CN104375964A - Electronic equipment and data interaction method - Google Patents
Electronic equipment and data interaction method Download PDFInfo
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- CN104375964A CN104375964A CN201310349819.4A CN201310349819A CN104375964A CN 104375964 A CN104375964 A CN 104375964A CN 201310349819 A CN201310349819 A CN 201310349819A CN 104375964 A CN104375964 A CN 104375964A
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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
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
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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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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Abstract
The invention discloses electronic equipment and a data interaction method. The electronic equipment comprises a PCH (platform controller hub) unit, an SI/O (super input/output) unit and an I/O extension unit, wherein the SI/O unit is connected with the PCH unit and the I/O extension unit, and the I/O extension unit is provided with at least one I/O interface. When first external equipment is connected with the electronic equipment, the electronic equipment can be communicated with the electronic equipment through a first I/O interface of the I/O interfaces, so that the PCH unit can be in data interaction with the first external equipment through the SI/O unit and the I/O extension unit.
Description
Technical field
The present invention relates to electronic technology field, particularly relate to a kind of electronic equipment and data interactive method.
Background technology
Relational language illustrates:
PCH: platform control unit, English full name: Platform Controller Hub, it is a integrated South Bridge chip that intel company releases, be responsible for the communication between I/O bus, as: pci bus, USB, LAN, ATA, SATA, Audio Controller, keyboard controller, real-time clock controller, Advanced Program Zoom etc.
LPC interface: a kind of new interface specification being the replacement conventional I SA BUS that Intel announced in 1997, and in the mode of authorizing that opens for free, adopt for industry.
ESPI interface: strengthen serial peripheral interface, English full name: Enhanced Serial Peripheral Interface, principal feature is that communication speed is fast.There is poor anti jamming capability due to lpc bus and the defect such as parallel transmission speed is slow, be eliminated gradually, the substitute is the ESPI bus that Intel newly releases.
SI/O chip: with Super I/O chip, super I/O chip.It provides control treatment function for the standard I/O interface on mainboard." super " mentioned here refers to that it is integrated with the processing capacities such as PS/2 keyboard, PS/2 mouse, serial ports COM, parallel port LPT interface, and these interfaces are all the equipment of I/O at a slow speed in computing machine.Its major function comprises the serial data be responsible for process and come from device transmission such as keyboard, mouse, serial line interfaces, they is converted into parallel data, is also responsible for parallel interface, the transmission of floppy drive interface data and process simultaneously.
Along with the development of technology, computing machine has become people's indispensable instrument when learning and work.
When people use computing machine, often other external equipments can be connected on computers, as: mouse, keyboard, printer, projector, USB flash disk, game paddle etc.Now, just need computing machine to do further expansion to I/O interface, can be connected with computing machine use to realize more external equipment.
As shown in Figure 1, in prior art when expanding the I/O interface of computing machine, generally PCH chip 101 is connected with SI/O chip 102 while, PCH chip 101 is connected with I/O expensive chip 103 again, external equipment directly carries out data interaction by described I/O expensive chip 103 with described PCH chip 101, realizes the expansion of I/O interface.Wherein, I/O expensive chip 103 and SI/O chip 102 to be set up with PCH chip by lpc bus or ESPI bus and are communicated.
But present inventor is in the process realizing invention technical scheme in the embodiment of the present application, find that above-mentioned technology at least exists following technical matters:
In the prior art, when carrying out I/O interface and expanding, owing to being connect I/O expensive chip 103 on PCH chip 101, carry out the expansion of I/O interface, so there is the technical matters taking the pin of PCH chip 101.Especially be connected with PCH unit based on ESPI bus in I/O expensive chip 103, when carrying out I/O expansion, because the bus number of ESPI bus is more, so the pin of a large amount of PCH unit 101 can be taken, cause the idle pin lazy weight of PCH chip 101, and then limit the expansion of other functions based on described PCH chip 101.
Summary of the invention
The embodiment of the present application, by providing a kind of electronic equipment and data interactive method, solves in prior art when expanding I/O interface, there is the technical matters taking a large amount of PCH chip pin.
On the one hand, the application provides following technical scheme by an embodiment of the application:
A kind of electronic equipment, comprising:
PCH unit;
SI/O unit, is connected with described PCH unit;
I/O expands unit, is connected with described SI/O unit, and wherein, described I/O expands on unit has at least one I/O interface;
Wherein, when there being the first external equipment to be connected with described electronic equipment, described electronic equipment can be set up with described electronic equipment by the I/O interface at least one I/O interface described and communicate, and carries out data interaction to enable described PCH unit by described SI/O unit and described I/O expansion unit and described first external equipment.
Preferably, described electronic equipment also comprises:
First channel, between described PCH unit and described SI/O unit, for realizing the communication between described PCH unit and described SI/O unit;
Wherein, described first channel is specially: based on the channel of lpc bus agreement, or based on the channel of ESPI bus protocol.
