CN101677475B

CN101677475B - Power management method, equipment and mobile terminal thereof

Info

Publication number: CN101677475B
Application number: CN2008102224247A
Authority: CN
Inventors: 单文英; 孙春辉; 梁小霞
Original assignee: Lenovo Beijing Ltd
Current assignee: Lenovo Beijing Ltd
Priority date: 2008-09-16
Filing date: 2008-09-16
Publication date: 2013-03-20
Anticipated expiration: 2028-09-16
Also published as: CN101677475A

Abstract

The invention relates to a power management method, equipment and a mobile terminal thereof. The method comprises the following steps: determining the state value of a power-on identification bit in a power management system; selecting preset power-on logics of different systems according to the state value of the power-on identification bit; setting the values of the power-on identification bits of different systems after different systems are in a power on or power off state; and setting the power feeding voltages of any system of different systems and system shared peripherals in accordance with received voltage control information sent by a corresponding processor in any system of different systems to realize the power management of the mobile terminal. By determining the state value of the power-on/off identification bit, the invention controls the power-on time sequence and power-off time sequence of a system corresponding to the mobile terminal, controls the power-on logic and power-off logic and the switching of power management of system shared peripherals among different systems, thereby realizing the power management of communication systems and application systems, leading the mobile terminal to work under a power state of independent communication system, and greatly reducing system power consumption.

Description

Method for managing power supply and equipment thereof and portable terminal

Technical field

The present invention relates to the portable terminal technology, particularly relate to a kind of method for managing power supply and equipment thereof and portable terminal.

Background technology

Intelligent mobile terminal all adopts the framework of application system and communication system at present, and its electric power system is powered by power-supply management system separately.Application system is powered on by the control of system switching machine as the application realization body of portable terminal.Communication system is as the communication module of application system, and powering on of it controlled by application system.Wherein, the power management schematic diagram of dual system comprises: the power-supply management system 14 of the power-supply management system 12 of application system 11, application system, communication system 13, communication system and key 15 as shown in Figure 1 in the existing portable terminal.In the figure, dotted line sign start process, single solid line represents start control; The most black heavy line represents the supply power voltage system, in black heavy line represent power supply pressure pipe reason control line, its concrete implementation procedure (comprising the startup and shutdown process) is:

Start process is: after pressing key, the application system start, power-supply management system 12 is powered for its application system 11, after application system 11 starts, and the start of control communication system, power-supply management system 13 is communication system power supply 14, simultaneously, application system 11 and communication system 13 are after the power supply start, according to the state of oneself, control respectively the separately power-supply management system output voltage of system by supply voltage management control bus, realize the power management of application system and communication system; The user judges whether to enter offline mode (such as aboard), if so, then controls the communication system shutdown.

Shutdown process is: after pressing closing key, judge that portable terminal whether under offline mode, if so, then notifies the application system shutdown, otherwise, the shutdown of notice communication system, after the communication system shutdown, the shutdown of notice application system.

By above-mentioned disclosed technical scheme as can be known, communication system can't realize independent start, can not be in independent power supply state, and the power consumption of system is larger.That is to say that portable terminal can not be operated in independently under the modes of communication systems, system power dissipation is high.And dual system adopts two its systems of cover power management complicated, and area occupied is large, is difficult to realize the miniaturization of portable terminal.

Summary of the invention

The embodiment of the invention provides a kind of method for managing power supply, power supply management device and portable terminal, with the power management of optimization system, reduces the power consumption of portable terminal, reduces usable floor area.

The embodiment of the invention provides a kind of method for managing power supply.Described method comprises:

Determine the state value of start flag in the power-supply management system;

Select the start logic of default different system according to the state value of described start flag;

Behind arbitrary system boot of described different system, voltage control information according to processor transmission corresponding in the arbitrary system that receives described different system, arbitrary system of described different system and the supply power voltage that peripheral hardware is shared by system are set, realize the power management of portable terminal.

The embodiment of the invention also provides a kind of method for managing power supply, comprising:

Determine the state value of shutdown flag in the power-supply management system;

Select the shutdown logic of different system, the system closedown that control is corresponding according to the state value of described shutdown flag.

Correspondingly, the embodiment of the invention provides a kind of power supply management device, comprising:

Determining unit is for the state value of determining to control the start of portable terminal different system or shutdown flag;

Control unit is used for arbitrary system boot or shutdown according to the state value control different system of described start or shutdown flag;

Power Management Unit, be used for providing the default voltage that works on power according to the start sequential of system requirements, and control arbitrary system boot of described different system at control unit after, voltage control information according to the transmission of the alignment processing device in the arbitrary system that receives described different system, arbitrary system of described different system and the supply power voltage that peripheral hardware is shared by system are set, and be that the peripheral hardware power supply is shared by corresponding system power supply and system, realize the power management of portable terminal.

The embodiment of the invention also provides a kind of portable terminal, comprising: treatment system and power supply management device, wherein,

Described treatment system, be used for receiving the start control information, and behind mobile terminal-opening, different processor in the described treatment system sends voltage control information by corresponding control bus to power supply management device, and the control power supply management device is that the peripheral hardware power supply is shared by this corresponding treatment system and system according to voltage control information; When the on-off state for the treatment of system changes, by corresponding control bus the state value of sharing the start in the register or the flag of shutting down in the power supply management device is set, and the value of the open state position of different system; When portable terminal shuts down, receive the shutdown control information;

Described power supply management device, be used for start or the shutdown of the default setting of control portable terminal, and the state value of start described in the memory mobile terminal or shutdown flag, value with arbitrary system boot mode bit of different system, and arbitrary system boot or the shutdown of controlling different system according to the state value of described start or shutdown flag, and when the on-off state of arbitrary system of different system changes, receive corresponding system to the state value of described start or shutdown flag by corresponding control bus, setting with the value of the open state position of arbitrary system of different system, and provide default supply power voltage according to the electrifying timing sequence of system requirements, and behind arbitrary system boot of the described different system of control, receive the voltage control information that the alignment processing device sends in arbitrary system of this different system by control bus, according to described voltage control information arbitrary system of described different system and the supply power voltage that peripheral hardware is shared by system are set, and be that the peripheral hardware power supply is shared by corresponding system and system, realize the power management of portable terminal.

