CN211454416U

CN211454416U - VPX 3U computer mainboard based on explain 121 treater

Info

Publication number: CN211454416U
Application number: CN201922010328.2U
Authority: CN
Inventors: 周毅; 周磊; 朱维; 陆暤冉; 文渊; 刘上
Original assignee: Wuxi Tongxin Hengtong Technology Co ltd
Current assignee: Wuxi Tongxin Hengtong Technology Co ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-09-08
Anticipated expiration: 2029-11-20

Abstract

The utility model discloses a VPX 3U computer motherboard based on Shenwei 121 treater, including Shenwei 121 treater, DDR3 module, gigabit Ethernet PHY, VPX connector module; the Shenwei 121 processor is connected with DDR3, and the Shenwei 121 processor is connected with gigabit Ethernet PHY. The utility model completes the functions of a multi-layer on-chip communication structure, a storage controller, a graphic image subsystem and the like through the Shenwei 121 processor; the Shenwei 121 processor which is designed independently is adopted, the software and hardware design is completely independent and controllable, and the safety is high.

Description

VPX 3U computer mainboard based on explain 121 treater

Technical Field

The utility model relates to a 3U industrial computer mainboard especially relates to a VPX 3U computer mainboard based on Shenwei 121 treater.

Background

In order to promote the information security construction of China, the requirement for localization of information security products is more and more urgent. With the further and deep development of informatization in China, the information security problem is increasingly emphasized. The most important of the information security products is the security and reliability of the information of the embedded system, and an important component of the embedded system is the processor, so the security performance of the whole embedded system depends on the security of the processor core. However, most of processors used in the industry of industrial control computers are foreign brands, the core of the processor mainly considers some non-safety factors such as speed, reliability, power consumption and the like in the structural design, and the core technology of the processor is not controlled, so that a plurality of information safety hidden dangers exist, and lawbreakers or foreign counter-dynamic forces can be easily implanted with monitoring and surveillance devices in the processors exported to China to steal the confidentiality of government departments, scientific research institutions, enterprises and public institutions and the like in China.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems mentioned in the background art part through a VPX 3U computer mainboard based on Shenwei 121 processor.

To achieve the purpose, the utility model adopts the following technical proposal:

a VPX 3U computer mainboard based on an Shenwei 121 processor is characterized by comprising the Shenwei 121 processor, a DDR3 module, a gigabit Ethernet PHY and a VPX connector module; the Shenwei 121 processor is connected with the DDR3, and the Shenwei 121 processor is connected with the gigabit Ethernet PHY; the Shenwei 121 processor is integrated with a DDR3 storage controller interface and a PCI-E interface, the DDR3 storage controller interface is connected with DDR3 memory particles, and the PCI-E interface is connected with a VPX connector module; the VPX connector module comprises connectors P0, P1 and P2, wherein the P0 is a general P0 connector defined in VPX specification and provides power supply input for a mainboard; the P1 and P2 define connectors in the VPX specification, which are communication interfaces between the motherboard and the backplane or other cards.

In particular, the Shenwei 121 processor module is connected with three gigabit Ethernet PHY chips, one path of PCI-E interface, one RTC chip, one video decoder, two paths of USB signals, two RS232 driving receiving controllers and one EMMC memory.

In particular, the three gigabit ethernet PHY chips tap out three GMII/RGMII signals.

In particular, the RTC chip feeds back a clock to the Shenwei 121 processor module.

In particular, the video decoders respectively output VGA signals.

In particular, the two RS232 driving receiving controllers receive two RS232 signals.

