CN100416504C - LCD capable of upgrade program by choosing mode and upgrade method of program - Google Patents
LCD capable of upgrade program by choosing mode and upgrade method of program Download PDFInfo
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- CN100416504C CN100416504C CNB2006100980753A CN200610098075A CN100416504C CN 100416504 C CN100416504 C CN 100416504C CN B2006100980753 A CNB2006100980753 A CN B2006100980753A CN 200610098075 A CN200610098075 A CN 200610098075A CN 100416504 C CN100416504 C CN 100416504C
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Abstract
This invention discloses one LCD device to select mode for program updating, which comprises user selection unit, single machine, switch control chip, response time acceleration chip, contract chip and signal input part to select update type user selection of connected between single machine and switch control chip; single machine sends different level signals to switch control chip; switch control chip receives signal input part to send program update type; switch control chip signal input part sends program update signals.
Description
One, technical field
The present invention relates to a kind of upgrade method of LCD, specifically a kind of LCD selectable modes carries out the method for program upgrade.
Two, background technology
Along with developing rapidly of science and technology, computer has become an indispensable part in people's daily life.Display is an important component part of computer, and it shows the needed information of people.Original CRT monitor volume is big, Heavy Weight, and can damage eyes of user after long-time the use, thereby the use of CRT monitor is restricted.And LCD not only volume is little, in light weight, and LCD power consumption is low, the high frequency of generation is also very low, can user's eyes not damaged after long-time the use, so it need increase gradually.Especially display device is tending towards maximizing gradually, and LCD all very outstanding aspect volume and weight is progressively replacing CRT monitor.
During use, people require LCD to have as quickly as possible reaction velocity.Update soon because electronic product has, thereby in use for some time, just need carry out program updates, make the reaction velocity of LCD further accelerate, to satisfy user's demand to original LCD.The existing LCD that has response time accelerating engine function can only be carried out program updates and storage to the flash memories chip that is connected on the scaler IC (convergent-divergent chip), and can not carry out program updates and storage to the flash memories chip that is connected to ODC IC (response time accelerating engine chip).
Traditional LCD has only Scaler to accept the signal of SCL (serial clock) and SDA (serial data), and sends the flash memories chip that is connected with it to, thereby carries out the renewal of program.And ODC IC not can receive this two signals.When the flash memories chip that is connected with ODC is carried out program updates, can not directly carry out program updates by the serial line interface communication modes, must replace the flash memory storage chip that to upgrade with the flash memory storage chip that writes new procedures, bring a lot of inconvenience to program upgrade; And, change a new flash memory storage chip, also caused the waste of portion's product, increased cost.
Three, summary of the invention
In order to address the above problem, the purpose of this invention is to provide the method that a kind of LCD selectable modes carries out program upgrade, by this method, when the user need upgrade the program of the flash memories chip that is connected with the ODC chip, unnecessaryly change a new flash memories chip, can directly carry out the renewal and the storage of program by the serial line interface communication modes.
The objective of the invention is to be achieved through the following technical solutions:
A kind of selectable modes carries out the LCD of program upgrade, it is characterized in that: it comprises user's choice menus, single-chip microcomputer, switch control chip, response time accelerating engine chip, convergent-divergent chip and signal input part; Being used for user's choice menus of option program upgrading mode is connected with the switch control chip by single-chip microcomputer, and single-chip microcomputer sends different level signals to the switch control chip according to the program upgrade mode of user's selection; The program upgrade signal that switch control chip acknowledge(ment) signal input part sends, and only the program upgrade signal is sent to corresponding in response time accelerating engine chip and the convergent-divergent chip one and the flash memories chip that is connected with this chip carried out program upgrade according to different level signals.
Among the present invention, when selecting with program upgrade mode that response time accelerating engine chip is connected, level signal is high level signal " 1 "; When selecting with program upgrade mode that the convergent-divergent chip is connected, level signal is low level signal " 0 ".
When level signal is " 1 ", switch control chip output serial clock and serial data signal are given the convergent-divergent chip, and to response time accelerating engine chip shielded signal, the convergent-divergent chip is passed to coupled flash memories chip with the signal that receives, and the flash memories chip is carried out the renewal of program.
When level signal is " 0 ", switch control chip output serial clock and serial data signal are given response time accelerating engine chip, and to convergent-divergent chip shielded signal, response time accelerating engine chip is given coupled flash memories chip with the signal that receives, and the flash memories chip is carried out the renewal of program.