By above-mentioned disclosed technical scheme as can be known, the embodiment of the invention is by determining the state value of switching on and shutting down flag, the start sequential of control portable terminal dual system and shutdown sequential, implement switching on and shutting down and system and share the switching of peripheral power supply management under dual system, finish the power management of portable terminal under different working modes.Thereby make portable terminal can be operated in the independently power supply state of single treatment system, greatly reduce the power consumption of system.The embodiment of the invention integrates the power management of a plurality of systems simultaneously, and cooperates multibus control, realizes the power management of a plurality of systems, and namely the optimization system power management reduces again the system area.

Description of drawings

Fig. 1 is the power management schematic diagram of the dual system of portable terminal in the prior art;

Fig. 2 is the flow chart of method for managing power supply in the first embodiment of the invention;

Fig. 3 is the flow chart of method for managing power supply in the second embodiment of the invention;

Fig. 4 is the flow chart of method for managing power supply in the third embodiment of the invention;

Fig. 5 is the flow chart of method for managing power supply in the fourth embodiment of the invention;

Fig. 6 is the structural representation of power supply management device in the fifth embodiment of the invention;

Fig. 7 is the structural representation of switchgear among Fig. 6;

The Application Example of a kind of portable terminal that Fig. 8 provides for sixth embodiment of the invention.

Embodiment

Below we in connection with accompanying drawing, optimum implementation of the present invention is described in detail.

See also Fig. 2, a kind of method for managing power supply that provides in the first embodiment of the invention is provided, be applied to the power management of portable terminal, in the present embodiment, for convenience of description, the different system that comprises in the portable terminal is take application system and communication system as example, but is not limited to this.Described method comprises:

Step 201: the state value of determining start flag in the power-supply management system of portable terminal;

Wherein, the state value of described definite start flag can be default by hardware, also can be by the software setting, and present embodiment is not restricted.

Step 202: the start logic of selecting default different system according to the state value of described start flag;

Wherein, the start logic of described default different system comprises at least: the start logic of communication system and the start logic of application system.

Step 203: behind arbitrary system boot of described different system, voltage control information according to alignment processing device transmission in the arbitrary system that receives described different system, arbitrary system of described different system and the supply power voltage that peripheral hardware is shared by system are set, realize the power management of portable terminal.

Preferably, described method also comprises: after described different system start, the value of the open state position of different system is set.

The embodiment of the invention finishes the switching on and shutting down logic by open state position in the start flag in the power-supply management system and the power-supply management system and the seamless switching of peripheral power supply management between different system shared by system, the power management under the multiple operating state of realization portable terminal.Power management with communication system in the portable terminal and application system integrates simultaneously, optimizes the power management of portable terminal dual system, reduces the design area of system.Power-supply management system in the embodiment of the invention is realized the shared outer seamless switching that is located between the different system of switching on and shutting down logic and system by switching on and shutting down flag and system boot mode bit, realize being separately communication system or the application system power supply of portable terminal, that is to say, portable terminal can be independently operated on communication pattern according to user's request, also can be independently operated on application model, perhaps be operated in simultaneously communication and application model, the perhaps seamless switching under this several modes.

For the ease of those skilled in the art's understanding, the below illustrates with specific embodiment.

See also Fig. 3, the flow chart of a kind of method for managing power supply of providing in the second embodiment of the invention is provided.In the present embodiment, different system but is not limited to this take communication system and application system as example in the described portable terminal, and present embodiment is take the start flow process as example, and described method comprises step:

Step 301: press switching on and shutting down equipment;

Described switching on and shutting down equipment is used for controlling start or the shutdown of the default setting of portable terminal, and goes out control signal according to receiving power supply management device by logical circuit, start or the shutdown of the system that control is corresponding; In the present embodiment, corresponding system is take communication system and application system as example, but is not limited to this.

Wherein, described switching on and shutting down equipment can comprise the switch switch, when pressing switch switch (such as start), then can send common control signal to power-supply management system, and described common control signal comprises: the start control information.

Step 302: the state value of judging start flag in the power-supply management system; If the state value of start flag is 1, then execution in step 303; If the state value of start flag is 0, then execution in step 308;

Step 303: select the start logic of communication system, the communication system start, the value of the open state position of described communication system is set to 1;

Step 304: portable terminal is operated under the independent communication pattern, communication processor is exported by the supply voltage that the Control on Communication bus arranges the shared peripheral hardware of communication system and system according to the state of self in the communication system, finishes the switching of power management and the state of communication system;

That is to say, after described communication system start, receive the voltage control information that communication processor sends by the Control on Communication bus in the described communication system, and according to the voltage control information that described communication processor sends the supply power voltage that peripheral hardware is shared by described communication system and system is set, and be that the peripheral hardware power supply is shared by communication system and system, realize the power management of portable terminal under the Control on Communication bus.That is to say, after the communication system start, communication processor in the described communication system sends to power-supply management system by the voltage control information that the Control on Communication bus will arrange the supply power voltage of the shared peripheral hardware of communication system and system, power-supply management system is according to the voltage control information that receives described communication processor transmission, described system and system are set share the supply power voltage of peripheral hardware, finish portable terminal and be operated in power management under the independent modes of communication systems.

