CN107239426A - A kind of structure and method that DP inputs are realized by USB type C - Google Patents
A kind of structure and method that DP inputs are realized by USB type C Download PDFInfo
- Publication number
- CN107239426A CN107239426A CN201710428431.1A CN201710428431A CN107239426A CN 107239426 A CN107239426 A CN 107239426A CN 201710428431 A CN201710428431 A CN 201710428431A CN 107239426 A CN107239426 A CN 107239426A
- Authority
- CN
- China
- Prior art keywords
- signal
- usb type
- signals
- usb
- realized
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention discloses a kind of structure and method that DP inputs are realized by USB type C, including signal input module, signal output module, embedded controller, DP signal shifters, multiplexer, USB power source delivery module and USB TYPE C, wherein signal input module produces DP input signals and is sent to DP signal shifters, signal output module receives the DP output signals from DP signal shifters, and embedded controller is integrally connected machine display；The judged result of embedded controller is sent to multiplexer by DP signal shifters, and the multiplexer and above-mentioned USB power source delivery module are all connected to USB TYPE C.This it is a kind of by USB type C realize DP input structure and method compared with prior art, user need not distinguish which be output which be input, new function is realized on USB TYPE C, it is practical, it is applied widely, it is easy to promote.
Description
Technical field
The present invention relates to field of computer technology, especially specifically it is a kind of it is practical, pass through USB type C and realize
The structure and method of DP inputs.
Background technology
With the importing on MIC Book for the USB Type C that apple is led, and increasing mobile phone camp
Addition, USB Type C are increasingly becoming the trend of main flow.
Current USB Type_C associations specifications can support USB, DP, charge function, but be directed to all-in-one product also
There is another demand, exactly big screen products all-in-one needs that display can be done, and is exactly the design of current industry the problem of current
Scheme can only support output, not support input.
Based on this, the present invention proposes a kind of structure and method that DP inputs are realized by USB type C.
The content of the invention
The technical assignment of the present invention is practical, real by USB type C there is provided one kind for above weak point
The structure and method of existing DP inputs.
A kind of structure that DP inputs are realized by USB type C, including it is signal input module, signal output module, embedding
Enter formula controller, DP signal shifters, multiplexer, USB power source delivery module and USB TYPE C, wherein signal input mould
Block produces DP input signals and is sent to DP signal shifters, and signal output module receives the DP outputs from DP signal shifters
Signal, embedded controller connects the DP signal shifters and judges DP signals for DP input signals or DP output signals, should
Embedded controller is also connected with all-in-one display；The judged result of embedded controller is sent to multichannel by DP signal shifters
Multiplexer, the multiplexer and above-mentioned USB power source delivery module are all connected to USB TYPE C.
The signal input module is GPU graphics processors.
The signal output module is conversion of resolution chip.
The USB TYPE C include USB TYPE C sockets, the USB TYPE C input-output equipment being connected with each other, its
Middle multiplexer and USB power source delivery module are connected in USB TYPE C sockets
A kind of to realize the method that DP is inputted by USB type C, its implementation process is：
Determine to choose DP input signals or DP output signals first；
Then the DP input signals or DP output signals of selection are sent to multiplexer；
USB power source delivery module detects that the signal of above-mentioned selection is DP signals or usb signal；
Multiplexer passes the signal to USB TYPE C according to testing result, completes DP transmission.
It is determined that the process for choosing DP signals is：Embedded controller is sent information to first, then is led to by embedded controller
Know DP signal shifters, DP input signals or output signal are chosen by the DP signal shifters, by control selections, DP is reached
The two-in-one purpose of signal.
The USB power source delivery module detects CC signals, then judges it is that DP signals or USB believe according to CC signals
Number, multiplexer transfers data to USB TYPE C according to the judged result.
Embedded controller is sent information to refer to send display state information to insertion by monitor switch button
Formula controller, if integrated machine system work is in pc mode：When USB Type C-terminals detect signal, press display by
During button, display mode is converted to；When USB Type C-terminals are not detected by signal, when pressing indicator knob, PC moulds are returned to
Formula；
If system is operated under display mode：When pressing indicator knob, display mode is returned to；If in USB
When Type C-terminals are not detected by signal, when pressing indicator knob, PC patterns are returned to；
As the system reboots, PC patterns are automatically switched to.
A kind of structure and method that DP inputs are realized by USB type C of the present invention, with advantages below：
A kind of structure and method that DP inputs are realized by USB type C of the present invention, realizes that DP signals are input to USB
Type C, are then output to display, user need not distinguish which be output which be input, reduce the space of I/O device with
Increase other more functions, automatic both of which can automatically switch, new work(is realized equivalent on USB TYPE C
Can, it is practical, it is applied widely, it is easy to promote.
Brief description of the drawings
Accompanying drawing 1 is implementation process figure of the invention.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of structure that DP inputs are realized by USB type C, including signal input module, signal
Output module, embedded controller, DP signal shifters, multiplexer, USB power source delivery module and USB TYPE C, its
Middle signal input module produces DP input signals and is sent to DP signal shifters, and signal output module is received and cut from DP signals
The DP output signals of parallel operation, embedded controller connects the DP signal shifters and judges DP signals for DP input signals or DP
Output signal, the embedded controller is also connected with all-in-one display；DP signal shifters are by the judgement knot of embedded controller
Fruit is sent to multiplexer, and the multiplexer and above-mentioned USB power source delivery module are all connected to USB TYPE C.
