阅读说明：本技术 两端异构的多通道pcie转接卡 (Multi-channel PCIE (peripheral component interface express) adapter card with two heterogeneous ends ) 是由 马赛 蒿杰 赵良田 舒琳 胡文庆 宋亚芳 范秋香 于 2020-04-22 设计创作，主要内容包括：本发明属于电子设备技术领域,具体涉及一种两端异构的多通道PCIE转接卡,旨在解决现有技术中PCIE转接卡无法满足通讯设备接口的多样化需求的问题。本发明提供的转接卡通过多路复用器控制模块连接输入端和输出端,输入端用过PCIE数据位控制模块选择配置PCIE金手指的数据位,输出端能够支持PCIE扩展插槽、ERmet ZD连接器、QSFP光纤模块多通道,能够适用于PCIE1.0-4.0,不仅可以兼容更宽速率范围的信号传输,更打破了传统PCIE转接卡扩展仅仅局限于PCIE插槽的方式,增加了I/O扩展的种类,可满足服务器、储存系统多种配置的扩展需求,避免现有技术中预留的专门扩展卡接口不足而带来的诸多不便,节约主板空间,且能够有效降低产品的开发成本,具有广泛的应用前景。(The invention belongs to the technical field of electronic equipment, particularly relates to a multi-channel PCIE adapter card with two heterogeneous ends, and aims to solve the problem that the PCIE adapter card in the prior art cannot meet the diversified requirements of communication equipment interfaces. The switching card provided by the invention is connected with the input end and the output end through the multiplexer control module, the input end uses the PCIE data bit control module to select and configure data bits of a PCIE golden finger, the output end can support multiple channels of a PCIE expansion slot, an ERmet ZD connector and a QSFP optical fiber module, and can be suitable for 1.0-4.0 of PCIE, not only can be compatible with signal transmission in a wider speed range, but also breaks through the way that the expansion of the traditional PCIE switching card is only limited to the PCIE slot, increases the types of I/O expansion, can meet the expansion requirements of multiple configurations of a server and a storage system, avoids a plurality of inconveniences caused by insufficient reserved special expansion card interfaces in the prior art, saves the space of a mainboard, can effectively reduce the development cost of products, and has wide application prospect.)

1. The multi-channel PCIE adapter card with two heterogeneous ends is characterized in that the adapter card comprises an input end and an output end, and the input end and the output end are connected through a multiplexing control module;

the input end comprises a PCIE golden finger and a PCIE data bit control module, and the PCIE golden finger is connected with the PCIE data bit control module;

the output end comprises a PCIE expansion slot, an ERmet ZD connector and a QSFP optical fiber module, and the PCIE golden finger is respectively connected with the PCIE expansion slot, the ERmet ZD connector and the QSFP optical fiber module through the multiplexer control module.

2. The multi-channel PCIE switch card with two heterogeneous ends according to claim 1, wherein the multiplexing control module includes a 4-channel high-performance differential switch module and a power supply module, and the power supply module is connected to the 4-channel high-performance differential switch module.

3. The multi-channel PCIE adapter card having two different ends according to claim 2, wherein the 4-channel high-performance differential switch module includes a plurality of 4-channel high-performance differential switches and a single chip microcomputer, the plurality of 4-channel high-performance differential switches are connected to the single chip microcomputer, and the plurality of 4-channel high-performance differential switches are connected to the output terminal.

4. The multi-channel PCIE adapter card having two heterogeneous ends according to claim 1, wherein the input end further includes an external power supply module, and the external power supply module is connected to the PCIE gold finger.

5. The multi-channel PCIE adapter card with two heterogeneous ends as claimed in claim 1, wherein said golden finger is a PCIE X16 golden finger.

6. The multi-channel PCIE adapter card with two heterogeneous ends as claimed in claim 5, wherein said PCIE data bit control module includes first to fourth resistors, and said first to fourth resistors are connected with four data bit detection signals on said PCIE golden finger in a one-to-one correspondence.

7. The multi-channel PCIE adapter card with two heterogeneous ends as claimed in claim 6, wherein said PCIE expansion slot is a 16-bit PCIE standard slot.

