CN102687520A - Digital television and system achieving serial communication - Google Patents
Digital television and system achieving serial communication Download PDFInfo
- Publication number
- CN102687520A CN102687520A CN2012800002218A CN201280000221A CN102687520A CN 102687520 A CN102687520 A CN 102687520A CN 2012800002218 A CN2012800002218 A CN 2012800002218A CN 201280000221 A CN201280000221 A CN 201280000221A CN 102687520 A CN102687520 A CN 102687520A
- Authority
- CN
- China
- Prior art keywords
- dtv
- usb interface
- mini usb
- serial communication
- mouth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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- 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
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4112—Peripherals receiving signals from specially adapted client devices having fewer capabilities than the client, e.g. thin client having less processing power or no tuning capabilities
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Debugging And Monitoring (AREA)
- Computer And Data Communications (AREA)
Abstract
The utility model provides a digital television achieving serial communication and the digital television comprises a main chip and a mini USB interface, wherein the mini USB interface has three random pathways respectively connected with a serial of the main chip to send data terminal TX and the serial of the main chip receives data terminal TX and public terminal GND of the main chip. A system achieving serial communication is also provided. By adopting the digital television and system achieving serial communication provided in the embodiment of the utility model and reasonably utilizing the mini USB interface instead of an RS232 interface of serial communication, the utility model enables interface size of software debugging of the digital television to get smaller and enables space occupation to get less.
Description
Technical field
The utility model belongs to digital TV field, relates in particular to a kind of DTV and system that realizes serial communication.
Background technology
Digital TV integrated machine need not external STB and can realize the reception of digital television signal, processing and demonstration.DTV can also be realized the application (program request, time shift, playback) of two-way interaction, and application such as radio communication are used in the online of entering the Internet at a high speed.Because the variation of using, digital TV integrated machine especially intelligent television is compared traditional tv, in research and development; After sale the stage, it is more frequent that software and hardware program debugging or software upgrading all will become, and television set is different from other portable small-sized electronic products; The inconvenience dismounting, so generally need debug port be stayed the body outside, traditional debug port is the RS232 interface; But RS232 interface size is big, takes up space.
The utility model content
The purpose of the utility model is to provide a kind of DTV and system that realizes serial communication, realizes serial communication through utilizing the mini USB interface, and it is big to be intended to solve RS232 interface size, the problem that takes up space.
The utility model provides a kind of DTV of realizing serial communication; Comprise master chip and mini USB interface; The serial ports that wherein any three pins connect master chip respectively in the mini USB interface sends data terminal TX, and the serial ports of master chip receives the public terminal GND of data terminal RX and master chip.
Another purpose of the utility model is to provide a kind of system that realizes serial communication; Comprise like aforementioned any described DTV; The encapsulation keyset that also comprises the RS232 mouth; Said DTV is connected with the encapsulation keyset of RS232 mouth, and the encapsulation keyset of said RS232 mouth will receive conversion of signals and become the output of standard RS232 mouth standard signal.
The DTV and the system of the realization serial communication that employing the utility model embodiment provides replace the RS232 interface of serial communication through rationally utilizing the mini USB interface, make the software debugging interface size of DTV little, and space hold is few.
Description of drawings
Fig. 1 is the DTV structural representation of the realization serial communication that provided of the utility model first embodiment;
Fig. 2 is the DTV structural representation of the realization serial communication that provided of the utility model second embodiment;
Fig. 3 is the sketch map of the system of the realization serial communication that provided of the utility model the 3rd embodiment;
Fig. 4 is the sketch map of the system of the realization serial communication that provided of the utility model the 4th embodiment.
Embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
The utility model first embodiment provides a kind of DTV of realizing serial communication, and is as shown in Figure 1, and this DTV comprises master chip 1 and mini USB interface 2.Have in the mini USB interface 5 the tunnel can receive signal pin, the serial ports that wherein any three pins connect master chip respectively sends data terminal TX, the serial ports of master chip receives the public terminal GND of data terminal RX and master chip.
The DTV of the realization serial communication that employing the utility model embodiment provides replaces the RS232 interface of serial communication through rationally utilizing the mini USB interface, makes the software debugging interface size of DTV little, and space hold is few.
The utility model second embodiment provides a kind of DTV of realizing serial communication; As shown in Figure 2; Comprise master chip 1, mini USB interface 2 and level converter 3, master chip 1 sends serial ports and sends data to level converter 3; Level converter 3 sends data from the signal voltage that the signal voltage transitions of master chip becomes the mini USB interface to accept with this serial ports, again this serial ports is sent data and sends to mini USB interface 2.Equally; The serial ports that mini USB interface 2 sends receives data and gives level converter 3; Level converter 3 receives data from the signal voltage that the signal voltage transitions of mini USB interface becomes master chip to accept with this serial ports, again this serial ports is received data and sends to master chip 1.This level converter can be TTL (Transistor-Transistor Logic, logic gates) or CMOS (Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductors (CMOS)) logical circuit.
The DTV of the realization serial communication that employing the utility model embodiment provides; Through rationally utilizing the mini USB interface to replace the RS232 interface of serial communication; Make the software debugging interface size of DTV little, space hold is few, and there is level converter the centre; Can make communication more smooth, efficient is higher.
The utility model the 3rd embodiment provides the system that realizes serial communication; See also Fig. 3; Comprise the DTV 31 that first embodiment or second embodiment describe; The encapsulation keyset 32 that also comprises the RS232 mouth, the encapsulation keyset 32 of RS232 mouth will receive conversion of signals and become the output of standard RS232 mouth standard signal.