Preferably, described electronic equipment also comprises:
Second channel, expands between unit at described SI/O unit and described I/O, expands communication between unit for realizing described SI/O unit and described I/O;
Wherein, described second channel is specially: a four wire channel be made up of 4 signal line, and described SI/O unit has a controller, for controlling described four wire channel, expands communication between unit to realize described SI/O unit and described I/O.
Preferably, described four wire channel specifically comprises:
First subchannel A1, for carrying serial data output signal;
Second subchannel A2, for carrying input serial data signal;
3rd subchannel A3, for carrying serial data clock signal;
4th subchannel A4, for carrying serial data look-at-me.
Preferably, described four wire channel specifically comprises:
First subchannel B1, for carrying serial date transfer/output signal;
Second subchannel B2, for carrying serial data enable signal;
3rd subchannel B3, for carrying serial data clock signal;
4th subchannel B4, for carrying serial data look-at-me.
Preferably, described I/O expansion unit specifically comprises:
Acquiring unit, for when there being described first external equipment to be connected with described electronic equipment, obtains an I/O interface type of a described I/O interface;
I/O expands module, for based on a described I/O interface type, configures a described I/O interface with a described I/O interface type.
Preferably, described I/O expansion module specifically comprises:
Com interface expands submodule, for when a described I/O interface type is com interface, expands com interface, obtains COM_1 interface; And to arrange described COM_1 interface be a described I/O interface;
PS/2 interface expands submodule, for when a described I/O interface type is PS/2 interface, expands PS/2 interface, obtains PS/2_1 interface; And to arrange described PS/2_1 interface be a described I/O interface;
LPT interface expands submodule, for when a described I/O interface type is LPT interface, expands LPT interface, obtains LPT_1 interface; And to arrange described LPT_1 interface be a described I/O interface;
USB interface expands submodule, for when a described I/O interface type is USB interface, expands USB interface, obtains USB_1 interface; And to arrange described USB_1 interface be a described I/O interface.
Preferably, described I/O expansion unit also comprises:
Circumscription socket, for the first external equipment described in physical connection.
Preferably, described circumscription socket is specifically as follows:
USB3.0 socket, wherein, 4 hypervelocity data-interfaces in described USB3.0 socket match one by one with the signal wire of 4 in described four wire channel and are connected.
On the other hand, the application, by an embodiment of the application, provides following technical scheme:
A kind of data interactive method, be applied in electronic equipment, described electronic equipment comprises: PCH unit; SI/O unit, is connected with described PCH unit; I/O expands unit, is connected with described SI/O unit, and wherein, described I/O expands on unit has at least one I/O interface; Described method comprises:
When there being the first external equipment to be connected with described electronic equipment, expand unit by described I/O, arrange communication interface that described electronic equipment and described first external equipment carry out data interaction be described in an I/O interface at least one I/O interface;
By described PCH unit, access described SI/O unit and described I/O expansion unit, and carry out described data interaction based on a described I/O interface and described first external equipment.
Preferably, described PCH unit, by the first channel, communicates with described SI/O unit;
Wherein, described first channel is specially: based on the channel of lpc bus agreement, or based on the channel of ESPI bus protocol.
Preferably, described SI/O unit, by second channel, is expanded unit with described I/O and is communicated;
Wherein, described second channel is specially: a four wire channel be made up of 4 signal line, and described SI/O unit has a controller, for controlling described four wire channel, to realize the communication that described SI/O unit and described I/O expand unit.
Preferably, described four wire channel specifically comprises:
First subchannel A1, for carrying serial data output signal;
Second subchannel A2, for carrying input serial data signal;
3rd subchannel A3, for carrying serial data clock signal;
4th subchannel A4, for carrying serial data look-at-me.
Preferably, described four wire channel specifically comprises:
First subchannel B1, for carrying serial date transfer/output signal;
Second subchannel B2, for carrying serial data enable signal;
3rd subchannel B3, for carrying serial data clock signal;
4th subchannel B4, for carrying serial data look-at-me.
Preferably, state and expand unit by described I/O, arrange communication interface that described electronic equipment and described first external equipment carry out data interaction be described in an I/O interface at least one I/O interface, specifically comprise:
Expand unit by described I/O, obtain an I/O interface type of a described I/O interface;
Based on a described I/O interface type, configuration has a described I/O interface of a described I/O interface type.
Preferably, described configuration has a described I/O interface of a described I/O interface type, specifically comprises:
When a described I/O interface type is com interface, com interface is expanded, obtain COM_1 interface; And to arrange described COM_1 interface be a described I/O interface;
When a described I/O interface type is PS/2 interface, PS/2 interface is expanded, obtain PS/2_1 interface; And to arrange described COM_1 interface be a described I/O interface;
When a described I/O interface type is LPT interface, LPT interface is expanded, obtain LPT_1 interface; And to arrange described LPT_1 interface be a described I/O interface;
When a described I/O interface type is USB interface, USB interface is expanded, obtain USB_1 interface; And described USB_1 interface is set for being a described I/O interface.