Step 305: communication system judges whether to open application system, if, execution in step 306; Otherwise, execution in step 304;

Step 306: the communication processor in the communication system transmits control signal to application system, the start of control application system, and the state value of described start flag is set to 0, and the power management that peripheral hardware is shared by shutdown logic and system switches to application system; And the value of the open state position of described application system is set to 1;

Step 307: portable terminal is operated under communication pattern and the application model, communication processor is exported by the supply voltage that the Control on Communication bus arranges communication system according to the state of self in the communication system, application processor is exported by the supply voltage that the application controls bus arranges the shared peripheral hardware of application system and system according to the state of self in the application system, finishes the power management of portable terminal under the dual control bus processed and the switching of state.

That is to say, after the application system start, the state value of start flag is set to 0, shutdown logic and system share peripheral hardware and switch to application system, application processor sends voltage control information by the application controls bus to the applied power source management system in the power-supply management system, the applied power source management system arranges the supply power voltage of the shared peripheral hardware of described application system and system according to described voltage control information, and be application system and the power supply of shared peripheral hardware, realize the power management of portable terminal under application system and communication system dual control bus processed.After being the application system start, application processor arranges the supply voltage of the shared peripheral hardware of application system and system by the application controls bus according to the state of portable terminal.And communication system arranges the supply voltage of communication system by the Control on Communication bus according to the state of portable terminal, realized that portable terminal is by the power management of dual-bus structure when application system and communication system are worked simultaneously, be that communication power supply management system in the power-supply management system receives that communication processor sends voltage control information by the Control on Communication bus in the described communication system, and the supply power voltage of described communication system is set according to the voltage control information that described communication processor sends, and be that communication system is powered, applied power source management system in the power-supply management system receives in the described application system application processor and sends voltage control information by the application controls bus, and according to the voltage control information that described application processor sends the supply power voltage that peripheral hardware is shared by described application system and system is set, and be that the peripheral hardware power supply is shared by application system and system, realize the power management of portable terminal under application system and communication system dual control bus processed.

After step 307, execution in step 310 is to step 312;

Step 308: select the start logic of application system, the start of control application system, the value of the open state position of described application system is set to 1;

Step 309: after the application system start, control described communication system start, the value of the open state position of described communication system is set to 1;

After step 309, execution in step 307 and step 310 to step 312;

Step 310: application system judges whether to enter offline mode, if, execution in step 311; Otherwise, execution in step 307;

Step 311: application system transmits control signal to communication system, the shutdown of control communication system, and the value of the open state position of communication system is set to 0;

Step 312: portable terminal is operated under the independent application model, application processor arranges the output that external power voltage is shared by application system and system according to the state of self by control bus in the application system, finishes the switching of power management and the state of application system.

That is to say, application processor sends voltage control information by control bus to power-supply management system according to the state of self in the application system, after power-supply management system receives described voltage control information, send the supply power voltage that voltage control information arranges the shared peripheral hardware of described application system and system according to described application processor, realize the power management of portable terminal under the application controls bus.

Therefore, the embodiment of the invention is passed through the setting to the value of start flag and system boot mode bit, realize the shared seamless switching of peripheral power supply management under different system of switching on and shutting down logic and system, realized the power-supply management system of portable terminal under different working modes, be that the present invention can control separately that communication system start powers on or the application system start powers on, that is to say, portable terminal can be operated in the independent power supply state of communication system, can as required, control again the application system start and power on afterwards; Equally, portable terminal also can be operated under the pattern that application system and communication system work simultaneously, can control the communication system shutdown as required afterwards again, and portable terminal is operated under the independent application system pattern.Especially portable terminal can work alone in communication system, and application system works alone, communication and the application system seamless switching under three kinds of patterns of working simultaneously, and therefore, the embodiment of the invention reduces system power dissipation greatly by increasing the state of portable terminal.Simultaneously, the dual system power management of portable terminal is integrated (such as being integrated in the chip), and cooperate dual control bus processed, optimize the power management of portable terminal dual system, the design area of minimizing system.

The flow process of said method is the start flow process, accordingly, third embodiment of the invention provides a kind of method for managing power supply, its flow chart as shown in Figure 4, in the present embodiment, described treatment system to be comprising communication system and application system as example, but is not limited to the present invention, present embodiment is take shutdown process as example, and described method comprises:

Step 401: the state value of determining shutdown flag in the power-supply management system of portable terminal;

Wherein, the state value of described definite shutdown flag can be default or by the software setting by hardware, but be not limited to this.

Step 402: select the shutdown logic of different system, the system closedown that control is corresponding according to the state value of described shutdown flag.

Wherein, the shutdown logic of described different system comprises at least: the shutdown logic of communication system and the shutdown logic of application system, but be not limited to this.

Preferably, described method also comprises: behind arbitrary system closedown of described different system, the value of open state position of arbitrary system of different system is set.

In the present embodiment, described different system is take communication system and application system as example, but is not limited to this.Described power-supply management system comprises and is not limited to power management chip.

The embodiment of the invention can be implemented as communication system or application system is shut down separately, that is to say, portable terminal can be controlled separately the communication pattern shutdown according to user's request, also can control separately the application model shutdown.

Therefore, the embodiment of the invention is passed through the setting to the state value of shutdown flag, has realized that the power-supply management system in the portable terminal can be controlled separately the communication system shutdown or application system is shut down, and that is to say; Portable terminal can be operated in the state of application system, also can be operated in the state of communication system, can also be operated in the state of application system and communication system.Especially realize the seamless switching of portable terminal under three kinds of patterns, therefore, the embodiment of the invention reduces system power dissipation greatly by increasing the state of portable terminal.Simultaneously, the dual system power management of portable terminal is integrated (such as being integrated in the chip), and cooperate dual bus control, realize the power management of dual system, reduce the system area.

