CN105068952A - SD interface multiplexing apparatus and method and electronic device - Google Patents
SD interface multiplexing apparatus and method and electronic device Download PDFInfo
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- CN105068952A CN105068952A CN201510481222.4A CN201510481222A CN105068952A CN 105068952 A CN105068952 A CN 105068952A CN 201510481222 A CN201510481222 A CN 201510481222A CN 105068952 A CN105068952 A CN 105068952A
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- signal
- interface
- switch
- card connector
- secondary signal
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0024—Peripheral component interconnect [PCI]
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3814—Wireless link with a computer system port
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/38—Universal adapter
- G06F2213/3852—Converter between protocols
Abstract
The invention discloses an SD interface multiplexing apparatus and method and an electronic device. The SD interface multiplexing apparatus comprises a switch controller, an SD card connector connected with the device, a first signal switch, a second signal switch and a control unit used for generating a control signal, wherein the switch controller is used for detecting the type of the device connected with the SD card connector; when the device is an SD card, the first signal switch is turned on and the second signal switch is turned off, so that a first signal from the control unit is communicated to the SD card connector through the first signal switch; and when the device is a wireless device, the second signal switch is turned on and the first signal switch is turned off, so that a second signal from the control unit is communicated to the SD card connector through the second signal switch. According to the technology, an interface of the SD connector on the electronic device can be multiplexed for external wireless connection, so that a wireless function is added without additionally occupying the space of a board card and the utilization rate of the SD interface is increased.
Description
Technical field
The present invention relates to computer technology, espespecially a kind of SD interface duplex device, method and electronic equipment.
Background technology
Now along with the development of consumer electronics technology, the volume more and more miniaturization of electronic equipment, the integrated level of interface is more and more higher, and board size is more and more less, and this just needs the space on Appropriate application board.Under usual condition, SD interface on electronic equipment is only used for installing safety digital storage card (SecureDigitalMemoryCard, hereinafter referred to as SD card), but for some user, equipment is seldom used the storage space that SD interface (as notebook computer) or equipment carries and is enough used, without the need to external SD storage card (as part panel computer), the idle waste of SD interface will be caused like this.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of SD interface duplex device, method and electronic equipment, the utilization factor of SD interface can be improved, by SD Interface realization wireless connecting function.
In order to reach the object of the invention, the invention provides a kind of SD interface duplex device, comprising on-off controller, SD card connector, the first signaling switch, secondary signal switch and the control module for generation of control signal for connection device; Wherein, on-off controller, for detecting the type of the equipment connected in SD card connector, when type is SD card, connect the first signaling switch and disconnect secondary signal switch, being communicated to SD card connector to make the first signal from control module by the first signaling switch; When type is wireless device, connects secondary signal switch and disconnect the first signaling switch, being communicated to SD card connector to make the secondary signal from control module by secondary signal switch.
Further, the first signal is SD signal.
Further, secondary signal is general-purpose serial bus USB signal or bus and interface standard PCIE signal.
Present invention also offers a kind of SD method for multiplexing interface, comprising: the type detecting the equipment that SD interface connects, when type is SD card, by the first signaling switch by the first Signal transmissions to SD card connector; When type is wireless device, by secondary signal switch, secondary signal is transferred to SD card connector.
Further, the first signal is SD signal.
Further, secondary signal is usb signal or PCIE signal.
Present invention also offers a kind of electronic equipment, comprise SD interface duplex device as above, also comprise SD card connector adaptation, the dismountable wireless device with described SD interface duplex device.
Further, wireless device is wireless transmitting-receiving equipments.
Further, electronic equipment is one of following equipment: notebook computer, panel computer, smart mobile phone and server.
Compared with prior art, SD interface duplex device of the present invention comprises on-off controller, SD card connector, the first signaling switch, secondary signal switch and the control module for generation of control signal for connection device; Wherein, on-off controller, for detecting the type of the equipment connected in SD card connector, when type is SD card, connect the first signaling switch and disconnect secondary signal switch, being communicated to SD card connector to make the first signal from control module by the first signaling switch; When type is wireless device, connects secondary signal switch and disconnect the first signaling switch, being communicated to SD card connector to make the secondary signal from control module by secondary signal switch.This SD interface duplex device can SD connector on multiplexing electronic equipment interface and for external wireless connections, thus add radio function when additionally not taking board space, improve the utilization factor of SD interface.