A kind of LCD selectable modes carries out the method for program upgrade, it is characterized in that it may further comprise the steps:
1) opens convergent-divergent chip/response time accelerating engine chip user choice menus;
2) in above-mentioned user's choice menus, select connected mode;
When 21) selecting with flash memories chip that response time accelerating engine chip links to each other, single-chip microcomputer is exported high level " 1 ";
When 22) selecting with flash memories chip that the convergent-divergent chip links to each other, single-chip microcomputer output low level " 0 ";
3) the switch control chip is accepted above-mentioned level signal;
When 31) level signal was " 1 ", switch control chip output serial clock and serial data signal were given the convergent-divergent chip, to response time accelerating engine chip shielded signal; The convergent-divergent chip is passed to coupled flash memories chip with the signal that receives, and the flash memories chip is carried out the renewal of program;
When 32) level signal was " 0 ", switch control chip output serial clock and serial data signal were given response time accelerating engine chip, to convergent-divergent chip shielded signal; Response time accelerating engine chip is given coupled flash memories chip with the signal that receives, and the flash memories chip is carried out the renewal of program;
4) program upgrade finishes.
Traditional program upgrade can only to the Scaler chip on the flash memories chip carry out program upgrade.When the user upgrades for the flash memory storage chip that links to each other with ODC IC, because ODC IC not can receive this two signals, thereby can not come ROMPaq by ODC IC reception SCL and SDA signal, and can only change a flash memories chip, so just caused the waste of portion's product.
Compared with prior art, the present invention does not need to change a new flash memories chip when upgrading the program of the flash memories chip that is connected with the ODC chip, and we can directly carry out the renewal upgrading and storage of program by the serial line interface communication modes.It is very convenient that the present invention's pair flash memories chip that is connected with ODC carries out program updates; And, need not change a new flash memory storage chip, also saved cost.
Four, description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the process flow diagram that selectable modes of the present invention carries out the method for program upgrade.
The abbreviation letter is explained in the accompanying drawing:
IIC: serial line interface communication
ODC IC: response time accelerating engine chip Scaler IC: convergent-divergent chip SCL: serial clock
SDA: serial data
SDI: serial data input
SCK: clock signal
SPI: program storage
Five, embodiment
A kind of selectable modes of the present invention carries out the LCD of program upgrade, comprises user's choice menus, single-chip microcomputer, switch control chip, response time accelerating engine chip, convergent-divergent chip and signal input part.User's choice menus is used for option program upgrading mode.One end of single-chip microcomputer is connected with user's choice menus, the other end is connected with the switch control chip, single-chip microcomputer sends different level signals to the switch control chip according to the program upgrade mode that the user selects, during the user selects with response time accelerating engine chip is connected program upgrade mode, level signal is high level signal " 1 "; When selecting with program upgrade mode that the convergent-divergent chip is connected, level signal is low level signal " 0 ".The program upgrade signal that switch control chip acknowledge(ment) signal input part sends, and only the program upgrade signal is sent to corresponding in response time accelerating engine chip and the convergent-divergent chip one and the flash memories chip that is connected with this chip carried out program upgrade according to different level signals.
When level signal is " 1 ", switch control chip output serial clock and serial data signal are given the convergent-divergent chip, and to response time accelerating engine chip shielded signal, the convergent-divergent chip is passed to coupled flash memories chip 1 with the signal that receives, and flash memories chip 1 is carried out the renewal of program.
When level signal is " 0 ", switch control chip output serial clock and serial data signal are given response time accelerating engine chip, and to convergent-divergent chip shielded signal, response time accelerating engine chip is given coupled flash memories chip 2 with the signal that receives, and flash memories chip 2 is carried out the renewal of program.
A kind of LCD selectable modes carries out the method for program upgrade, it is characterized in that it may further comprise the steps:
At first open convergent-divergent chip/response time accelerating engine chip user choice menus; Then, in above-mentioned user's choice menus, select connected mode.
Selection is during with flash memories chip that response time accelerating engine chip links to each other, single-chip microcomputer output high level " 1 "; Control chip is accepted above-mentioned level signal, and output serial clock and serial data signal are given the convergent-divergent chip, to response time accelerating engine chip shielded signal; The convergent-divergent chip is passed to coupled flash memories chip with the signal that receives, and the flash memories chip is carried out the renewal of program.
Selection is during with flash memories chip that the convergent-divergent chip links to each other, single-chip microcomputer output low level " 0 "; When level signal was " 0 ", control chip was accepted above-mentioned level signal, and output serial clock and serial data signal are given response time accelerating engine chip, to convergent-divergent chip shielded signal; Response time accelerating engine chip is given coupled flash memories chip with the signal that receives, and the flash memories chip is carried out the renewal of program.
The present invention is when having the new function program of response time accelerating engine function liquid crystal display upgrading, it is the flash memory storage chip that links to each other to the Scaler chip that the user can select by the Scaler/ODC choice menus in the custom menu, carries out program updates and storage still for the flash memory storage chip that is connected with the ODC chip.So just can the disorderly phenomenon that causes display to crash of generating routine upgrading.
As mentioned above, when the present invention carries out program updates for the flash memory storage chip that links to each other with the ODC chip, just do not need to change the flash memory storaging chip of a new storage ODC function, program upgrade is convenient, has reduced the unnecessary waste of portion's product.