Preferably, described by described PCH unit, access described SI/O unit and described I/O expansion unit, and before carrying out described data interaction based on a described I/O interface and described first external equipment, described method also comprises:
Described I/O expands unit based on a described I/O interface type, carries out first time initialization with described SI/O unit, with the use making described SI/O unit support a described I/O interface;
Described SI/O unit, based on a described I/O interface type, carries out second time initialization with described PCH unit, and identifying described SI/O cell location to make described PCH unit has a described I/O interface.
Preferably, described by described PCH unit, access described SI/O unit and described I/O expansion unit, and carry out described data interaction based on a described I/O interface and described first external equipment, specifically comprise:
Described PCH unit, based on described first channel, carries out described data interaction with described SI/O unit;
Described SI/O unit, under the control of described controller, based on described second channel, is expanded unit with described I/O and is carried out described data interaction;
Described I/O expands unit based on a described I/O interface, carries out described data interaction with described first external equipment.
The one or more technical schemes provided in the embodiment of the present application, at least have following technique effect or advantage:
1, in the application one embodiment, owing to have employed while PCH unit is connected with SI/O unit, I/O expands unit and is connected with SI/O unit, and SI/O unit realizes the expansion to I/O interface; So, to efficiently solve in prior art when expanding I/O interface, I/O expands unit and PCH unit and is directly connected and realizes I/O and expands, and existence occupies the technical matters of a large amount of PCH chip pins, achieves the technique effect of the pin of saving PCH unit.
2, in the application one embodiment, owing to expanding between unit at SI/O unit and I/O, what adopt is that four wire channel communicates, compare the two-wire channel with widespread use, the data pressure of the every bar channel on the four wire channel in the application obviously alleviates, be conducive to being optimized Data Transport Protocol, and then realize the technique effect of the transmission speed improving data.
3, in the application one embodiment, 4 signal line in described four wire channel can directly be connected with the overspeed signal line of 4 in USB3.0 interface, thus achieve the technique effect of compatible USB3.0 port, make more can be directly used in technical scheme in the embodiment of the present application with the electronic equipment of USB3.0 port.
Accompanying drawing explanation
Fig. 1 is the electronic devices structure schematic diagram expanded I/O interface in prior art;
The structural representation of electronic equipment in Fig. 2 the embodiment of the present application one;
The process flow diagram of data interactive method in Fig. 3 the embodiment of the present application one.
Embodiment
The embodiment of the present application, by providing a kind of electronic equipment and data interactive method, solves in prior art when expanding I/O interface, there is the technical matters taking the pin of a large amount of PCH chip.
As shown in Figure 1, in prior art when expanding the I/O interface of computing machine, generally PCH chip 101 is connected with SI/O chip 102 while, PCH chip 101 is connected with I/O expensive chip 103 again, external equipment directly carries out data interaction by described I/O expensive chip 103 with described PCH chip 101, realizes the expansion of I/O interface.Wherein, I/O expensive chip 103 and SI/O chip 102 to be set up with PCH chip by lpc bus or ESPI bus and are communicated.
In the prior art, when carrying out I/O interface and expanding, owing to being connect I/O expensive chip 103 on PCH chip 101, carry out the expansion of I/O interface, so there is the technical matters taking the pin of PCH chip 101.Especially be connected with PCH unit based on ESPI bus in I/O expensive chip 103, when carrying out I/O expansion, because the bus number of ESPI bus is more, so the pin of a large amount of PCH unit 101 can be taken, cause the idle pin lazy weight of PCH chip 101, and then limit the expansion of other functions based on described PCH chip 101.
The technical scheme of the embodiment of the present application is for solving the problems of the technologies described above, and general thought is as follows:
A kind of electronic equipment, comprising:
PCH unit;
SI/O unit, is connected with described PCH unit;
I/O expands unit, is connected with described SI/O unit, and wherein, described I/O expands on unit has at least one I/O interface;
Wherein, when there being the first external equipment to be connected with described electronic equipment, described electronic equipment can be set up with described electronic equipment by the I/O interface at least one I/O interface described and communicate, and carries out data interaction to enable described PCH unit by described SI/O unit and described I/O expansion unit and described first external equipment.
In order to better understand technique scheme, below in conjunction with Figure of description and concrete embodiment, technique scheme is described in detail.
Embodiment one:
As shown in Figure 2, a kind of electronic equipment, comprising:
PCH unit 201;
SI/O unit 202, is connected with described PCH unit 201;
I/O expands unit 203, is connected with described SI/O unit 202, and wherein, described I/O expands on unit 203 has at least one I/O interface;
Wherein, when there being the first external equipment to be connected with described electronic equipment, described electronic equipment can be set up with described electronic equipment by the I/O interface at least one I/O interface described and communicate, and can expand unit 203 carry out data interaction with described first external equipment to make described PCH unit 201 by described SI/O unit 202 and described I/O.
In specific implementation process, described PCH unit 201 is specifically as follows a PCH chip, described SI/O unit 202 is specifically as follows a SI/O chip (super I/O chip), described I/O expands unit and is specifically as follows an I/O expensive chip.
