CN218647390U - Interface expansion board card - Google Patents
Interface expansion board card Download PDFInfo
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- CN218647390U CN218647390U CN202223001902.6U CN202223001902U CN218647390U CN 218647390 U CN218647390 U CN 218647390U CN 202223001902 U CN202223001902 U CN 202223001902U CN 218647390 U CN218647390 U CN 218647390U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
Abstract
The application discloses interface extension integrated circuit board includes: the system comprises an input interface, a PCIe Switch chip, an interface conversion chip and an output interface; the input interface is accessed to a PCIe interface of the target computer equipment; the signal input end of the PCIe Switch chip is connected with the input interface so as to receive PCIe signals sent by the PCIe interface, and at least two signal output ends of the PCIe Switch chip respectively output PCIe branch signals and are respectively connected to the signal input ends of the corresponding interface conversion chips; and the signal output end of each interface conversion chip is connected to the corresponding output interface so as to be connected with external equipment through the output interface. In a processor platform without an integrated bridge chip and an adaptable external expansion bridge chip, the bridge chip is replaced in a board card mode, interfaces of various types do not need to be designed on a mainboard independently, the expansion of the interfaces can be realized, the complexity of mainboard design is simplified, and the occupation of space is reduced.
Description
Technical Field
The application relates to the technical field of communication interfaces, in particular to an interface expansion board card.
Background
The expansion interface is an interface used for connecting various external devices on the mainboard.
At present, an X86 processor chip or an ARM processor chip generally adopts a System-on-a-chip (SOC) or a method of mounting a bridge chip (PCH) externally to extend an interface. The bridge chip is used for directly exchanging data and instructions with a Central Processing Unit (CPU) and serving as a processing chip for connecting a bridge, is mainly used for expanding various interfaces such as universal USB, SATA, PCIe, audio, LAN and the like, and is greatly convenient for system design and cost control.
However, for some other architecture processors, since there is neither an integrated bridge nor an adaptable external extension bridge inside the chip, each type of interface needs to be separately designed on the motherboard when the system is designed, so that the complexity of the system increases.
SUMMERY OF THE UTILITY MODEL
The application provides an interface extension board card, in the processor platform that does not have integrated bridge chip, also does not have the outside extension bridge chip that can adapt, need not to design each type of interface alone on the mainboard, also can realize the extension of interface, and this technical scheme is as follows.
An interface expansion board, the interface expansion board comprising: the system comprises an input interface, a PCIe Switch chip, an interface conversion chip and an output interface;
wherein the input interface is used for accessing a PCIe interface of the target computer equipment;
the PCIe Switch chip comprises a signal input end and at least two signal output ends;
the signal input end of the PCIe Switch chip is connected with the input interface so as to receive PCIe signals sent by the PCIe interface; at least two signal output ends of the PCIe Switch chip respectively output PCIe branch signals;
at least two signal output ends of the PCIe Switch chip are respectively connected to the signal input ends of the corresponding interface conversion chips;
and the signal output end of each interface conversion chip is connected to the corresponding output interface so as to be connected with external equipment through the output interface.
In a possible implementation, the interface expansion board further includes a DC-DC power supply module:
and the DC-DC power supply module is connected with the input interface and provides electric energy for the interface expansion board card.
In one possible implementation, the interface expansion board is in the form of a PCIe AIC board.
In a possible implementation manner, the interface expansion board card is in an OCP buckle form.
In one possible embodiment, the input interface is in the form of a gold finger interface.
In one possible embodiment, the input interface is in the form of an OCP connector interface.
In one possible implementation, the interface conversion chip includes: PCIe-SATA interface conversion chip, PCIe-USB interface conversion chip, PCIe-LAN interface conversion chip, PCIe-Video interface conversion chip, PCIe-Audio interface conversion chip and PCIe-UART interface conversion chip.
In a possible implementation, the output interface includes a board interface and an external device interface;
the board interface is connected with the interface conversion chip and comprises a SATA interface, a USB interface, a LAN interface, a Video interface, an Audio interface and a UART interface;
the external equipment interface is connected with the board card interface and is used for accessing different external equipment.
In a possible embodiment, the SATA interface is a SATA-7P or MiniSAS HD interface; the USB interface adopts a USB TYPE-A interface; the LAN interface adopts an RJ45 interface; the Video interface adopts a DB11 interface; the Audio interface adopts an Audio Jack interface.
In one possible implementation, the external device interface is in the form of a gold finger interface;
or, the external device interface adopts an interface form of an OCP connector.
