CN206313809U - A kind of embedded gigabit core Switching Module - Google Patents
A kind of embedded gigabit core Switching Module Download PDFInfo
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- CN206313809U CN206313809U CN201621458204.0U CN201621458204U CN206313809U CN 206313809 U CN206313809 U CN 206313809U CN 201621458204 U CN201621458204 U CN 201621458204U CN 206313809 U CN206313809 U CN 206313809U
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Abstract
This application discloses a kind of embedded gigabit core Switching Module, the Switching Module includes CPU, Multilayer Switching chip SWITCH, three GPHY, two panels DDR3SDRAM, FLASH, CPLD and two high-speed-differential connector CON；The application can provide the user the ability of up to 12 road photoelectric multiplexing ports；1000Mbps is arrived in port speed lifting；Gbps capacity up to 24Gbps, can clog-free linear forwarding；The core Switching Module can be operated in technical grade operating temperature (40~85 DEG C)；Whole plate size only 120mm*100mm*11.5mm, very easily can be embedded into client.
Description
Technical field
The utility model is related to a kind of core Switching Module, and in particular to a kind of embedded gigabit core Switching Module.
Background technology
Why in high volume industrial ethernet switch is mainly used in the industries such as track traffic, intelligent grid and colliery,
Apply in these industries, be closely bound up with its inherent characteristic, such as in electromagnetic compatibility, humiture and the side such as dust-proof
There is the environment of particular/special requirement in face.Functionally communicated with industrial network it is closer, such as interconnection with various fieldbus,
The redundancy of equipment and equipment in real time etc.；And the difference in performance is then mainly reflected in the difference for adapting to external environment parameters.
At present, in industrial switch field is applied, most switch ports themselves are solidifications, and client cannot flexibly configure
Optical port and power port, even modular switch its volume on the market is also very huge cannot be embedded into the system of client, this
Class product is not often applied in the embedded communication field required to space.
The utility model patent of Publication No. CN 101262354A, there is provided a Embedded industrial switch, one
4 100,000,000 ports are provided the user, secondly powered using Switching Power Supply, thirdly can be with WEB, CLI to the every of embedded interchanger
Individual port is managed and configures.It has the disadvantage：1st, the port number for providing the user is few, is only capable of providing 4 road ports；2nd, port
Speed is low, transmission rate only 100Mbps；3rd, Gbps capacity is small, only 800Mbps under full-duplex mode；4th, non-technical grade work
Make temperature (- 40~85 DEG C)；5th, volume small size only 120mm*100mm*11.5mm, the industry that can be flexibly embedded into client sets
In standby, make its rapid function with multilayer industrial switch.
Utility model content
For problems of the prior art, the purpose of this utility model is to provide a kind of embedded gigabit core to hand over
Mold changing block, there is problem in it in efficiently solving background technology.
To achieve the above object, the utility model uses following technical scheme：
A kind of embedded gigabit core Switching Module, the Switching Module includes CPU, Multilayer Switching chip SWITCH, three
Piece GPHY, two panels DDR3SDRAM, FLASH, CPLD and two high-speed-differential connector CON；Wherein,
The FLASH is connected with the CPU, and CPU reads BOOTROM file start system of the burning in FLASH when upper electric
System；
DDR3SDRAM chip chambers connection described in the DDR controller interface and two panels of CPU, DDR3SDRAM is embedded system
There is provided running memory, it is ensured that the smooth operation of system；
The Multilayer Switching chip SWITCH is connected with CPU, and interface therebetween is PCI-E bridge joints, speed
2.5Gbps；
The CPLD and CPU is connected, and interface therebetween is SPI communications, and CPU is Master, and CPLD is Slave, CPU
By spi bus access CPLD register, its register is configured and state reading；
Three GPHY are connected with CPLD, and every GPHY connects total interrupt signal by the I/O port of CPLD with CPLD
Connect, interrupt signal is reported into CPU treatment by CPLD with Port interrupts；
Three GPHY are connected with SWITCH, and every GPHY is provided with 4 tunnel gigabit ports；
Three GPHY high-speed-differential connector CON described with two are connected, and GPHY is by power port and the differential signal of optical port
Drawn by two high-speed-differential connector CON.
Further, the interface between the FLASH and the CPU is SPI.
Further, the data that the DDR controller interface of the CPU and 2 DDR3SDRAM chip chambers pass through 16bit
Bus is connected, the data/address bus of composition 32.
