CN114528237A - Interface converter, circuit board and electronic equipment - Google Patents
Interface converter, circuit board and electronic equipment Download PDFInfo
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- CN114528237A CN114528237A CN202210152839.1A CN202210152839A CN114528237A CN 114528237 A CN114528237 A CN 114528237A CN 202210152839 A CN202210152839 A CN 202210152839A CN 114528237 A CN114528237 A CN 114528237A
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- interface
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- 238000001514 detection method Methods 0.000 claims abstract description 73
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- General Engineering & Computer Science (AREA)
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Bus Control (AREA)
- Communication Control (AREA)
Abstract
The invention discloses an interface converter, a circuit board and electronic equipment, wherein the electronic equipment comprises the interface converter and the circuit board, the interface converter comprises a first protocol interface and a return interface connected with the first protocol interface; the circuit board comprises a communication interface and a detection interface, the communication interface comprises a plurality of interface channels, and the circuit board respectively sends different characteristic signals to different interface channels; the first protocol interface is also connected with any interface channel, and the return interface is also connected with the detection interface and used for returning the characteristic signal received by the first protocol interface to the detection interface; the circuit board identifies the characteristic signal received by the first protocol interface through the detection interface so as to determine the address information of the interface channel connected with the first protocol interface. By applying the invention, the interface converter can be connected to any interface channel without being limited by a designated position, so that the overall configuration of the system and the cable layout are more flexible.
Description
Technical Field
The invention belongs to the technical field of communication, and particularly relates to an interface converter, a circuit board and electronic equipment.
Background
Most of the interface converters on the market are connected to the specified position of the main board at present, and are not allowed to be connected in error or at other positions, otherwise, the interface converters cannot be identified and normally work. For example, when the interface converter is an OCP (open computer project) adapter card, it can only be connected to a designated channel on an MC (media gateway Control) interface of the motherboard, but cannot be connected to other channels of the same type on the MC interface, otherwise, the OCP adapter card cannot be identified and normally operated.
Due to the technical defects, the overall configuration of the system is not flexible, and the cable layout inside the chassis has strict requirements, that is, the cable layout can only be connected to a specified position.
Disclosure of Invention
The present invention is directed to an interface converter, a circuit board and an electronic device to solve the above-mentioned problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, an interface converter is provided, which includes a first protocol interface and a backhaul interface connected to the first protocol interface;
the first protocol interface is also connected with any interface channel of a communication interface of the circuit board, and the return interface is also connected with a detection interface of the circuit board;
the circuit board sends different characteristic signals to different interface channels respectively, and the return interface is used for returning the characteristic signals received by the first protocol interface to the detection interface; the circuit board identifies the characteristic signal received by the first protocol interface through the detection interface so as to determine the address information of the interface channel connected with the first protocol interface.
Optionally, the backhaul interface includes an in-place signal channel, and the in-place signal channel is grounded;
the detection interface comprises an in-place detection channel, and the in-place detection channel is connected with a high-level signal; the in-place signal channel is connected with the in-place detection channel.
Optionally, the different characteristic signals are PWM (pulse width modulation) signals with different duty ratios.
In a second aspect, a circuit board is provided, which includes a communication interface and a detection interface, where the communication interface includes at least two interface channels, and the circuit board sends different characteristic signals to different interface channels respectively;
the interface converter comprises a first protocol interface and a return interface connected with the first protocol interface, the first protocol interface is further connected with any one of the interface channels, and the return interface is further connected with the detection interface and used for returning the characteristic signal received by the first protocol interface to the detection interface; the circuit board identifies the characteristic signal received by the first protocol interface through the detection interface so as to determine the address information of the interface channel connected with the first protocol interface.
Optionally, the detection interface includes an on-site detection channel, and the on-site detection channel is connected with a high level signal;
the backhaul interface comprises an in-place signal channel, and the in-place signal channel is grounded; the in-place signal channel is connected with the in-place detection channel.
Optionally, the different characteristic signals are PWM signals of different duty ratios.