The technical scheme provided by the application can comprise the following beneficial effects:
this interface extension integrated circuit board includes: the system comprises an input interface, a PCIe Switch chip, an interface conversion chip and an output interface, wherein the input interface is used for accessing a PCIe interface of target computer equipment; the PCIe Switch chip comprises a signal input end and at least two signal output ends; the signal input end of the PCIe Switch chip is connected with the input interface so as to receive a PCIe signal sent by the PCIe interface; at least two signal output ends of the PCIe Switch chip respectively output PCIe branch signals; at least two signal output ends of the PCIe Switch chip are respectively connected to the signal input ends of the corresponding interface conversion chip; and the signal output end of each interface conversion chip is connected to the corresponding output interface so as to be connected with external equipment through the output interface. In a processor platform without an integrated bridge chip and an adaptable external expansion bridge chip, the bridge chip is replaced in a board card mode, interfaces of various types are not required to be independently designed on a mainboard, the expansion of the interfaces can be realized, the complexity of the design of the mainboard is simplified, and the occupation of the space of a printed circuit board is reduced.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram illustrating a topology of an interface expansion board according to an exemplary embodiment.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all 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 application.
It should be understood that in the description of the embodiments of the present application, the term "correspond" may indicate that there is a direct correspondence or an indirect correspondence between the two, may also indicate that there is an association between the two, and may also indicate and be indicated, configured and configured, and the like.
Fig. 1 is a block diagram illustrating a topology of an interface expansion board according to an exemplary embodiment. As shown in fig. 1, the interface expansion board includes: the system comprises an input interface, a PCIe Switch chip, an interface conversion chip and an output interface;
wherein, the input interface is used for accessing a PCIe interface of the target computer equipment;
the PCIe Switch chip comprises a signal input end and at least two signal output ends;
the signal input end of the PCIe Switch chip is connected with the input interface so as to receive PCIe signals sent by the PCIe interface; at least two signal output ends of the PCIe Switch chip respectively output PCIe branch signals;
at least two signal output ends of the PCIe Switch chip are respectively connected to the signal input ends of the corresponding interface conversion chips;
and the signal output end of each interface conversion chip is connected to the corresponding output interface so as to be connected with external equipment through the output interface.
Further, the input interface, the PCIe Switch chip, the interface conversion chip, and the output interface are connected in sequence, and the input interface is used to input PCIe signals; the PCIe Switch chip is used for dividing the input PCIe signal into a plurality of PCIe branch signals; the interface conversion chip is used for converting PCIe interface protocols corresponding to the PCIe branch signals into different interface protocols respectively; the output interface is used for connecting the PCIe signal to different external devices according to various interface protocols.
Furthermore, PCIe (peripheral component interconnect express) is a high-speed serial computer expansion bus standard, and by virtue of its characteristics of high efficiency and strong versatility, PCIe is widely applied to the computer, server, and storage industries as a common interface.
Further, to solve the contradiction between the limited PCIe interface and the increasing functional and performance requirements, the PCIe Switch chip may be used to extend the PCIe interface. Common modes supported by the PCIe Switch chip are basemode, vsmodo, ntmode and fabric modes. Wherein basemode is a common mode. basemode is to expand one uplink port into multiple downlink ports, and is the most common application to realize one expansion and multiple applications.
In a possible implementation, the interface expansion board further includes a DC-DC power supply module:
the DC-DC power supply module is connected with the input interface and provides electric energy for the interface expansion board card.
In one possible embodiment, the interface expansion board is in the form of a PCIe AIC board.
In one possible implementation, the interface expansion board is in the form of an OCP card.
In one possible embodiment, the input interface takes the form of a gold finger interface.
In one possible embodiment, the input interface takes the form of an OCP connector interface.
In one possible implementation, the interface conversion chip includes: a PCIe-SATA interface conversion chip (corresponding to the PCIe-SATA chip in fig. 1), a PCIe-USB interface conversion chip (corresponding to the PCIe-USB chip in fig. 1), a PCIe-LAN interface conversion chip (corresponding to the PCIe-LAN chip in fig. 1), a PCIe-Video interface conversion chip (corresponding to the PCIe-Video chip in fig. 1), a PCIe-Audio interface conversion chip (corresponding to the PCIe-Audio chip in fig. 1), and a PCIe-UART interface conversion chip (corresponding to the PCIe-UART chip in fig. 1).
