CN102902343B - Network equipment and its enabled method - Google Patents
Network equipment and its enabled method Download PDFInfo
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- CN102902343B CN102902343B CN201110217280.8A CN201110217280A CN102902343B CN 102902343 B CN102902343 B CN 102902343B CN 201110217280 A CN201110217280 A CN 201110217280A CN 102902343 B CN102902343 B CN 102902343B
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- enable
- signal
- network equipment
- enable signal
- temporary value
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Abstract
The present invention discloses a kind of network equipment and its enabled method, when network equipment by no-bias to there being bias voltage, or during main device start, first provide the application circuit of enable signal its inside enable in this network equipment; If when network equipment and this main device produce data link, by this main device via a predetermined pin position enable or this application circuit of forbidden energy.
Description
Technical field
The invention provides a kind of network equipment, especially a kind of method of enable or forbidden energy of network equipment.
Background technology
In modern consumer, under the prerequisite of environmental protection, the requirement of power saving increases day by day.Relative to main device, early stage system all can retain the function of a pin position as chip enable (Chip Enable/Power Down), allows chip under the state of forbidden energy (Disable/Power Down), only leave chip enable circuit and reach power saving.But must first make this pin position be the state making chip enable when main device (host) is started shooting or when chip starts there is bias voltage, this chip could be used or carry out chip setting, usually cause the puzzlement that main device is started shooting in setting, therefore, how default can be allowed again to have degree of freedom in the burden not increasing main device operation system and to reach the energy-conservation object of chip, namely to become the problem that present value must be studied.
Afterwards, due to so-called " plug " (Plug and Play) chip that coordinated industry to further develop of the module hardware of main device software (or operating system OS) and system, namely a kind of can the chip of plug and play.And in application, plug chip does not have enable (Chip Enable/Power Down) pin position, therefore, if plug chip is for entering battery saving mode, need be given an order by the mode of software by main device and controlling.But the battery saving mode of the control chip that gives an order by the mode of software, it is economized electrical efficiency and compares the chip with enable pin position, still is apparent not enough.
Summary of the invention
An object of the present invention is, under not increasing the burden of main device operation system start setting, provides a kind of device or method, can reduce power consumption needed for plug-in module.
An object of the present invention is, while power consumption needed for reduction plug-in module, can provide the degree of freedom of the enable signal of plug-in module.
The present invention discloses a kind of network equipment, be arranged in a computer system, this computer system operation is in start period or a working hour, and this network equipment comprises: a communication interface; One enable circuits, is coupled to this communication interface, in order to produce an inner enable signal; One application circuit, is coupled to this enable circuits, in order to carry out the running of circuit according to this inner enable signal; Wherein, in this start period, this enable circuits produces this inner enable signal in advance with this application circuit enable; And in this working hour, the outside enable indication that this enable circuits is inputted by this communication interface produces this inner enable signal, to determine whether forbidden energy or this application circuit enable.
The present invention also discloses the method being applied to network equipment, and it comprises following steps: produce an inner enable signal; If this network equipment is in this start period, then according to the inside enable signal produced in advance, the running of an enable application circuit; And if network equipment is in this working hour, then passes through inputted an outside enable indication and produce this inner enable signal, to determine whether forbidden energy or this application circuit enable.
For making your juror have further understanding and approval for structure object of the present invention and effect, icon example is hereby coordinated to be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of computer system 10 of the present invention;
Fig. 2 is an embodiment schematic diagram of enable circuits 102 of the present invention; And
Fig. 3 is the method flow diagram for network equipment of the present invention.
Primary clustering symbol description
The main device of 10 computer system 10a
10b network equipment 101 communication interface
102 enable circuits 103 application circuits
201 first multiplexer 202 Polarity Control unit
203 second multiplexer s301 ~ s303 steps
R1 first buffer R2 second buffer
The outside enable indication of R3 the 3rd buffer OCE
ICE inner enable signal CS control signal
CE1 first enable signal CE2 second enable signal
S1 enable selection signal S2 polarity control signal
S3 pin selects signal
Embodiment
The block diagram of Fig. 1 is disclose the computer system 10 according to one embodiment of the invention.Computer system 10 operates in a start period or a working hour, and it comprises a main device 10a and the network equipment 10b coupling main device 10a.The network equipment 10b be arranged in computer system 10 also comprises: communication interface 101, enable circuits 102, be coupled to this communication interface 101, in order to produce an inner enable signal ICE, an application circuit 103, be coupled to this enable circuits 102, be used for carrying out according to this inside enable signal ICE the running of circuit.Wherein, in this start period, this enable circuits 102 produces inner enable signal ICE in advance with this application circuit 103 enable and in this working hour, this enable circuits 102 produces this inner enable signal ICE by the outside enable indication OCE that this communication interface 101 inputs, to determine whether forbidden energy or this application circuit 103 enable.According to the application circuit 103 of an embodiment, can be physical layer circuit (PHY) or medium access circuit (MAC).
