CN102256174A - Digital television receiving equipment - Google Patents
Digital television receiving equipment Download PDFInfo
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- CN102256174A CN102256174A CN2011102095375A CN201110209537A CN102256174A CN 102256174 A CN102256174 A CN 102256174A CN 2011102095375 A CN2011102095375 A CN 2011102095375A CN 201110209537 A CN201110209537 A CN 201110209537A CN 102256174 A CN102256174 A CN 102256174A
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Abstract
The invention provides digital television receiving equipment, which comprises an extended interface and a central processing unit (CPU), wherein the extended interface is arranged outside the digital television receiving equipment and used for at least connecting a pluggable memory storing a program which can be run by the CPU; and the CPU is connected with the extended interface and used for acquiring the program stored by the pluggable memory from the pluggable memory by the external extended interface and running the program. The digital television receiving equipment solves the problems of difficulties in upgrading, inconvenience of maintenance and replacement and the like, caused by built-in programs, of the digital television receiving equipment in the prior art; and a scheme capable of conveniently upgrading the digital television receiving equipment, and even though a digital television front-end system upgrading system is updated or the digital television receiving equipment does not have a software upgrading function, the software updating and program maintenance of the digital television receiving equipment still can be realized.
Description
Technical field
The present invention relates to digital television techniques, relate in particular to a kind of apparatus of digital television receiving.
Background technology
Continuous propelling along with the high-speed development of science and technology and the integration of three networks, liquid crystal plasma, LED (Light Emitting Diode, light-emitting diode) etc. large screen television has goed deep into huge numbers of families, various demand of terminal large-screen and user has proposed higher and requirement autgmentability to the technology of apparatus of digital television receiving and business development, small and exquisite practicality, highly integrated, being easy to upgrade and expand to become the inexorable trend that apparatus of digital television receiving develops.
As shown in Figure 1, general basic framework schematic diagram for the prior art apparatus of digital television receiving, this equipment comprises CPU (Central Processing Unit, central processing unit) 11, FLASH (flash memory) 13, SDRAM (Synchronous Dynamic Random Access Memory, synchronous DRAM) 14 and Tuner (frequency modulator) 15 etc.But working procedure is stored in the storable memory such as FLASH 13 power down such as grade, but the program command among the CPU 11 direct addressin FLASH 13 starts initialization when apparatus of digital television receiving powers on, thereby runs application.
For upgrading and expanded function, radio and TV operator and apparatus of digital television receiving solution supplier, manufacturer adopt aerial upgrade/serial ports upgrading/USB (Universal Serial Bus at present, USB) mode such as upgrading is carried out the software version update among the FLASH, and the prerequisite of doing like this is to have preset one section Loader (loading program) program in the FLASH memory.This scheme has solved the function expansion of apparatus of digital television receiving generally speaking, but the upgrade-system that can not solve the ROMPaq difference of numerous apparatus of digital television receiving provider or radio and TV operator is replaced or news more; If do not preset loader utility among the FLASH, the method that operator can only replace by large tracts of land, replenish apparatus of digital television receiving realizes function upgrading and expansion, will face the difficult problem how old apparatus of digital television receiving of returning is handled so simultaneously; Even have only the fraction area will carry out software upgrading, personnel are also very loaded down with trivial details to the maintenance process of apparatus of digital television receiving after sale.
Summary of the invention
The invention provides a kind of apparatus of digital television receiving, the apparatus of digital television receiving that solves prior art is difficult to upgrading owing to program is built-in, be inconvenient to safeguard and problem such as replacing, and realize a kind of can to apparatus of digital television receiving make things convenient for the upgrading scheme, even digital TV front-end system upgrade system is updated or apparatus of digital television receiving does not have software upgrading function, also can carry out the software upgrading and the program maintenance of apparatus of digital television receiving.
In order to achieve the above object, the invention provides a kind of apparatus of digital television receiving, described apparatus of digital television receiving comprises:
One expansion interface is placed on described apparatus of digital television receiving, and is used for connecting at least the memory of the program that a pluggable storage CPU can move;
One CPU links to each other with described expansion interface, is used for obtaining its program stored by external described expansion interface from pluggable described memory, and moves this program.
Optionally, in the present invention, described expansion interface comprises serial peripheral equipment interface SPI bus protocol interface.
Optionally, in the present invention, described expansion interface comprises secure digital input-output card SDIO bus protocol interface.
