CN101373399A - Electronic device with mobile communication and control method thereof - Google Patents
Electronic device with mobile communication and control method thereof Download PDFInfo
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- CN101373399A CN101373399A CNA2008102152376A CN200810215237A CN101373399A CN 101373399 A CN101373399 A CN 101373399A CN A2008102152376 A CNA2008102152376 A CN A2008102152376A CN 200810215237 A CN200810215237 A CN 200810215237A CN 101373399 A CN101373399 A CN 101373399A
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Abstract
The invention discloses an electronic mobile communication device and the control method thereof. The electronic device is connected with a network card, and comprises a control circuit unit which can be operated in a normal mode and a power-down mode, a first interface connected to the network card and the control circuit unit, a state switching detection circuit connected to the first interface, and an embedded controller connected to the state switching detection circuit and the control circuit unit, wherein if the control circuit unit is operated in the power-down mode, and the network card is switched from an idle state to a restart state, the first interface transmits a variation signal generated by the network card to the state switching detection circuit, and the state switching detection circuit enables the embedded controller to control the control circuit unit to switch from the power-down mode to the normal mode according to the variation signal. The control method allows the mobile communication device to enter the power-down mode, and enter the normal mode in time, so that a user can pick up the phone.
Description
Technical field
The present invention relates to a kind of electronic installation and control method thereof, and be particularly related to a kind of electronic installation and control method thereof with mobile communication.
Background technology
Because the progress of science and technology, present notebook computer or personal digital assistant (personaldigital assistant, hereinafter to be referred as PDA) or portable massaging device (media informationdevice, hereinafter to be referred as MID) all can an external third generation mobile net card (3G data card), be called for short the 3G network interface card, then become the 3G (Third Generation) Moblie device.
Connecting the 3G network interface card with notebook computer is example, and notebook computer promptly has the function of wireless Internet and the function of radio communication.That is to say that as long as carry notebook computer, the user can utilize the base station (base station) of notebook computer and outside to be connected and to reach the purpose of online or conversation in any time, any position.
Please refer to Fig. 1, it is depicted as the synoptic diagram that known notebook computer connects the 3G network interface card.Have a control circuit unit (control circuit unit) 120 in the notebook computer 100, this control circuit unit 120 comprises a central processing unit (CPU) 102, a north bridge chips (north-bridge chip) 104, one South Bridge chip (south-bridge chip) 106.Moreover the South Bridge chip 106 in the control circuit unit 120 comprises in the quick peripheral assembly and connects (peripheral component interconnect is called for short PCI) small card interface (hereinafter to be referred as, PCI-Express mini card interface).And 3G network interface card 150 can carry out the transmission of data according to USB interface in the middle of this PCI-Express mini card interface and control circuit unit 120, reaches the function of wireless Internet and the function of radio communication.In like manner, a control circuit unit is arranged also in the system of MID or PDA, for example ARM9 in the pda system or ARM11 also can be so that PDA have the function of wireless Internet and the function of radio communication and utilize the USB interface of ARM9 to connect a 3G network interface card.
That is to say that the user of notebook computer 100 is when using network or making a phone call (call out), control circuit unit 120 promptly can be linked up the function of reaching wireless Internet and radio communication via 3G network interface card 150 and outside base station.
As everyone knows, notebook computer 100 all has battery saving mode, for example S3 battery saving mode or S5 battery saving mode.And when the user does not use notebook computer 100 for a long time, notebook computer 100 can enter different battery saving mode (powersaving mode) by S0 normal mode (normal operation mode), is for example entered the S3 battery saving mode or is entered the S5 battery saving mode by the S0 normal mode by the S0 normal mode.
Clearly, when the user of notebook computer 100 in battery saving mode and when needing to use 3G network interface card 150 to link up with outside base station, user's this computer of Operational Note 100 easily enters the S0 normal mode, and the function of carrying out wireless Internet and making a phone call.