The signal input module is GPU graphics processors.
The signal output module is conversion of resolution chip.
The USB TYPE C include USB TYPE C sockets, the USB TYPE C input-output equipment being connected with each other, its
Middle multiplexer and USB power source delivery module are connected in USB TYPE C sockets
A kind of to realize the method that DP is inputted by USB type C, its implementation process is：
Determine to choose DP input signals or DP output signals first；
Then the DP input signals or DP output signals of selection are sent to multiplexer；
USB power source delivery module detects that the signal of above-mentioned selection is DP signals or usb signal；
Multiplexer passes the signal to USB TYPE C according to testing result, completes DP transmission.
It is determined that the process for choosing DP signals is：EC is sent information to first（Embedded controller embedded Controls
Device）, then by embedded controller notice DP signal shifters, DP input signals are chosen by the DP signal shifters and still export letter
Number, by control selections, reach the two-in-one purpose of DP signals.
The USB power source delivery module detects CC signals, then judges it is that DP signals or USB believe according to CC signals
Number, multiplexer transfers data to USB TYPE C according to the judged result.
Embedded controller is sent information to refer to send display state information to insertion by monitor switch button
Formula controller, if integrated machine system work is in pc mode：When USB Type C-terminals detect signal, press display by
During button, display mode is converted to；When USB Type C-terminals are not detected by signal, when pressing indicator knob, PC moulds are returned to
Formula；
If system is operated under display mode：When pressing indicator knob, display mode is returned to；If in USB
When Type C-terminals are not detected by signal, when pressing indicator knob, PC patterns are returned to；
As the system reboots, PC patterns are automatically switched to.
Above-mentioned embodiment is only the specific case of the present invention, and scope of patent protection of the invention includes but is not limited to
Above-mentioned embodiment, a kind of any structure and method that DP inputs are realized by USB type C for meeting the present invention
The appropriate change or replacement that the those of ordinary skill of claims and any technical field is done to it, should all fall into
The scope of patent protection of the present invention.
Claims (8)
1. a kind of structure that DP inputs are realized by USB type C, it is characterised in that defeated including signal input module, signal
Go out module, embedded controller, DP signal shifters, multiplexer, USB power source delivery module and USB TYPE C, wherein
Signal input module produces DP input signals and is sent to DP signal shifters, and signal output module is received from the switching of DP signals
The DP output signals of device, embedded controller connects the DP signal shifters and judges that DP signals are that DP input signals or DP are defeated
Go out signal, the embedded controller is also connected with all-in-one display；DP signal shifters are by the judged result of embedded controller
Multiplexer is sent to, the multiplexer and above-mentioned USB power source delivery module are all connected to USB TYPE C.
2. a kind of structure that DP inputs are realized by USB type C according to claim 1, it is characterised in that described
Signal input module is GPU graphics processors.
3. a kind of structure that DP inputs are realized by USB type C according to claim 1, it is characterised in that described
Signal output module is conversion of resolution chip.
4. a kind of structure that DP inputs are realized by USB type C according to claim 1, it is characterised in that described
USB TYPE C include USB TYPE C sockets, wherein the USB TYPE C input-output equipment, multiplexer being connected with each other
And USB power source delivery module is connected in USB TYPE C sockets.
5. a kind of method that DP inputs are realized by USB type C, it is characterised in that its implementation process is：
Determine to choose DP input signals or DP output signals first；
Then the DP input signals or DP output signals of selection are sent to multiplexer；
USB power source delivery module detects that the signal of above-mentioned selection is DP signals or usb signal；
Multiplexer passes the signal to USB TYPE C according to testing result, completes DP transmission.
6. a kind of method that DP inputs are realized by USB type C according to claim 5, it is characterised in that it is determined that
Choose DP signals process be：Embedded controller is sent information to first, then notifies DP signals to switch by embedded controller
Device, chooses DP input signals or output signal by the DP signal shifters, by control selections, reaches that DP signals are two-in-one
Purpose.
7. a kind of method that DP inputs are realized by USB type C according to claim 5, it is characterised in that described
USB power source delivery module detects CC signals, then judges it is DP signals or usb signal, multiplexer according to CC signals
USB TYPE C are transferred data to according to the judged result.
