CN201869296U - Television - Google Patents
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- CN201869296U CN201869296U CN2010206675807U CN201020667580U CN201869296U CN 201869296 U CN201869296 U CN 201869296U CN 2010206675807 U CN2010206675807 U CN 2010206675807U CN 201020667580 U CN201020667580 U CN 201020667580U CN 201869296 U CN201869296 U CN 201869296U
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Abstract
The utility model discloses a television which comprises a CPU (central processing unit), an internal memory connected with the CPU and a memory memorizing a system bootstrap program, wherein a television program of the television is memorized in an external memory, and the external memory is connected with the CPU for communication through a boot interface arranged on the television. By memorizing the television program in the external memory, one memory device which is a nonvolatile memory for memorizing the television program in the television is further eliminated, thereby not only reducing the cost of the whole television, but also reducing the complexity in the design. Furthermore, as for the television, as a main unit of the television is separated from a device for memorizing the television program, the television program is not limited by the capacity of the memory any more and can bear more functions. In addition, a user can upgrade the television program through a computer or the external memory very easily, and even when the upgrade of software fails, the television program can be recovered very easily.
Description
Technical field
The utility model belongs to the television receiver technical field, specifically, relates to a kind of startup running technology of television set.
Background technology
Traditional television receiver, its inside need to be provided with equipment, the annexation of these equipment such as accompanying drawings 1 such as master chip, internal memory, NOR Flash and NANDFlash at least.Wherein, in master chip, include CPU; Store system bootstrap routine among the NOR Flash; Store television program among the NAND Flash.Generally speaking, the memory capacity of NAND Flash is 128M or 256M, and it is following so that guarantee program normal storage and follow-up normal operation that television program need be compressed to this capacity.After television set powered up, the CPU in the master chip moved the system bootstrap routine among the NOR Flash, and the driver of NAND Flash is arranged in the system bootstrap routine, and boot is loaded into the television program of preserving among the NAND Flash in the internal memory by driver.Television program in the master chip running memory, television set just starts up like this, drops into normal running.
We can see from this process: the master chip of television set is the ability that does not possess save routine, and the function of master chip is the process of working procedure and loading procedure, be program is loaded in the internal memory from NAND Flash, rather than in the master chip; In addition, internal memory does not possess the ability that preserve the outage back.
And along with the function of television set set itself from strength to strength, more and more diversified, be not hard to predict, if operation or upgrading more function, the amount of its program also can increase thereupon.And in order to satisfy the inner storage space volume of television set itself, the size of just necessary limiting program amount; Otherwise, just must change the memory requirement that the bigger nonvolatile memory of use capacity satisfies television program, but this will certainly cause the increase of television set cost.
The utility model content
The utility model is in order to overcome conventional television is difficult for carrying out the television program expansion because of the restriction that is subjected to its inner NAND Flash memory capacity defective, a kind of novel TV machine is provided, call when supplying television set to start in the external memory by television program is stored in, thereby the NANDFlash that can save television set inside, make television program no longer be subjected to the restriction of memory device capacity, conveniently carry more function.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of television set comprises CPU, the internal memory that is connected with described CPU and the memory of preserving system bootstrap routine; The television program of described television set is kept in the external memory, and described external memory is connected communication by the startup interface that is provided with on the television set with CPU.
Further, described startup interface can be a fixed interface of appointment on the television set, and described external memory directly is plugged on the described fixed interface when television set requires the start operation.Certainly, described startup interface also can be the interface of any one pegged graft external memory of being provided with on the television set, described external memory is selected in one of them interface and the grafting, for television set provides the system boot working procedure when television set requires the start operation.
Preferably, described startup interface is USB interface or memory card interface; Described external memory is storage mediums such as USB flash disk or storage card.
Wherein, described storage card can be mmc card, CF card, SD card or pcmcia card etc.
Further again, described CPU is integrated in the television set master chip; The described memory of preserving system bootstrap routine is nonvolatile memories such as NOR Flash.
Further again, between described CPU and startup interface, also be connected with interface driving circuit.
Further, in described interface driving circuit, be provided with data format converting, be connected described CPU and start between the interface, the Data Format Transform of the television program preserved in the external memory is the data format that CPU supported after, be loaded in the described internal memory by CPU.
