CN102883122B - A kind of boot-strap circuit and starting-up method, a kind of TV - Google Patents
A kind of boot-strap circuit and starting-up method, a kind of TV Download PDFInfo
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Abstract
This application discloses a kind of boot-strap circuit and starting-up method, a kind of TV, wherein, boot-strap circuit includes: RAM, for storing the electronic equipment start data when start and the first browsing data, the browsing data in the first browsing data corresponding first moment, for characterizing the browse state that electronic equipment is up-to-date before being in holding state；Voltage management module, and RAM connection, being used for is that RAM powers when electronic equipment is in holding state；CPU, and the connection of voltage management module, for when receiving a starting-up signal, sending voltage and enable signal to voltage management module, the power supply needed when controlling voltage management module for electronic equipment offer start；Wherein, CPU and RAM connects, and is adjusted to open state for extracting start Data Control electronic equipment from RAM from holding state, and extracts the first browsing data from RAM, and loads the first browsing data after electronic equipment is started shooting.
Description
Technical field
The present invention relates to electronic technology field, particularly to a kind of boot-strap circuit and starting-up method, a kind of TV.
Background technology
At present, in some electronic equipments (such as TV), general boot system is often used to boot up, and the structure chart of boot system is as shown in Figure 1, first, after CPU receives " standby " order, CPU self and whole set of television can be stored the read only memory ROM of system such as start data；Then, power voltage supply module is by cutting system major part power supply, and in whole system, overwhelming majority subsystem is de-energized, complete machine enters " standby (or dormancy) " state, now, CPU can only respond " start " order, and other any orders can not respond without exception.
Further, after television standby, CPU first turns on all power of system after receiving " start " order, enters after steady-working state until all subsystems, CPU starts to load start data, owing to start data are stored in ROM, CPU needs to read RAM by start data from ROM, operates then through decompression etc., just can perform each system file, and read standby front browse state information.
And owing to reloading start data, it is necessary to read from ROM, then read in RAM, occupy the plenty of time, cause that current " start " time is long.
Further, since ROM storage speed and appearance quantitative limitation, CPU can only by very limited amount of status information (such as current volume, current channel etc.) storage to ROM, and after start, overwhelming majority browse state information are all lost, and cannot recover.
Summary of the invention
The present invention provides a kind of boot-strap circuit and starting-up method, a kind of TV, and long in order to the available machine time solving to exist in prior art, after start, major part browse state information is all lost, and the technical problem that cannot recover.
On the one hand, a present invention embodiment by the application, it is provided that following technical scheme:
A kind of boot-strap circuit, it is applied to an electronic equipment, wherein, described electronic equipment is able to receive that multimedia data signal, and there is open state and holding state, described boot-strap circuit includes: RAM, for storing the described electronic equipment start data when start and the first browsing data, the browsing data in described first browsing data corresponding first moment, for characterizing the browse state that described electronic equipment is up-to-date before being in described holding state；Voltage management module, and described RAM connects, for being that described RAM powers when described electronic equipment is in holding state；CPU, connect with described voltage management module, for when receiving a starting-up signal, send voltage and enable signal to described voltage management module, control described voltage management module and the power supply needed when starting shooting is provided for described electronic equipment, wherein, when described electronic equipment is in holding state, described CPU can only respond described starting-up signal；Wherein, described CPU and described RAM connects, it is adjusted to open state for extracting electronic equipment described in described start Data Control from described RAM from holding state, and from described RAM, extracts described first browsing data, and load described first browsing data after described electronic equipment is started shooting.
On the other hand, the present invention provides a kind of TV by another embodiment of the application, and described TV includes: at least one functional circuit；Boot-strap circuit, and at least one functional circuit described connection, including the boot-strap circuit as described in technique scheme；Electric supply installation, and described boot-strap circuit connects, for powering at least one functional circuit described and described boot-strap circuit.
Another further aspect, a kind of starting-up method, it is applied to an electronic equipment, wherein, described electronic equipment can receive multimedia data signal, wherein said electronic equipment includes open state and holding state, including: when described electronic equipment is in holding state, the CPU of described electronic equipment receives a starting-up signal；Described CPU sends voltage and enables signal to voltage management module, and control described voltage management module provides the power supply needed when starting shooting for described electronic equipment；When described CPU receives starting-up signal, from RAM, extract electronic equipment described in start Data Control be adjusted to open state from holding state；After described electronic equipment is in open state, from described RAM, extracts described first browsing data, and load described first browsing data after described electronic equipment is started shooting.