Also see also Fig. 5, the flow chart of a kind of method for managing power supply of providing in the fourth embodiment of the invention is provided, present embodiment is applicable to shutdown process, and described method comprises:

Step 501: press switching on and shutting down equipment;

Described switching on and shutting down equipment is used for controlling start or the shutdown of the default setting of portable terminal, and goes out control signal according to receiving power supply management device by logical circuit, start power supply or the shutdown of the system that control is corresponding; In the present embodiment, corresponding system is take communication system and application system as example, but is not limited to this.

Wherein, described switching on and shutting down equipment can comprise the switch switch, when pressing switch switch (such as shutdown), then can send common control signal to power-supply management system, and described common control signal comprises: the shutdown control information.

Step 502: the state value of judging shutdown flag in the power-supply management system; If the state value of shutdown flag is 1, then execution in step 503; If the state value of shutdown flag is 0, then execution in step 504;

Step 503: power-supply management system is selected the shutdown logic of communication system, and sends the control signal of shutting down to communication system, the communication system shutdown;

Step 504: application system reads the value of the open state position of communication system;

Step 505: judge the value of the open state flag of communication system, if be 1, then execution in step 506; If be 0, then execution in step 508.

Step 506: application system control communication system shutdown;

Step 507: the value that the open state position of communication system is set is 0; The application system shutdown.

Step 508: application system shutdown.

In the present embodiment, application system (including, but are not limited to application processor) adopts integrated power-supply management system (including, but are not limited to this power management chip) with communication system (including, but are not limited to communication processor), by flag and the corresponding state value that in power-supply management system, arranges, the shutdown sequential of control application system and communication system, and the switching of shutdown logic between two systems, satisfied portable terminal in the application processor system pattern, the communication processing system pattern, and the power management demand of the seamless switching of communication and three kinds of states of application system pattern, optimize better the power management of system in the portable terminal.

Accordingly, fifth embodiment of the invention also provides power supply management device, its structural representation as shown in Figure 6, described power supply management device comprises: determining unit 61, control unit 62 and Power Management Unit 63.Wherein, present embodiment is integrated in shared register with described determining unit 61, and control unit 62 is integrated in and is example in the switching on and shutting down equipment, but is not limited to this.

Described determining unit 61 for the state value of determining to control portable terminal system boot or shutdown flag, also is used for after different system start or shutdown the value of the open state position of different system being set; Described control unit 62 is used for determining according to described determining unit 61 state value control different system start or the shutdown of start or shutdown flag; Described Power Management Unit 63, be used for providing default supply power voltage according to the electrifying timing sequence of system requirements, and after the described different system start of control unit 62 controls, according to the voltage control information that receives the alignment processing device transmission in the described different system, described different system and system are set share the supply power voltage of peripheral hardware, and be that the peripheral hardware power supply is shared by corresponding system and system, realize the power management of portable terminal.

If different system comprises in the described portable terminal: application system and communication system, described determining unit 61 comprises: the first register, the second register and the 3rd register, described the first register, the second register and the 3rd register can be integrated in to be shared in the register but is not limited to this, wherein

Described the first register, be used for state value that or software default by hardware arranges the start flag for or the state value of shutdown flag be respectively 1 or 0; Described the second register is used for when application system is started shooting, and the value that the open state position of this application system is set is 1, and during the application system shutdown, the value that the open state position of this application system is set is 0; Described the 3rd register is used for when communication system is started shooting, and the value that the open state position of this communication system is set is 1, and during the communication system shutdown, the value that the open state position of this communication system is set is 0.

Described control unit 62 comprises: start control unit and shutdown control unit, and described start control unit is used for the state value according to the definite start of described start determining unit flag, the system boot that control is corresponding; Described shutdown control unit is used for the state value according to the definite shutdown of described shutdown determining unit flag, the system closedown that control is corresponding.

Wherein, determining unit is integrated in and shares in the register; Described control unit is integrated in the switching on and shutting down equipment; Described determining unit and control unit integrate or independent the existence; Described start determining unit and shutdown determining unit integrate or independent the existence, and described start control unit and shutdown control unit integrate or independent the existence.

Preferably, if described determining unit determines that the state value of start flag is 1, then described control unit control communication system start, the 3rd register is after the communication system start, and the value that the open state position of communication system is set is 1;

Described Power Management Unit 63 comprises: peripheral hardware power supply unit 633 is shared by Control on Communication bus interface 631, communication system power supply unit 632 and system, wherein,

Described Control on Communication bus interface 631, can be that the I2C bus also can be spi bus, be used for after the communication system start, receive communication processor by the Control on Communication bus and send voltage control information, and the voltage control information that described communication processor sends sent to the communication system power supply unit and the peripheral hardware power supply unit is shared by system, being used for the received communication system is system boot/shutdown flag to sharing register, communication system open state position, the setting of application system open state position;

Described communication system power supply unit 632, be used for providing default supply power voltage according to the electrifying timing sequence that communication system requires, and the voltage control information of transmitting according to described Control on Communication bus interface after start arranges the supply power voltage of described communication system, and powers for communication system;

Peripheral hardware power supply unit 633 is shared by described system, be used for after the communication system start, receive communication processor by the Control on Communication bus and send voltage control information, and according to described voltage control information the supply power voltage that the peripheral hardware power supply is shared by described system is set, and be that described system shares peripheral hardware and powers.

Preferably, described power supply management device also comprises:

The first judging unit is used for judging that when opening the application system of portable terminal, the communication processor in the notice communication system transmits control signal to application system, the start of control application system;

Described the second register is used for after the application system start, and the value that the open state position of application system is set is 1.

Described Power Management Unit 63 also comprises: application controls bus interface 641 and application system power supply unit 642:

Described application controls bus interface 641, can be that the I2C bus also can be spi bus, be used for after the application system start, receive application processor by the application controls bus and send voltage control information, and the voltage control information that described application processor sends sent to the application system power supply unit and power supply unit is shared by system, being used for receiving application system is system boot/shutdown flag to sharing register, communication system open state position, the setting of application system open state position;

Described application system power supply unit 642, be used for providing default supply power voltage according to the electrifying timing sequence that application system requires, and the voltage control information of transmitting according to described application controls bus interface after start arranges the supply power voltage of described application system, and powers for application system.