Compared with prior art, advantage of the present utility model and good effect are: the utility model is by being stored in television program in the external memory, a thereby memory device that has saved television set inside---be used to store the nonvolatile memory of television program, not only reduce the cost of whole set of television, also reduced the complexity of design.And, adopt television set of the present utility model owing to the device separates of television main with the storage television program, therefore, television program will no longer be subjected to the restriction of memory device capacity, can carry more function.And the user can upgrade to television program by computer or external memory easily, even the software upgrading failure also is very easy to recover.In addition, use television set of the present utility model, if father and mother do not wish when going out that children are in and steal a glance at TV, can directly the external memory of preserving television program be taken off, make the television set operation of can't starting shooting, reach the purpose of supervision.
After reading the detailed description of the utility model execution mode in conjunction with the accompanying drawings, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the internal circuit theory diagram of conventional television;
Fig. 2 is the internal circuit theory diagram of a kind of embodiment of the television set that proposes of the utility model;
Fig. 3 is the internal circuit theory diagram of another embodiment of the television set that proposes of the utility model;
Fig. 4 is a kind of flow chart that starts operation method of the television set that proposes of the utility model;
Fig. 5 is that another of the television set that proposes of the utility model starts the flow chart of operation method.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is done explanation in further detail.
At first the design philosophy that the employing that the utility model proposed is completely newly started the television set of operation method is briefly described:
Along with the development of television set, USB interface and memory card interface have become the indispensable interface of television set, read and write the critical function that data in the external memory also become television set by USB interface or memory card interface.But for a long time, USB interface and memory card interface mainly are used to provide the multimedia video data to television set, realize multimedia function, and this function is quite universal in current panel TV set.Also have by USB interface or memory card interface television program is upgraded or technology of upgrading, promptly, be written to the television program that is stored in USB flash disk or the storage card in the nonvolatile memory of television set inside by USB interface or memory card interface, in NAND Flash, to upgrade original television program among the NAND Flash, realize renewal and upgrade function to television program.
These application all are based on traditional television set internal structure, the media that external memory is just upgraded and loaded as a stored program, can not store television program since all consider external memory, can dispense the nonvolatile memory of television set inside so fully, and directly use external memory to start the television set operation, reach thus and simplify the television set internal structure, reduce the complexity of circuit design, and make things convenient for television program to upgrade and purpose of upgrading.
Television set of the present utility model just is being based on above-mentioned design philosophy and is proposing.
Below by three specific embodiments, elaborate the specific design mode and the course of work thereof of television set that the utility model proposes and the startup operation method that is adopted thereof.
Embodiment one, referring to shown in Figure 2, the chief components such as external memory (below be called to start use external memory) that the television set of present embodiment comprises CPU, internal memory, store the memory of system bootstrap routine, start interface and store television program.Wherein, described CPU can be integrated in the television set master chip, and is connected with described internal memory, memory and startup interface respectively.Described memory preferably adopts nonvolatile memory such as NOR Flash to come the storage system boot, transfers operation for CPU when television set powers up start.Described startup interface is arranged on the tv shell, is used for pegging graft starting using external memory.If only be provided with the interface of the external memory of can pegging graft on the television set, so just this interface setting is the startup interface.If be provided with the interface of a plurality of external memory of can pegging graft on the television set simultaneously, then television manufacturer can specify one of them interface as starting interface, being exclusively used in the startup external memory of pegging graft; Also can allow to use any one interface as described startup interface, at this moment, startup can be plugged on any one interface with external memory, when television set powers up start, finishes the loading procedure to television program.The startup flow process of two kinds of designs is slightly different, referring to the corresponding description in the subsequent embodiment two, three.
Compare conventional television internal structure shown in Figure 1, the television set of present embodiment can save a memory device on portion's circuit design within it, promptly be used to store the nonvolatile memory of television program, such as NAND Flash etc., make not only that thus the internal circuit configuration of television set is more succinct, reduced the design difficulty of PCB fabric swatch, and by television program is external, can avoid television program to be difficult to carry out the problem of procedure quantity expansion, thereby provide the support on the hardware for the growing function of television set in the future because of the restriction that is subjected to internal memory spare capacity.
In the present embodiment, described startup interface can be USB interface or memory card interface.Accordingly, described startup can be selected data storage mediums such as USB flash disk or storage card with external memory.In the present embodiment, described storage card includes but not limited to mmc card, CF card, SD card and pcmcia card, as long as can store data and data wherein can be read by television set.
In order further to satisfy television set master chip and the transfer of data requirement that starts interface, present embodiment also is provided with interface driving circuit between master chip and startup interface, referring to shown in Figure 3, such as voltage pull-up circuit etc., be connected on the data bus connection that starts between interface and the CPU, with the interface level requirement between matching unit.