In specific implementation process, described electronic equipment can be computing machine, and described electronic equipment is except having described PCH unit 201, SI/O unit 202, I/O expansion unit 203, and described electronic equipment also has CPU and/or internal memory; Generally that external equipment is expanded unit 203 with described I/O and is connected, expand unit 203, SI/O unit 202, PCH unit 201 respectively by described I/O, the interaction data that described external equipment sends is left on described internal memory, obtain described interaction data by CPU from be set forth in internal memory again, and handle it.
In specific implementation process, described first external equipment scanner, printer, mouse, USB flash disk, game paddle, display, portable hard drive, microphone etc., be specially which kind of equipment for described external equipment, the embodiment of the present application does not do concrete restriction.
Due to the difference of described external equipment, usual the had interface of described external equipment is also different.A described I/O interface can be:
Com interface: serial line interface, connects serial device, e.g., and old-fashioned mouse etc.;
LPT interface: parallel interface, connects LPT device, e.g., and printer, scanner etc.;
GAME/MIDI interface: connect external game paddle, music synthesizer interface;
MIC interface: microphone input interface;
USB interface: display interface device;
PS/2: the interface connecting keyboard/mouse;
USB interface: USB (universal serial bus), can connect a lot of equipment, e.g., and mouse, keyboard, USB flash disk, portable hard drive etc.;
For a described I/O interface specifically which kind of interface, the embodiment of the present application does not do concrete restriction.
Described electronic equipment also comprises:
First channel, between described PCH unit 201 and described SI/O unit 202, for realizing the communication between described PCH unit 201 and described SI/O unit 202;
Wherein, described first channel is specially: based on the channel of lpc bus agreement, or based on the channel of ESPI bus protocol.
Described electronic equipment also comprises:
Second channel, expands between unit 203 at described SI/O unit 202 and described I/O, expands communication between unit 203 for realizing described SI/O unit 202 and described I/O;
Wherein, described second channel is specially: a four wire channel be made up of 4 signal line, and described SI/O unit 202 has a controller, for controlling described four wire channel, expands communication between unit 203 to realize described SI/O unit 202 and described I/O.
Described four wire channel specifically comprises following two kinds of structures:
The first, described four wire channel specifically comprises:
First subchannel A1, for carrying serial data output signal;
Second subchannel A2, for carrying input serial data signal;
3rd subchannel A3, for carrying serial data clock signal;
4th subchannel A4, for carrying serial data look-at-me.
The second, described four wire channel specifically comprise:
First subchannel B1, for carrying serial date transfer/output signal;
Second subchannel B2, for carrying serial data enable signal;
3rd subchannel B3, for carrying serial data clock signal;
4th subchannel B4, for carrying serial data look-at-me.
In specific implementation process, it is communicate based on described four wire channel that described SI/O unit 202 and described I/O expand unit 203, to complete the data interaction that described SI/O unit 202 and described I/O expand unit 203.Be four wire channel due to what adopt herein, compared to two wires data channel, the data pressure of the every bar channel on the four wire channel in the application obviously alleviates, and is conducive to described SI/O unit 202 and described I/O in the future and expands the foundation of the communication protocol of unit 203.
Described I/O expands unit 203 and specifically comprises:
Acquiring unit, for when there being described first external equipment to be connected with described electronic equipment, obtains the I/O interface type being used for carrying out the described I/O interface communicated with described first external equipment;
I/O expands module, for based on a described I/O interface type, configures a described I/O interface with a described I/O interface type.
Described I/O expands module and specifically comprises:
A, com interface expand submodule, for when a described I/O interface type is com interface, expand com interface, obtain COM_1 interface; And to arrange described COM_1 interface be a described I/O interface;
In specific implementation process, described com interface is expanded in submodule, there is multiple com interface, but be in closed condition at these com interfaces of default conditions, com interface expand submodule receive described I/O expand the first control signal (the having the number N of com interface needing to expand in described first control signal) that unit sends time, com interface is expanded submodule from described first control signal, is got the com interface number N needing to expand, further based on the number N of described com interface, enable operation is carried out to the described com interface being in closed condition, to expand out N number of com interface.
B, PS/2 interface expands submodule, for when a described I/O interface type is PS/2 interface, expands PS/2 interface, obtains PS/2_1 interface; And to arrange described PS/2_1 interface be a described I/O interface;
In specific implementation process, described PS/2 interface is expanded in submodule, there is multiple PS/2 interface, but be in closed condition at these PS/2 interfaces of default conditions, described PS/2 interface expand submodule receive described I/O expand the second control signal (the having the number M needing the PS/2 interface expanded in described second control signal) that unit sends time, described PS/2 interface is expanded submodule from described second control signal, is got the PS/2 interface number M needing to expand, further based on the number M of described PS/2 interface, enable operation is carried out to the described PS/2 interface being in closed condition, to expand out M PS/2 interface.