Yet, when notebook computer 100 in battery saving mode and when having external call (call in) to utilize 3G network interface card 150 to want to converse with the user, because 3G network interface card 150 can't have any mechanism to control notebook computer 100 and enter the S0 normal mode, therefore, the user can't receive this outside phone.That is to say that when known notebook computer 100 connected 3G network interface card 150, notebook computer 100 must maintain the S0 normal mode constantly and can't enter battery saving mode, so, notebook computer 100 just can receive external call.
Because after known notebook computer 100 connected 3G network interface card 150, notebook computer 100 can't enter battery saving mode, therefore, the power consumption meeting of notebook computer 100 is big and cause battery to power for a long time.In like manner, MID also can run into identical power consumption situation with PDA.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of electronic installation and control method thereof, to improve the disappearance of prior art with mobile communication.
The present invention proposes a kind of electronic installation with mobile communication and is connected with a network interface card, and comprising: a control circuit unit operates in a normal mode and a battery saving mode; One first interface is connected in network interface card and control circuit unit; One state exchange testing circuit is connected in first interface; And an embedded controller is connected in state exchange testing circuit and control circuit unit; Wherein, if control circuit unit operates in battery saving mode, and network interface card is become when restarting state by an idle state, first interface transmits a variable signal of network interface card generation to the state exchange testing circuit, the state exchange testing circuit makes this control circuit unit of embedded controller controls switch to normal mode by battery saving mode according to variable signal.
The present invention also proposes a kind of control method with electronic installation of mobile communication, comprises the following steps: when this electronic installation operates in a battery saving mode, detects one first signal and a secondary signal in one first interface in this electronics; When this first signal and this secondary signal does not change and when complementary, keep this electronic installation and operate in this battery saving mode; And when this first signal and this secondary signal change take place and be complementation, control this electronic installation and switch to a normal mode by this battery saving mode; Wherein, this electronic installation is connected to a network interface card with this first interface.
In order further to understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, yet accompanying drawing only provide with reference to and explanation, be not to be used for the present invention is limited.
Description of drawings
Figure 1 shows that known notebook computer connects the synoptic diagram of 3G network interface card.
Figure 2 shows that usb signal is idle state and restarts view.
Figure 3 shows that notebook computer of the present invention connects the synoptic diagram of 3G network interface card.
Embodiment
Because the 3G network interface card is to carry out the transmission of data with usb signal via the USB port in the PCI-Express mini card interface.Moreover according to further analysis, this usb signal can provide one first state and one second state, is respectively idle state (suspend state) and restarts state (resume state).Please refer to Fig. 2, it is depicted as usb signal is idle state and restarts view.When the D+ in the usb signal and D-signal maintained high level and low level individually constantly, this moment, visual 3G network interface card was in idle state.When the 3G network interface card will be restarted, D+ in the usb signal and D-signal can be converted to low level and high level, just restart state.Afterwards, the 3G network interface card just can begin to transmit signal.Also promptly, when the 3G network interface card is changed to when restarting state by idle state, promptly represent the 3G network interface card to produce a variable signal.
According to above-mentioned characteristic, the present invention proposes control circuit and the control method thereof in a kind of mobile communications device.Make mobile communications device can enter battery saving mode, and when external call utilized network interface card and user to converse, this mobile communications device can in time enter normal mode by power down mode and make the user can receive phone according to variable signal.
Please refer to Fig. 3, it is depicted as the synoptic diagram that notebook computer of the present invention connects the 3G network interface card.Have a control circuit unit 220 in the notebook computer 200, this control circuit unit 220 comprises a central processing unit 202, a north bridge chips 204, a South Bridge chip 206.Moreover, notebook computer 200 comprises a PCI-Express mini card interface, and 3G network interface card 250 can carry out the transmission of data according to this PCI-Express mini card interface and control circuit unit 220, reaches the function of wireless Internet and the function of radio communication.Moreover, also comprise in the notebook computer 200 a state exchange testing circuit (statechange detecting circuit) 230, with an embedded controller (embedded controller) 240.Wherein, state exchange testing circuit 230 is connected to the usb signal in this PCI-Express mini card interface, also is D+ and D-signal.And embedded controller 240 is connected to state exchange testing circuit 230 and control circuit unit 220.
