CN217770111U - Vehicle-mounted Ethernet and standard Ethernet communication device - Google Patents
Vehicle-mounted Ethernet and standard Ethernet communication device Download PDFInfo
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- CN217770111U CN217770111U CN202221842365.5U CN202221842365U CN217770111U CN 217770111 U CN217770111 U CN 217770111U CN 202221842365 U CN202221842365 U CN 202221842365U CN 217770111 U CN217770111 U CN 217770111U
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Abstract
The utility model discloses a vehicle-mounted Ethernet and standard Ethernet communication device in the field of vehicle-mounted intelligent control, which comprises an SOC data exchange transmitter, an MCU data receiving and transmitting converter and an Ethernet data receiving converter, wherein the Ethernet data receiving converter is connected with the SOC data exchange transmitter which is connected with the MCU data receiving and transmitting converter; the SOC data exchange transmitter is used for high-speed communication control and high-speed bus type data exchange transmission; the MCU data transceiving converter is used for receiving, converting and forwarding data with the speed of below 20 Mhz; the Ethernet data receiving converter is used for receiving data of the vehicle-mounted Ethernet equipment and converting standard Ethernet data, and solves the bottleneck of high-speed communication of various vehicle-mounted intelligent electronic systems in the development and debugging process.
Description
Technical Field
The utility model relates to a communication device in the automotive communication field.
Background
As the intelligence of passenger vehicles iterates, various smart devices are applied within the vehicle. High definition video, laser, millimeter wave and ultrasonic radar, remote vehicle video monitoring equipment that satisfy the autopilot requirement like in the car consequently bring the requirement to high-speed data transmission. However, the prior CAN and CAN FD and the like cannot meet the transmission requirements of high-speed data of various devices only in debugging.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a vehicle-mounted Ethernet and standard ethernet communication device, in the design development, realize the high-speed communication of each electronic system in the car and each electronic system data transfer PC.
In order to achieve the above object, the utility model provides a vehicle-mounted ethernet and standard ethernet communication device, including SOC data interchange transmitter, MCU data transceiver converter to and ethernet data receiving converter, ethernet data receiving converter links to each other with SOC data interchange transmitter, and SOC data interchange transmitter links to each other with MCU data transceiver converter.
Compared with the prior art, the utility model has the advantages that the SOC data exchange transmitter is used for high-speed communication control and high-speed bus data exchange transmission; the MCU data transceiver converter is used for receiving, converting and forwarding data with the speed of below 20 Mhz; the Ethernet data receiving converter is used for receiving data of the vehicle-mounted Ethernet equipment and converting standard Ethernet data, and solves the bottleneck of high-speed communication of various vehicle-mounted intelligent electronic systems in the development and debugging process.
As the utility model discloses a further improvement, SOC data interchange transmitter includes the SA8540P chip, MCU data transceiver converter includes FS32K146 chip, ethernet data reception converter includes BCM8956XX chip, the RGMII interface of BCM8956XX chip links to each other with the RGMII interface of SA8540P chip, the GPIO interface and the SPI1 interface of SA8540P chip link to each other with the GPIO interface and the SPI1 interface of FS32K146 chip respectively.
The FS32K146 chip has the performance of fast processing, so that data of the intelligent equipment needing fast processing is received by the FS32K146 chip and transmitted to the SA8540P chip after being processed, and then transmitted to the PC through the BCM8956XX chip by the SA8540P chip for debugging or overhauling, while data of the general intelligent equipment is directly processed by the SA8540P chip and transmitted to the PC through the BCM8956XX chip for debugging or overhauling, and the BCM8956XX chip can also directly receive data of some intelligent equipment not needing processing and directly transmitted to the PC.
As the utility model discloses a further improvement, the P0TR1 interface of BCM8956XX chip links to each other with the high-definition camera of ethernet through 100BASE-T1 ethernet line, and the P0TR2 interface of BCM8956XX chip links to each other with the RJ45 interface of PC through 100BASE-TX ethernet line, and the P0TR3 interface of BCM8956XX chip links to each other with laser radar through 100BASE-T1 ethernet line.
Like this receive the data that transmit ethernet high definition camera through BCM8956XX chip to pass through RJ45 interface transmission PC with it and handle, can also receive the data that transmit laser radar through BCM8956XX chip, and pass through RJ45 interface transmission PC with it and handle, with the function debugging that realizes quick intelligent control driving.