The utility model provides a based on explain why 121 processors VPX 3U computer motherboard in explain why 121 processors explain why the integration has all the way DDR3 storage controller interface and all the way PCI-E interface, wherein the PCI-E interface accords with PCI-E2.0 standard, compares and explains that 111 processors explain why the bus will be PCI interface change into PCI-E interface, greatly increased the speed of data exchange and operation; the DDR3 storage controller interface is connected with DDR3 memory granules, and compared with a Shenwei 111 processor, the maximum capacity of a supported storage is increased to 8 GB; one path of PCI-E is connected with VPX connector module. The utility model completes the functions of a multi-layer on-chip communication structure, a storage controller, a graphic image subsystem and the like through the Shenwei 121 processor; the adoption of the independently designed Shenwei processor has the advantages of completely independent and controllable software and hardware design, high safety, capability of providing powerful guarantee for the information safety of national life-cycle industries such as electric power, communication, finance, national defense and the like, rich interface resources of the mainboard, strong compatibility and capability of meeting the requirements of different industries.

Drawings

Fig. 1 is a diagram of a VPX 3U computer motherboard structure based on a explain 121 processors provided in the embodiment of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It is further noted that, for the convenience of description, only some but not all of the matters related to the present invention are shown in the drawings, and unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, fig. 1 is a block diagram of a VPX 3U computer motherboard based on a explain 121 processor according to an embodiment of the present invention.

The VPX 3U computer motherboard based on the shenwei 121 processor in this embodiment specifically includes the shenwei 121 processor, a DDR3 module, a gigabit ethernet PHY, and a VPX connector module. The Shenwei 121 processor is connected with the DDR3, and the Shenwei 121 processor is connected with the gigabit Ethernet PHY; the Shenwei 121 processor is integrated with a DDR3 memory controller interface and a PCI-E interface, the DDR3 memory controller interface is connected with DDR3 memory particles, and the PCI-E interface is connected with a VPX connector module. The Shenwei 121 processor is a core processing and control unit of the mainboard and provides a path of PCI-E link of 4. The DDR3 module is used for providing enough memory space for a mainboard. The gigabit Ethernet PHY module is used for providing a gigabit network for the mainboard. The VPX connector module is responsible for communication between the main board and the bottom board or other boards.

The Shenwei 121 processor is integrated with a DDR3 memory controller interface and a PCI-E interface, the DDR3 memory controller interface is connected with DDR3 memory particles, and the PCI-E interface is connected with a VPX connector module. The Shenwei 121 processor is a RISC (reduced instruction set computer) architecture embedded processor with a length of 64 bits, and 1 Shenwei Core3 Core, a 64-bit DDR3 memory controller, a standard PCI-E interface, a maintenance interface supporting debugging and management and a test interface conforming to the IEEE1149.1 standard are integrated in a single chip.

The gigabit Ethernet PHY chip is connected with three GMII/RGMII signals. The RTC chip feeds back a clock to the power 121 controller module. The video decoder is connected with VGA signals. And the RS232 driving and receiving controller is used for receiving two paths of RS232 signals.

The VPX connector module specifically comprises three connectors P0, P1 and P2. The P0 defines a generic P0 connector in the VPX specification that provides power input to a VPX 3U computer motherboard based on an explain 121 processor. The P1 and P2 define connectors in the VPX specification as differential signal and single point signal communication interfaces between the VPX 3U computer motherboard and backplane or other cards based on the explain 121 processor. The VPX bus is a new generation of high-speed serial bus standard developed by the vta (VME International trade association ) organization on the basis of its VME bus in 2007. The basic specifications, mechanical structure, and details of the bus signals of the VPX bus are defined in the ANSI/VITA46 series of specifications. The core of the VPX connector module is the MultiGig RT2, which has the advantages of compact connection, low insertion loss and low bit error rate compared with the traditional pin connector, and the data bandwidth supported by each differential contact pair can reach 10Gbit/s, and the silicon wafer has ESD ground layer and contact layer to prevent the accidental discharge during operation. Although the use of such high speed connectors sacrifices the hardware compatibility of VPX with earlier VME products, the disadvantages of incompatibility are more than compensated for in other ways, mainly in three ways: firstly, rapid I/O equipment can be configured directly from a backboard; this eliminates the problems of maintenance and shape and size due to the front end configuration; secondly, a path which can simply and effectively adopt various high-speed switch interconnection structures is provided for VME users; thirdly, a large number of I/O pins are defined to facilitate system upgrade and expansion.