According to embodiments of the invention, when 3G network interface card 250 is in idle state and notebook computer 200 and enters battery saving mode, embedded controller 240 output one enable signals (enable signal) are to state exchange testing circuit 230, in order to enabled state transition detection circuitry 230.And after state exchange testing circuit 230 was enabled, state exchange testing circuit 230 promptly can begin to detect the state variation of usb signal.When the 3G network interface card received external call, usb signal can be converted to the state of restarting by idle state.At this moment, state exchange testing circuit 230 detects the state variation of usb signal, and notice embedded controller 240 makes the control of the exportable systems of embedded controller 240 interrupt the South Bridge chip 206 of (system controlinterrupt is hereinafter to be referred as SCI) signals to the control circuit unit 220.Therefore, notebook computer 200 can and then enter the S0 normal mode according to the SCI signal, makes 3G network interface card 250 to carry out data transfer with control circuit unit 220.
Moreover when notebook computer 200 during in the S0 normal mode, embedded controller 240 stops output enable signal (enable signal) to state exchange testing circuit 230, makes enabled state transition detection circuitry 230 be failure to actuate.
According to embodiments of the invention, state exchange testing circuit 230, supplied by the standby power (standby power) of notebook computer 200 with embedded controller 240, therefore, when the battery saving mode of notebook computer 200, but state exchange testing circuit 230, with embedded controller 240 regular event still.
Moreover, comprise three PMOS transistors in the state exchange testing circuit 230.Wherein, first end of a PMOS transistor P1 is connected to the D+ signal, and the gate terminal of a PMOS transistor P1 is connected to the enable signal output terminal En of embedded controller 240; First end of the 2nd PMOS transistor P2 is connected to the D-signal, and the gate terminal of the 2nd PMOS transistor P2 is connected to the enable signal output terminal En of embedded controller 240; And, first end of the 3rd PMOS transistor P3 is connected to second end of the 2nd PMOS transistor P2, the gate terminal of the 3rd PMOS transistor P3 is connected to second end of a PMOS transistor P1, and second end of the 3rd PMOS transistor P3 is the output terminal O of state exchange testing circuit 230 and is connected to embedded controller 240.
When 3G network interface card 250 was in idle state and notebook computer 200 and enters battery saving mode, the enable signal of embedded controller 240 outputs was a low level.At this moment, a PMOS transistor P1 and the 2nd PMOS transistor P2 action.So, the 3rd PMOS transistor P3 grid receives high level D+ signal, makes the 3rd PMOS transistor P3 be failure to actuate, therefore, the output terminal O of state exchange testing circuit 230 is a low level, represents state exchange testing circuit 230 not detect the state variation of usb signal as yet.
When 3G network interface card 250 received external call, usb signal can be converted to the state of restarting by idle state.At this moment, the 3rd PMOS transistor P3 grid receives low level D+ signal, makes the 3rd PMOS transistor P3 move, and therefore, the high level D-signal of the 3rd PMOS transistor P3 first end can be passed to the output terminal O of state exchange testing circuit 230.Therefore, embedded controller 240 can learn that usb signal has produced state transformation, and embedded controller 240 exportable SCI signals are to control circuit unit 220, make notebook computer 200 enter the S0 normal condition and make 3G network interface card 250 to carry out data transfer with control circuit unit 220.
When notebook computer 200 entered the S0 normal condition, the enable signal of embedded controller 240 output can change high level into, and win PMOS transistor P1 and the 2nd PMOS transistor P2 are failure to actuate.Therefore, enabled state transition detection circuitry 230 is failure to actuate.
The above embodiments are to utilize the PCI-Express minicard interface that is connected in the 3G network interface card in the notebook computer, and utilize the usb signal in the middle of the PCI-Express mini card interface to reach getting in touch between 3G network interface card and the control circuit unit.Certainly, the present invention also can apply to the mobile communication network interface card of USB port and external other type of notebook computer.Also be, being external in USB port and mobile communication network interface card in the mobile communication network interface card is converted to when restarting state by idle state, utilize D+ signal and D-signal in the state exchange testing circuit detection USB port of the present invention, also can control notebook computer and enter normal mode by battery saving mode.