8. The multi-channel PCIE adapter card with two heterogeneous ends according to claim 7, wherein said QSFP fiber optic modules include two QSFP fiber optic modules.

9. The multi-channel PCIE adapter card with two heterogeneous ends according to claim 4, wherein the external power module comprises a power connector and a magnetic bead.

10. The multi-channel PCIE adapter card with two heterogeneous ends according to claim 9, wherein there are two magnetic beads, and the two magnetic beads are respectively used for selecting a power supply mode of the adapter card.

Technical Field

The invention belongs to the technical field of electronic equipment, and particularly relates to a multi-channel PCIE adapter card with two heterogeneous ends.

Background

PCI express (peripheral component interconnect express) is a high-speed serial computer expansion bus standard, proposed by intel in 2001, developed to the PCIE4.0 technology, and has become a standard interface of a CPU. In the prior art, a PCI-Express hardware connector is mainly a PCIE slot, and includes multiple specifications such as X1, X4, X8, and X16. With the rapid development of artificial intelligence technology and the continuous update of PCIE technology, various communication devices based on PCIE protocols are in use, and a PCIE adapter card for bridging data transmission between the communication devices and a CPU has become a demand of the times. However, the extension of the existing PCIE is only limited to the form of using PCIE slots, which cannot meet the requirement of diversification of interfaces of the communication device, and cannot meet the requirement of signal exchange rate between the communication device and the CPU.

Disclosure of Invention

In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that the PCIE switch card in the prior art cannot meet the diversified requirements of the interfaces of the communication devices, the present invention provides a multi-channel PCIE switch card with two heterogeneous ends, which includes: the input end and the output end are connected through a multiplexing control module;

the input end comprises a PCIE golden finger and a PCIE data bit control module, and the PCIE golden finger is connected with the PCIE data bit control module;

the output end comprises a PCIE expansion slot, an ERmet ZD connector and a QSFP optical fiber module, and the PCIE golden finger is respectively connected with the PCIE expansion slot, the ERmet ZD connector and the QSFP optical fiber module through the multiplexing control module.

In some preferred technical solutions, the multiplexing control module includes a 4-channel high-performance differential switch module and a power supply module, and the power supply module is connected to the 4-channel high-performance differential switch module.

In some preferred technical solutions, the 4-channel high-performance differential switch module includes a plurality of 4-channel high-performance differential switches and a single chip microcomputer, the plurality of 4-channel high-performance differential switches are respectively connected to the single chip microcomputer, and the plurality of 4-channel high-performance differential switches are connected to the output terminal.

In some preferred technical solutions, the input end further includes an external power module, and the external power module is connected to the PCIE gold finger.

In some preferred technical solutions, the gold finger is a PCIE X16 gold finger.

In some preferred technical solutions, the PCIE data bit control module includes first to fourth resistors, and the first to fourth resistors are connected to the four data bit detection signals on the PCIE gold finger in a one-to-one correspondence.

In some preferred technical solutions, the PCIE expansion slot is a 16-bit PCIE standard slot.

In some preferred embodiments, the QSFP fiber optic modules include two QSFP fiber optic modules.

In some preferred technical solutions, the external power supply module includes a power supply connector and a magnetic bead.

In some preferred technical solutions, the number of the magnetic beads is two, and the two magnetic beads are respectively used for selecting a power supply mode of the adapter card.

The invention has the beneficial effects that:

according to the multi-channel PCIE adapter card with the two heterogeneous ends, the input end and the output end are connected through the multiplexing module, the I/O transmission path is configured through the single chip microcomputer, signal transmission in a wider rate range can be compatible, the mode that the expansion of the traditional PCIE adapter card is only limited in PCIE slots is broken through, the types of I/O expansion are increased, the ERmet ZD connector is provided with a high-speed cable in a matching mode, the flexibility of system configuration is increased, the I/O resources of the PCIE are greatly expanded, and the expansion requirements of users are met.

The multi-channel structure with two heterogeneous ends can enable the adapter card to be suitable for PCIE1.0-4.0, can meet the expansion requirements of various configurations of a server and a storage system, avoids various inconveniences caused by insufficient reserved special expansion card interfaces in the prior art, saves the space of a mainboard, can effectively reduce the development cost of products, and has wide application prospect.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a multi-channel PCIE adapter card with two heterogeneous terminals according to an embodiment of the present invention.