One or more technical schemes in technique scheme, have the following technical effect that or advantage:
In said one or multiple technical scheme, describe a kind of boot-strap circuit and starting-up method, by start data are stored in RAM, replace the technical scheme that start data are stored in ROM by prior art, when electronic equipment is started shooting, directly can call start data from RAM, shorten the available machine time, and, the browsing data that electronic equipment user before standby uses electronic equipment to retain also is stored in RAM, electronic equipment is after entering open state, up-to-date browsing data can also be loaded after starting shooting, mode of operation before just can recovering after making electronic equipment start.
Further, at electronic equipment before standby, control module by self-refresh and refresh browsing data, and be sent to RAM, it is possible to make electronic equipment after power-up, quickly return to former browse state.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of boot-strap circuit in background technology；
Fig. 2 is the schematic diagram of boot-strap circuit in the embodiment of the present application；
Fig. 3 is the schematic diagram that in the embodiment of the present application, self-refresh controls module.
Detailed description of the invention
Available machine time in order to solve to exist in prior art is long, after start, major part browse state information is all lost, and the technical problem that cannot recover, and the embodiment of the present invention proposes a kind of boot-strap circuit and starting-up method, a kind of TV, its solution general thought is as follows:
The application, by being stored in RAM by start data, replaces prior art by the start data technical scheme that is stored in ROM, and, the browsing data that electronic equipment user before standby uses electronic equipment to retain also is stored in RAM.
Further, when start, start data need not be read again from ROM, and start data can be directly read from RAM, shorten the available machine time, and after power-up, it is possible to from RAM, load browsing data, make electronic equipment after power-up, it is possible to be quickly adjusted to electronic equipment upper once use time residing browse state.
Below in conjunction with Figure of description, the main of the embodiment of the present invention is realized principle, specific implementation process and the beneficial effect that should be able to reach is explained in detail.
Embodiment one:
The embodiment of the present application describes a kind of boot-strap circuit, is applied to an electronic equipment.
Wherein, electronic equipment is able to receive that multimedia data signal, such as digital television signal, network data signals etc., and has open state and holding state.
In the embodiment of the present application, as in figure 2 it is shown, boot-strap circuit includes RAM1, voltage management module 2, CPU3, in addition, also include self-refresh and control module 4.
In order to realize quick turn-on, start data are stored in RAM1, replace prior art by the start data technical scheme that is stored in ROM, and, the browsing data that electronic equipment user before standby uses electronic equipment to retain also is stored in RAM1.
Further, the concrete annexation of device in boot-strap circuit is as shown in Figure 2, first, CPU3 and RAM1 connects, start data are called from RAM1 during for starting shooting, and it is invoked at the standby browsing data that user uses electronic equipment to retain before, so that after start, can quickly recover to the browse state before standby, in addition, CPU3 also with voltage management module 2, and self-refresh controls module 4 and connects, for making the two enable, and voltage management module 2 and RAM1 have annexation, after entering holding state at electronic equipment, power for RAM1.
Further, the concrete function of each device is as follows:
RAM1。
RAM1 is for storing the electronic equipment start data when start and the first browsing data.
Wherein, the browsing data in the first browsing data corresponding first moment, for characterizing the browse state that electronic equipment is up-to-date before being in holding state.
Such as, before standby, electronic equipment is under normal use state, and now, user is currently in use electronic equipment and browses webpage, when user at a time browses to a study website, if this moment of electronics needs standby, now, in the data of the study website that this moment browses, being first browsing data in the first moment, the state browsing this study website is the browse state that electronic equipment is up-to-date before being in holding state.
Voltage management module 2.
Voltage management module 2, and RAM1 connection, being used for is that RAM1 powers when electronic equipment is in holding state.
CPU3。
Now, CPU3 has several functions.
The first:
CPU3 and voltage management module 2 connect, for when receiving a starting-up signal, sending voltage and enable signal to voltage management module 2, the power supply needed when controlling voltage management module 2 for electronic equipment offer start.
The second:
CPU3 and RAM1 connects, and is adjusted to open state for extracting start Data Control electronic equipment from RAM1 from holding state, and extracts the first browsing data from RAM1, and loads the first browsing data after electronic equipment is started shooting.
The third:
CPU3 and self-refresh control module 4 and connect, and are additionally operable to send self-refresh and enable signal to self-refresh control module 4, so that self-refresh control module 4 enables signal based on self-refresh sends self-refresh control signal to RAM1.