The system of the realization serial communication that employing the utility model embodiment provides replaces the RS232 interface of serial communication through rationally utilizing the mini USB interface, makes the software debugging interface size of DTV little, and space hold is few.
The system of the realization serial communication that the utility model the 4th embodiment is provided sees also Fig. 4, comprises DTV 31, the encapsulation keyset 32 of data conversion line 4 and RS232 mouth.Data conversion line 4 sends data terminal TX with serial ports on the encapsulation keyset 32 of serial ports transmission data terminal TX and RS232 mouth in the mini USB interface on the DTV 31 and couples together; Serial ports on the encapsulation keyset 32 of serial ports reception data terminal RX and RS232 mouth in the mini USB interface on the DTV 31 is received data terminal RX couple together, public terminal GND on the encapsulation keyset 32 of public terminal GND and RS232 mouth in the mini USB interface on the DTV 31 is coupled together.
The system of the realization serial communication that employing the utility model embodiment provides replaces the RS232 interface of serial communication through rationally utilizing the mini USB interface, makes the software debugging interface size of DTV little, and space hold is few.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (5)
1. DTV of realizing serial communication; Comprise master chip and mini USB interface; It is characterized in that any three pins connect the serial ports transmission data terminal TX of said master chip respectively in the said mini USB interface, the serial ports of master chip receives the public terminal GND of data terminal RX and master chip.
2. the DTV of realization serial communication as claimed in claim 1; It is characterized in that; Also comprise level converter between said master chip and the said mini USB interface; The signal voltage transitions that said level converter sends said master chip is the signal voltage that said mini USB interface can be accepted, and is the signal voltage that said master chip can be accepted with the signal voltage transitions that said mini USB interface sends.
3. the DTV of realization serial communication as claimed in claim 2 is characterized in that, said level converter is logic gates or CMOS logical circuit.
4. system that realizes serial communication; It is characterized in that; Comprise any described DTV like claim 1-3; The encapsulation keyset that also comprises the RS232 mouth, said DTV is connected with the encapsulation keyset of said RS232 mouth, and the encapsulation keyset of said RS232 mouth becomes the output of standard RS232 mouth standard signal with the conversion of signals that receives.
5. system as claimed in claim 4; It is characterized in that; Also comprise data conversion line between the encapsulation keyset of said DTV and said RS232 mouth; Said data conversion line sends data terminal TX with serial ports on the encapsulation keyset of serial ports transmission data terminal TX and said RS232 mouth in the above mini USB interface of said DTV and couples together; Serial ports on the encapsulation keyset of serial ports reception data terminal RX and said RS232 mouth in the above mini USB interface of said DTV is received data terminal RX couple together, public terminal GND on the encapsulation keyset of public terminal GND and said RS232 mouth in the above mini USB interface of said DTV is coupled together.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/071916 WO2013131228A1 (en) | 2012-03-05 | 2012-03-05 | Digital television and system for achieving serial communications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102687520A true CN102687520A (en) | 2012-09-19 |
Family
ID=46817254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012800002218A Withdrawn CN102687520A (en) | 2012-03-05 | 2012-03-05 | Digital television and system achieving serial communication |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102687520A (en) |
| WO (1) | WO2013131228A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014172912A1 (en) * | 2013-04-27 | 2014-10-30 | Rong Weihua | Interface converting apparatus for vehicle-mounted handheld terminal |
| CN108235129A (en) * | 2017-07-20 | 2018-06-29 | 青岛海信电器股份有限公司 | A kind of control method and television set of television set USB-C interfaces connection external equipment |
| US11232057B2 (en) | 2017-07-20 | 2022-01-25 | Hisense Visual Technology Co., Ltd. | Terminal device and control method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110888829B (en) * | 2019-12-02 | 2021-03-26 | 上海移柯通信技术股份有限公司 | Method for starting up and awakening communication module through serial port |
| CN112363966B (en) * | 2020-10-29 | 2024-06-04 | 努比亚技术有限公司 | Serial port conversion circuit, base station, circuit conversion method, and computer storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201256424Y (en) * | 2008-08-22 | 2009-06-10 | 成都中创盛华科技有限公司 | A digital television receiver |
| CN202026431U (en) * | 2011-04-22 | 2011-11-02 | 青岛海信电器股份有限公司 | Debugging device and debugging system |
| CN202135230U (en) * | 2011-04-29 | 2012-02-01 | 深圳市康冠技术有限公司 | Television set |
| CN202495998U (en) * | 2011-12-02 | 2012-10-17 | 深圳市同洲电子股份有限公司 | Digital television and system capable of realizing serial communication using mini USB interface |
| CN202496029U (en) * | 2012-02-16 | 2012-10-17 | 深圳市同洲电子股份有限公司 | Digital television multiplexing interface and digital television |
-
2012
- 2012-03-05 CN CN2012800002218A patent/CN102687520A/en not_active Withdrawn
- 2012-03-05 WO PCT/CN2012/071916 patent/WO2013131228A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014172912A1 (en) * | 2013-04-27 | 2014-10-30 | Rong Weihua | Interface converting apparatus for vehicle-mounted handheld terminal |
| CN108235129A (en) * | 2017-07-20 | 2018-06-29 | 青岛海信电器股份有限公司 | A kind of control method and television set of television set USB-C interfaces connection external equipment |
| US11232057B2 (en) | 2017-07-20 | 2022-01-25 | Hisense Visual Technology Co., Ltd. | Terminal device and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2013131228A1 (en) | 2013-09-12 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20120919 |