Therefore, the invention has the advantages that control circuit and the control method thereof that proposes in a kind of mobile communications device.Make mobile communications device can enter battery saving mode, and when external call utilized 3G network interface card and user to converse, mobile communications device can in time enter normal mode and make the user can receive phone.
In sum; though the present invention with preferred embodiment openly as above; yet it is not in order to limit the present invention; any those of ordinary skills; without departing from the spirit and scope of the present invention; when can doing various changes and retouching, so protection scope of the present invention is as the criterion when looking the scope that claims define.
Claims (19)
1. the electronic installation with mobile communication is connected with network interface card, it is characterized in that, above-mentioned electronic installation comprises:
Control circuit unit operates in normal mode and battery saving mode;
First interface is connected in above-mentioned network interface card and above-mentioned control circuit unit;
The state exchange testing circuit is connected in above-mentioned first interface; And
Embedded controller is connected in above-mentioned state exchange testing circuit and above-mentioned control circuit unit;
Wherein, if above-mentioned control circuit unit operates in above-mentioned battery saving mode, and above-mentioned network interface card is become when restarting state by idle state, above-mentioned first interface transmits the variable signal of above-mentioned network interface card generation to above-mentioned state exchange testing circuit, above-mentioned state exchange testing circuit makes the above-mentioned control circuit unit of above-mentioned embedded controller controls switch to above-mentioned normal mode by above-mentioned battery saving mode according to above-mentioned variable signal.
2. the electronic installation with mobile communication according to claim 1 is characterized in that, wherein, above-mentioned embedded controller controls is to utilize system's control look-at-me to control above-mentioned control circuit unit to switch to above-mentioned normal mode by above-mentioned battery saving mode.
3. the electronic installation with mobile communication according to claim 1 is characterized in that, wherein above-mentioned variable signal is that above-mentioned network interface card produces by first signal and the secondary signal that above-mentioned first interface is provided.
4. the electronic installation with mobile communication according to claim 3 is characterized in that, wherein, above-mentioned first signal and above-mentioned secondary signal are D+ signal and the D-signal in the usb signal.
5. the electronic installation with mobile communication according to claim 3 is characterized in that, wherein when above-mentioned idle state, above-mentioned first signal is that high level and above-mentioned secondary signal are low level; And when restarting state, above-mentioned first signal is that above-mentioned low level and above-mentioned secondary signal are above-mentioned high level in above-mentioned.
6. the electronic installation with mobile communication according to claim 3 is characterized in that, wherein above-mentioned state exchange testing circuit comprises:
The one PMOS transistor has gate terminal, in order to receive the enable signal that above-mentioned embedded controller is exported; Has first end, in order to receive above-mentioned first signal;
The 2nd PMOS transistor has gate terminal, in order to receive the above-mentioned enable signal that above-mentioned embedded controller is exported; Has first end, in order to receive above-mentioned secondary signal; And
The 3rd PMOS transistor has gate terminal, is connected to transistorized second end of an above-mentioned PMOS; Have first end, be connected to transistorized second end of above-mentioned the 2nd PMOS; Have second end, be connected to above-mentioned embedded controller.
7. the electronic installation with mobile communication according to claim 1 is characterized in that, wherein, when above-mentioned control circuit unit operated in above-mentioned battery saving mode, above-mentioned embedded controller enabled above-mentioned state exchange testing circuit; And when above-mentioned control circuit unit operated in above-mentioned normal mode, above-mentioned embedded controller stopped to enable above-mentioned state exchange testing circuit.
8. the electronic installation with mobile communication according to claim 1 is characterized in that, wherein, above-mentioned first interface is to connect the small card interface in the quick peripheral assembly, and above-mentioned network interface card is third generation mobile net card, in insert in above-mentioned electronic installation.
9. the electronic installation with mobile communication according to claim 1 is characterized in that, wherein, above-mentioned first interface be USB interface in order to the above-mentioned network interface card of extrapolation, and above-mentioned network interface card is the mobile communication network interface card.