As the utility model discloses a further improvement, the CAN interface of FS32K146 chip links to each other with on-vehicle controlgear through CAN communication bus, and the SPI2 interface of FS32K146 chip links to each other with ultrasonic radar through SPI communication bus, and the CAN FD interface of FS32K146 chip links to each other with millimeter wave radar through CAN FD communication bus.
Therefore, the FS32K146 chip is in data transmission with vehicle-mounted control equipment (including an engine electronic control module, a vehicle body control module, an engine management system, an anti-lock brake system and the like) through a CAN communication bus, and the FS32K146 chip is in data transmission with a sonic radar and a millimeter wave radar through an SPI communication bus and a CAN FD communication bus respectively, so that intelligent control debugging of vehicle running is realized.
As the utility model discloses a further improvement, the USB interface of SA8540P chip links to each other with 5GT-BOX through the USB line, and the CSI interface MIPI CSI communication protocol line of SA8540P chip links to each other with video high definition digtal camera.
In this way, the SA8540P chip establishes data connection with the video and the high-definition camera through an MIPI CSI communication protocol line, and can realize the connection of a 5G network through the 5GT-BOX, thereby further realizing high-speed communication.
As the utility model discloses a further improvement, the P0TR4 interface to the P0TR12 interface position of BCM8956XX chip is for reserving 100M ethernet interface, and the P0TR13 interface and the P0TR14 interface position of BCM8956XX chip are for reserving 1000M ethernet interface.
Therefore, 9 100M Ethernet interfaces and 2 1000M Ethernet interfaces can be reserved as standby interfaces for high-speed communication with the newly-added vehicle-mounted intelligent radar equipment.
Drawings
Fig. 1 is a hardware connection diagram of the device of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, the vehicle-mounted ethernet and standard ethernet communication device includes an SOC data exchange transmitter, an MCU data transceiver converter, and an ethernet data receiving converter, where the ethernet data receiving converter is connected to the SOC data exchange transmitter, and the SOC data exchange transmitter is connected to the MCU data transceiver converter.
The SOC data exchange transmitter comprises an SA8540P chip, the MCU data transceiving converter comprises an FS32K146 chip, the Ethernet data receiving converter comprises a BCM8956XX chip, an RGMII interface of the BCM8956XX chip is connected with an RGMII interface of the SA8540P chip, and a GPIO interface and an SPI1 interface of the SA8540P chip are respectively connected with a GPIO interface and an SPI1 interface of the FS32K146 chip.
The P0TR1 interface of the BCM8956XX chip is connected with the Ethernet high-definition camera through a 100BASE-T1 Ethernet line, the P0TR2 interface of the BCM8956XX chip is connected with the RJ45 interface of the PC through a 100BASE-TX Ethernet line, and the P0TR3 interface of the BCM8956XX chip is connected with the laser radar through a 100BASE-T1 Ethernet line.
The CAN interface of FS32K146 chip links to each other with vehicle control equipment through CAN communication bus, and the SPI2 interface of FS32K146 chip links to each other with ultrasonic radar through SPI communication bus, and the CAN FD interface of FS32K146 chip links to each other with the millimeter wave radar through CAN FD communication bus.
The USB interface of the SA8540P chip is connected with the 5GT-BOX through a USB line, and the CSI interface MIPI CSI communication protocol line of the SA8540P chip is connected with the video high-definition camera.
The interface bit from P0TR4 to P0TR12 of the BCM8956XX chip is reserved for a 100M ethernet interface, and the interface bit from P0TR13 and P0TR14 of the BCM8956XX chip is reserved for a 1000M ethernet interface.
The utility model comprises an SOC, an MCU and an Ethernet chip, and is connected with different vehicle-mounted electronic systems according to the self functional characteristics of each chip, thereby realizing the high-speed communication of each electronic system in the vehicle; in design and development, each electronic system data forwarding PC is used for development and maintenance diagnosis; when the client uses the system, the PC is stably accessed to the Internet through a standard Ethernet interface.
The SA8540P chip is used for high-speed communication control and high-speed bus type data exchange transmission; the system level core is provided with a comprehensive high-speed interface, namely USB/CSI/SPI, and the like, is connected with a high-speed electronic system, converts data and transmits the data to the Ethernet chip through an RGMII interface.
The FS32K146 chip is used as a communication summation control chip of a communication speed device below 20Mhz, completes the connection of the traditional CAN/CAN FD and other electronic systems, and is used for receiving, converting and forwarding the speed data below 20 Mhz.