C, LPT interface expands submodule, for when a described I/O interface type is LPT interface, expands LPT interface, obtains LPT_1 interface; And to arrange described LPT_1 interface be a described I/O interface;
In specific implementation process, described LPT interface is expanded in submodule, there is multiple LPT interface, but be in closed condition at these LPT interfaces of default conditions, described LPT interface expand submodule receive described I/O expand the 3rd control signal (the having the number X needing the LPT interface expanded in described 3rd control signal) that unit sends time, described LPT interface is expanded submodule from described 3rd control signal, is got the LPT interface number X needing to expand, further based on the number X of described LPT interface, enable operation is carried out to the described LPT interface being in closed condition, to expand out X LPT interface.
D, USB interface expand submodule, for when a described I/O interface type is USB interface, expand USB interface, obtain USB_1 interface; And to arrange described USB_1 interface be a described I/O interface;
In specific implementation process, described USB interface is expanded in submodule, there is multiple USB interface, but be in closed condition in these USB interface of default conditions, described USB interface expand submodule receive described I/O expand the 4th control signal (the having the number P needing the USB interface expanded in described 4th control signal) that unit sends time, described USB interface is expanded submodule from described 4th control signal, is got the USB interface number P needing to expand, further based on the number P of described USB interface, enable operation is carried out to the described USB interface being in closed condition, to expand out P USB interface.Wherein, described USB interface can be USB2.0 interface or USB3.0 interface etc.
In specific implementation process, described I/O expands module and comprises but be not limited only to four above-mentioned submodules, certainly also comprise: GAME/MIDI interface expands submodule, MIC interface expands submodule, USB interface expands submodule etc., its I/O interface expanding method is identical with the interface expanding method that described com interface expands submodule, repeats no more herein.
In specific implementation process, the situation that multiple external equipment is connected with described electronic equipment may be had, and the I/O interface type of described multiple electronic equipment may be different, now described acquisition module also for:
Obtain the number of I/O interface type and the every type interface being used for setting up the I/O interface described in communicating with described multiple electronic equipment; Again further based on the number of described I/O interface type and every type interface, described I/O interface is expanded.Such as: when have the second external equipment and the 3rd external equipment have described electronic equipment be connected (specifically: described second electronic equipment and described 3rd electronic equipment are expanded unit 203 with described I/O and be connected) time, described second external equipment needs that 2 com interfaces and described electronic equipment carry out data interaction, described 3rd external equipment needs electronic equipment described in 3 PS/2 interfaces to carry out data interaction.Now, namely described acquiring unit gets needs the I/O interface type expanded to be two kinds, that is: com interface and PS/2 interface, and wherein, the number of com interface is 2, PS/2 interface number is 3; Further, control described com interface and expand submodule, expand out 2 com interfaces, be specially: COM_2 interface, COM_3 interface; Control described PS/2 interface expansion submodule and expand out 3 PS/2 interfaces, be specially: PS/2_2 interface, PS/2_3 interface, PS/2_4 interface; To enable described second external equipment carry out data interaction by described COM_2 interface, COM_3 interface and described electronic equipment, described 3rd external equipment is enable to carry out data interaction by described PS/2_2 interface, PS/2_3 interface, PS/2_4 interface and described electronic equipment.
Described I/O expands unit 203 and also comprises:
Circumscription socket, for the first external equipment described in physical connection.
Described circumscription socket is specifically as follows:
USB3.0 socket, wherein, 4 hypervelocity data-interfaces in described USB3.0 socket match one by one with the signal wire of 4 in described four wire channel and are connected.
In specific implementation process, USB3.0 at circumscription socket, in USB3.0 socket a 4 hypervelocity data-interface is matched one by one with the signal wire of 4 in described four wire channel and is connected, the compatibility to USB3.0 socket can be realized easily, make more can be applied to easily in the electronic equipment in the embodiment of the present application with the external equipment of USB3.0 interface.
Based on same inventive concept, another embodiment of the application provides a kind of method implementing to apply in the embodiment of the present application described electronic equipment.
As shown in Figure 3, a kind of data interactive method, is applied in electronic equipment, and described electronic equipment comprises: PCH unit 201; SI/O unit 202, is connected with described PCH unit 201; I/O expands unit 203, is connected with described SI/O unit 202, and wherein, described I/O expands on unit 203 has at least one I/O interface;
Described PCH unit 201, by the first channel, communicates with described SI/O unit 202;
Wherein, described first channel is specially: based on the channel of lpc bus agreement, or based on the channel of ESPI bus protocol.
Described SI/O unit 202, by second channel, is expanded unit 203 with described I/O and is communicated;
Wherein, described second channel is specially: a four wire channel be made up of 4 signal line, and described SI/O unit 202 has a controller, for controlling described four wire channel, expands communication between unit 203 to realize described SI/O unit 202 and described I/O.
Further, described four wire channel specifically comprises following two kinds of structures:
The first, described four wire channel, specifically comprise:
First subchannel A1, for carrying serial data output signal;
Second subchannel A2, for carrying input serial data signal;
3rd subchannel A3, for carrying serial data clock signal;
4th subchannel A4, for carrying serial data look-at-me.