In a third aspect, an electronic device is provided, which includes an interface converter and a circuit board, where the interface converter includes a first protocol interface and a backhaul interface connected to the first protocol interface; the circuit board comprises a communication interface and a detection interface, the communication interface comprises a plurality of interface channels, and the circuit board respectively sends different characteristic signals to different interface channels;
the first protocol interface is further connected with any one of the interface channels, and the return interface is further connected with the detection interface and is used for returning the characteristic signal received by the first protocol interface to the detection interface;
the circuit board identifies the characteristic signal received by the first protocol interface through the detection interface so as to determine the address information of the interface channel connected with the first protocol interface.
Optionally, the detection interface includes an on-site detection channel, and the on-site detection channel is connected with a high level signal; the return interface comprises an in-place signal channel which is grounded; the in-place signal channel is connected with the in-place detection channel.
Optionally, the different characteristic signals are PWM signals of different duty ratios.
Optionally, the interface converter further includes a second protocol interface, where the first protocol interface supports an MC interface protocol, and the second protocol interface supports an OCP interface protocol.
Compared with the prior art, the embodiment of the invention has the following beneficial effects:
different characteristic signals are sent to different interface channels through the circuit board, then the characteristic signals received by the first protocol interface can be identified through the return interface and the detection interface, and address information (such as serial numbers and virtual addresses of the interface channels and the like) of the interface channels connected with the first protocol interface is identified according to the characteristic signals, so that the address information is provided for system configuration. According to the interface converter, the circuit board and the electronic equipment provided by the embodiment of the invention, the interface converter can be connected to any interface channel without being limited by a specified position, so that the overall configuration and the cable layout of a system are more flexible.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope covered by the contents disclosed in the present invention.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Illustration of the drawings:
10. an interface converter; 30. a first protocol interface; 31. a first interface pin; 32. a second interface pin; 50. a return interface; 51. a first feedback pin; 52. a second return pin; 53. an in-place signal channel; 20. a circuit board; 40. a communication interface; 41. a first communication pin; 42. a second communication pin; 43. a third communication pin; 60. detecting an interface; 61. a first detection pin; 62. a second detection pin; 63. and detecting the channel in place.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides an electronic device, which includes an interface converter 10 and a circuit board 20, wherein the interface converter 10 includes a first protocol interface 30 and a backhaul interface 50 connected to the first protocol interface 30; the circuit board 20 includes a communication interface 40 and a detection interface 60, the communication interface 40 includes a plurality of interface channels, and the circuit board 20 sends different characteristic signals to different interface channels respectively.
The first protocol interface 30 is further connected to any interface channel, and the backhaul interface 50 is further connected to the detection interface 60, for backhaul transmitting the characteristic signal received by the first protocol interface 30 to the detection interface 60.
The circuit board 20 identifies the characteristic signal received by the first protocol interface 30 through the detection interface 60, thereby determining the address information of the interface channel connected with the first protocol interface 30.
It should be understood that the circuit board 20 may be pre-numbered for each interface channel or assigned a virtual address, each number or virtual address corresponding to a different characteristic signal. When the characteristic signal received by the first protocol interface 30 is identified, the serial number or the virtual address of the interface channel connected to the first protocol interface 30 can be determined according to the corresponding relationship.
It should be noted that the interface channels may include different numbers of pins according to the type of the interface. In this embodiment, each interface channel includes two pins, for example, the first communication pin 41 and the second communication pin 42 form an interface channel in the figure, and the third communication pin 43 may form an interface channel with a fourth communication pin, a fifth communication pin, or an nth communication pin (refer to reference numeral n in fig. 1). Accordingly, the first protocol interface 30 comprises a first interface pin 31 and a second interface pin 32. The return interface 50 includes a first return pin 51 and a second return pin 52, and the detection interface 60 includes a first detection pin 61 and a second detection pin 62.