Self-refresh controls module 4.
Self-refresh controls module 4, and for, before electronic equipment is standby, sending self-refresh control signal to RAM1, being refreshed by the second browsing data corresponding with the second moment is the first browsing data, wherein, before being engraved in for the first moment when second.
Such as, such as the example above, as user, in the first moment, such as 5:30 timesharing starts to browse certain study website, before this, also browsed certain entertainment sites in 5:29 timesharing, then the moment of 5:29 was the second moment, when user browses certain study website, 5:29 can separately be begun the data that Refresh Data is study website of the entertainment sites browsed by electronic equipment, then carries out standby again.
And concrete, it is the combination by electronic device that self-refresh controls module 4, sends self-refresh control signal to RAM1.
As shown in Figure 3, the concrete structure figure of module 4 is controlled for self-refresh, specifically have employed two N-channel mos pipes 402, it is possible to accept the CPU3 self-refresh sent and enable signal, so that self-refresh controls module 4 and enables signal transmission self-refresh control signal to RAM1 based on self-refresh.
Concrete, self-refresh controls module 4 and mainly includes NPN type triode 401 and two N-channel mos pipes 402.
Wherein, the two N-channel mos pipe 402 is able to receive that the CPU3 self-refresh sent enables signal, generates two self-refresh control signals respectively to the sub-chip in RAM1.
NPN type triode 401, the external electric supply installation of colelctor electrode c of NPN type triode 401, the emitter e ground connection of NPN type triode 401, the base stage b of NPN type triode 401 connects CPU3, is used for being received from refreshing and enables signal.
Two N-channel mos pipes 402, in the embodiment of the present application by its called after the first N-channel mos pipe 402 and the second N-channel mos pipe 402.
Wherein, the grid G of the first N-channel mos pipe 402 and the second N-channel mos pipe 402 connects the colelctor electrode c of NPN type triode 401 jointly, the source S ground connection of the first N-channel mos pipe 402 and the second N-channel mos pipe 402, the drain D of the first N-channel mos pipe 402 and the second N-channel mos pipe 402 connects two sub-chips of RAM1 respectively, for enabling signal based on self-refresh, send self-refresh control signal to the two of RAM1 sub-chips.
In addition, in order to protect self-refresh to control module 4, self-refresh controls module 4 and specifically also includes:
First resistance R1, the first resistance R1 is connected between the base stage b of CPU3 and NPN type triode 401.
Second resistance R2, the second resistance R2 is connected between the colelctor electrode c of electric supply installation and NPN type triode 401.
3rd resistance R3, first end of the 3rd resistance R3 is connected between the second resistance R2 and the colelctor electrode c of NPN type triode 401, and the second segment of the 3rd resistance R3 connects the grid G of the first N-channel mos pipe 402 and the second N-channel mos pipe 402.
4th resistance R4,4th resistance R4 has two, and the resistance of two can be different, wherein, first end of first the 4th resistance R4 is connected between drain D and a sub-chip of RAM1 of the first N-channel mos pipe 402, the second end ground connection of first the 4th resistance R4.
First end of second the 4th resistance R4 is connected between drain D and another sub-chip of RAM1 of the second N-channel mos pipe 402, the second end ground connection of second the 4th resistance R4.
First electric capacity C1, first end of the first electric capacity C1 is connected between second end of the 3rd resistance R3 and the grid G of N-channel mos pipe 402, the second end ground connection of the first electric capacity C1.
It is above self-refresh and controls the concrete structure of module 4, in the embodiment of the present application, use this circuit structure be merely to illustrate and explain the application, it is not used to limit the application, in actual applications, user can select different self-refresh control modules 4 to be replaced, and the application does not limit.
In the embodiment of the present application, by being stored in RAM1 by start data, replace prior art by the start data technical scheme that is stored in ROM, and, the browsing data that electronic equipment user before standby uses electronic equipment to retain also is stored in RAM1.
Its main workflow is as follows:
Electronic equipment is from normal condition to holding state:
First, after CPU3 receives " standby " order, the data that CPU3 and electronic equipment start shooting can be stored in RAM1.
Then, CPU3 sends " voltage enable signal " to voltage management module 2, and controlling voltage management module 2 is that RAM1 powers when electronic equipment is in holding state, and after the system that is maintained at enters " standby " state, the data in RAM1 are not lost.