The second, described four wire channel, specifically comprise:
First subchannel B1, for carrying serial date transfer/output signal;
Second subchannel B2, for carrying serial data enable signal;
3rd subchannel B3, for carrying serial data clock signal;
4th subchannel B4, for carrying serial data look-at-me.
Based on the above introduction to described electronic equipment, described data interactive method comprises:
Perform step 301, that is: when there being the first external equipment to be connected with described electronic equipment, expand unit 203 by described I/O, arrange communication interface that described electronic equipment and described first external equipment carry out data interaction be described in an I/O interface at least one I/O interface;
Further, described step 301, specifically comprises:
Expand unit 203 by described I/O, obtain the I/O interface type being used for carrying out the described I/O interface communicated with described first external equipment;
Based on a described I/O interface type, configuration has a described I/O interface of a described I/O interface type.
In more detail, described configuration has a described I/O interface of a described I/O interface type, specifically comprises:
When a described I/O interface type is com interface, com interface is expanded, obtain COM_1 interface; And to arrange described COM_1 interface be a described I/O interface;
When a described I/O interface type is PS/2 interface, PS/2 interface is expanded, obtain PS/2_1 interface; And to arrange described COM_1 interface be a described I/O interface;
When a described I/O interface type is LPT interface, LPT interface is expanded, obtain LPT_1 interface; And to arrange described LPT_1 interface be a described I/O interface;
When a described I/O interface type is USB interface, USB interface is expanded, obtain USB_1 interface; And described USB_1 interface is set for being a described I/O interface.
Before execution step 202, described method also comprises twice initialized step:
Described I/O expands unit 203 based on a described I/O interface type, carries out first time initialization, with the use making described SI/O unit 203 support a described I/O interface with described SI/O unit 202;
Described SI/O unit 202, based on a described I/O interface type, carries out second time initialization with described PCH unit 201, identifies described SI/O unit 202 be configured with a described I/O interface to make described PCH unit 201.
In specific implementation process, described first time initialization operation, specifically for: expanding unit 203 at I/O needs based at least one external equipment, after expanding, makes described SI/O unit 202 can support the described I/O interface expanded out to the type of I/O interface and number.Such as: when described I/O expansion unit 203 goes out 4 com ports, by described first time initialization, described SI/O unit 202 can be made to support the use of described 4 com interfaces.
In specific implementation process, described second time initialization operation, specifically for: after completing described first time initialization operation, described PCH unit 201 can be identified to SI/O unit 202.Such as: complete described first time initialization operation, after making described SI/O unit 202 support the use of described 4 com interfaces, carry out described second time initialization, PCH unit 201 is identified, and SI/O unit 202 is the SI/O unit 202 of band 4 com ports.
After executing described step 301 and above-mentioned twice initialization step, just step 302 can be performed, that is: by described PCH unit 201, access described SI/O unit 202 and described I/O expansion unit 203, and carry out described data interaction based on a described I/O interface and described first external equipment.
Described step 302, specifically comprises:
Described PCH unit 201, based on described first channel, carries out described data interaction with described SI/O unit 202;
Described SI/O unit 202, under the control of described controller, based on described second channel, is expanded unit 203 with described I/O and is carried out described data interaction;
Described I/O expands unit 203 based on a described I/O interface, carries out described data interaction with described first external equipment.
In specific implementation process, PCH unit 203 directly cannot be accessed I/O and be expanded unit 203, PCH unit 201 and be merely able to identify in SI/O unit 202 and be integrated with I/O expanding function.Actual execution is such: PCH unit 201 accesses SI/O unit 202 by LPC/ESPI, and SI/O unit 202 carries out data interaction by it for the controller and I/O expansion unit 203 controlling described four wire channel, and described I/O expansion unit 203 is connected with external equipment, so just achieve PCH unit 203 to carry out data interaction with described external equipment.On SI/O unit, the expansion of I/O interface is realized based on four wire channel because described I/O expands unit 203, instead of on PCH chip 101, carry out the expansion of I/O interface as I/O expensive chip 103 in prior art, PCH chip 101 by LPC signal directly and I/O expensive chip 103 carry out data interaction, thus saved the pin on PCH chip 101.
Due to the method for data interactive method for adopting in electronic device works process in the embodiment of the present application that the present embodiment is introduced, so based on the electronic equipment introduced in the embodiment of the present application, those skilled in the art can understand embodiment and its various version of the data interactive method of the present embodiment, so introduce no longer in detail for this data interactive method the embodiment of the present application.As long as those skilled in the art implement the data interactive method that electronic equipment in the embodiment of the present application adopts, all belong to the application for protection scope.
Technical scheme in above-mentioned the embodiment of the present application, at least has following technique effect or advantage:
1, in the embodiment of the present application, owing to have employed while PCH unit is connected with SI/O unit, I/O expands unit and is connected with SI/O unit, and SI/O unit realizes the expansion to I/O interface; So, to efficiently solve in prior art when expanding I/O interface, I/O expands unit and PCH unit and is directly connected and realizes I/O and expands, and existence occupies the technical matters of a large amount of PCH chip pins, achieves the technique effect of the pin of saving PCH unit.