Be an Ethernet module for network equipment 10b, data link (data connection) is made a general reference network equipment 10b and this master (host) device 10a and is completed after friendship holds (hand shaking), can formally transmit and receive data.For network equipment 10b for Industry Standard Architecture (ISA) module, when linear back coupling bit shift register (LFSR) (not shown) of communication interface 101 in this Industry Standard Architecture (ISA) module exports as enable (enable active), now network equipment 10b and master (host) device 10a starts data link (data connection).Communication interface 101 also comprises a code translator (not shown), the address signal that decodable code is provided by main device 10a and control signal.
Network equipment 10b also can be universal serial (USB) device, and aforesaid Ethernet module or Industry Standard Architecture (ISA) are for using cold plug, and universal serial (USB) is hot plug; The data link of universal serial is defined as network equipment 10b and couples with this master (host) device 10a phase and lead (host) device 10a via this communication interface 101 and start to power to after network equipment 10b, when main (host) device 10a and network equipment 10b can formally transmit and receive data.Above-mentioned predetermined pin position can be selected by general object import and export (GPIO) the pin position in communication interface 101.
On the market, position, pin position and the polarity of the enable pin position of network equipment 10b may not be certain to unify, therefore usually cause the puzzlement in main (host) device 10a setting.Therefore, one embodiment of the invention notify the information of predetermined pin position (pin) described in this main device 10a about enable circuits 102 via this communication interface 101 and the enable polarity that enable circuits 102 sets inner enable signal ICE according to the instruction of this main device 10a is that low-voltage is enable or high voltage is enable or predetermined pulse is enable further.
The enable advantage of predetermined pulse is, network equipment 10b and main device 10a often has some predetermined pulse signals to be retain (reserved) in this communication interface 101 when doing data link (data connection), under the consideration of saving network equipment 10b pin position, main device 10a can transmit a stick signal from this communication interface 101 and can be learnt enable or forbidden energy by the pin position in this communication interface 101 to this network equipment 10b, this network equipment 10b and do not need the extra enable pin position of setting one.
Fig. 2 discloses the embodiment about enable circuits of the present invention, and it comprises one first multiplexer 201, in order to foundation one enable selection signal S
1optionally export one first enable signal CE
1or one second enable signal CE
2using as this inside enable signal ICE, wherein, the first enable signal CE
1independent of this outside enable indication OCE, and the second enable signal CE
2be relevant to this outside enable indication OCE; One Polarity Control unit 202, in order to foundation one polarity control signal S
2to determine the polarity of inner enable signal ICE; And one second multiplexer 203, be coupled to the multiple pins in communication interface 101, in order to select signal S according to a pin
3a pin is determined, to export outside enable indication OCE to polarity control module 202 from these pins.
Enable circuits 102 also comprises one first buffer R
1, in order to store one first temporary value to control this enable selection signal S
1, wherein, in the start period, this first temporary value controls enable selection signal S
1make this first enable signal CE
1as this inside enable signal ICE; And in working hour, this first temporary value controls enable selection signal S
1make this second enable signal CE
2as this inside enable signal ICE.
Enable circuits 102 evil comprises one second buffer R
2, in order to store one second temporary value to control this polarity control signal S
2and one the 3rd buffer R
3, select signal S in order to store one the 3rd temporary value to control this pin
3.
Fig. 3 is that it comprises following steps about a kind of method being applied to network equipment:
S301: produce an inner enable signal ICE;
S302: if this network equipment 10b is in this start period, then according to the inside enable signal ICE produced in advance, the running of an enable application circuit 103;
S303: otherwise, if network equipment 10b is in this working hour, then passes through inputted an outside enable indication OCE and produce this inner enable signal ICE, to determine whether forbidden energy or this application circuit 103 enable.Preferably, according to an enable selection signal S
3optionally export one first enable signal CE
1or one second enable signal CE
2using as this inside enable signal ICE, wherein, this first enable signal CE
1independent of this outside enable indication OCE, and this second enable signal CE
2be relevant to this outside enable indication OCE, and store one first temporary value to control this enable selection signal S
1, wherein, in this start period, this first temporary value controls this enable selection signal S
1make this first enable signal CE
1as this inside enable signal ICE
1; And in this working hour, this first temporary value controls this enable selection signal S
1make this second enable signal CE
2as this inside enable signal ICE, and wherein according to a polarity control signal S
2to determine the polarity of this inner enable signal ICE.
By the above embodiments, can be well understood to, when network equipment 10b is in time starting shooting, enable circuits 102 is by reference the first buffer R
1default value, to produce inner enable signal ICE in advance to application circuit 103, network equipment 10b can be made to wait for, and outside enable indication OCE can be activated.When start completes, as network equipment 10b again according to outside enable indication OCE by an enable pin position to carry out the control of power saving.
In addition, for preventing enable pin position and main device 10a from encountering difficulties in the coiling of circuit board, in the present embodiment, the decision of enable pin position can by the 3rd buffer R
3control, thus, the degree of freedom in the application of pin position can be increased.
Moreover for the polarity of signal, the present invention is also by the second buffer R
2control, when preventing network equipment 10b and main device 10a from clashing in the polarity of signal, and cause the generation of misoperation.