In a possible embodiment, the output interface includes a board interface and an external device interface (the external device interface only corresponds to the output interface in fig. 1);
the board interface is connected to the interface conversion chip, as shown in fig. 1, and includes a SATA interface, a USB interface, a LAN interface, a Video interface, an Audio interface, and a UART interface;
the external equipment interface is connected with the board card interface and is used for accessing different external equipment.
In a possible implementation, the SATA interface is a SATA-7P or MiniSAS HD interface; the USB interface adopts a USB TYPE-A interface; the LAN interface adopts an RJ45 interface; the Video interface adopts a DB11 interface; the Audio interface employs an Audio Jack interface.
In one possible implementation, the external device interface is in the form of a gold finger interface;
alternatively, the external device interface may be in the form of an OCP connector.
Further, in practical applications, for some processors which do not have an integrated bridge chip inside or an adaptable external expansion bridge chip, the interface expansion board disclosed in the present application may be used to expand an interface, an input interface of the interface expansion board is connected to a PCIe interface of a target computing device on one hand, and inputs a PCIe signal of the target computing device to the interface expansion board, and is connected to the DC-DC power supply module on the other hand, and the DC-DC power supply module supplies electric energy to the interface expansion board. The port expansion board card is not limited to the PCIe AIC board card form and the PCIe AIC board card form, and can also be in other board card forms. Similarly, the input interface is not limited to the interface form using gold fingers and the interface form using an OCP connector, and may be other interface forms.
Further, after the interface expansion board card inputs the PCIe signal of the target computer device, the PCIe Switch chip receives the input PCIe signal and divides the input PCIe signal into multiple PCIe branch signals, so that the PCIe Switch chip can divide a single PCIe Port interface of the target computer device into multiple PCIe Port interfaces for use by subsequent chips.
Furthermore, after the PCIe Switch chip divides the PCIe signal into multiple PCIe branch signals, the interface conversion chip converts PCIe interface protocols corresponding to the PCIe branch signals into different interface protocols, respectively, so as to connect different interfaces. The interface conversion chip comprises a PCIe-SATA interface conversion chip, a PCIe-USB interface conversion chip, a PCIe-LAN interface conversion chip, a PCIe-Video interface conversion chip, a PCIe-Audio interface conversion chip, a PCIe-UART interface conversion chip and the like, and the interface conversion chip is a special bridge chip.
Illustratively, taking the PCIe-SATA interface conversion chip as an example, the PCIe-SATA interface conversion chip obtains the PCIe interface protocol through the PCIe branch signal correspondingly connected thereto, and converts the PCIe interface protocol into the SATA interface protocol, so as to access the external device having the SATA interface.
Illustratively, taking the PCIe-USB interface conversion chip as an example, the PCIe-USB interface conversion chip obtains the PCIe interface protocol through the PCIe branch signal correspondingly connected thereto, and converts the PCIe interface protocol into the USB interface protocol, so as to access the external device having the USB interface.
Therefore, the interface conversion chip can convert the PCIe interface protocol into a SATA interface protocol, a USB interface protocol, a LAN interface protocol, a Video interface protocol, an Audio interface protocol, a UART interface protocol, and the like.
Furthermore, after the interface conversion chip converts the PCIe interface protocols corresponding to the PCIe branch signals into different interface protocols, respectively, the board interface and the external device interface in the output interface access the PCIe signals to different external devices according to the interface protocols, where the board interface includes a SATA interface, a USB interface, a LAN interface, a Video interface, an Audio interface, a UART interface, and the like, each board interface corresponds to one external device interface, and the external device interface can access the interface expansion board to different external devices. Similarly, the external device interface is not limited to the interface form using the gold finger and the interface form using the OCP connector, and may be other interface forms.
Illustratively, taking a SATA interface as an example, one end of the SATA interface is correspondingly connected to a PCIe-SATA interface conversion chip, and the other end of the SATA interface is correspondingly connected to a SATA external device interface, and is connected to an external device having the SATA interface through the SATA external device interface.
For example, taking a USB interface as an example, one end of the USB interface is correspondingly connected to a PCIe-USB interface conversion chip, and the other end of the USB interface is correspondingly connected to a USB external device interface, and is connected to an external device having a USB interface through the USB external device interface.
