CN218456430U - Multi-path vehicle-mounted hundred-million and kilomega Ethernet system - Google Patents
Multi-path vehicle-mounted hundred-million and kilomega Ethernet system Download PDFInfo
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- CN218456430U CN218456430U CN202222316353.5U CN202222316353U CN218456430U CN 218456430 U CN218456430 U CN 218456430U CN 202222316353 U CN202222316353 U CN 202222316353U CN 218456430 U CN218456430 U CN 218456430U
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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
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- 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
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Abstract
The utility model provides a realize on-vehicle hundred million of multichannel and giga ethernet system, include: a controller module: the 5G communication module MPU is connected with the switching module through an RGMII interface; a switching module: the switching module is connected with the controller module through an RGMII interface, and is connected with the interface module through the RGMII interface, and the output end of the switching module outputs multi-channel hundred-million T1 Ethernet and is connected with a vehicle-mounted Ethernet interface; an interface module: the switching module is connected through an RGMII interface, and a kilomega T1 Ethernet is output from an output end and is connected to a vehicle-mounted Ethernet interface; the output of multi-channel hundred mega T1 and one gigabit T1 is realized through the exchange module and the interface module. The utility model provides a scheme to the on-vehicle hundred million T1 of multichannel and 1 way giga T1 are realized to low cost performance scheme, only send and receive through a pair of twisted-pair cable, and the very high communication speed of permission satisfies bigger bandwidth demand.
Description
Technical Field
The utility model relates to a vehicle-mounted ethernet field especially indicates a realize on-vehicle hundred million of multichannel and giga ethernet system.
Background
Most 5G equipment in the market uses PHY to realize single-path hundred mega T1 or giga T1, with the increase of the information transmission quantity of a car factory, frequent Ethernet function requirements and increased application scenes, the requirement on the number of Ethernet paths of 5G/V2X products is increased, but the number of RGMII ports of a 5G module is limited. For the existing market scheme, most of the schemes are in a PHY chip mode, a single hundred mega T1 or giga T1 is realized, and then, a multi-port switch chip is used for realizing multi-channel hundred mega T1 or giga T1 output, but the scheme has the defects that the multi-port switch chip is expensive and the switch chip of the giga T1 is in short supply. In the existing market, there are also many schemes for directly outputting TX, and the RJ45 output mode is directly adopted, so that the schemes are only suitable for the consumption market, and have extremely poor interference capability on the complex environment of the automobile.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an above-mentioned defect among the prior art is overcome to main aim at, provides one kind and realizes on-vehicle hundred million of multichannel and gigabit ethernet, solves under the communication port finite state of MAC to low cost performance scheme realizes based on-vehicle ethernet switch + PHY of 5G V2X terminal simultaneously output multichannel hundred million T1 and giga T1.
The utility model adopts the following technical scheme:
a system for realizing a multi-path vehicle-mounted hundred million and gigabit Ethernet system comprises:
a controller module: the 5G communication module MPU is connected with the exchange module through an RGMII interface;
a switching module: the switching module is connected with the controller module through an RGMII interface, and is connected with the interface module through the RGMII interface, and the output end of the switching module outputs multi-channel hundred-million T1 Ethernet and is connected with a vehicle-mounted Ethernet interface;
an interface module: the switching module is connected through an RGMII interface, and one path of gigabit T1 Ethernet is transmitted to the output end and is connected to a vehicle-mounted Ethernet interface;
the output of multi-channel hundred mega T1 and one-channel giga T1 is realized through the switching module and the interface module.
In particular, the switching module integrates 5 hundred megat 1 transceivers and one fast ethernet PHY.
Specifically, the switching module adopts a vehicle hundred mega Switch chip, and the model of the vehicle hundred mega Switch chip is RTL9047A.
Specifically, the interface module is a vehicle gigabit PHY chip.
Specifically, the power supply module is further included and is used for providing voltage for the exchange module and the interface module.