Detailed Description

In order to make the embodiments, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.

The invention discloses a multi-channel PCIE adapter card with two heterogeneous ends, which comprises: the input end and the output end are connected through a multiplexing control module;

the input end comprises a PCIE golden finger and a PCIE data bit control module, and the PCIE golden finger is connected with the PCIE data bit control module;

the output end comprises a PCIE expansion slot, an ERmet ZD connector and a QSFP (Quad Small Form-factor plug) optical fiber module, and the PCIE golden finger is respectively connected with the PCIE expansion slot, the ERmet ZD connector and the QSFP optical fiber module through the multiplexing control module. Wherein, the ERmet ZD connector is a backplane connector of ERNI company; the QSFP optical fiber module is a four-channel small pluggable optical fiber module.

In order to more clearly describe the multi-channel PCIE adapter card with two heterogeneous ends of the present invention, a preferred embodiment of the present invention is described in detail below with reference to the accompanying drawings.

As a preferred embodiment of the present invention, a multi-channel PCIE switch card with heterogeneous two ends of the present invention is shown in fig. 1, where the multi-channel PCIE switch card with heterogeneous two ends of the present invention includes an input end and an output end, and further, the input end and the output end are connected through a multiplexing control module;

specifically, the input end includes a PCIE gold finger and a PCIE data bit control module, where in a preferred embodiment of the present invention, the PCIE gold finger uses a standard PCIE X16 gold finger, a signal is introduced by the PCIE gold finger, the PCIE gold finger is connected to the PCIE data bit control module, and the PCIE data bit control module is configured to control data bit control of the CPU and the PCIE adapter card.

In a preferred embodiment of the present invention, the PCIE data bit control module includes first to fourth resistors, the first to third resistors are disconnected from the first to third data bits of the PCIE gold finger, and the fourth resistor is connected to the fourth data bit detection signal on the PCIE gold finger. Specifically, the PCIE data bit control module is a configuration module formed by four resistors, and four signals, i.e., PRSNT2#1, PRSNT2#2, PRSNT2#3, and PRSNT2#4, on the PCIE gold finger are respectively connected to the four resistors R1, R2, R3, and R4 in the PCIE data bit control module, and respectively correspond to selection of PCIE X2, PCIE X4, PCIE X8, and PCIE X16 data bits.

Furthermore, the output end of the multi-channel PCIE adapter card with two heterogeneous ends of the present invention includes a PCIE expansion slot, an erm ZD connector, and a QSFP optical fiber module, and the PCIE golden finger is connected to the PCIE expansion slot, the erm ZD connector, and the QSFP optical fiber module through a multiplexing control module, respectively. In the preferred embodiment of the present invention, the erm ZD connector is designed to support high-speed differential application with a speed up to 12.5Gbps, and belongs to a high-speed ZD connector, and the high-speed cable matched with the erm ZD connector can increase the flexibility of system configuration, thereby greatly expanding the I/O resources of PCIE and meeting the expansion requirements of users.

The multiplexing control module is used for controlling the output path of the multi-channel PCIE adapter card with two heterogeneous ends, and comprises a 4-channel high-performance differential switch module and a power supply module, wherein the power supply module is connected with the 4-channel high-performance differential switch module. Specifically, the 4-channel high-performance differential switch module comprises a plurality of 4-channel high-performance differential switches and a single chip microcomputer, the 4-channel high-performance differential switches are respectively connected with the single chip microcomputer, and the 4-channel high-performance differential switches are connected with the output ends of the multi-channel PCIE adapter cards with different two ends. Furthermore, each 4-channel high-performance differential switch in the 4-channel high-performance differential switch module can switch four differential channels, and can be divided into two complete PCI Express channels at two target positions from one source in CPU application, and the single chip microcomputer is used for configuring a plurality of 4-channel high-performance differential switches and further controlling each channel output of the 4-channel high-performance differential switches.