In addition, SD method for multiplexing interface of the present invention comprises: the type detecting the equipment that SD interface connects, when type is SD card, by the first signaling switch by the first Signal transmissions to SD card connector; When type is wireless device, by secondary signal switch, secondary signal is transferred to SD card connector.This SD method for multiplexing interface can SD connector on multiplexing electronic equipment interface and for external wireless connections, thus add radio function when additionally not taking board space, improve the utilization factor of SD interface.
In addition, electronic equipment of the present invention comprises SD interface duplex device as above, also comprises SD card connector adaptation, the dismountable wireless device with SD interface duplex device.For external wireless connections, the utilization factor of SD interface can be improved when additionally not taking this electronic equipment board space by the interface of the SD connector on multiplexing electronic equipment.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in instructions, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing is used to provide the further understanding to technical solution of the present invention, and forms a part for instructions, is used from and explains technical scheme of the present invention, do not form the restriction to technical solution of the present invention with the embodiment one of the application.
Fig. 1 is the composition structural representation of SD interface duplex device of the present invention;
Fig. 2 A is the equivalent schematic diagram of Fig. 1 when connection SD card being detected;
Fig. 2 B is the equivalent schematic diagram of Fig. 1 when connection wireless device being detected;
Fig. 3 is the process flow diagram of a process example of SD method for multiplexing interface of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Can perform in the computer system of such as one group of computer executable instructions in the step shown in the process flow diagram of accompanying drawing.Further, although show logical order in flow charts, in some cases, can be different from the step shown or described by order execution herein.
The embodiment provides a kind of SD interface duplex device.As shown in Figure 1, this SD interface duplex device comprises on-off controller 101, SD card connector 102, first signaling switch 103, secondary signal switch 104 and the control module 105 for generation of control signal for connection device.
As shown in Figure 1, on-off controller 101 connects SD card connector 102, to detect the type of the equipment connected in SD card connector 102.Control module 105 has two signal output parts, that is, the first signal output part and secondary signal output terminal.Wherein, the first signal output part of control module 105 is connected to SD card connector 102 via the first signaling switch 103, and secondary signal output terminal is connected to SD card connector 102 via secondary signal switch.In addition, on-off controller 101 is also connected with secondary signal switch 104 respectively with the first signaling switch 103, with according to type selecting first signaling switch 103 of the equipment connected in SD card connector 102 and the respective duty of secondary signal switch 104, be namely switched on or switched off.
In one implementation, on-off controller 101 can according to the information in place of the equipment connected in SD card connector 102 come district office connect equipment be SD card or wireless device, such as, the information in place of SD card is set to high level effective, and the information in place of wireless device is set to Low level effective.
When the type of the equipment that on-off controller 101 detects is SD card, connect the first signaling switch 103 and disconnect secondary signal switch 104, SD card connector 102 is communicated to by the first signaling switch 103 to make the first signal from control module 105, now, SD card is available, and Fig. 1 can be equivalent to Fig. 2 A.
When the type of the equipment that on-off controller 101 detects is wireless device, connect secondary signal switch 104 and disconnect the first signaling switch 103, SD card connector 102 is communicated to by secondary signal switch 104 to make the secondary signal from control module 105, now, wireless device can be used, and Fig. 1 can be equivalent to Fig. 2 B.
It should be noted that, the draw-in groove (hereinafter referred to as SD draw-in groove) in SD card connector 102 is adaptive with general SD card size, in order to enable wireless device be applicable to the present invention, needs wireless device to be made the size with SD draw-in groove adaptation in advance.Wireless device can be such as wireless transmitting-receiving equipments, or also can be suitable for making other wireless devices with SD draw-in groove fit size, will not enumerate here.
SD interface duplex device of the present invention can be applied in the electronic equipments such as such as notebook computer, panel computer, smart mobile phone or server, its can SD connector on multiplexing electronic equipment interface and for external wireless connections, thus add radio function when additionally not taking board space, improve the utilization factor of SD interface.