From the above description of the present invention, compared with the prior art, the present invention has the following advantages:
the utility model provides a realize on-vehicle hundred million of multichannel and giga ethernet system, include: a controller module: the 5G communication module MPU is connected with the exchange module through an RGMII interface; a switching module: the switching module is connected with the controller module through an RGMII interface, and is connected with the interface module through the RGMII interface, and the output end of the switching module outputs multi-channel hundred-million T1 Ethernet and is connected with a vehicle-mounted Ethernet interface; an interface module: the switching module is connected through an RGMII interface, and a kilomega T1 Ethernet is output from an output end and is connected to a vehicle-mounted Ethernet interface; the output of multi-channel hundred mega T1 and one-channel giga T1 is realized through the switching module and the interface module. The utility model provides a scheme to the on-vehicle hundred million T1 of multichannel and 1 way giga T1 are realized to low cost performance scheme, only send and receive through a pair of twisted-pair cable, and the very high communication speed of permission satisfies bigger bandwidth demand.
Drawings
Fig. 1 is a schematic diagram of the system for implementing the multi-channel vehicle-mounted hundred megabytes and gigabit ethernet system provided by the present invention.
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Detailed Description
The present invention is further described below in the following with reference to specific embodiments.
The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounting," "providing," "sleeving/connecting," "connecting," and the like are used in a broad sense, and for example, "connecting," may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, or a connection between two elements, and for those skilled in the art, the specific meaning of the terms in the present invention can be understood in a specific manner.
As shown in fig. 1, for the utility model provides a schematic diagram of a system for implementing multichannel vehicle-mounted hundred megabytes and gigabit ethernet, including:
the controller module 1: the 5G communication module MPU is connected with the switching module through an RGMII interface; the MAC in the communication module has and only has one group of RGMII interfaces;
the switching module 2: the switching module is connected with the controller module through an RGMII interface, and is connected with the interface module through the RGMII interface, and the output end of the switching module outputs multi-channel hundred-million T1 Ethernet and is connected with a vehicle-mounted Ethernet interface; the switching module integrates 5 hundred megabit T1 transceivers and a fast ethernet PHY.
The switching module adopts a vehicle hundred mega Switch chip, and the model of the vehicle hundred mega Switch chip is RTL9047A.
The vehicle-specified hundred-million Switch chip is an automobile Ethernet Switch controller, integrates 5 hundred-T1 transceivers and a fast Ethernet PHY, supports a multi-path RGMII interface, is accessed by external CPU or Switch cascade, RTL9047A is a vehicle-mounted Ethernet single chip Switch scheme, provides 4Prots100BASE-T1, does not need to plug-in PHY, directly realizes vehicle-mounted T1 output, and can save cost and PCB space;
an interface is provided, 100BASE-T1 or SGMII can be selected and set, wherein the SGMII can be externally connected with a CPU or used for performing cascade expansion by butting a SWITCH with the same model;
in addition, the interface can be selected and set as common 100Base-TX fast Ethernet PHY, SGMII or RGMII/MII/RMII for the selection port, and the 100Base-TX interface is used as a vehicle-mounted Diagnostic interface; and the interface is RGMII/MII/RMII interface, which can be used for external CPU or expanding network interface and other applications. RTL9047A provides 100Base-T1 compliant standard, IEEE802.3BW specification, with a rate of 100 Mb/for full duplex communication over twisted pair (T1). The system CAN support wires of at least 15M, CAN provide better frequency compared with a vehicle-mounted traditional LIN and CAN interface, CAN be connected with a vehicle-mounted exchanger and a data center, achieves mutual communication of a plurality of node devices, constructs various required network topologies, and has the capabilities of low radiation, high RF immunity and longer-distance communication. According to the Open Alliance TC1 standard specification, vehicle-mounted Ethernet test items such as EMC, IOP, PCS, PMA, PHYC and RTL9047A pass all the test items in an Open Alliance certification laboratory and can provide a test report for assessment of a vehicle factory. RTL9047A provides SPI slave \ SMI slave \ I2C slave interface to connect to SOC, let the developer say RTL9047AAPI code package in CPU system can set up the function dynamically, also can save FLASH component cost. The developer can directly apply sample code in API to cause I2C \ SMI or SPI to port RTL9047AA, ex: src/rtk _ I2C.c, src/rtk _ MDC, can let the customization that the developer developments are adjustable presume the network management must have the function.