2, in the embodiment of the present application, owing to expanding between unit at SI/O unit and I/O, what adopt is that four wire channel communicates, compare the two-wire channel with widespread use, the data pressure of the every bar channel on the four wire channel in the application obviously alleviates, be conducive to being optimized Data Transport Protocol, and then realize the technique effect of the transmission speed improving data.
3, in the embodiment of the present application, 4 signal line in described four wire channel can directly be connected with the overspeed signal line of 4 in USB3.0 interface, thus achieve the technique effect of compatible USB3.0 port, make more can be directly used in technical scheme in the embodiment of the present application with the electronic equipment of USB3.0 port.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt the form of complete hardware embodiment, completely software implementation or the embodiment in conjunction with software and hardware aspect.And the present invention can adopt in one or more form wherein including the upper computer program implemented of computer-usable storage medium (including but not limited to magnetic disk memory, CD-ROM, optical memory etc.) of computer usable program code.
The present invention describes with reference to according to the process flow diagram of the method for the embodiment of the present invention, equipment (system) and computer program and/or block scheme.Should understand can by the combination of the flow process in each flow process in computer program instructions realization flow figure and/or block scheme and/or square frame and process flow diagram and/or block scheme and/or square frame.These computer program instructions can being provided to the processor of multi-purpose computer, special purpose computer, Embedded Processor or other programmable data processing device to produce a machine, making the instruction performed by the processor of computing machine or other programmable data processing device produce device for realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be stored in can in the computer-readable memory that works in a specific way of vectoring computer or other programmable data processing device, the instruction making to be stored in this computer-readable memory produces the manufacture comprising command device, and this command device realizes the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
These computer program instructions also can be loaded in computing machine or other programmable data processing device, make on computing machine or other programmable devices, to perform sequence of operations step to produce computer implemented process, thus the instruction performed on computing machine or other programmable devices is provided for the step realizing the function of specifying in process flow diagram flow process or multiple flow process and/or block scheme square frame or multiple square frame.
Although describe the preferred embodiments of the present invention, those skilled in the art once obtain the basic creative concept of cicada, then can make other change and amendment to these embodiments.So claims are intended to be interpreted as comprising preferred embodiment and falling into all changes and the amendment of the scope of the invention.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (18)
1. an electronic equipment, comprising:
PCH unit;
SI/O unit, is connected with described PCH unit;
I/O expands unit, is connected with described SI/O unit, and wherein, described I/O expands on unit has at least one I/O interface;
Wherein, when there being the first external equipment to be connected with described electronic equipment, described electronic equipment can be set up with described electronic equipment by the I/O interface at least one I/O interface described and communicate, and carries out data interaction to enable described PCH unit by described SI/O unit and described I/O expansion unit and described first external equipment.
2. electronic equipment as claimed in claim 1, it is characterized in that, described electronic equipment also comprises:
First channel, between described PCH unit and described SI/O unit, for realizing the communication between described PCH unit and described SI/O unit;
Wherein, described first channel is specially: based on the channel of lpc bus agreement, or based on the channel of ESPI bus protocol.
3. electronic equipment as claimed in claim 1, it is characterized in that, described electronic equipment also comprises:
Second channel, expands between unit at described SI/O unit and described I/O, expands communication between unit for realizing described SI/O unit and described I/O;
Wherein, described second channel is specially: a four wire channel be made up of 4 signal line, and described SI/O unit has a controller, for controlling described four wire channel, expands communication between unit to realize described SI/O unit and described I/O.
4. electronic equipment as claimed in claim 3, it is characterized in that, described four wire channel specifically comprises:
First subchannel A1, for carrying serial data output signal;
Second subchannel A2, for carrying input serial data signal;
3rd subchannel A3, for carrying serial data clock signal;
4th subchannel A4, for carrying serial data look-at-me.
5. electronic equipment as claimed in claim 3, it is characterized in that, described four wire channel specifically comprises:
First subchannel B1, for carrying serial date transfer/output signal;
Second subchannel B2, for carrying serial data enable signal;
3rd subchannel B3, for carrying serial data clock signal;
4th subchannel B4, for carrying serial data look-at-me.
6. electronic equipment as claimed in claim 1, is characterized in that, described I/O expands unit and specifically comprises:
Acquiring unit, for when there being described first external equipment to be connected with described electronic equipment, obtains an I/O interface type of a described I/O interface;
I/O expands module, for based on a described I/O interface type, configures a described I/O interface with a described I/O interface type.
7. electronic equipment as claimed in claim 6, is characterized in that, described I/O expands module and specifically comprises:
Com interface expands submodule, for when a described I/O interface type is com interface, expands com interface, obtains COM_1 interface; And to arrange described COM_1 interface be a described I/O interface;
PS/2 interface expands submodule, for when a described I/O interface type is PS/2 interface, expands PS/2 interface, obtains PS/2_1 interface; And to arrange described PS/2_1 interface be a described I/O interface;
LPT interface expands submodule, for when a described I/O interface type is LPT interface, expands LPT interface, obtains LPT_1 interface; And to arrange described LPT_1 interface be a described I/O interface;
USB interface expands submodule, for when a described I/O interface type is USB interface, expands USB interface, obtains USB_1 interface; And to arrange described USB_1 interface be a described I/O interface.