Optionally, in the present invention, described CPU directly starts pluggable described memory by external described expansion interface, directly reads enabled instruction from pluggable described memory after promptly described CPU powers on.
Optionally, in the present invention, described CPU starts pluggable described memory indirectly by external described expansion interface, and promptly described CPU powers on back elder generation behind other memory working procedures, and the program of other memories is specified the program stored of the pluggable described memory of operation again.
Technique scheme has following beneficial effect: because the program that can move CPU is placed on apparatus of digital television receiving, this external memory and apparatus of digital television receiving structurally are pluggable, interface between memory and CPU is that expansion is come out on the interface of at present general apparatus of digital television receiving and startup memory, so CPU can directly visit this external memory and read operating instruction, carry out work such as hardware initialization, thereby carry out the subsequent applications program, this expansion interface can be supported simple interface, small modules such as smart card simultaneously.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the general basic framework schematic diagram of prior art apparatus of digital television receiving;
Fig. 2 is a kind of apparatus of digital television receiving structural representation of the embodiment of the invention;
Fig. 3 connects the schematic diagram of external memory by the spi bus protocol interface for application example apparatus of digital television receiving of the present invention;
The schematic diagram that Fig. 4 pulls out for the external memory that application example apparatus of digital television receiving of the present invention connects by the spi bus protocol interface.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 2, be a kind of apparatus of digital television receiving structural representation of the embodiment of the invention, described apparatus of digital television receiving comprises:
One expansion interface 22 is placed on described apparatus of digital television receiving, and is used for connecting at least the memory 23 of the program that a pluggable storage CPU can move;
One CPU 21 links to each other with described expansion interface 22, is used for obtaining its program stored by external described expansion interface 22 from pluggable described memory 23, and moves this program.
Optionally, in one embodiment of this invention, described expansion interface 22 comprises SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) bus protocol interface.
Optionally, in one embodiment of this invention, described expansion interface 22 comprises SDIO (Secure Digital Input and Output Card, secure digital input-output card) bus protocol interface.
Optionally, in one embodiment of this invention, described CPU 21 directly starts pluggable described memory 23 by external described expansion interface 22, directly reads enabled instruction from pluggable described memory 23 after promptly described CPU 21 powers on.
Optionally, in one embodiment of this invention, described CPU 21 starts pluggable described memory 23 indirectly by external described expansion interface 22, be that described CPU 21 powers on back elder generation behind other memory working procedures, the program of other memories is specified the program stored of the pluggable described memory 23 of operation again.
As shown in Figure 3, the schematic diagram that connects external memory for application example apparatus of digital television receiving of the present invention by the spi bus protocol interface, CPU 31 chips connect SD storage card 33 by spi bus protocol interface 32, the address bus that CPU 31 starts is that the interface mode with the SD storage card slot is connected to the apparatus of digital television receiving outside, and SD storage card 33 is connected with the CPU 31 of apparatus of digital television receiving by this bus.The start-up course that SD storage card 33 inserts behind the apparatus of digital television receiving is as follows:
A, apparatus of digital television receiving power on;
The spi bus at the program start memory place of b, its master chip correspondence of CPU addressing;
C, CPU get access to program code on the storage card of spi bus, begin execution command, working procedure.
Have on to apparatus of digital television receiving and upgrade or during the functional requirement of autgmentability, apparatus of digital television receiving producer can take out storage card behind making software, program is write, the flow process that storage card is extracted from apparatus of digital television receiving is as follows:
A, apparatus of digital television receiving outage;
B, storage card are extracted from apparatus of digital television receiving.
As shown in Figure 4, the schematic diagram of pulling out by the external memory of spi bus protocol interface connection for application example apparatus of digital television receiving of the present invention.
The present invention has the following advantages and technique effect:
1, convenient for production:
The scheme that software is placed on external memory makes produces apparatus of digital television receiving mainboard on the line and waits for that the series production method of FLASH chip (need fulfil the basic software programming ahead of schedule) becomes the parallel method that apparatus of digital television receiving and external memory are produced simultaneously, minimizing production dependence and production cycle.
2, easy to maintenance:
When software fault or function renewal appearred in apparatus of digital television receiving, the attendant can be with external memory to replace maintenance fully, and the convenience of maintenance has embodied little, the portable characteristics of external memory volume fully.