Peripheral hardware power supply unit 633 is shared by described system, also be used for after the application system start, receive application processor by the application controls bus and send voltage control information, and according to described voltage control information the supply power voltage that the peripheral hardware power supply is shared by described system is set, and be that described system shares peripheral hardware and powers.

If described determining unit determines that the state value of start flag is 0, then described start control unit control application system start; Described application system is controlled communication system start after start, and application system and communication system open state position are set to 1.

Described Power Management Unit 63 comprises: peripheral hardware power supply unit 633 is shared by application controls bus interface 641, application system power supply unit 642, Control on Communication bus interface 631, communication system power supply unit 632 and system, wherein,

Described application controls bus interface 641, be used for after the start control unit is controlled described application system start, receive the voltage control information that application processor sends by the application controls bus, and the voltage control information that described application processor sends sent to the application system power supply unit and when application system is started shooting, the peripheral hardware power supply unit is shared by system, being used for receiving application system is system boot/shutdown flag to sharing register, communication system open state position, the setting of application system open state position;

Described Control on Communication bus interface 631, be used for after the start control unit is controlled described communication system start, voltage control information by the transmission of Control on Communication bus received communication processor, and when the voltage control information that described communication processor sends sent to communication system power supply unit and application system shutdown, the peripheral hardware power supply unit is shared by system, being used for the received communication system is system boot/shutdown flag to sharing register, communication system open state position, the setting of application system open state position;

Peripheral hardware power supply unit 633 is shared by described system, be used for after the start control unit is controlled described application system start, receive the voltage control information of application processor by the application controls bus, and according to described voltage control information the supply power voltage that peripheral hardware is shared by described system is set, and be that described system shares peripheral hardware and powers.

Described power supply management device also comprises: the second judging unit is used for judging that when portable terminal need to enter offline mode, the notice application system transmitted control signal to communication system, the shutdown of control communication system;

Described the 3rd register is used for after the communication system shutdown, and the value that the open state position of communication system is set is 0.

Accordingly, if described determining unit determines that the state value of shutdown flag is 1, then described control unit control communication system shutdown.

If described determining unit determines that the state value of shutdown flag is 0,

Described control unit also comprises: judging unit for the value of the open state position of judging described communication system, is 1 if judge the value of the open state position of described communication system, then application system control communication system shutdown, application system shutdown; If judging the value of the open state position of described communication system is 0, then indicate shutdown control unit shutdown application system;

Described shutdown control unit, concrete being used for according to described indication by switching on and shutting down appliance control communication system closedown or application system shutdown;

Described the 3rd register is used for after the communication system shutdown, and the value that the open state position of communication system is set is 0;

Described the second register is used for after the application system shutdown, and the value that the open state position of application system is set is 0.

In addition, fifth embodiment of the invention also provides a kind of portable terminal, and described portable terminal comprises: treatment system (present embodiment is take communication system and application system as example) and power supply management device, wherein,

Described treatment system, be used for receiving the start control information, and behind mobile terminal-opening, different processor in the described treatment system sends voltage control information by corresponding control bus to power supply management device, and the control power supply management device is that the peripheral hardware power supply is shared by this corresponding treatment system and system according to voltage control information; When the on-off state for the treatment of system changes, by corresponding control bus the state value of sharing the start in the register or the flag of shutting down in the power supply management device is set, and the value of the open state position of correspondence system; When portable terminal shuts down, receive the shutdown control information;

At least comprise power supply management device as described in Figure 6 in the described power-supply management system, the function and efficacy of unit sees for details above-mentionedly in the described power supply management device, does not repeat them here.

Wherein, in the present embodiment, described switching on and shutting down equipment (to comprise that the switch switch is as example) is controlled start power supply or the shutdown of corresponding treatment system by logical circuit, mainly be to adopt high-low level that the start in the control power-supply management system or the flag of shutting down are set, that is to say, control start power supply or the shutdown of communication system or application system by the different state value of switching on and shutting down flag.Its concrete implementation procedure sees Fig. 7 for details.

In Fig. 7, Power ON/OFF is the switch switch, portable terminal only has a switch switch, the switch of switch described in the present embodiment is to control communication system or application system (present embodiment take communication processor CP or application processor AP as example, but be not limited to this) start or shutdown by the state that J6002 arranges.The below is take the start power supply as example, if J6002 ground connection, the start flag is 0, NAND gate U1 logic output high level pulse signal, and the AP start, NAND gate U3 is output low level always, and CP does not start shooting, and is in off-mode; If J6002 disconnects or the start flag of software setting is 1, NAND gate U3 logic output high level pulse, the CP start, U1 is output low level always, and AP does not start shooting.The high-low level of the flag of start described in the present embodiment can also be realized with software except can using hardware (such as hardware jumper) realization.

In the described portable terminal, after pressing switching on and shutting down equipment, the process of the power management of power-supply management system control application system and/or communication system sees the implementation procedure of said method for details, does not repeat them here.

Need to prove, power supply management device in the present embodiment is a kind of new product after integrated, by the setting of machine open/close flag and system mode position, realize that the power management of the shared peripheral hardware of switching on and shutting down and system carries out seamless switching between two systems.Can independently control start power supply or the shutdown of the communication system in the portable terminal, also can independently control application system start power supply or shutdown in the portable terminal, also can control start or the shutdown of two systems in the portable terminal, the particularly important is and to realize the seamless switching of portable terminal under the different system operating state.Be in the present embodiment power supply management device can by two the cover control buss, share the setting of register, accordingly control circuit and program, realize that communication system and/or the independent start of application system in the portable terminal power on/the power down shutdown, and portable terminal is operated under the different conditions, and peripheral power supply management is shared at the seamless switching of communication system and/or application system by the switching on and shutting down logic of terminal and system; That is to say that communication system and application system are managed respectively electrifying timing sequence, power supply and the power management of oneself, and according to the state of communication system in the portable terminal and application system, management system is shared the peripheral hardware power supply; The peripheral hardware electric power system is shared by system, gives the shared peripheral hardware power supply of system; Share the register setting area, both sides can also arrange and read corresponding information, carry out corresponding switching on and shutting down setting and power supply managing.