Secondly, CPU3 sends self-refresh and enables signal " control module 4 to self-refresh; control self-refresh and control module 4 and send self-refresh control signal to RAM1; being refreshed by the second browsing data is the first browsing data, enables RAM1 to keep the up-to-date browsing data that electronic equipment user before standby uses electronic equipment to retain.
In the embodiment of the present application, " voltage enable signal " and " self-refresh enable signal " is all that the GPIO mouth of CPU3 provides.
Again, CUP controls to cut off most of power supply of system in electronic equipment, except keeping electricity except RAM1, in whole system, major part subsystem is de-energized, therefore complete machine enters " standby (or dormancy) " state, and electronic equipment then has only to consume relatively low power consumption, and, CPU3 can only respond " start " order, and other any orders can not respond without exception.
Electronic equipment is from holding state to open state:
First, CPU3 receives starting-up signal.
Secondly, send voltage and enable signal to voltage management module 2, the power supply needed when controlling voltage management module 2 for electronic equipment offer start.
Again, opening whole system power supply is, for the system power supply in electronic equipment.
Again, entering after steady-working state until all subsystems, CPU3 directly extracts start Data Control electronic equipment from RAM1 and is adjusted to open state from holding state.
From RAM1, start data are directly read due to CPU3, compared with reading information from ROM, the speed reading information from RAM1 is faster, further, owing to start data have intactly been present in RAM1, CPU3 need not perform the operation of " reloading operating system " again, can breakpoint trouble-free operation that and then " standby " is front go down, therefore, it can be greatly shortened the available machine time, Consumer's Experience is very good.
Additionally, after electronic equipment is in open state, CPU3 can extract the first browsing data from RAM1, and load the first browsing data after electronic equipment is started shooting, the all states front to retain " standby ", including the picture that the moment before standby shows on electronic equipment screen, Consumer's Experience so can also be made to be greatly improved.
Illustrative examples illustrates below:
Adopting the electronic equipment of the boot-strap circuit of present invention proposition, user starts the network function of electronic equipment, in the process browsing " webpage ", presses " standby " key on remote controller, and complete machine enters " standby " state immediately.User again press " standby " key on remote controller send " start " order after, television boot-strap process is very fast, and after start, it being presented directly to exactly " standby " front webpage browsed of user, user can continue to browse, it is not necessary to takes time and resets and search for.
Therefore, adopting " quick turn-on system " that the present invention proposes, Consumer's Experience is very good；
In the above-described embodiments, describe a kind of boot-strap circuit and starting-up method, by start data are stored in RAM, replace the technical scheme that start data are stored in ROM by prior art, when electronic equipment is started shooting, directly can call start data from RAM, shorten the available machine time, and, the browsing data that electronic equipment user before standby uses electronic equipment to retain also is stored in RAM, electronic equipment is after entering open state, up-to-date browsing data can also be loaded after starting shooting, mode of operation before just can recovering after making electronic equipment start.
Further, at electronic equipment before standby, control module by self-refresh and refresh browsing data, and be sent to RAM, it is possible to make electronic equipment after power-up, quickly return to former browse state.
Embodiment two:
In the embodiment of the present application, it is provided that a kind of TV, including:
At least one functional circuit.
Boot-strap circuit, and at least one functional circuit connects, including the boot-strap circuit that such as above-described embodiment describes.
Electric supply installation, and boot-strap circuit connection, for powering at least one functional circuit and boot-strap circuit.
Pass through one or more embodiments of the invention, it is possible to achieve following technique effect:
In said one or multiple embodiment, describe a kind of boot-strap circuit and starting-up method, by start data are stored in RAM, replace the technical scheme that start data are stored in ROM by prior art, when electronic equipment is started shooting, directly can call start data from RAM, shorten the available machine time, and, the browsing data that electronic equipment user before standby uses electronic equipment to retain also is stored in RAM, electronic equipment is after entering open state, up-to-date browsing data can also be loaded after starting shooting, mode of operation before just can recovering after making electronic equipment start.
Further, at electronic equipment before standby, control module by self-refresh and refresh browsing data, and be sent to RAM, it is possible to make electronic equipment after power-up, quickly return to former browse state.