For data format that CPU supported and the inconsistent situation of data transmission format that starts interface, present embodiment can also further be provided with data format converting in interface driving circuit, be connected between CPU and the startup interface, the Data Format Transform that is used for starting the television program of preserving with external memory is the data format that CPU supported, and then is loaded in the described internal memory by CPU.
Adopt Fig. 2, hardware shown in Figure 3 to set up the television set of structure, when the needs television boot-strap move, only need to start before television set powers up start or after starting shooting directly to be plugged on the startup interface and get final product with external memory.After this, the CPU of television set inside can transfer the television program of preserving in the external memory automatically, and the control television system starts operation.
For the startup operation method of the described television set of present embodiment, elaborate its workflow below by two specific embodiments.
Embodiment two, and present embodiment has proposed following television set and started operation method for the design of a fixed interface on the assigned TV set as described startup interface, referring to shown in Figure 4, comprises following process:
S401, incipient stage, television set is powered up start.
In this process, the power circuit of television set inside is converted to low-voltage dc power supply with the Alternating Current Power Supply of outside, for television set inside need start-up phase power on the operation power devices, such as the CPU on the TV SKD, internal memory and the memory (present embodiment following be that example describe with NOR Flash) etc. that stores system bootstrap routine, carry out smoothly to guarantee the start process.
System bootstrap routine among the CPU operation NOR Flash in S402, the master chip enters the vectoring phase.
S403, CPU detect to start on the interface whether be plugged with external memory by the operational system boot; If have, then carry out subsequent process; Otherwise, repeat this process, continue to detect to start on the interface whether be plugged with external memory.
S404, CPU detect in the external memory whether preserve television program by the operational system boot, use external memory if be plugged on the external memory that starts on the interface for starting, and promptly wherein preserve television program, then carry out subsequent process; Otherwise, return course S403, whether continue to detect to start has new external memory to insert on the interface.
S405, CPU utilize the startup interface drive program of writing in the system bootstrap routine, and the television program of preserving in the external memory is loaded on internal memory.
S406, system bootstrap routine detect the television program that is loaded in the internal memory; If the television program of encrypting after then the television program of encrypting being decrypted, is carried out subsequent process; Otherwise, directly carry out subsequent process.
Television program in S407, the CPU running memory.
S408, finish the start-up course of television set.
Embodiment three, present embodiment all can be used as the design that starts interface to the interface of any one pegged graft external memory of being provided with on the television set, have proposed following television set and have started operation method, referring to shown in Figure 5, comprise following process:
S501, incipient stage, television set is powered up start.
In this process, the power circuit of television set inside is converted to low-voltage dc power supply with the Alternating Current Power Supply of outside, for television set inside need start-up phase power on the operation power devices, such as the CPU on the TV SKD, internal memory and the memory (present embodiment following be that example describe with NOR Flash) etc. that stores system bootstrap routine, carry out smoothly to guarantee the start process.
System bootstrap routine among the CPU operation NOR Flash in S502, the master chip enters the vectoring phase.
S503, defined variable i, and be variable i tax initial value, i.e. i=0.
S504, judge i whether more than or equal to the sum of the interface on television set N, if, then make i=1, carry out subsequent process; Otherwise, make i=i+1, and carry out subsequent process.
Here, described N is can be as the quantity that starts interface on the television set, which in start-up course, specifically need detect interface, the television set developer can be set in system bootstrap routine, and all startup interfaces that start with external memory of can pegging graft are carried out the circular order detection.
S505, system bootstrap routine select i interface on the television set as the startup interface, and to whether being plugged with external memory on this interface detect; If have, then carry out subsequent process; Otherwise return course S504 continues to whether being plugged with external memory on other interface to detect.
S506, CPU detect in the external memory whether preserve television program by the operational system boot, if the external memory that is plugged on the current startup interface is used external memory for starting, promptly wherein preserve television program, then carry out subsequent process; Otherwise return course S504 continues to detect on other interface whether be plugged with external memory.
S507, CPU utilize the startup interface drive program of writing in the system bootstrap routine, and the television program of preserving in the external memory is loaded in the internal memory.
Here, write in the described system bootstrap routine that all can be used as the interface drive program that starts interface on the television set, CPU carries out corresponding with it interface drive program according to the type selecting of current startup interface, finishes the loading procedure to television program in the external memory.