8. a kind of method that DP inputs are realized by USB type C according to claim 5, it is characterised in that send
Information to embedded controller refer to by monitor switch button send display state information to embedded controller, if
Integrated machine system works in pc mode：When USB Type C-terminals detect signal, when pressing indicator knob, be converted to aobvious
Show device pattern；When USB Type C-terminals are not detected by signal, when pressing indicator knob, PC patterns are returned to；
If system is operated under display mode：When pressing indicator knob, display mode is returned to；If in USB
When Type C-terminals are not detected by signal, when pressing indicator knob, PC patterns are returned to；
As the system reboots, PC patterns are automatically switched to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428431.1A CN107239426A (en) | 2017-06-08 | 2017-06-08 | A kind of structure and method that DP inputs are realized by USB type C |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710428431.1A CN107239426A (en) | 2017-06-08 | 2017-06-08 | A kind of structure and method that DP inputs are realized by USB type C |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107239426A true CN107239426A (en) | 2017-10-10 |
Family
ID=59986168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710428431.1A Pending CN107239426A (en) | 2017-06-08 | 2017-06-08 | A kind of structure and method that DP inputs are realized by USB type C |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107239426A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920392A (en) * | 2019-01-28 | 2019-06-21 | 南京巨鲨显示科技有限公司 | A kind of medical display and power supply mode with Type-C video interface |
| CN111831599A (en) * | 2019-04-22 | 2020-10-27 | 鸿富锦精密工业(武汉)有限公司 | Interface switching circuit and electronic device using same |
| CN115499691A (en) * | 2022-09-19 | 2022-12-20 | 重庆长安汽车股份有限公司 | Screen projection method and device of vehicle machine system, electronic equipment and storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104915315A (en) * | 2015-06-30 | 2015-09-16 | 硅谷数模半导体（北京）有限公司 | Signal state detection method and device |
| CN205139907U (en) * | 2015-08-05 | 2016-04-06 | 东莞铭基电子科技集团有限公司 | USBType -C data line |
| CN106021150A (en) * | 2016-04-29 | 2016-10-12 | 青岛海信电器股份有限公司 | Type-C interface equipment, communication system and communication method |
| CN206003090U (en) * | 2016-07-29 | 2017-03-08 | 浪潮集团有限公司 | A kind of circuit realizing USB Type c interface function for display |
-
2017
- 2017-06-08 CN CN201710428431.1A patent/CN107239426A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104915315A (en) * | 2015-06-30 | 2015-09-16 | 硅谷数模半导体（北京）有限公司 | Signal state detection method and device |
| CN205139907U (en) * | 2015-08-05 | 2016-04-06 | 东莞铭基电子科技集团有限公司 | USBType -C data line |
| CN106021150A (en) * | 2016-04-29 | 2016-10-12 | 青岛海信电器股份有限公司 | Type-C interface equipment, communication system and communication method |
| CN206003090U (en) * | 2016-07-29 | 2017-03-08 | 浪潮集团有限公司 | A kind of circuit realizing USB Type c interface function for display |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109920392A (en) * | 2019-01-28 | 2019-06-21 | 南京巨鲨显示科技有限公司 | A kind of medical display and power supply mode with Type-C video interface |
| CN111831599A (en) * | 2019-04-22 | 2020-10-27 | 鸿富锦精密工业(武汉)有限公司 | Interface switching circuit and electronic device using same |
| CN115499691A (en) * | 2022-09-19 | 2022-12-20 | 重庆长安汽车股份有限公司 | Screen projection method and device of vehicle machine system, electronic equipment and storage medium |
| CN115499691B (en) * | 2022-09-19 | 2023-05-12 | 重庆长安汽车股份有限公司 | Screen projection method and device of vehicle-mounted system, electronic equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101937414B (en) | Method and device of sharing minitype USB interface for UART (Universal Asynchronous Receive/Transmitter) and USB (Universal Serial Bus) | |
| CN107239426A (en) | A kind of structure and method that DP inputs are realized by USB type C | |
| CN103136138A (en) | Chip, chip debugging method and communication method for chip and external devices | |
| CN104102359B (en) | With wired and radio function the electronic installation of switching | |
| US20110197000A1 (en) | Master-slave device communication circuit and id address setting method thereof | |
| US20100274944A1 (en) | Serial interface communication test apparatus and test method using the same | |
| CN110247265B (en) | Multifunctional data line, switching circuit and switching method | |
| CN103338284B (en) | System compatible with display screen equipment | |
| CN203444464U (en) | Intelligent terminal device | |
| US20120284428A1 (en) | Electronic device having audio ports | |
| CN102854417B (en) | Master test board and testing method thereof | |
| CN103226523B (en) | The system of a kind of external equipment and mobile terminal and composition thereof | |
| CN106207685A (en) | A kind of plug interconnecting device | |
| CN205015832U (en) | Multicomputer auto -change over device with quick charge function | |
| CN106771970A (en) | A kind of electronic equipment and its test system | |
| CN105335081A (en) | Information processing method and electronic equipment | |
| CN101188047A (en) | Multi-channel differential signal monitoring circuit | |
| CN103543972A (en) | KVM switcher indicating device and KVM switching system | |
| CN103365735A (en) | Transmission interface and method for determining transmission signal | |
| CN111104361B (en) | Serial port number query method and device, computer equipment and storage medium | |
| CN202495661U (en) | USB conversion device | |
| CN103631750B (en) | The method and electronic equipment of a kind of information processing | |
| CN102469190B (en) | Based on complete machine debugging method and the device of mobile communication terminal | |
| CN100407183C (en) | Main board of selectively replacing input/output interface | |
| CN101310243A (en) | Input device using touch manner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171010 |
|
| RJ01 | Rejection of invention patent application after publication |