Further, in a preferred embodiment of the present invention, the power supply module outputs a 3.3V voltage, one part of the power supply module is used for a signal pull-up power supply of the PCIE, one part of the power supply module is used for a 4-channel high-performance differential switch to supply power, and the other part of the power supply module is used for a power supply of the single chip microcomputer.

In some preferred embodiments, the PCIE expansion slot is a 16-bit PCIE standard slot, and is compatible with X2, X4, X8, and X16.

Further, the erm ZD connector of the preferred embodiment of the present invention can transmit 20 pairs of differential I/O signals, where 16 pairs are used to connect PCIE I/O signals, one pair is used for PCIE clock transmission, and the other is used for single-ended signal configuration.

The QSFP fiber optic modules of the preferred embodiment of the present invention include two QSFP fiber optic modules. Specifically, each fiber optic module supports 8 pairs of differential, requiring a total of two QSFP fiber optic modules.

In some preferred embodiments, the input end of the multi-channel PCIE adapter card with two heterogeneous ends further includes an external power module, the external power module is connected to the PCIE gold finger for external input, the external power module includes a power connector and two magnetic beads, preferably, the two magnetic beads are respectively used for selecting a power supply mode of the PCIE adapter card of the present invention, and specifically, the PCIE gold finger external 12V power supply or the PCIE gold finger 12V direct power supply can be selected through configuration of the two magnetic beads F1/F2.

Referring to fig. 1, the working process of the multi-channel PCIE adapter card with two heterogeneous ends of the present invention is as follows: the signal is introduced by an input end PCIE golden finger, and the selection of the PCIE I/O data bit at the CPU end is configured through the selection of a resistor in the PCIE data bit control module. Wherein R1 corresponds to PCIE X2; r2 corresponds to PCIE X4; r3 corresponds to PCIE X8; r4 selects one of the resistors corresponding to PCIE X16, thereby selecting a data bit.

Further, the invention connects the input end and the output end through a multiplexing control module, the multiplexing control module is used for controlling the output path, and comprises a 4-channel high-performance differential switch module and a single chip microcomputer, and specifically, the 4-channel high-performance differential switch module is composed of a plurality of 4-channel high-performance differential switches and the single chip microcomputer. And the channel control bits (SEL setting PIN) of all the 4-channel high-performance differential switches are connected to the data port of the single chip microcomputer, and the output of each channel of the 4-channel high-performance differential switches is controlled by the single chip microcomputer. The single chip microcomputer can control the 4-channel high-performance differential switch to output three modes, wherein the mode I is used for selecting an output path of the PCIE expansion slot, the mode II is used for selecting an output path of the ERmet ZD connector, and the mode III is used for selecting an output path of the QSFP optical fiber module.

The output end of the PCIE switching card comprises three transmission channels: the first channel is used for transmitting the PCIE golden finger to the PCIE expansion slot through the multiplexing control module and is used for communication equipment in a PCIE golden finger connection mode; the PCIE golden finger is transmitted to the ERmet ZD connector through the multiplexing control module and is used for communication equipment in the connection mode of the ERmet ZD connector; and a third channel, wherein the PCIE golden finger is transmitted to the QSFP optical fiber module through the multiplexing control module and is used for communication equipment in a QSFP optical fiber module connection mode.

In the technical solution in the embodiment of the present application, at least the following technical effects and advantages are provided:

the multi-channel PCIE adapter card with two heterogeneous ends configures an I/O transmission path by connecting the input end and the output end through the multiplexer module, not only can be compatible with signal transmission in a wider speed range, but also breaks through the mode that the expansion of the traditional PCIE adapter card is only limited to PCIE slots, increases the types of I/O expansion, and increases the flexibility of system configuration because the ERmet ZD connector is provided with a high-speed cable, thereby greatly expanding the I/O resources of PCIE and meeting the expansion requirements of users.

The multi-channel structure with two heterogeneous ends can enable the adapter card to be suitable for PCIE1.0-4.0, can meet the expansion requirements of various configurations of a server and a storage system, avoids various inconveniences caused by insufficient reserved special expansion card interfaces in the prior art, saves the space of a mainboard, can effectively reduce the development cost of products, and has wide application prospect.

It should be noted that in the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicating the directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "comprises," "comprising," or any other similar term are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.