Also see also Fig. 8, the Application Example of a kind of portable terminal that provides for sixth embodiment of the invention.

As shown in Figure 8, comprising: AP power management 81, CP power-management interface 82, switching on and shutting down equipment 83, power supply management device 84, to AP system power supply 85, to CP system power supply 86, to the shared peripheral hardware power supply 87 of system, CP system 88 and AP system 89.Described power supply management device 84 comprises: application controls bus interface 841, application processing system power supply 842, Control on Communication bus interface 843, communication processing system power supply 844, system share peripheral hardware 845, share register 846.

Wherein, after switching on and shutting down equipment 83 start, AP power management 81 and CP power-management interface 82 by Control on Communication bus and/or application controls bus control respectively power supply management device, to AP system power supply 85, to CP system power supply 86, share peripheral hardware power supply 87 to system.Perhaps after portable terminal need to shut down by switching on and shutting down equipment 83, control communication system or application system were shut down, perhaps application system control communication system shutdown, and perhaps communication system is controlled application system shutdown etc., and its concrete implementation procedure sees for details following:

The state value of switching on and shutting down flag output through NAND gate U2 logical inversion after, and switching on and shutting down equipment is connected to CP start interface after non-by the logical AND of NAND gate U3.Be connected to AP start interface after switching on and shutting down flag and switching on and shutting down equipment are non-by the logical AND of NAND gate U1.Arranging of switching on and shutting down flag can be high (wire jumper disconnection) or low (wire jumper is closed) by wire jumper j6002 hardware setting; Also can be by treatment system in the course of the work, by the control bus setting.

Under the off-mode, when the state value of start flag was 1, with the NAND Logic output low level logic of the high level of pressing the generation of switching on and shutting down equipment by U1, AP did not start shooting.U2 output low level logic, and press high level that switchgear produces by U3 NAND Logic output high level pulse, CP start.

After the CP start, by the Control on Communication bus the shared peripheral hardware supply power voltage of communication system and system is set, namely send voltage control information by the Control on Communication bus to power supply management device 84, control voltage management equipment is that the peripheral hardware power supply is shared by communication system and system, realizes that portable terminal is operated in the power management under the independent communication pattern.

In the time of need to opening application system, CP control AP starts shooting, and the state value of sharing the switching on and shutting down flag in the register is set to 0, and the power management that peripheral hardware is shared by shutdown logic and system arrives application system by software or hardware exchange.The value of AP/CP open state position all is set to 1,

The supply voltage of the shared peripheral hardware of application system and system is set by the application controls bus according to the state of portable terminal after the application system start, communication system arranges the supply power voltage of communication system according to the state of self by the Control on Communication bus, realizes the power management of portable terminal when application system and communication system are worked simultaneously by dual-bus structure.

Under the off-mode, when the state value of start flag is 0, with the NAND Logic output high level pulse logic of the high level logic of pressing the generation of switching on and shutting down equipment by U1, AP start.U2 exports high level logic, and presses high level that switchgear produces by the pulse of U3 NAND Logic output low level, and CP does not start shooting.

Open communication system after the application system start, the open state position of communication system and application system is set to 1;

The supply voltage that application system is shared peripheral hardware according to the state of portable terminal by application system and the system of the setting of application controls bus, communication system arranges the communication system supply voltage according to the state of communication system itself, finish portable terminal be operated in use with communication pattern under power management.

When judgement need to enter offline mode, AP control CP shutdown.The start shooting state value of flag of CP is set to 0.

Application system arranges the supply voltage that peripheral hardware is shared by application system and system according to the state of mobile terminal system by the application controls bus, and application system realizes the power management of mobile terminal system under independent application system pattern by using bus.

Portable terminal is operated under the independent communication pattern, presses switching on and shutting down equipment this moment, because the shutdown flag is 1, the shutdown logic is connected to CP, and CP starts shutdown programm.Shutdown programm resets the switching on and shutting down flag, closes CP.

Portable terminal is operated under application and the communication pattern, and press switching on and shutting down equipment this moment, because flag is 0, the shutdown logic is connected to AP, and AP starts shutdown programm.Shutdown programm resets the switching on and shutting down flag, closes CP, closes AP.

Portable terminal is operated under the application model, and press switching on and shutting down equipment this moment, because flag is 0, the shutdown logic is connected to AP, and AP starts shutdown programm.Shutdown programm resets the switching on and shutting down flag, closes AP.

By above-mentioned disclosed embodiment as can be known, the present invention realizes switching on and shutting down appliance control communication system switching machine or application system switching on and shutting down and switching on and shutting down logic and the switching of system peripheral power management between two systems by the state value that the switching on and shutting down flag in the power-supply management system is set: that is to say, come control switch machine flag by switching on and shutting down equipment, thereby reach the power management of the shared peripheral hardware of control communication system upper electrical switch machine and system.Portable terminal can be operated in the independent power supply state of communication system; Also can be according to start flag state, the power management of peripheral hardware is shared by control application system upper electrical switch machine and system, and application system is opened communication system, and portable terminal can be operated in the state that application system and communication system are worked simultaneously; Further, according to demand, application system can the communication close system, and portable terminal also can be operated in the state that application system works independently; Especially the variation of different system on off state in the portable terminal course of work, the outer seamless switching that is located at different system is shared by switching on and shutting down logic and system.Therefore, the embodiment of the invention can also realize can determining whether open application system according to user's demand after the communication system start, in like manner, also can open communication system according to user's request after the application system start.This shows that the embodiment of the invention reduces system power dissipation greatly by increasing the state of portable terminal.Simultaneously, the power management of the dual system (also can realize multisystem) of portable terminal is integrated in the chip, cooperates dual bus control, realize the power management of dual system, reduce the system area.