The interface module 3: the switching module is connected through an RGMII interface, and one path of gigabit T1 Ethernet is transmitted to the output end and is connected to a vehicle-mounted Ethernet interface; the interface module is a vehicle gigabit PHY chip, is a highly integrated automobile transceiver and conforms to the IEEE 802.3bp 1000BASE-T1 standard. It provides all the necessary physical layer functions to transmit and receive ethernet packets to the automotive electronics on a single Unshielded Twisted Pair (UTP). The chip adopts the most advanced Digital Signal Processor (DSP) technology and Analog Front End (AFE) to realize stable and high-speed data transmission and reception. High electrostatic discharge (ESD) protection and excellent electromagnetic compatibility (EMC) performance are provided. The built-in under-voltage and temperature monitoring function can continuously monitor the working state of the chip, and take corresponding actions to display state or error information to an upper layer.
The output of multi-channel hundred mega T1 and one-channel giga T1 is realized through the switching module and the interface module.
In particular, a power supply module (not shown) is also included for supplying voltage to the switching module and the interface module.
The utility model provides a realize on-vehicle hundred million of multichannel and giga ethernet system, include: a controller module: the 5G communication module MPU is connected with the switching module through an RGMII interface; a switching module: the switching module is connected with the controller module through an RGMII interface, and is connected with the interface module through the RGMII interface, and the output end of the switching module outputs multi-channel hundred-million T1 Ethernet and is connected with a vehicle-mounted Ethernet interface; an interface module: the switching module is connected through an RGMII interface, and a kilomega T1 Ethernet is output from an output end and is connected to a vehicle-mounted Ethernet interface; the output of multi-channel hundred mega T1 and one-channel giga T1 is realized through the switching module and the interface module. The utility model provides a scheme to low cost performance scheme realizes on-vehicle hundred million of multichannel T1 and 1 way giga T1 of scheme, only sends and receives through a pair of twisted-pair cable, allows very high communication speed to satisfy bigger bandwidth demand
The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.
Claims (5)
1. A system for realizing multi-path vehicle-mounted hundred million and kilomega Ethernet is characterized by comprising:
a controller module: the 5G communication module MPU is connected with the exchange module through an RGMII interface;
a switching module: the switching module is connected with the controller module through an RGMII interface, and is connected with the interface module through the RGMII interface, and the output end of the switching module outputs multi-channel hundred-million T1 Ethernet and is connected with a vehicle-mounted Ethernet interface;
an interface module: the switching module is connected through an RGMII interface, and one path of gigabit T1 Ethernet is transmitted to the output end and is connected to a vehicle-mounted Ethernet interface;
the output of multi-channel hundred mega T1 and one-channel giga T1 is realized through the switching module and the interface module.
2. The system of claim 1, wherein the switching module integrates 5 hundred million T1 transceivers and a fast Ethernet PHY.
3. The system for realizing the multi-path vehicle-mounted hundred million and gigabit Ethernet according to claim 2, wherein the switching module employs a vehicle hundred million Switch chip, and the model of the vehicle hundred million Switch chip is RTL9047A.
4. The system for implementing the multi-lane vehicle-mounted hundred megabytes and gigabit ethernet system according to claim 1, wherein the interface module is a vehicle gigabit PHY chip.
5. The system for implementing the multi-vehicle hundred megabytes and gigabit Ethernet system according to claim 1, further comprising a power module for supplying voltage to the switching module and the interface module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316353.5U CN218456430U (en) | 2022-08-31 | 2022-08-31 | Multi-path vehicle-mounted hundred-million and kilomega Ethernet system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222316353.5U CN218456430U (en) | 2022-08-31 | 2022-08-31 | Multi-path vehicle-mounted hundred-million and kilomega Ethernet system |
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| CN218456430U true CN218456430U (en) | 2023-02-07 |
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| CN202222316353.5U Active CN218456430U (en) | 2022-08-31 | 2022-08-31 | Multi-path vehicle-mounted hundred-million and kilomega Ethernet system |
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- 2022-08-31 CN CN202222316353.5U patent/CN218456430U/en active Active
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