Network switching equipment based on Machifeimici NF5180

Abstract

The utility model discloses a network switching device based on Mangfeiwi NF5180, belongs to the technical field of signal processing systems, and is used for solving the technical problems that core devices such as a processor and a chipset excessively depend on import, the hardware cost is high, resource dependence is easily caused, and the industrial development is influenced. Comprising a Machifii NF5180 chip which is connected with a DDR4 memory through a DDR4A bus, is connected with a CPLD through an IIC / SPI bus, is connected with an Ethernet PHY chip through an RGMII bus, is connected with a network management port, is connected with an RS232 debugging port through a UART serial port, is connected with a USB2.0 interface through a USB serial port, is connected with four paths of SFP + optical interfaces through an SFI interface, is connected with six RTL8218E chips through six paths of O-USGMII interfaces, and is further connected with 48 paths of network electrical interfaces through an isolation transformer. The RTL8238B chip is associated with the electrical interface through the inter-board connector, and the PSE chip supplies power to the electrical interface.

Description

Technical Field

[0001] This application relates to the technical field of signal processing systems, and more particularly to a network switching device based on Nanfei Micro NF5180. Background Technology

[0002] With the continuous advancement of information technology, especially the booming development of emerging technologies such as the Internet, terminal equipment technology, cloud computing, and big data since the 21st century, human society has entered a new era of information explosion. The rapid growth of data has placed higher demands on data storage, processing, and application capabilities, while also significantly boosting the market demand and development potential of data storage products, including servers and storage devices. However, given that my country's computer information technology development started relatively late and its technological foundation is relatively weak, the server products currently circulating in the Chinese market mainly rely on foreign processor chip solutions (such as Intel, AMD, and HP). Even when some servers use domestically produced processor chips, their core chipsets are mostly foreign products.

[0003] The reliance on foreign suppliers for core server components (including processors and chipsets) prevents independent control, posing a significant information security risk and resulting in exorbitant hardware costs. Furthermore, complete dependence on imports for critical components like processors and chipsets can lead to resource dependency issues. Changes in the international environment could result in a severe situation where no chips are available or alternatives, impacting industrial development and hindering the process of domestic production.

[0004] In view of this, we propose a network switching device solution based on Nanfei Micro NF5180, which aims to effectively address the above problems. Utility Model Content

[0005] This application provides a network switching device based on Nanfei Micro NF5180 to solve the following technical problems: excessive reliance on imports for core components such as processors and chipsets, resulting in high hardware costs, resource dependence, and hindering industrial development.

[0006] The embodiments of this application adopt the following technical solutions:

[0007] On one hand, this application provides a network switching device based on the Nanfei Micro NF5180, including: a Nanfei Micro NF5180 chip, DDR4 memory, an Ethernet PHY chip, one RS232 debugging port, one 100 / 1000M adaptive network management port, one USB 2.0 interface, onboard flash, CPLD, four SFP+ optical interfaces, six RTL8218E chips, six RTL8238B chips, an isolation transformer, inter-board connectors, 48 ​​network electrical interfaces, and a PSE chip; the Nanfei Micro NF5180 chip is connected to the DDR4 memory via a DDR4A bus; the Nanfei Micro NF5180 chip is connected to the CPLD via an IIC / SPI bus; the Nanfei Micro NF5180 chip is connected to the Ethernet PHY chip via an RGMII bus. The connections are as follows: The Nanfei Micro NF5180 chip is connected to one RS232 debugging port via a UART serial port; the Nanfei Micro NF5180 chip is connected to one USB 2.0 interface via a USB serial port; the Nanfei Micro NF5180 chip is connected to one 100 / 1000M adaptive network management port via an Ethernet PHY chip; the Nanfei Micro NF5180 chip is connected to four SFP+ optical interfaces via an SFI interface; the Nanfei Micro NF5180 chip is connected to six RTL8218E chips via six O-USGMII interfaces; the six RTL8218E chips are connected to 48 network electrical interfaces via isolation transformers; the six RTL8238B chips are connected to 48 network electrical interfaces via inter-board connectors; and the 48 network electrical interfaces are connected to the PSE chip.

[0008] In one feasible implementation, the onboard flash includes NOR Flash and Nand Flash; the Nanfei Micro NF5180 chip is connected to the NOR Flash via the SPI0 bus; the Nanfei Micro NF5180 chip is connected to the Nand Flash via the SPI1 bus.

[0009] In one feasible implementation, the onboard flash is used to load BIOS drivers and upper-layer software storage.

[0010] In one feasible implementation, the DDR4 memory model is CXDQ3BFAM-CJ-A.

[0011] In one feasible implementation, the Ethernet PHY chip is model RTL8211FSI-CG.

