en) | 2015-12-29 | 2015-12-29 | A kind of Type-C interface and television set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511002077.3A CN105491422B (en) | 2015-12-29 | 2015-12-29 | A kind of Type-C interface and television set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105491422A true CN105491422A (en) | 2016-04-13 |
| CN105491422B CN105491422B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511002077.3A Active CN105491422B (en) | 2015-12-29 | 2015-12-29 | A kind of Type-C interface and television set |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104679148A (en) * | 2015-03-21 | 2015-06-03 | 张本军 | Portable display control terminal equipment based on MHL (mobile high-definition link) technology |
| CN204577794U (en) * | 2015-04-09 | 2015-08-19 | 特通科技有限公司 | There is the expanding device of USB Type-C connector |
| CN204633058U (en) * | 2015-05-18 | 2015-09-09 | 特通科技有限公司 | USB Type-C connector modules |
| CN204697180U (en) * | 2015-01-29 | 2015-10-07 | 深圳创维－Rgb电子有限公司 | Chip main board and television set |
| CN204732936U (en) * | 2015-07-13 | 2015-10-28 | 深圳市龙威盛电子科技有限公司 | A kind of portable power source |
-
2015
- 2015-12-29 CN CN201511002077.3A patent/CN105491422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204697180U (en) * | 2015-01-29 | 2015-10-07 | 深圳创维－Rgb电子有限公司 | Chip main board and television set |
| CN104679148A (en) * | 2015-03-21 | 2015-06-03 | 张本军 | Portable display control terminal equipment based on MHL (mobile high-definition link) technology |
| CN204577794U (en) * | 2015-04-09 | 2015-08-19 | 特通科技有限公司 | There is the expanding device of USB Type-C connector |
| CN204633058U (en) * | 2015-05-18 | 2015-09-09 | 特通科技有限公司 | USB Type-C connector modules |
| CN204732936U (en) * | 2015-07-13 | 2015-10-28 | 深圳市龙威盛电子科技有限公司 | A kind of portable power source |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105491422B (en) | 2018-11-30 |
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