Further, the CPU is also connected to CONSOLE mouthfuls, is entered by the CONSOLE mouthfuls of real-time status to interchanger
Row monitoring is configured by ordering to it.
Further, the CPLD is connected with jtag interface, and the program of CPLD is risen online by the jtag interface
Level.
Further, the interface shape between the GPHY and the SWITCH is QSGMII, speed 5Gbps.
The utility model has following Advantageous Effects：
The application can provide the user the ability of up to 12 road photoelectric multiplexing ports；1000Mbps is arrived in port speed lifting；
Gbps capacity up to 24Gbps, can clog-free linear forwarding；The core Switching Module can be operated in technical grade operating temperature
(- 40~85 DEG C)；Whole plate size only 120mm*100mm*11.5mm, very easily can be embedded into client.
Brief description of the drawings
Fig. 1 is the circuit-board laying-out schematic diagram of the utility model Switching Module；
Fig. 2 is hardware catenation principle block diagram of the present utility model.
Specific embodiment
Below, refer to the attached drawing, is more fully illustrated to the utility model, is shown shown in the drawings of of the present utility model
Example property embodiment.However, the utility model can be presented as various multi-forms, it is not construed as being confined to what is described here
Exemplary embodiment.And these embodiments are to provide, so that the utility model is fully and completely, and will be of the present utility model
Scope fully conveys to one of ordinary skill in the art.
For ease of explanation, herein can using " on ", the space relative terms such as D score " left side " " right side ", for saying
The element or feature shown in bright figure are relative to another element or the relation of feature.It should be understood that except in figure
Outside the orientation for showing, spatial terminology is intended to include device different azimuth in use or operation.If for example, in figure
Device is squeezed, be stated as being located at the element of other elements or feature D score will be located into other elements or feature " on ".Cause
This, exemplary term D score can be comprising both upper and lower orientation.Device can otherwise position and (be rotated by 90 ° or be located at
Other orientation), can correspondingly be explained used herein of the relative explanation in space.
As shown in figure 1, the Switching Module of the application is by CPU, SWITCH (Multilayer Switching chip), GPHY (gigabit physical layers
Chip), the main chip such as GPHY, GPHY, DDR3SDRAM, FLASH, CPLD and CON (high speed connector) composition.
As shown in Fig. 2 the embedded gigabit core Switching Module of the application includes CPU, Multilayer Switching chip SWITCH, three
Piece GPHY, two panels DDR3SDRAM, FLASH, CPLD and two high-speed-differential connector CON；Wherein, FLASH passes through 2 and CPU
Connection, CPU reads BOOTROM file start system of the burning in FLASH when upper electric；The DDR controller interface and two panels of CPU
DDR3SDRAM chip chambers provide running memory by 3 connections, DDR3SDRAM for embedded system, it is ensured that the smooth operation of system；
Multilayer Switching chip SWITCH is connected by 5 with CPU, and interface therebetween is PCI-E bridge joints, speed 2.5Gbps；CPLD leads to
1 and CPU connections are crossed, interface therebetween is SPI communications, and CPU is Master, and CPLD is Slave, and CPU is visited by spi bus
Ask the register of CPLD, its register is configured and state reading；Three GPHY are connected by 8 with CPLD, every
By the I/O port of CPLD be connected total interrupt signal with CPLD by GPHY, and interrupt signal is reported by CPLD with Port interrupts
CPU treatment；Three GPHY are connected by 6 with SWITCH, and every GPHY is provided with 4 tunnel gigabit ports；Three can go out end altogether
The tunnel gigabits mouthful of mouth Shuo Wei 12；Three GPHY are connected by 7 with two high-speed-differential connector CON, and GPHY is by power port and optical port
Differential signal drawn by two high-speed-differential connector CON.Interface between FLASH and CPU is SPI.The DDR controls of CPU
Device interface processed and 2 DDR3SDRAM chip chambers are connected by the data/address bus of 16bit, the data/address bus of composition 32.CPU is also
CONSOLE mouthfuls is connected with by 4, is monitored by the CONSOLE mouthfuls of real-time status to interchanger or it is matched somebody with somebody by being ordered
Put.CPU embedded TTL UART are converted to the level of RS232-C standards by electrical level transferring chip, and base plate is connected to by CON
Network interface be connected with PC.CPLD is connected with jtag interface by 9, and the program of CPLD is risen online by jtag interface
Level.Interface shape between GPHY and the SWITCH is QSGMII, speed 5Gbps.