[0012] In one feasible implementation, the Nanfei Micro NF5180 chip is model number NF5180ACG.

[0013] In one feasible implementation, the CPLD controls the power-on sequence of the card, reset control, interrupts, and I / O extensions.

[0014] This application provides a network switching device based on the Nanfei Micro NF5180. Compared with the prior art, the embodiments of this application have the following beneficial technical effects:

[0015] This application provides a network switching device based on the Nanfei Micro NF5180, which integrates the high-performance Nanfei Micro NF5180 chip and other high-quality components, providing powerful data processing and network switching capabilities. Through various serial port and storage solutions, as well as scalable CPLD control, the device can adapt to various application scenarios and needs. Based on domestically produced chips and components, it helps to promote the localization process, reduce dependence on foreign technologies, and achieve effective cost control. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. In the drawings:

[0017] Figure 1 A schematic diagram of the overall structure of a network switching device based on Nanfei Micro NF5180 provided in this application embodiment;

[0018] Figure 2 A partial structural diagram of a network switching device based on Nanfei Micro NF5180 provided in this application embodiment;

[0019] Figure 3 This is another structural schematic diagram of a network switching device based on Nanfei Micro NF5180 provided in an embodiment of this application. Detailed Implementation

[0020] To enable those skilled in the art to better understand the technical solutions in this application, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this specification, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of this application.

[0021] This application provides a network switching device based on the Nanfei Micro NF5180. Figure 1This is a schematic diagram of the overall structure of a network switching device based on Nanfei Micro NF5180, provided for an embodiment of this application.

[0022] like Figure 1-3 As shown in the figure, this application provides a network switching device based on the Nanfei Micro NF5180, including: a Nanfei Micro NF5180 chip, DDR4 memory, an Ethernet PHY chip, one RS232 debugging port, one 100 / 1000M adaptive network management port, one USB 2.0 interface, onboard flash, CPLD, four SFP+ optical interfaces, six RTL8218E chips, six RTL8238B chips, an isolation transformer, inter-board connectors, 48 ​​network electrical interfaces, and a PSE chip; the Nanfei Micro NF5180 chip is connected to the DDR4 memory via a DDR4A bus; the Nanfei Micro NF5180 chip is connected to the CPLD via an IIC / SPI bus; the Nanfei Micro NF5180 chip is connected to the Ethernet PHY chip via an RGMII bus. HY chip connections: The Nanfei Micro NF5180 chip is connected to one RS232 debugging port via UART serial port; the Nanfei Micro NF5180 chip is connected to one USB 2.0 interface via USB serial port; the Nanfei Micro NF5180 chip is connected to one 100 / 1000M adaptive network management port via Ethernet PHY chip; the Nanfei Micro NF5180 chip is connected to four SFP+ optical interfaces via SFI interface; the Nanfei Micro NF5180 chip is connected to six RTL8218E chips via six O-USGMII interfaces; the six RTL8218E chips are connected to 48 network electrical interfaces via isolation transformers; the six RTL8238B chips are connected to 48 network electrical interfaces via board-to-board connectors; the 48 network electrical interfaces are connected to the PSE chip.

[0023] The panel integrates one RS232 debugging port, one 100 / 1000M adaptive network management port, one USB 2.0 interface, four SFP+ optical interfaces, and 48 network electrical interfaces supporting PoE.

[0024] Furthermore, the onboard flash memory includes NOR Flash and Nand Flash; the Nanfei Micro NF5180 chip is connected to the NOR Flash via the SPI0 bus; the Nanfei Micro NF5180 chip is connected to the Nand Flash via the SPI1 bus.

[0025] Furthermore, the onboard flash memory is used to load BIOS drivers and store upper-level software.

[0026] Furthermore, the DDR4 memory model is CXDQ3BFAM-CJ-A.

[0027] Furthermore, the Ethernet PHY chip is model RTL8211FSI-CG.

[0028] Furthermore, the model number of the Nanfei Micro NF5180 chip is NF5180ACG.

[0029] Furthermore, the CPLD controls the power-on sequence of the card, reset control, interrupts, and I / O expansion.