As mentioned above; though the present invention with embodiment openly as above; right its is not in order to limit the present invention; any those skilled in the art; under the situation that does not break away from the spirit and scope of the present invention; can carry out various changes and modification, so protection scope of the present invention is as the criterion when looking the claim restricted portion that is proposed.
Claims (5)
1. a selectable modes carries out the LCD of program upgrade, and it is characterized in that: it comprises user's choice menus, single-chip microcomputer, switch control chip, response time accelerating engine chip, convergent-divergent chip and signal input part; Being used for user's choice menus of option program upgrading mode is connected with the switch control chip by single-chip microcomputer, and single-chip microcomputer sends different level signals to the switch control chip according to the program upgrade mode of user's selection; The program upgrade signal that switch control chip acknowledge(ment) signal input part sends, and only the program upgrade signal is sent to corresponding in response time accelerating engine chip and the convergent-divergent chip one and the flash memories chip that is connected with this chip carried out program upgrade according to different level signals.
2. selectable modes according to claim 1 carries out the LCD of program upgrade, it is characterized in that: when selecting with program upgrade mode that response time accelerating engine chip is connected, level signal is high level signal " 1 "; When selecting with program upgrade mode that the convergent-divergent chip is connected, level signal is low level signal " 0 ".
3. selectable modes according to claim 2 carries out the LCD of program upgrade, it is characterized in that: when level signal is " 1 ", switch control chip output serial clock and serial data signal are given the convergent-divergent chip, and to response time accelerating engine chip shielded signal.
4. selectable modes according to claim 2 carries out the LCD of program upgrade, it is characterized in that: when level signal is " 0 ", switch control chip output serial clock and serial data signal are given response time accelerating engine chip, and to convergent-divergent chip shielded signal.
5. a LCD selectable modes carries out the method for program upgrade, it is characterized in that it may further comprise the steps:
1) opens convergent-divergent chip/response time accelerating engine chip user choice menus;
2) in above-mentioned user's choice menus, select connected mode;
When (21) selecting with flash memories chip that response time accelerating engine chip links to each other, single-chip microcomputer is exported high level " 1 ";
When (22) selecting with flash memories chip that the convergent-divergent chip links to each other, single-chip microcomputer output low level " 0 ";
3) the switch control chip is accepted above-mentioned level signal;
When (31) level signal was " 1 ", switch control chip output serial clock and serial data signal were given the convergent-divergent chip, to response time accelerating engine chip shielded signal; The convergent-divergent chip is passed to coupled flash memories chip with the signal that receives, and the flash memories chip is carried out the renewal of program;
When (32) level signal was " 0 ", switch control chip output serial clock and serial data signal were given response time accelerating engine chip, to convergent-divergent chip shielded signal; Response time accelerating engine chip is given coupled flash memories chip with the signal that receives, and flash memory storage core device sheet is carried out the renewal of program;
4) program upgrade finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100980753A CN100416504C (en) | 2006-11-30 | 2006-11-30 | LCD capable of upgrade program by choosing mode and upgrade method of program |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100980753A CN100416504C (en) | 2006-11-30 | 2006-11-30 | LCD capable of upgrade program by choosing mode and upgrade method of program |
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| Publication Number | Publication Date |
|---|---|
| CN1963756A CN1963756A (en) | 2007-05-16 |
| CN100416504C true CN100416504C (en) | 2008-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2006100980753A Expired - Fee Related CN100416504C (en) | 2006-11-30 | 2006-11-30 | LCD capable of upgrade program by choosing mode and upgrade method of program |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105630520B (en) * | 2014-10-28 | 2019-01-29 | 比亚迪股份有限公司 | SCM program data burning method, system and single-chip microcontroller |
| CN109885329B (en) * | 2019-02-28 | 2023-04-07 | 新华三信息技术有限公司 | Upgrading method and system and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530831A (en) * | 2003-03-12 | 2004-09-22 | 乐金电子(天津)电器有限公司 | Upgrading devoice of household electrical appliances software |
| JP2005140900A (en) * | 2003-11-05 | 2005-06-02 | Nec Access Technica Ltd | Interfacing method of image display panel |
| CN2789881Y (en) * | 2005-01-28 | 2006-06-21 | 陈世法 | Liquid crystal display device driving panel |
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- 2006-11-30 CN CNB2006100980753A patent/CN100416504C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1530831A (en) * | 2003-03-12 | 2004-09-22 | 乐金电子(天津)电器有限公司 | Upgrading devoice of household electrical appliances software |
| JP2005140900A (en) * | 2003-11-05 | 2005-06-02 | Nec Access Technica Ltd | Interfacing method of image display panel |
| CN2789881Y (en) * | 2005-01-28 | 2006-06-21 | 陈世法 | Liquid crystal display device driving panel |
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| CN1963756A (en) | 2007-05-16 |
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