S508, system bootstrap routine detect the television program that is loaded in the internal memory; If the television program of encrypting after then the television program of encrypting being decrypted, is carried out subsequent process; Otherwise, directly carry out subsequent process.
Television program in S509, the CPU running memory.
S510, finish the start-up course of television set.
Adopt the television set that the utility model proposed and start operation method, if television set provides upgrade function, the user can be by the upgrade function on the television set to the upgrading television program in the external memory.Even upgrading failure, television set can't start, and the user also can download up-to-date television program from the Internet, is saved in the external memory, again external memory is plugged on the startup interface of television set and starts TV, the television set function of also having upgraded in the time of startup.
If father and mother do not wish that children steal a glance at TV, they can take off external memory when leaving, and can't enter process S405 or S507 behind the television boot-strap like this, thereby can't move television program, make television set can't start operation, and then reach the purpose of supervision.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection range of the present utility model.
Claims (10)
1. a television set comprises CPU, the internal memory that is connected with described CPU and the memory of preserving system bootstrap routine; It is characterized in that: the television program of described television set is kept in the external memory, and described external memory is connected communication by the startup interface that is provided with on the television set with CPU.
2. television set according to claim 1 is characterized in that: described startup interface is a fixed interface of appointment on the television set, and described external memory directly is plugged on the described fixed interface when television set requires the start operation.
3. television set according to claim 1, it is characterized in that: described startup interface is the interface of any one pegged graft external memory of being provided with on the television set, and described external memory directly is plugged on one of them described interface when television set requires the start operation.
4. television set according to claim 1 is characterized in that: described startup interface is a USB interface; Described external memory is a USB flash disk.
5. television set according to claim 1 is characterized in that: described startup interface is a memory card interface; Described external memory is a storage card.
6. television set according to claim 5 is characterized in that: described storage card is mmc card, CF card, SD card or pcmcia card.
7. television set according to claim 1 is characterized in that: described CPU is integrated in the television set master chip.
8. television set according to claim 1 is characterized in that: the described memory of preserving system bootstrap routine is a NOR Flash memory.
9. according to each described television set in the claim 1 to 8, it is characterized in that: between described CPU and startup interface, be connected with interface driving circuit.
10. television set according to claim 9, it is characterized in that: in described interface driving circuit, be provided with data format converting, be connected between described CPU and the startup interface, after the Data Format Transform of the television program preserved in the external memory is the data format that CPU supported, be loaded in the described internal memory by CPU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206675807U CN201869296U (en) | 2010-12-09 | 2010-12-09 | Television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206675807U CN201869296U (en) | 2010-12-09 | 2010-12-09 | Television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201869296U true CN201869296U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206675807U Expired - Lifetime CN201869296U (en) | 2010-12-09 | 2010-12-09 | Television |
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|---|---|
| CN (1) | CN201869296U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256174A (en) * | 2011-07-25 | 2011-11-23 | 北京视博数字电视科技有限公司 | Digital television receiving equipment |
| CN102841805A (en) * | 2012-07-16 | 2012-12-26 | 埃派克森微电子(上海)股份有限公司 | Intelligent system based on multiple display devices for realizing wireless multi-user multithreading and processing method |
| CN103365679A (en) * | 2012-04-06 | 2013-10-23 | 上海博泰悦臻电子设备制造有限公司 | Upgrading method of vehicle-mounted system |
| CN104796763A (en) * | 2015-04-01 | 2015-07-22 | 太仓苏易信息科技有限公司 | Touch screen type external television set control software system |
-
2010
- 2010-12-09 CN CN2010206675807U patent/CN201869296U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102256174A (en) * | 2011-07-25 | 2011-11-23 | 北京视博数字电视科技有限公司 | Digital television receiving equipment |
| CN103365679A (en) * | 2012-04-06 | 2013-10-23 | 上海博泰悦臻电子设备制造有限公司 | Upgrading method of vehicle-mounted system |
| CN102841805A (en) * | 2012-07-16 | 2012-12-26 | 埃派克森微电子(上海)股份有限公司 | Intelligent system based on multiple display devices for realizing wireless multi-user multithreading and processing method |
| CN104796763A (en) * | 2015-04-01 | 2015-07-22 | 太仓苏易信息科技有限公司 | Touch screen type external television set control software system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170215 Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Qingdao Hisense Electric Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: Qingdao Hisense Xinxin Technology Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110615 |
|
| CX01 | Expiry of patent term |