The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims

1. method for managing power supply is applied to the power management of portable terminal, it is characterized in that, comprising:

Determine the state value of start flag in the power-supply management system;

Select the start logic of default different system according to the state value of described start flag, the start logic of described default different system comprises at least: the start logic of communication system and the start logic of application system;

If determine that the state value of described start flag is 1, then select the start of communication system according to the state value of start flag, after described communication system start, receive the voltage control information that communication processor sends by the Control on Communication bus in the described communication system, and according to the voltage control information that described communication processor sends the supply power voltage that peripheral hardware is shared by described communication system and system is set, and be that the peripheral hardware power supply is shared by communication system and system, realize the power management of portable terminal under the Control on Communication bus.

2. method according to claim 1, it is characterized in that, described method also comprises: behind arbitrary system boot of described different system, the value of open state position of arbitrary system of different system is set, after described communication system start, the value of the open state position of described communication system is made as 1, and after described application system start, the value of the open state position of described application system is set to 1.

3. method according to claim 1 is characterized in that, described method also comprises:

When needs are opened the application system of portable terminal, communication processor in the communication system transmits control signal to application system, the start of control application system, the state value of described start flag is set to 0, the power management that peripheral hardware is shared by shutdown logic and system switches to application system, and the value of the open state position of described application system is set to 1.

4. method according to claim 3 is characterized in that, described method also comprises:

After the described application system start, the power management of system being shared peripheral hardware switches to application system from communication system, applied power source management system in the power-supply management system receives the voltage control information that the application processor in the application system sends by the application controls bus, and send according to described application processor that voltage control information arranges described application system and the supply power voltage of peripheral hardware is shared by system, and be that application system and shared peripheral hardware are powered; Communication power supply management system in the power-supply management system receives the voltage control information that communication processor sends by the Control on Communication bus in the described communication system, and the supply power voltage of described communication system is set according to the voltage control information that described communication processor sends, and for the communication system power supply, realize the power management of portable terminal under application system and communication system dual control bus processed.

5. method according to claim 1 is characterized in that, if determine that the state value of described start flag is 0, then

Select the start logic of application system according to the state value of described start flag;

After the application system start, application system is controlled described communication system start, the value of the open state position of described application system is set to 1, the value of the open state position of described communication system is set to 1, communication processor in the received communication system and the application processor in the application system be the voltage control information by sending under Control on Communication bus and the application controls bus respectively, and according to the voltage control information correspondence that described communication processor and application processor send the supply power voltage that described communication system and application system and system are shared peripheral hardware is set, realize the power management of portable terminal under dual control bus processed.

6. according to claim 1 or 3 described methods, it is characterized in that described method also comprises:

When portable terminal need to enter offline mode, the application processor in the application system transmitted control signal to communication system, the shutdown of control communication system, and the value of the open state position of communication system is set to 0;

After the communication system shutdown, application processor sends voltage control information by the application controls bus to power-supply management system;

The voltage control information that the power-supply management system of described application system sends according to described application processor arranges the supply power voltage of the shared peripheral hardware of described application system and system, realizes the power management of portable terminal under the application controls bus.

7. according to claim 1 to 5 each described methods, it is characterized in that the state value of described definite start flag specifically comprises: default or software arranges the state value of start flag by hardware.

8. method for managing power supply is applied to the power management of portable terminal, it is characterized in that, comprising:

Select the shutdown logic of different system according to the state value of described shutdown flag, control the system closedown of described correspondence, the shutdown logic of described different system comprises at least: the shutdown logic of communication system and the shutdown logic of application system;

If determine that the state value of described shutdown flag is 1, then select the shutdown logic of communication system according to the state value of described shutdown flag, and control this communication system shutdown.

9. method according to claim 8 is characterized in that, described method also comprises: behind arbitrary system closedown of described different system, the value of open state position of arbitrary system of different system is set.

10. method according to claim 8 is characterized in that, if determine that the state value of described shutdown flag is 0, then

State value according to described shutdown flag sends the pass machine control signal to application system, the shutdown of control application system.

11. method according to claim 10 is characterized in that, also comprises:

Application system is judged the value of communication system open state position after receiving the pass machine control signal;

If judge that the value of described communication system open state position is 1, then application system control communication system shutdown, and the value that communication system open state position is set is 0, the application system shutdown;

If judge that the value of described communication system open state position is 0, then application system shutdown.

12. to 11 each described methods, it is characterized in that the state value of described definite shutdown flag specifically comprises according to claim 8: default or software arranges the state value of shutdown flag by hardware.

13. a power supply management device is characterized in that, comprising:

Determining unit, for the state value of determining to control the start of portable terminal different system or shutdown flag, different system comprises in the described portable terminal: application system and communication system;

Control unit, determine that the state value of start flag is 1 if be used for described determining unit, then described start control unit control communication system start, perhaps, if determine that the state value of described shutdown flag is 1, then select the shutdown logic of communication system according to the state value of described shutdown flag, and control this communication system shutdown;

Power Management Unit, be used for after described communication system start, receive the voltage control information that communication processor sends by the Control on Communication bus in the described communication system, and according to the voltage control information that described communication processor sends the supply power voltage that peripheral hardware is shared by described communication system and system is set, and be that the peripheral hardware power supply is shared by communication system and system, realize the power management of portable terminal under the Control on Communication bus.

14. equipment according to claim 13 is characterized in that, determining unit also is used for after arbitrary system boot of determining different system or shutdown, and the value of open state position of arbitrary system of described different system is set.