10. the electronic installation with mobile communication according to claim 1 is characterized in that, wherein above-mentioned electronic installation is notebook computer, personal digital assistant or portable massaging device.
11. the control method with electronic installation of mobile communication is characterized in that above-mentioned control method comprises the following steps:
When above-mentioned electronic installation operates in battery saving mode, detect first signal and secondary signal in first interface in the above-mentioned electronic installation;
When above-mentioned first signal and above-mentioned secondary signal does not change and when complementary, keep above-mentioned electronic installation and operate in above-mentioned battery saving mode; And
When above-mentioned first signal and above-mentioned secondary signal change take place and be complementation, control above-mentioned electronic installation and switch to normal mode by above-mentioned battery saving mode;
Wherein, above-mentioned electronic installation is connected to network interface card with above-mentioned first interface.
12. control method according to claim 11, it is characterized in that, wherein, above-mentioned first interface is to connect the small card interface in the quick peripheral assembly, above-mentioned first signal and above-mentioned secondary signal are D+ signal and the D-signal that is connected in the above-mentioned quick peripheral assembly in the small card interface, and above-mentioned D+ signal and above-mentioned D-signal belong to usb signal.
13. control method according to claim 11 is characterized in that, wherein when the idle state of above-mentioned network interface card, above-mentioned first signal is that high level and above-mentioned secondary signal are low level; And, in above-mentioned network interface card restart state the time, above-mentioned first signal is that above-mentioned low level and above-mentioned secondary signal are above-mentioned high level.
14. control method according to claim 11 is characterized in that, wherein above-mentioned control method comprises that also the state exchange testing circuit receives above-mentioned first signal and above-mentioned secondary signal.
15. control method according to claim 14, it is characterized in that, wherein above-mentioned control method comprises that also embedded controller is connected in above-mentioned state exchange testing circuit, has system control look-at-me and controls above-mentioned electronic installation and switch to above-mentioned normal mode by above-mentioned battery saving mode.
16. control method according to claim 15 is characterized in that, wherein above-mentioned state exchange testing circuit comprises:
The one PMOS transistor has gate terminal, in order to receive the enable signal that above-mentioned embedded controller is exported; Has first end, in order to receive above-mentioned first signal;
The 2nd PMOS transistor has gate terminal, in order to receive the above-mentioned enable signal that above-mentioned embedded controller is exported; Has first end, in order to receive above-mentioned secondary signal; And
The 3rd PMOS transistor has gate terminal, is connected to transistorized second end of an above-mentioned PMOS; Have first end, be connected to transistorized second end of above-mentioned the 2nd PMOS; Have second end, be connected to above-mentioned embedded controller.
17. control method according to claim 11 is characterized in that, wherein above-mentioned electronic installation is notebook computer, personal digital assistant or portable massaging device.
18. control method according to claim 11 is characterized in that, wherein, above-mentioned first interface is to connect the small card interface in the quick peripheral assembly, and above-mentioned network interface card is to insert in above-mentioned electronic installation in the third generation mobile net card.
19. control method according to claim 11 is characterized in that, wherein, above-mentioned first interface be USB interface in order to the above-mentioned network interface card of extrapolation, and above-mentioned network interface card is the mobile communication network interface card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810215237.6A CN101373399B (en) | 2008-09-22 | 2008-09-22 | Electronic device with mobile communication and control method thereof |
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| CN200810215237.6A CN101373399B (en) | 2008-09-22 | 2008-09-22 | Electronic device with mobile communication and control method thereof |
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| CN101834940A (en) * | 2010-03-23 | 2010-09-15 | 中兴通讯股份有限公司 | Control method of voice service and voice service system |
| CN102169469A (en) * | 2011-04-07 | 2011-08-31 | 柴可 | Circuit and method for communication among devices based on USB disk |
| CN102385435A (en) * | 2010-08-27 | 2012-03-21 | 宏达国际电子股份有限公司 | Electronic device having operation mode dynamic adjusting mechanism and method of the same |
| CN102053698B (en) * | 2009-11-06 | 2013-02-13 | 联想(北京)有限公司 | Computer and network card control method |
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| CN101373399B (en) | 2014-12-31 |
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