8. electronic equipment as claimed in claim 3, is characterized in that, described I/O expands unit and also comprises: circumscription socket, for the first external equipment described in physical connection.
9. electronic equipment as claimed in claim 8, it is characterized in that, described circumscription socket is specifically as follows:
USB3.0 socket, wherein, 4 hypervelocity data-interfaces in described USB3.0 socket match one by one with the signal wire of 4 in described four wire channel and are connected.
10. a data interactive method, is applied in electronic equipment, and described electronic equipment comprises: PCH unit; SI/O unit, is connected with described PCH unit; I/O expands unit, is connected with described SI/O unit, and wherein, described I/O expands on unit has at least one I/O interface; Described method comprises:
When there being the first external equipment to be connected with described electronic equipment, expand unit by described I/O, arrange communication interface that described electronic equipment and described first external equipment carry out data interaction be described in an I/O interface at least one I/O interface;
By described PCH unit, access described SI/O unit and described I/O expansion unit, and carry out described data interaction based on a described I/O interface and described first external equipment.
11. methods as claimed in claim 10, is characterized in that, described PCH unit, by the first channel, communicates with described SI/O unit;
Wherein, described first channel is specially: based on the channel of lpc bus agreement, or based on the channel of ESPI bus protocol.
12. methods as claimed in claim 10, is characterized in that, described SI/O unit, by second channel, is expanded unit with described I/O and communicated;
Wherein, described second channel is specially: a four wire channel be made up of 4 signal line, and described SI/O unit has a controller, for controlling described four wire channel, to realize the communication that described SI/O unit and described I/O expand unit.
13. methods as claimed in claim 12, it is characterized in that, described four wire channel specifically comprises:
First subchannel A1, for carrying serial data output signal;
Second subchannel A2, for carrying input serial data signal;
3rd subchannel A3, for carrying serial data clock signal;
4th subchannel A4, for carrying serial data look-at-me.
14. methods as claimed in claim 12, it is characterized in that, described four wire channel specifically comprises:
First subchannel B1, for carrying serial date transfer/output signal;
Second subchannel B2, for carrying serial data enable signal;
3rd subchannel B3, for carrying serial data clock signal;
4th subchannel B4, for carrying serial data look-at-me.
15. methods as claimed in claim 10, it is characterized in that, describedly expand unit by described I/O, arrange communication interface that described electronic equipment and described first external equipment carry out data interaction be described in an I/O interface at least one I/O interface, specifically comprise:
Expand unit by described I/O, obtain an I/O interface type of a described I/O interface;
Based on a described I/O interface type, configuration has a described I/O interface of a described I/O interface type.
16. methods as claimed in claim 15, is characterized in that, described configuration has a described I/O interface of a described I/O interface type, specifically comprises:
When a described I/O interface type is com interface, com interface is expanded, obtain COM_1 interface; And to arrange described COM_1 interface be a described I/O interface;
When a described I/O interface type is PS/2 interface, PS/2 interface is expanded, obtain PS/2_1 interface; And to arrange described COM_1 interface be a described I/O interface;
When a described I/O interface type is LPT interface, LPT interface is expanded, obtain LPT_1 interface; And to arrange described LPT_1 interface be a described I/O interface;
When a described I/O interface type is USB interface, USB interface is expanded, obtain USB_1 interface; And described USB_1 interface is set for being a described I/O interface.
17. methods as claimed in claim 10, it is characterized in that, described by described PCH unit, access described SI/O unit and described I/O expansion unit, and before carrying out described data interaction based on a described I/O interface and described first external equipment, described method also comprises:
Described I/O expands unit based on a described I/O interface type, carries out first time initialization with described SI/O unit, with the use making described SI/O unit support a described I/O interface;
Described SI/O unit, based on a described I/O interface type, carries out second time initialization with described PCH unit, and identifying described SI/O cell location to make described PCH unit has a described I/O interface.
18. methods as claimed in claim 12, is characterized in that, described by described PCH unit, access described SI/O unit and described I/O expansion unit, and carry out described data interaction based on a described I/O interface and described first external equipment, specifically comprise:
Described PCH unit, based on described first channel, carries out described data interaction with described SI/O unit;
Described SI/O unit, under the control of described controller, based on described second channel, is expanded unit with described I/O and is carried out described data interaction;
Described I/O expands unit based on a described I/O interface, carries out described data interaction with described first external equipment.
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| CN201310349819.4A CN104375964A (en) | 2013-08-12 | 2013-08-12 | Electronic equipment and data interaction method |
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| CN201310349819.4A CN104375964A (en) | 2013-08-12 | 2013-08-12 | Electronic equipment and data interaction method |
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| CN109416678A (en) * | 2016-06-28 | 2019-03-01 | 高通股份有限公司 | Accelerating type I3C main equipment stops |
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