It should be noted that DDR3(Double Data Rate3, third generation Double Data synchronous dynamic random access memory) refers to a memory specification. PCI-e (PCI express) refers to the enhanced peripheral interconnect standard, which is a bus standard for connecting electronic computer motherboards to peripheral devices. Gmii (gigabit Medium Independent interface) is a gigabit ethernet interface standard. RGMII (reduced Gigabit Medium Independent interface) is a simplified Gigabit Ethernet interface standard. I2C (Inter-Integrated Circuit) is a two-wire serial bus standard. The RTC (Real-Time Clock) is a Real-Time Clock. VGA (video Graphics array) is a video output standard. USB (Universal Serial bus) is an external bus standard. UART (Universal asynchronous receiver/Transmitter) is a type of Universal serial data bus. RS232 is an asynchronous transfer standard interface.

The technical proposal provided by the utility model is that the Shenwei 121 processor is integrated with one path of DDR3 storage controller interface and one path of PCI-E interface, wherein the PCI-E interface accords with the PCI-E2.0 standard, and is compared with the Shenwei 111 processor to replace the PCI interface into the PCI-E interface; the speed of each link is 8Gbps, so that the speed of data exchange and operation is greatly increased compared with that of a Shenwei 111 processor; the DDR3 storage controller interface is connected with the DDR3 memory granules, and the maximum capacity of the memory supported by the processor is increased to 8GB compared with that of the Shenwei 111 processor; one path of PCI-E is connected with VPX connector module. Compared with the traditional pin connector, the silicon wafer structure of the VPX connector module has the advantages of tight connection, small insertion loss, low bit error rate and the like, each differential contact pair can support data bandwidth of 10Gbit/s, and the silicon wafer is provided with an ESD grounding layer and a contact layer to prevent the influence of accidental discharge during operation. The utility model discloses a explain 121 the treater and accomplished functions such as multi-layer on-chip communication structure, memory controller, graphic image subsystem. The utility model adopts +12V power supply, which can provide 384W power at most; the Shenwei 121 processor which is completely independently designed in China is adopted, the Linux operating system is adopted, the software and hardware design is completely independently controllable, the safety is high, powerful guarantee is provided for information safety of national life-line industries such as power, communication, finance and national defense in China, functions of a multi-layer on-chip communication structure, a graphic image subsystem, storage and the like are completed through the Shenwei 121 processor, the credible guiding requirement of the system and the safety certification requirement of software are met, and meanwhile, the interface resources of the main board are rich, the compatibility is strong, and the requirements of different industries can be met.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A VPX 3U computer mainboard based on an Shenwei 121 processor is characterized by comprising the Shenwei 121 processor, a DDR3 module, a gigabit Ethernet PHY and a VPX connector module; the Shenwei 121 processor is connected with the DDR3, and the Shenwei 121 processor is connected with the gigabit Ethernet PHY; the Shenwei 121 processor is integrated with a DDR3 storage controller interface and a PCI-E interface, the DDR3 storage controller interface is connected with DDR3 memory particles, and the PCI-E interface is connected with a VPX connector module; the VPX connector module comprises connectors P0, P1 and P2, wherein the P0 is a general P0 connector defined in VPX specification and provides power supply input for a mainboard; the P1 and P2 are connectors defined in the VPX specification, and the connectors are communication interfaces between a mainboard and a backplane or other boards; specifically, the Shenwei 121 processor module is connected with a DDR3 module, three gigabit Ethernet PHY chips, an RTC chip, a video decoder, two paths of USB signals, two RS232 drive receiving controllers and an EMMC memory; the three gigabit Ethernet PHY chips are connected with three GMII/RGMII signals; the RTC chip feeds back a clock to the Shenwei 121 processor; the video decoder is connected with a VGA signal; and the two RS232 driving receiving controllers receive two paths of RS232 signals.