Further, the characteristic signal may be selected to be a PWM signal for ease of implementation. The difference in PWM signal can be achieved by different duty cycles. PWM signals with different value duty ratios, such as 10%, 20%, 30%, 40%, etc., are sent to different communication pins, respectively. By different duty cycles, address information of the first interface pin 31 connection and address information of the second interface pin 32 connection can be recognized.
The interface converter 10 further comprises a second protocol interface, which can be used to connect a mobile device, which is in communication with the circuit board 20, i.e. with the electronic device, via the interface converter 10.
In this embodiment, the circuit board 20 sends different characteristic signals to different interface channels, and then the backhaul interface 50 and the detection interface 60 can identify the characteristic signal received by the first protocol interface 30, so as to identify the address information of the interface channel connected to the first protocol interface 30. The address information may refer to a number of an interface channel, a pin number, or other virtual address recognizable by the circuit board 20. After the address information is identified, the circuit board 20 may perform system configuration on the interface converter 10, for example, a Central Processing Unit (CPU) of the circuit board 20 flexibly configures a Peripheral Component Interconnect Express (PCIE) channel.
According to the electronic device provided by the embodiment, the interface converter 10 can be connected to any interface channel without being limited by a specified position, so that the overall configuration and cable layout of the system are more flexible.
As an optional implementation manner of this embodiment, the detection interface 60 includes an on-site detection channel 63, and the on-site detection channel 63 is connected to a high-level signal; the backhaul interface 50 includes a signal-in-place channel 53, where the signal-in-place channel 53 is connected to ground; the presence signal path 53 is connected to the presence detection path 63.
Thus, when the interface converter 10 is in a bit, a low level is detected at the bit detection channel 63, otherwise a high level is detected. Alternatively, a high level signal may be provided through the resistor R and the Power supply Power.
As an optional implementation manner of this embodiment, the electronic device may be a computer, the circuit board 20 may be a motherboard, and the interface converter 10 includes a second protocol interface, where the first protocol interface 30 supports an MC interface protocol, and the second protocol interface supports an OCP interface protocol.
In another embodiment of the present application, there is also provided an interface converter 10, comprising a first protocol interface 30 and a backhaul interface 50 connected to the first protocol interface 30; the first protocol interface 30 is further connected to any interface channel of the communication interface 40 of the circuit board 20, and the backhaul interface 50 is further connected to the detection interface 60 of the circuit board 20.
The circuit board 20 sends different characteristic signals to different interface channels, and the return interface 50 is configured to return the characteristic signals received by the first protocol interface 30 to the detection interface 60; the circuit board 20 identifies the characteristic signal received by the first protocol interface 30 through the detection interface 60, thereby determining the address information of the interface channel connected with the first protocol interface 30.
The interface converter 10 provided by the embodiment can be connected to any interface channel and identified by the circuit board 20, and is not limited by a designated position, so that the overall configuration of the system and the cable layout are more flexible.
In another embodiment of the present application, there is also provided a circuit board 20, which includes a communication interface 40 and a detection interface 60, wherein the communication interface 40 includes at least two interface channels, and the circuit board 20 sends different characteristic signals to different interface channels respectively.
The interface converter 10 includes a first protocol interface 30 and a backhaul interface 50 connected to the first protocol interface 30, where the first protocol interface 30 is further connected to any interface channel, and the backhaul interface 50 is further connected to a detection interface 60, and is configured to backhaul a characteristic signal received by the first protocol interface 30 to the detection interface 60; the circuit board 20 identifies the characteristic signal received by the first protocol interface 30 through the detection interface 60, thereby determining the address information of the interface channel connected with the first protocol interface 30.
The circuit board 20 provided by the embodiment can identify the interface converter 10 connected to any interface channel, and is not limited by a designated position, so that the overall configuration of the system and the cable layout are more flexible.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The interface converter is characterized by comprising a first protocol interface and a return interface connected with the first protocol interface;
the first protocol interface is also connected with any interface channel of a communication interface of the circuit board, and the return interface is also connected with a detection interface of the circuit board;
the circuit board sends different characteristic signals to different interface channels respectively, and the return interface is used for returning the characteristic signals received by the first protocol interface to the detection interface; the circuit board identifies the characteristic signal received by the first protocol interface through the detection interface so as to determine the address information of the interface channel connected with the first protocol interface.