Further, the first signal is SD signal.Like this, when on-off controller 101 detect in SD card connector 102 be connected with SD card time, SD signal can be communicated to the SD card in SD card connector 102 via the first signaling switch 103, read and/or write operation etc. to perform SD card.
Further, secondary signal can be USB (universal serial bus) (USB, UniversalSerialBus) signal, or also can be bus and interface standard (PCIE, PeripheralComponentInterfaceExpress) signal.Wherein, the concrete signal type of secondary signal can be determined according to wireless device.For a person skilled in the art, determine that the technology of the type of the signal being connected to wireless device according to acquisitions such as existing open materials, can repeat no more here according to the interface type of wireless device.Like this, when on-off controller 101 detect be connected with wireless device in SD card connector 102 time, the usb signal corresponding with the interface type of this wireless device or PCIE signal can be communicated to the wireless device in SD card connector 102 via secondary signal switch 104, can use to make wireless device.
In addition, present invention also offers a kind of SD method for multiplexing interface, this SD method for multiplexing interface comprises: the type detecting the equipment that SD interface connects: when type is SD card, by the first signaling switch by the first Signal transmissions to SD card connector; When type is wireless device, by secondary signal switch, secondary signal is transferred to SD card connector.Wherein, SD method for multiplexing interface of the present invention can realize the technique effect that above-mentioned SD interface duplex device has, and repeats no more here.
An example process flow of above-mentioned SD method for multiplexing interface is described below in conjunction with Fig. 3.
As shown in Figure 3, start to perform step 301, detect the type of the equipment that SD interface connects: when type is SD card, perform step 302; When type is wireless device, perform step 303.
In step 302, by the first signaling switch, the first signal (such as SD signal) is transferred to SD card connector, then ends process.
In step 303, by secondary signal switch, secondary signal (such as usb signal or PCIE signal) is transferred to SD card connector, then ends process.
In addition, present invention also offers a kind of electronic equipment, this electronic equipment comprises SD interface duplex device as above, also comprises SD card connector adaptation, the dismountable wireless device with SD interface duplex device.Thus, for external wireless connections, the utilization factor of SD interface can be improved by the interface of the SD connector on multiplexing electronic equipment when additionally not taking this electronic equipment board space.
Wherein, wireless device can be wireless transmitting-receiving equipments, as wireless transceiver that can be adaptive with input equipment or the external wireless network etc. such as external wireless keyboard or mouse.Electronic equipment can be notebook computer, panel computer, smart mobile phone or server etc.
Preferred embodiment
In this embodiment, make one and the duplicate wireless device of SD storage card profile in advance according to the volume size of SD storage card, this wireless device is used for being connected with external wireless network.Like this, this wireless device can be placed in the draw-in groove of SD card connector 102 and be connected with SD card connector 102.
On-off controller 101 adopts programmable logic device (PLD) to realize, and control module 105 adopts central processing unit (CPU, CentralProcessingUnit) or micro-control unit (MCU, MicroControllerUnit) to realize.SD signal output part (example as the first signal output part) and the PCIE signal output terminal (example as secondary signal output terminal) of control module 105 are connected to SD card connector 102 respectively by the first signaling switch 103 and secondary signal switch 104.
When above-mentioned wireless device is loaded the draw-in groove of SD card connector 102 by user, on-off controller 101 can detect that the type of the equipment connected in SD card connector 102 is wireless device, now, connection secondary signal switch 104 is disconnected the first signaling switch 103.Like this, the PCIE signal output terminal of control module 105 is communicated with SD card connector 102 via secondary signal switch 104, is equivalent to the operating circuit in Fig. 2 B, and wireless device can with being also connected with external wireless network according to user operation.
Although the embodiment disclosed by the present invention is as above, the embodiment that described content only adopts for ease of understanding the present invention, and be not used to limit the present invention.Those of skill in the art belonging to any the present invention; under the prerequisite not departing from the spirit and scope disclosed by the present invention; any amendment and change can be carried out in the form implemented and details; but scope of patent protection of the present invention, the scope that still must define with appending claims is as the criterion.
