CN219041797U

CN219041797U - Network interface conversion device and system

Info

Publication number: CN219041797U
Application number: CN202223570353.4U
Authority: CN
Inventors: 张武生; 张敬锋; 刘明良
Original assignee: BDstar Intelligent and Connected Vehicle Technology Co Ltd
Current assignee: BDstar Intelligent and Connected Vehicle Technology Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-16
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a network interface conversion device and a system, wherein the network interface conversion device comprises a conversion chip, and the conversion chip comprises at least one PCIE interface and at least two network interfaces; the PCIE interface is connected with the control module of the automobile, and the network interface is used for being connected with the functional module of the automobile. The utility model can expand the number of network interfaces and meet the use requirement.

Description

Network interface conversion device and system

Technical Field

The present utility model relates to the field of automotive technologies, and in particular, to a network interface conversion device and system.

Background

Nowadays, the more and more functions of automobiles are provided, the more and more complex the system is, and at the same time, the more and more functions are dependent on a network, so that the requirement on the transmission rate of the network is also higher and higher. The network interface of the current common CPU chip generally has only one RGMII interface or one RMII interface, and can only be connected with one functional module, so that the use requirement cannot be met.

Disclosure of Invention

The utility model provides a network interface conversion device and a system, which aim to solve the problem that the number of network interfaces of a CPU chip of an existing automobile cannot meet the use requirement.

In a first aspect, the present utility model provides a network interface conversion device, where the network interface conversion device includes a conversion chip, where the conversion chip includes at least one PCIE interface and at least two network interfaces; the PCIE interface is connected with the control module of the automobile, and the network interface is used for being connected with the functional module of the automobile.

Further, the conversion chip includes four of the network interfaces.

Further, the four network interfaces include three hundred meganetwork interfaces and one gigabit network interface.

Further, the conversion chip further comprises an SPI communication interface, and the SPI communication interface is connected with the control module.

Further, the SPI communication interface comprises a reset pin, and the reset pin is connected with the control module.

Further, the SPI communication interface further comprises a wake-up pin, and the wake-up pin is connected with the control module.

Further, the SPI communication interface further comprises an interrupt pin, and the interrupt pin is connected with the control module.

Further, the device also comprises a storage module, wherein the storage module is connected with the conversion chip.

Further, the storage module is a FLASH chip.

In a second aspect, the present utility model further provides a network interface conversion system, where the network interface conversion system includes a control module, at least one functional module, and a network interface conversion device according to any one of the above.

The network interface conversion device and the system provided by the utility model can be connected with the control module of the automobile through the PCIE interface and connected with the functional module through the network interface, so that the functional module can communicate with the control module, and can be simultaneously connected with a plurality of functional modules, thereby expanding the number of network interfaces.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a block diagram of a network interface conversion device according to an embodiment of the utility model;

fig. 2 is a block diagram of a network interface conversion system according to an embodiment of the utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1 to fig. 2, fig. 1 is a block schematic diagram of a network interface conversion device 10 according to an embodiment of the utility model; fig. 2 is a block diagram of a network interface conversion system according to an embodiment of the utility model.

As shown in fig. 1, the network interface conversion device 10 provided by the present utility model includes a conversion chip 11, where the conversion chip 11 includes at least one PCIE interface and at least two network interfaces; the PCIE interface is connected to the control module 20 of the automobile, and the network interface is used to connect to the functional module 30 of the automobile.

Specifically, one end of the conversion chip 11 is connected to the CPU of the control module 20 through a PCIE interface, and the PCIE interface and the CPU of the conversion chip 11 may be connected through three sets of differential data lines, so that the circuit structure may be simplified. The other end of the conversion chip 11 is connected with the functional module 30 through a network interface, and one network interface is correspondingly connected with one functional module 30. The function module 30 may refer to an entertainment function on the car, such as sound. After the conversion chip 11 is connected to the control module 20 and the function module 30, the control module 20 can control the function module 30. The network interface may be a hundred mega network interface or a gigabit network interface or a mixture of hundred mega and gigabit network interfaces.

As a further embodiment, the conversion chip 11 comprises four of the network interfaces.

As a further example, the four network interfaces include three hundred meganetwork interfaces and one gigabit network interface.

The conversion chip 11 may be provided with four network interfaces, three of which may be hundred meganetwork interfaces, and the remaining one is a gigabit network interface, so as to meet the requirements of different transmission rates. .

As a further embodiment, the conversion chip 11 further includes an SPI communication interface, and the SPI communication interface is connected to the control module 20.

As a further example, the SPI communication interface includes a reset pin that is connected to the control module 20.

As a further embodiment, the SPI communication interface further comprises a wake-up pin, which is connected to the control module 20.

As a further embodiment, the SPI communication interface further comprises an interrupt pin, which is connected to the control module 20.

The SPI communication interface may include a reset pin, a wake-up pin, and an interrupt pin, where the reset pin is used to reset the conversion chip 11, the wake-up pin is used to wake up the conversion chip 11, and the interrupt pin is used to terminate the process of the conversion chip 11.

Referring to fig. 2, as a further embodiment, a memory module 12 is further included, and the memory module 12 is connected to the conversion chip 11.

As a further embodiment, the memory module 12 is a FLASH chip.

The storage module 12 may be provided with a related program, so that the control module 20 can control the conversion chip 11.

Referring to fig. 2, the present utility model further provides a network interface conversion system, which includes a control module 20, at least one functional module 30, and the network interface conversion device 10 according to any one of the above examples.

The utility model can expand the number of network interfaces through the conversion chip, thereby being capable of connecting more functional modules and meeting the use requirement.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. The network interface conversion device is applied to an automobile and is characterized by comprising a conversion chip, wherein the conversion chip comprises at least one PCIE interface and at least two network interfaces;

the PCIE interface is connected with the control module of the automobile, and the network interface is used for being connected with the functional module of the automobile.

2. The network interface conversion device of claim 1, wherein the conversion chip comprises four of the network interfaces.

3. The network interface conversion apparatus of claim 2, wherein four of the network interfaces comprise three hundred meganetwork interfaces and one gigabit network interface.

4. The network interface conversion device of claim 1, wherein the conversion chip further comprises an SPI communication interface, the SPI communication interface being coupled to the control module.

5. The network interface conversion device of claim 4, wherein the SPI communication interface includes a reset pin, the reset pin being coupled to the control module.

6. The network interface conversion device of claim 5, wherein the SPI communication interface further comprises a wake-up pin, the wake-up pin being coupled to the control module.

7. The network interface conversion device of claim 6, wherein the SPI communication interface further comprises an interrupt pin, the interrupt pin being coupled to the control module.

8. The network interface conversion device of claim 1, further comprising a memory module, the memory module coupled to the conversion chip.

9. The network interface conversion device according to claim 8, wherein the memory module is a FLASH chip.

10. A network interface conversion system comprising a control module, at least one functional module and a network interface conversion device according to any one of claims 1 to 9.