2. The interface converter of claim 1, wherein the backhaul interface comprises an in-place signal path, the in-place signal path being coupled to ground;
the detection interface comprises an in-place detection channel, and the in-place detection channel is connected with a high-level signal; the in-place signal channel is connected with the in-place detection channel.
3. Interface converter according to claim 1, characterized in that the different characteristic signals are pulse width modulated, PWM, signals of different duty cycles.
4. The circuit board is characterized by comprising a communication interface and a detection interface, wherein the communication interface comprises at least two interface channels, and the circuit board respectively sends different characteristic signals to different interface channels;
the interface converter comprises a first protocol interface and a return interface connected with the first protocol interface, the first protocol interface is further connected with any one of the interface channels, and the return interface is further connected with the detection interface and used for returning the characteristic signal received by the first protocol interface to the detection interface; the circuit board identifies the characteristic signal received by the first protocol interface through the detection interface so as to determine the address information of the interface channel connected with the first protocol interface.
5. The circuit board of claim 4, wherein the detection interface comprises an on-site detection channel, and the on-site detection channel is connected with a high-level signal;
the backhaul interface comprises an in-place signal channel, and the in-place signal channel is grounded; the in-place signal channel is connected with the in-place detection channel.
6. The circuit board of claim 4, wherein the different characteristic signals are Pulse Width Modulated (PWM) signals of different duty cycles.
7. The electronic equipment is characterized by comprising an interface converter and a circuit board, wherein the interface converter comprises a first protocol interface and a return interface connected with the first protocol interface; the circuit board comprises a communication interface and a detection interface, the communication interface comprises a plurality of interface channels, and the circuit board respectively sends different characteristic signals to different interface channels;
the first protocol interface is further connected with any one of the interface channels, and the return interface is further connected with the detection interface and is used for returning the characteristic signal received by the first protocol interface to the detection interface;
the circuit board identifies the characteristic signal received by the first protocol interface through the detection interface so as to determine the address information of the interface channel connected with the first protocol interface.
8. The electronic device of claim 7, wherein the detection interface comprises an on-site detection channel, and the on-site detection channel is connected with a high-level signal; the return interface comprises an in-place signal channel which is grounded; the in-place signal channel is connected with the in-place detection channel.
9. The electronic device of claim 7, wherein the different characteristic signals are Pulse Width Modulated (PWM) signals of different duty cycles.
10. The electronic device of claim 7, wherein the interface converter further comprises a second protocol interface, wherein the first protocol interface supports a media gateway control (MC) interface protocol, and wherein the second protocol interface supports an Open Computer Project (OCP) interface protocol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210152839.1A CN114528237B (en) | 2022-02-18 | 2022-02-18 | Interface converter, circuit board and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210152839.1A CN114528237B (en) | 2022-02-18 | 2022-02-18 | Interface converter, circuit board and electronic equipment |
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| Publication Number | Publication Date |
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| CN114528237A true CN114528237A (en) | 2022-05-24 |
| CN114528237B CN114528237B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210152839.1A Active CN114528237B (en) | 2022-02-18 | 2022-02-18 | Interface converter, circuit board and electronic equipment |
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| CN109871344A (en) * | 2017-12-05 | 2019-06-11 | 炬芯（珠海）科技有限公司 | Communication system, interface circuit and its method for transmitting signal |
| CN111694776A (en) * | 2020-05-29 | 2020-09-22 | 大唐微电子技术有限公司 | Method and device for identifying communication interface in chip |
-
2022
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Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101515243A (en) * | 2008-02-21 | 2009-08-26 | 鸿富锦精密工业（深圳）有限公司 | Graphic display card test system and method |
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| Publication number | Publication date |
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| CN114528237B (en) | 2023-12-12 |
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