And the BCM8956XX chip is used as a special chip for Ethernet communication, and all vehicle-mounted Ethernet electronic systems are accessed by the chip and perform high-speed data exchange with the SOC through the RGMII. Meanwhile, all the communication related to the above is also converted into the standard Ethernet through the chip.
In the system development and debugging stage, all data are forwarded to a development engineer PC, development and debugging are facilitated, the engineer can use the Ethernet to perform parameter configuration on each electronic system, optimal performance and stability are achieved, and great convenience is provided for the development process.
When the system is used by a user, the debugging function is closed, and the PC can be connected with the 5G T-BOX through the system, so that high-speed internet access is realized, and a stable network environment is provided for on-vehicle meetings and offices.
The utility model discloses on the basis that does not increase vehicle wiring cost and complexity, with communication promotion such as 20M's CAN FD in the car speed to 100M ethernet communication, solved the bottleneck of on-vehicle various intelligent electronic system's high-speed communication, realize the intelligent transformation of automotive electronics, solve the pain point of development debugging process and the demand of user journey internet office simultaneously.
The present invention is not limited to the above embodiments, and based on the technical solutions of the present disclosure, those skilled in the art can make some substitutions and transformations to some technical features without creative labor according to the disclosed technical contents, and these substitutions and transformations are all within the protection scope of the present invention.
Claims (6)
1. A vehicle-mounted Ethernet and standard Ethernet communication device is characterized in that: the system comprises an SOC data exchange transmitter, an MCU data transceiving converter and an Ethernet data receiving converter, wherein the Ethernet data receiving converter is connected with the SOC data exchange transmitter, and the SOC data exchange transmitter is connected with the MCU data transceiving converter.
2. A vehicle ethernet and standard ethernet communication device according to claim 1, wherein: the SOC data exchange transmitter comprises an SA8540P chip, the MCU data transceiving converter comprises an FS32K146 chip, the Ethernet data receiving converter comprises a BCM8956XX chip, an RGMII interface of the BCM8956XX chip is connected with an RGMII interface of the SA8540P chip, and a GPIO interface and an SPI1 interface of the SA8540P chip are respectively connected with a GPIO interface and an SPI1 interface of the FS32K146 chip.
3. A vehicle ethernet and standard ethernet communication device according to claim 2, wherein: the P0TR1 interface of the BCM8956XX chip is connected with the Ethernet high-definition camera through a 100BASE-T1 Ethernet line, the P0TR2 interface of the BCM8956XX chip is connected with the RJ45 interface of the PC through a 100BASE-TX Ethernet line, and the P0TR3 interface of the BCM8956XX chip is connected with the laser radar through a 100BASE-T1 Ethernet line.
4. A vehicle ethernet and standard ethernet communication device according to claim 3, wherein: the CAN interface of FS32K146 chip links to each other with vehicle control equipment through CAN communication bus, and the SPI2 interface of FS32K146 chip links to each other with ultrasonic radar through SPI communication bus, and the CAN FD interface of FS32K146 chip links to each other with the millimeter wave radar through CAN FD communication bus.
5. A vehicle Ethernet and standard Ethernet communication device according to claim 4, wherein: the USB interface of the SA8540P chip is connected with the 5GT-BOX through a USB line, and the CSI interface MIPI CSI communication protocol line of the SA8540P chip is connected with the video high-definition camera.
6. A vehicle Ethernet and standard Ethernet communication device according to claim 5, wherein: the interface from P0TR4 to P0TR12 of the BCM8956XX chip is reserved 100M Ethernet interface, and the interface P0TR13 and the interface P0TR14 of the BCM8956XX chip are reserved 1000M Ethernet interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221842365.5U CN217770111U (en) | 2022-07-18 | 2022-07-18 | Vehicle-mounted Ethernet and standard Ethernet communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221842365.5U CN217770111U (en) | 2022-07-18 | 2022-07-18 | Vehicle-mounted Ethernet and standard Ethernet communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217770111U true CN217770111U (en) | 2022-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221842365.5U Active CN217770111U (en) | 2022-07-18 | 2022-07-18 | Vehicle-mounted Ethernet and standard Ethernet communication device |
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| CN (1) | CN217770111U (en) |
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2022
- 2022-07-18 CN CN202221842365.5U patent/CN217770111U/en active Active
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