3, extensibility:
Because of the plug property of external memory, the operation possibility that has improved the software extensions upgrading greatly and changed.External memory can be expanded big capacity storage in addition, and the expansion of physical store ability makes apparatus of digital television receiving to Push VOD, and the realization of functions such as PVR provides simple and easy and natural support.
4, controllability is upgraded in upgrading:
The radio and TV operator has the functional requirement of expansion and renewal when (comprising the renewal of Loader front end or method), can realize by the mode of changing external memory, provide apparatus of digital television receiving Loader to go wrong simultaneously and the inconsistent situation of Loader of different digital TV receiving apparatus producer under solution more easily.
Above-described embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is the specific embodiment of the present invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. an apparatus of digital television receiving is characterized in that, described apparatus of digital television receiving comprises:
One expansion interface is placed on described apparatus of digital television receiving, and is used for connecting at least the memory of the program that a pluggable storage CPU can move;
One CPU links to each other with described expansion interface, is used for obtaining its program stored by external described expansion interface from pluggable described memory, and moves this program.
2. apparatus of digital television receiving according to claim 1 is characterized in that described expansion interface comprises serial peripheral equipment interface SPI bus protocol interface.
3. apparatus of digital television receiving according to claim 1 is characterized in that described expansion interface comprises secure digital input-output card SDIO bus protocol interface.
4. apparatus of digital television receiving according to claim 1 is characterized in that, described CPU directly starts pluggable described memory by external described expansion interface, directly reads enabled instruction from pluggable described memory after promptly described CPU powers on.
5. apparatus of digital television receiving according to claim 1, it is characterized in that, described CPU starts pluggable described memory indirectly by external described expansion interface, be that described CPU powers on back elder generation behind other memory working procedures, the program of other memories is specified the program stored of the pluggable described memory of operation again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102095375A CN102256174A (en) | 2011-07-25 | 2011-07-25 | Digital television receiving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102095375A CN102256174A (en) | 2011-07-25 | 2011-07-25 | Digital television receiving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102256174A true CN102256174A (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102095375A Pending CN102256174A (en) | 2011-07-25 | 2011-07-25 | Digital television receiving equipment |
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| CN (1) | CN102256174A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297825A (en) * | 2012-02-24 | 2013-09-11 | 北京四达时代软件技术股份有限公司 | Multi-media portable terminal for achieving terrestrial digital television |
| CN110262824A (en) * | 2019-06-24 | 2019-09-20 | 上海市共进通信技术有限公司 | Storage medium external gateway terminal device and corresponding operation method |
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| CN1885921A (en) * | 2005-06-22 | 2006-12-27 | 厦门华侨电子企业有限公司 | TV set setting USB/memory card interface and its software upgrading method |
| CN1949169A (en) * | 2006-10-19 | 2007-04-18 | 康佳集团股份有限公司 | TV software upgrading method |
| CN101047809A (en) * | 2007-01-04 | 2007-10-03 | 深圳清华大学研究院 | Multi-standard mobile digital TV receiving device and method based on serial bus communication |
| CN201869296U (en) * | 2010-12-09 | 2011-06-15 | 青岛海信信芯科技有限公司 | Television |
| CN202206474U (en) * | 2011-07-25 | 2012-04-25 | 北京视博数字电视科技有限公司 | Digital television receiving equipment |
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2011
- 2011-07-25 CN CN2011102095375A patent/CN102256174A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1885921A (en) * | 2005-06-22 | 2006-12-27 | 厦门华侨电子企业有限公司 | TV set setting USB/memory card interface and its software upgrading method |
| CN1949169A (en) * | 2006-10-19 | 2007-04-18 | 康佳集团股份有限公司 | TV software upgrading method |
| CN101047809A (en) * | 2007-01-04 | 2007-10-03 | 深圳清华大学研究院 | Multi-standard mobile digital TV receiving device and method based on serial bus communication |
| CN201869296U (en) * | 2010-12-09 | 2011-06-15 | 青岛海信信芯科技有限公司 | Television |
| CN202206474U (en) * | 2011-07-25 | 2012-04-25 | 北京视博数字电视科技有限公司 | Digital television receiving equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103297825A (en) * | 2012-02-24 | 2013-09-11 | 北京四达时代软件技术股份有限公司 | Multi-media portable terminal for achieving terrestrial digital television |
| CN110262824A (en) * | 2019-06-24 | 2019-09-20 | 上海市共进通信技术有限公司 | Storage medium external gateway terminal device and corresponding operation method |
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Application publication date: 20111123 |