Obviously, the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (4)
1. a boot-strap circuit, is applied to an electronic equipment, and wherein, described electronic equipment is able to receive that multimedia data signal, and has open state and holding state, it is characterised in that described boot-strap circuit includes:
RAM, for storing the described electronic equipment start data when start and the first browsing data, the browsing data in described first browsing data corresponding first moment, for characterizing the browse state that described electronic equipment is up-to-date before being in described holding state；
Voltage management module, and described RAM connects, for being that described RAM powers when described electronic equipment is in holding state；
CPU, connect with described voltage management module, for when receiving a starting-up signal, send voltage and enable signal to described voltage management module, control described voltage management module and the power supply needed when starting shooting is provided for described electronic equipment, wherein, when described electronic equipment is in holding state, described CPU can only respond described starting-up signal；
Wherein, described CPU and described RAM connects, it is adjusted to open state for extracting electronic equipment described in described start Data Control from described RAM from holding state, and from described RAM, extracts described first browsing data, and load described first browsing data after described electronic equipment is started shooting；
Self-refresh controls module, it is connected with described CPU and described RAM respectively, described self-refresh controls module and includes: NPN type triode, the external electric supply installation of colelctor electrode of described NPN type triode, the grounded emitter of described NPN type triode, the base stage of described NPN type triode connects CPU, is used for being received from refreshing and enables signal；At least one N-channel mos manages, wherein, the grid of described N-channel mos pipe connects the colelctor electrode of described NPN type triode, the source ground of described N-channel mos pipe, the drain electrode of described N-channel mos pipe connects described RAM, sends self-refresh control signal to described RAM for enabling signal based on described self-refresh；Described self-refresh controls module for before described electronic equipment is standby, send self-refresh control signal to described RAM, being refreshed by the second browsing data corresponding with the second moment is described first browsing data, wherein, before being engraved in described first moment when described second.
2. boot-strap circuit as claimed in claim 1, it is characterized in that, described CPU is additionally operable to send self-refresh and enables signal to described self-refresh control module, so that described self-refresh controls module and sends described self-refresh control signal to described RAM based on described self-refresh enable signal.
3. boot-strap circuit as claimed in claim 1, it is characterised in that described self-refresh controls module and specifically includes:
First resistance, described first resistance is connected between the base stage of described CPU and described NPN type triode；
Second resistance, described second resistance is connected between the colelctor electrode of described electric supply installation and described NPN type triode；
3rd resistance, the first end of described 3rd resistance is connected between described second resistance and the colelctor electrode of described NPN type triode, and the second end of described 3rd resistance connects the grid of described N-channel mos pipe；
4th resistance, the first end of described 4th resistance is connected between drain electrode and the described RAM of described N-channel mos pipe, the second end ground connection of described 4th resistance；
First electric capacity, the first end of described first electric capacity is connected between the second end of described 3rd resistance and the grid of described N-channel mos pipe, the second end ground connection of described first electric capacity.
4. a TV, it is characterised in that described TV includes:
At least one functional circuit；
Boot-strap circuit, and at least one functional circuit described connection, the boot-strap circuit that described boot-strap circuit is specially in claim 1-3 described in arbitrary claim；
Electric supply installation, and described boot-strap circuit connects, for powering at least one functional circuit described and described boot-strap circuit.
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| CN201210362070.2A CN102883122B (en) | 2012-09-25 | 2012-09-25 | A kind of boot-strap circuit and starting-up method, a kind of TV |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103686017B (en) * | 2013-12-20 | 2018-05-18 | 深圳Tcl新技术有限公司 | Power-supplying circuit and the method for realizing smart machine quick turn-on |
| CN106375852B (en) * | 2015-07-20 | 2020-04-21 | 青岛海信电器股份有限公司 | Playing signal output control method and device and playing system |
| CN105516809B (en) * | 2015-12-14 | 2019-02-26 | 深圳Tcl数字技术有限公司 | The start control circuit and method of television set |
| CN105916010B (en) * | 2016-05-30 | 2019-04-12 | 青岛海信电器股份有限公司 | A kind of standby and awakening method and device of smart television |
| CN106101838B (en) * | 2016-07-18 | 2019-07-16 | 青岛海信电器股份有限公司 | The processing method and digit receiving terminal of CI module in quick turn-on |
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| CN101937350A (en) * | 2010-09-08 | 2011-01-05 | 广东欧珀移动通信有限公司 | Method for switching on and off handheld mobile terminal |
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Address after: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee after: Hisense Visual Technology Co., Ltd. Address before: 266100 Zhuzhou Road, Laoshan District, Shandong, No. 151, No. Patentee before: QINGDAO HISENSE ELECTRONICS Co.,Ltd. |
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