[0030] Working Principle: Based on the Nanfei Micro NF5180 chip, it connects to DDR4 memory via a DDR4A serial port. The DDR4 memory uses domestic Changxin DDR4 chips, model number CXDQ3BFAM-CJ-A; it supports various memory capacities. The Nanfei Micro NF5180 chip connects to the CPLD via the IIC / SPI bus, controlling the card power-on sequence, reset control, interrupts, and I / O expansion functions. The Nanfei Micro NF5180 chip connects to NOR Flash via the SPI0 bus and to Nand Flash via the SPI1 bus, loading BIOS drivers and storing upper-layer software via onboard flash. The Nanfei Micro NF5180 chip connects to the Ethernet PHY chip via the RGMII bus, thus connecting to a 100 / 1000M adaptive network management port, realizing a 100M and 1000M Ethernet management port. The Nanfei Micro NF5180 chip connects to one USB 2.0 interface via a USB serial port and to one RS232 debugging port via a UART serial port, providing an RS232 debugging port for debugging the Nanfei Micro NF5180 chip. Six RTL8218E chips connect to 48 network interfaces via isolation transformers, preventing electrical interference and dangerous voltage conduction, thus improving system safety and stability. Six RTL8238B chips connect to the 48 network interfaces via board-to-board connectors to ensure stability at the connection points. The 48 network interfaces connect to the PSE chip to support PoE system functionality. Based on the Nanfei Micro NF5180 chip as the core solution, this product aims to replace network switching equipment solutions that use foreign chips, achieving independent control over information security and providing strong support for building national information security. It features low cost, excellent performance, high integration, low power consumption, and the ability to meet the application needs of key industries such as finance, telecommunications, and energy. Both the processor and chipset are independently designed in my country, which helps promote the localization process and reduce dependence on foreign technologies. At the same time, the product's design characteristics are more in line with independent, controllable, and secure features, better meeting information security requirements and enabling its wider application in my country's information industry and other fields.

[0031] The various embodiments in this application are described in a progressive manner. Similar or identical parts between embodiments can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments. In particular, the apparatus embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions of the method embodiments.

[0032] The foregoing has described specific embodiments of this application. Other embodiments are within the scope of the appended claims. In some cases, the actions or steps recited in the claims may be performed in a different order than that shown in the embodiments and may still achieve the desired results. Furthermore, the processes depicted in the drawings do not necessarily require the specific or sequential order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.

[0033] The above are merely embodiments of this application and are not intended to limit this application. Those skilled in the art will recognize that various modifications and variations can be made to the embodiments of this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of the embodiments of this application should be included within the scope of the claims of this application.

Claims

1. A network switching device based on Nanfei Micro NF5180, characterized in that, include: The system includes a Nanfei Micro NF5180 chip, DDR4 memory, Ethernet PHY chip, 1 RS232 debugging port, 1 100 / 1000M adaptive network management port, 1 USB 2.0 interface, onboard flash, CPLD, 4 SFP+ optical interfaces, 6 RTL8218E chips, 6 RTL8238B chips, isolation transformer, board-to-board connectors, 48 ​​network electrical interfaces, and PSE chip. The Nanfei Micro NF5180 chip is connected to the DDR4 memory via the DDR4A bus; The Nanfei Micro NF5180 chip is connected to the CPLD via the IIC / SPI bus; The Nanfei Micro NF5180 chip is connected to the Ethernet PHY chip via the RGMII bus; The Nanfei Micro NF5180 chip is connected to one RS232 debugging port via a UART serial port; The Nanfei Micro NF5180 chip is connected to one USB 2.0 interface via a USB serial port; The Nanfei Micro NF5180 chip is connected to a 100 / 1000M adaptive network management port via an Ethernet PHY chip; The Nanfei Micro NF5180 chip is connected to four SFP+ optical interfaces via the SFI interface; The Nanfei Micro NF5180 chip is connected to six RTL8218E chips through a six-channel O-USGMII interface; The six RTL8218E chips are connected to 48 network interfaces via isolation transformers; The six RTL8238B chips are connected to 48 network electrical interfaces via inter-board connectors; The 48 network electrical interfaces are connected to the PSE chip.

2. A network switching device based on Nanfei Micro NF5180 according to claim 1, characterized in that, The onboard flash memory includes NOR Flash and Nand Flash; The Nanfei Micro NF5180 chip is connected to the NOR Flash via the SPI0 bus; The Nanfei Micro NF5180 chip is connected to the Nand Flash via the SPI1 bus.

3. A network switching device based on Nanfei Micro NF5180 according to claim 2, characterized in that, The onboard flash is used to load BIOS drivers and store upper-layer software.

4. A network switching device based on Nanfei Micro NF5180 according to claim 1, characterized in that, The DDR4 memory model is CXDQ3BFAM-CJ-A.

5. A network switching device based on Nanfei Micro NF5180 according to claim 1, characterized in that, The Ethernet PHY chip is model RTL8211FSI-CG.

6. A network switching device based on Nanfei Micro NF5180 according to claim 1, characterized in that, The model number of the Nanfei Micro NF5180 chip is NF5180ACG.

7. A network switching device based on Nanfei Micro NF5180 according to claim 1, characterized in that, The CPLD controls the power-on sequence, reset control, interrupts, and I / O expansion of the card.

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