To sum up, the interface expansion board card includes: the system comprises an input interface, a PCIe Switch chip, an interface conversion chip and an output interface, wherein the input interface is used for accessing a PCIe interface of target computer equipment; the PCIe Switch chip comprises a signal input end and at least two signal output ends; the signal input end of the PCIe Switch chip is connected with the input interface so as to receive a PCIe signal sent by the PCIe interface; at least two signal output ends of the PCIe Switch chip respectively output PCIe branch signals; at least two signal output ends of the PCIe Switch chip are respectively connected to the signal input ends of the corresponding interface conversion chip; and the signal output end of each interface conversion chip is connected to the corresponding output interface so as to be connected with external equipment through the output interface. In a processor platform without an integrated bridge chip and an adaptable external expansion bridge chip, the bridge chip is replaced in a board card mode, interfaces of various types are not required to be independently designed on a mainboard, the expansion of the interfaces can be realized, the complexity of the design of the mainboard is simplified, and the occupation of the space of a printed circuit board is reduced.
In addition, the interface extension integrated circuit board can be designed into a standard integrated circuit board, can adapt to a plurality of mainboard systems, saves development cycle and test cost, can also be reused, and when a problem occurs, the interface extension integrated circuit board can be directly replaced, so that the whole mainboard does not need to be replaced, thereby causing resource waste.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements that have been described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. The utility model provides an interface extension integrated circuit board, its characterized in that, interface extension integrated circuit board includes: the system comprises an input interface, a PCIe Switch chip, an interface conversion chip and an output interface;
wherein the input interface is used for accessing a PCIe interface of the target computer equipment;
the PCIe Switch chip comprises a signal input end and at least two signal output ends;
the signal input end of the PCIe Switch chip is connected with the input interface so as to receive PCIe signals sent by the PCIe interface; at least two signal output ends of the PCIe Switch chip respectively output PCIe branch signals;
at least two signal output ends of the PCIe Switch chip are respectively connected to the signal input ends of the corresponding interface conversion chips;
and the signal output end of each interface conversion chip is connected to the corresponding output interface so as to be connected with external equipment through the output interface.
2. The interface expansion board of claim 1, wherein the interface expansion board further comprises a DC-DC power supply module:
and the DC-DC power supply module is connected with the input interface and provides electric energy for the interface expansion board card.
3. The interface expansion board of claim 1, wherein the interface expansion board is in the form of a PCIe AIC board.
4. The interface expansion board of claim 1, wherein the interface expansion board is in the form of an OCP snap.
5. The interface expansion board of claim 1, wherein the input interface is in the form of a gold finger interface.
6. The interface expansion board of claim 1, wherein the input interface is in the form of an OCP connector interface.
7. The interface expansion board of claim 1, wherein the interface conversion chip comprises: PCIe-SATA interface conversion chip, PCIe-USB interface conversion chip, PCIe-LAN interface conversion chip, PCIe-Video interface conversion chip, PCIe-Audio interface conversion chip and PCIe-UART interface conversion chip.
8. The interface expansion board according to any one of claims 1 to 7, wherein the output interface includes a board interface and an external device interface;
the board card interface is connected with the interface conversion chip and comprises an SATA interface, a USB interface, a LAN interface, a Video interface, an Audio interface and a UART interface;
the external equipment interface is connected with the board card interface and is used for accessing different external equipment.
9. The interface expansion board of claim 8, wherein the SATA interface is a SATA-7P or MiniSAS HD interface; the USB interface adopts a USB TYPE-A interface; the LAN interface adopts an RJ45 interface; the Video interface adopts a DB11 interface; the Audio interface adopts an Audio Jack interface.
10. The interface expansion board of claim 8, wherein the external device interface is in the form of a gold finger interface;
or, the external device interface adopts an interface form of an OCP connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001902.6U CN218647390U (en) | 2022-11-10 | 2022-11-10 | Interface expansion board card |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223001902.6U CN218647390U (en) | 2022-11-10 | 2022-11-10 | Interface expansion board card |
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| CN218647390U true CN218647390U (en) | 2023-03-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117407348A (en) * | 2023-12-15 | 2024-01-16 | 成都电科星拓科技有限公司 | PCIe self-adaptive switching method and device, storage medium and electronic equipment |
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- 2022-11-10 CN CN202223001902.6U patent/CN218647390U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117407348A (en) * | 2023-12-15 | 2024-01-16 | 成都电科星拓科技有限公司 | PCIe self-adaptive switching method and device, storage medium and electronic equipment |
| CN117407348B (en) * | 2023-12-15 | 2024-03-22 | 成都电科星拓科技有限公司 | PCIe self-adaptive switching method and device, storage medium and electronic equipment |
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