Claims (9)
1. a safety digital storage card SD interface duplex device, is characterized in that, comprises on-off controller, SD card connector, the first signaling switch, secondary signal switch and the control module for generation of control signal for connection device; Wherein,
On-off controller, for detecting the type of the equipment connected in SD card connector, when type is SD card, connects the first signaling switch and disconnect secondary signal switch, being communicated to SD card connector to make the first signal from control module by the first signaling switch; When type is wireless device, connects secondary signal switch and disconnect the first signaling switch, being communicated to SD card connector to make the secondary signal from control module by secondary signal switch.
2. SD interface duplex device according to claim 1, is characterized in that, described first signal is SD signal.
3. SD interface duplex device according to claim 1, is characterized in that, described secondary signal is general-purpose serial bus USB signal or bus and interface standard PCIE signal.
4. a SD method for multiplexing interface, is characterized in that, comprising:
Detect the type of the equipment that SD interface connects, when type is SD card, by the first signaling switch by the first Signal transmissions to SD card connector;
When type is wireless device, by secondary signal switch, secondary signal is transferred to SD card connector.
5. SD method for multiplexing interface according to claim 4, is characterized in that, described first signal is SD signal.
6. SD method for multiplexing interface according to claim 4, is characterized in that, described secondary signal is usb signal or PCIE signal.
7. an electronic equipment, is characterized in that, comprises the SD interface duplex device according to any one of claim 1-3, also comprises SD card connector adaptation, the dismountable wireless device with described SD interface duplex device.
8. electronic equipment according to claim 7, is characterized in that, described wireless device is wireless transmitting-receiving equipments.
9. the electronic equipment according to claim 7 or 8, is characterized in that, described electronic equipment is one of following equipment:
Notebook computer, panel computer, smart mobile phone and server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510481222.4A CN105068952A (en) | 2015-08-03 | 2015-08-03 | SD interface multiplexing apparatus and method and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510481222.4A CN105068952A (en) | 2015-08-03 | 2015-08-03 | SD interface multiplexing apparatus and method and electronic device |
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| CN105068952A true CN105068952A (en) | 2015-11-18 |
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| CN201510481222.4A Pending CN105068952A (en) | 2015-08-03 | 2015-08-03 | SD interface multiplexing apparatus and method and electronic device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108664423A (en) * | 2017-03-27 | 2018-10-16 | 瑞昱半导体股份有限公司 | Electronic device and storage card access method |
| CN110489366A (en) * | 2019-07-12 | 2019-11-22 | 苏州浪潮智能科技有限公司 | A kind of server master board connector signal multiplex system |
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| CN101566980A (en) * | 2008-04-23 | 2009-10-28 | 凤凰微电子（中国）有限公司 | Method for multiplexing interface of SD card and SD card with expanded function |
| CN201945991U (en) * | 2011-01-28 | 2011-08-24 | 联想(北京)有限公司 | Electronic device and interface detection device |
| CN102664975A (en) * | 2012-04-25 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Micro SD card with Wi-Fi (Wireless Fidelity) function and mobile phone with Wi-Fi function |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7269669B2 (en) * | 2004-07-07 | 2007-09-11 | Sychip Inc | Sharing single host controller with multiple functional devices |
| CN101566980A (en) * | 2008-04-23 | 2009-10-28 | 凤凰微电子（中国）有限公司 | Method for multiplexing interface of SD card and SD card with expanded function |
| CN201945991U (en) * | 2011-01-28 | 2011-08-24 | 联想(北京)有限公司 | Electronic device and interface detection device |
| CN102664975A (en) * | 2012-04-25 | 2012-09-12 | 惠州Tcl移动通信有限公司 | Micro SD card with Wi-Fi (Wireless Fidelity) function and mobile phone with Wi-Fi function |
Cited By (3)
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| CN108664423A (en) * | 2017-03-27 | 2018-10-16 | 瑞昱半导体股份有限公司 | Electronic device and storage card access method |
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| CN110489366A (en) * | 2019-07-12 | 2019-11-22 | 苏州浪潮智能科技有限公司 | A kind of server master board connector signal multiplex system |
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Application publication date: 20151118 |