15. according to claim 13 or 14 described equipment, it is characterized in that,

Described determining unit specifically comprises: the first register, and the second register and the 3rd register, wherein,

Described the first register, be used for state value that or software default by hardware arranges the start flag for or the state value of shutdown flag be respectively 1 or 0;

Described the second register is used for when application system is started shooting, and the value that the open state position of this application system is set is 1, and during the application system shutdown, the value that the open state position of this application system is set is 0;

Described the 3rd register is used for when communication system is started shooting, and the value that the open state position of this communication system is set is 1, and during the communication system shutdown, the value that the open state position of this communication system is set is 0.

16. equipment according to claim 15 is characterized in that, described control unit comprises:

The start control unit determines that the state value of start flag is 1 if be used for described determining unit, then described start control unit control communication system start;

The shutdown control unit if be used for determining that the state value of described shutdown flag is 1, is then selected the shutdown logic of communication system according to the state value of described shutdown flag, and controls this communication system shutdown.

17. equipment according to claim 16 is characterized in that, described determining unit is integrated in to be shared in the register; Described control unit is integrated in the switching on and shutting down equipment; Described determining unit and control unit integrate or independent the existence; Described start determining unit and shutdown determining unit integrate or independent the existence, and described start control unit and shutdown control unit integrate or independent the existence.

18. equipment according to claim 13 is characterized in that,

Described Power Management Unit comprises: the peripheral hardware power supply unit is shared by Control on Communication bus interface, communication system power supply unit and system, wherein,

Described Control on Communication bus interface, be used for after the communication system start, receive communication processor by the Control on Communication bus and send voltage control information, and the voltage control information that described communication processor sends sent to the communication system power supply unit and the peripheral hardware power supply unit is shared by system, being used for the received communication system is system boot/shutdown flag to sharing register, communication system open state position, the setting of application system open state position;

Described communication system power supply unit, be used for providing default supply power voltage according to the electrifying timing sequence that communication system requires, and the voltage control information of transmitting according to described Control on Communication bus interface after start arranges the supply power voltage of described communication system, and powers for communication system;

The peripheral hardware power supply unit is shared by described system, be used for after the communication system start, receive communication processor by the Control on Communication bus and send voltage control information, and according to described voltage control information the supply power voltage that the peripheral hardware power supply is shared by described system is set, and be that described system shares peripheral hardware and powers.

19. equipment according to claim 18 is characterized in that, described equipment also comprises:

20. equipment according to claim 19 is characterized in that, described Power Management Unit also comprises: application controls bus interface and application system power supply unit:

Described application controls bus interface, be used for after the application system start, receive application processor by the application controls bus and send voltage control information, and the voltage control information that described application processor sends sent to the application system power supply unit and the peripheral hardware power supply unit is shared by system, being used for receiving application system is system boot/shutdown flag to sharing register, communication system open state position, the setting of application system open state position;

Described application system power supply unit, be used for providing default supply power voltage according to the electrifying timing sequence that application system requires, and the voltage control information of transmitting according to described application controls bus interface after start arranges the supply power voltage of described application system, is the application system power supply;

The peripheral hardware power supply unit is shared by described system, also be used for after the application system start, receive application processor by the application controls bus and send voltage control information, and according to described voltage control information the supply power voltage that the peripheral hardware power supply is shared by described system is set, and be that described system shares peripheral hardware and powers.

21. equipment according to claim 13 is characterized in that, if described determining unit determines that the state value of start flag is 0, and then described start control unit control application system start; Described application system is controlled the communication system start after start;

Described Power Management Unit comprises: the peripheral hardware power supply unit is shared by application controls bus interface, application system power supply unit, Control on Communication bus interface, communication system power supply unit and system, wherein,

Described application controls bus interface, be used for after the start control unit is controlled described application system start, receive the voltage control information that application processor sends by the application controls bus, and the voltage control information that described application processor sends sent to the application system power supply unit and the peripheral hardware power supply unit is shared by system, being used for receiving application system is system boot/shutdown flag to sharing register, communication system open state position, the setting of application system open state position;

Described application system power supply unit, be used for providing default supply power voltage according to the electrifying timing sequence that application system requires, and the voltage control information of transmitting according to described application controls bus interface after start arranges the supply power voltage of described application system, and powers for application system;

Described Control on Communication bus interface, be used for after the start control unit is controlled described communication system start, by the voltage control information of Control on Communication bus received communication processor transmission, and the voltage control information that described communication processor is sent sends to the communication system power supply unit;

The peripheral hardware power supply unit is shared by described system, be used for after the start control unit is controlled described application system start, receive the voltage control information of application processor by the application controls bus, and according to described voltage control information the supply power voltage that peripheral hardware is shared by described system is set, and be that described system shares peripheral hardware and powers.

22. according to claim 15 or 20 described equipment, it is characterized in that described equipment also comprises:

The second judging unit is used for judging that when portable terminal need to enter offline mode, the notice application system transmitted control signal to communication system, the shutdown of control communication system;

23. equipment according to claim 16 is characterized in that, if described determining unit determines that the state value of shutdown flag is 1, and then described control unit control communication system shutdown.

24. equipment according to claim 16 is characterized in that, if described determining unit determines that the state value of shutdown flag is 0,

Described control unit also comprises: judging unit, for the value of the open state position of judging described communication system, be 1 if judge the open state position of described communication system, then application system control communication system shutdown, the value that communication open state position is set is 0, the application system shutdown; If judging the state value of the start flag of described communication system is 0, then indicate shutdown control unit shutdown application system;

25. a portable terminal is characterized in that, comprising: treatment system and power supply management device, wherein,

26. portable terminal according to claim 25 is characterized in that, comprises at least in the described power supply management device such as each described power supply management device in the claim 13,14,16 to 21 or 23,24.