The above, be only exemplary embodiment of the present invention, not should with the scope implemented of restriction the present invention.Namely the equalization change generally done according to the present patent application the scope of the claims with modify, all should still belong in scope that patent of the present invention contains, sincerely please your juror's explicit example for reference, and pray Hui Zhun, be to praying.
Claims (12)
1. a network equipment, is arranged in a computer system, and described computer system operation is in start period or a working hour, and described network equipment comprises:
One communication interface;
One enable circuits, is coupled to described communication interface, in order to produce an inner enable signal;
One application circuit, is coupled to described enable circuits, in order to carry out the running of circuit according to described inner enable signal;
Wherein, in the described start period, described enable circuits produces described inner enable signal in advance with enable described application circuit; And in described working hour, the outside enable indication that described enable circuits is inputted by described communication interface produces described inner enable signal, to determine whether forbidden energy or enable described application circuit;
Wherein, described enable circuits comprises:
One second multiplexer, is coupled to the multiple pins in described communication interface, in order to select signal to determine a pin from these pins, to export described outside enable indication according to a pin.
2. network equipment according to claim 1, wherein, described enable circuits comprises:
One first multiplexer, in order to according to output one first enable signal of an enable selection signal-selectivity or one second enable signal using as this inside enable signal;
Wherein, described first enable signal is independent of described outside enable indication, and described second enable signal is relevant to described outside enable indication.
3. network equipment according to claim 2, wherein, described enable circuits comprises:
One first buffer, in order to store one first temporary value to control described enable selection signal;
Wherein, in the described start period, the described first temporary value controls described enable selection signal makes described first enable signal as described inner enable signal; And in described working hour, the described first temporary value controls described enable selection signal makes described second enable signal as described inner enable signal.
4. network equipment according to claim 1, wherein, described enable circuits comprises:
One Polarity Control unit, in order to foundation one polarity control signal to determine the polarity of described inner enable signal.
5. network equipment according to claim 4, wherein, described enable circuits comprises:
One second buffer, in order to store one second temporary value to control described polarity control signal.
6. network equipment according to claim 1, wherein, described enable circuits comprises:
One the 3rd buffer, selects signal in order to store one the 3rd temporary value to control described pin.
7. be applied to a method for network equipment, it comprises:
Produce an inner enable signal;
If described network equipment is in the start period, then according to the inside enable signal produced in advance, the running of an enable application circuit; And
If described network equipment is in working hour, then passes through inputted an outside enable indication and produce described inner enable signal, to determine whether forbidden energy or enable described application circuit;
Wherein, described in be applied to the method for network equipment, also comprise:
Signal is selected to determine a pin from these pins, to export described outside enable indication according to a pin.
8. method according to claim 7, also comprises:
According to output one first enable signal of an enable selection signal-selectivity or one second enable signal using as described inner enable signal, wherein, described first enable signal is independent of described outside enable indication, and described second enable signal is relevant to described outside enable indication.
9. method according to claim 8, also comprises:
Store one first temporary value to control described enable selection signal, wherein, in the described start period, the described first temporary value controls described enable selection signal makes described first enable signal as described inner enable signal; And in described working hour, this first temporary value controls described enable selection signal makes described second enable signal as described inner enable signal.
10. method according to claim 7, also comprises:
According to a polarity control signal to determine the polarity of described inner enable signal.
11. methods according to claim 10, also comprise:
Store one second temporary value to control described polarity control signal.
12. methods according to claim 7, also comprise:
Store one the 3rd temporary value and select signal to control described pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110217280.8A CN102902343B (en) | 2011-07-29 | 2011-07-29 | Network equipment and its enabled method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110217280.8A CN102902343B (en) | 2011-07-29 | 2011-07-29 | Network equipment and its enabled method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102902343A CN102902343A (en) | 2013-01-30 |
| CN102902343B true CN102902343B (en) | 2015-10-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110217280.8A Active CN102902343B (en) | 2011-07-29 | 2011-07-29 | Network equipment and its enabled method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102902343B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6212645B1 (en) * | 1998-10-09 | 2001-04-03 | Mediaq Inc. | Programmable and flexible power management unit |
| CN101689101A (en) * | 2007-05-03 | 2010-03-31 | 马维尔国际贸易有限公司 | Device with ic, soc or sip having one or more remotely enabled module and methods for selling the device |
| CN102057344A (en) * | 2008-06-12 | 2011-05-11 | 先进微装置公司 | Sleep processor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080244108A1 (en) * | 2007-03-29 | 2008-10-02 | Abramson Darren L | Per-port universal serial bus disable |
-
2011
- 2011-07-29 CN CN201110217280.8A patent/CN102902343B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6212645B1 (en) * | 1998-10-09 | 2001-04-03 | Mediaq Inc. | Programmable and flexible power management unit |
| CN101689101A (en) * | 2007-05-03 | 2010-03-31 | 马维尔国际贸易有限公司 | Device with ic, soc or sip having one or more remotely enabled module and methods for selling the device |
| CN102057344A (en) * | 2008-06-12 | 2011-05-11 | 先进微装置公司 | Sleep processor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102902343A (en) | 2013-01-30 |
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