The CON of the application is high-speed-differential connector, and it is undamped that the connector can cross 5Gbps signals, therefore draws from GPHY ends
The power port that goes out, optical port differential signal can be transferred to base plate with high-quality, interconnect to form complete ether with power port optical port connector
Network chain road.The Switching Module whole plate size only 120mm*100mm*11.5mm of the application.
It is described above simply to illustrate that the utility model, it is understood that the utility model be not limited to the above implementation
Example, meets the various variants of the utility model thought within protection domain of the present utility model.
Claims (6)
1. a kind of embedded gigabit core Switching Module, it is characterised in that the Switching Module includes CPU, Multilayer Switching chip
SWITCH, three GPHY, two panels DDR3SDRAM, FLASH, CPLD and two high-speed-differential connector CON；Wherein,
The FLASH is connected with the CPU, and CPU reads BOOTROM file start system of the burning in FLASH when upper electric；
DDR3SDRAM chip chambers connection described in the DDR controller interface and two panels of CPU, DDR3SDRAM is provided for embedded system
Running memory, it is ensured that the smooth operation of system；
The Multilayer Switching chip SWITCH is connected with CPU, and interface therebetween is PCI-E bridge joints, speed 2.5Gbps；
The CPLD and CPU is connected, and interface therebetween is SPI communications, and CPU is Master, and CPLD is Slave, and CPU passes through
Spi bus access CPLD register, its register is configured and state reading；
Three GPHY are connected with CPLD, and by the I/O port of CPLD be connected total interrupt signal with CPLD by every GPHY, with
Interrupt signal is reported into CPU treatment by CPLD in Port interrupts；
Three GPHY are connected with SWITCH, and every GPHY is provided with 4 tunnel gigabit ports；
Three GPHY high-speed-differential connector CON described with two are connected, and GPHY passes through the differential signal of power port and optical port
Two high-speed-differential connector CON draw.
2. embedded gigabit core Switching Module according to claim 1, it is characterised in that the FLASH and CPU
Between interface be SPI.
3. embedded gigabit core Switching Module according to claim 1, it is characterised in that the DDR controller of the CPU
Interface and 2 DDR3SDRAM chip chambers are connected by the data/address bus of 16bit, the data/address bus of composition 32.
4. embedded gigabit core Switching Module according to claim 1, it is characterised in that the CPU is also connected to
CONSOLE mouthfuls, it is monitored by the CONSOLE mouthfuls of real-time status to interchanger or it is configured by orders.
5. embedded gigabit core Switching Module according to claim 1, it is characterised in that the CPLD is connected with JTAG
Interface, online upgrading is carried out by the jtag interface to the program of CPLD.
6. embedded gigabit core Switching Module according to claim 1, it is characterised in that the GPHY with it is described
Interface shape between SWITCH is QSGMII, speed 5Gbps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201621458204.0U CN206313809U (en) | 2016-12-28 | 2016-12-28 | A kind of embedded gigabit core Switching Module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621458204.0U CN206313809U (en) | 2016-12-28 | 2016-12-28 | A kind of embedded gigabit core Switching Module |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896202A (en) * | 2017-12-30 | 2018-04-10 | 盛科网络（苏州）有限公司 | A kind of Switching Module |
| CN110891034A (en) * | 2019-11-20 | 2020-03-17 | 天津津航计算技术研究所 | 12-port VPX gigabit network switching module |
| CN112398761A (en) * | 2020-10-22 | 2021-02-23 | 长沙湘计海盾科技有限公司 | Network switching unit module, network switch and channel identification switching method |
-
2016
- 2016-12-28 CN CN201621458204.0U patent/CN206313809U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107896202A (en) * | 2017-12-30 | 2018-04-10 | 盛科网络（苏州）有限公司 | A kind of Switching Module |
| CN110891034A (en) * | 2019-11-20 | 2020-03-17 | 天津津航计算技术研究所 | 12-port VPX gigabit network switching module |
| CN112398761A (en) * | 2020-10-22 | 2021-02-23 | 长沙湘计海盾科技有限公司 | Network switching unit module, network switch and channel identification switching method |
| CN112398761B (en) * | 2020-10-22 | 2023-05-02 | 长沙湘计海盾科技有限公司 | Network switching unit module, network switch and channel identification switching method |
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