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OpenVPX framework-based high-speed backboard

A high-speed backplane and board technology, which is applied in the direction of support structure installation, electrical equipment construction parts, program control devices, etc., can solve the complex signal of the information processing platform backplane, poor generalization and scalability of equipment, and board software upgrades Complicated maintenance and other issues to ensure signal integrity, solve complex design, and facilitate PCB wiring

Inactive Publication Date: 2018-03-30
HUBEI SANJIANG SPACE XIANFENG ELECTRONICS&INFORMATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] Aiming at the above defects or improvement needs of the prior art, the present invention provides a high-speed backplane based on the OpenVPX architecture. Insufficient bandwidth, poor generalization and scalability of equipment, and complex software upgrade and maintenance of boards

Method used

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  • OpenVPX framework-based high-speed backboard

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0043] The high-speed backplane based on the OpenVPX architecture provided by the embodiment, its topology is as follows figure 1 As shown, the master-slave topology structure is composed of the switch board slot as the main slot and the acquisition board slot and signal processing board slot as the slaves;

[0044] The bus between the slots is divided according to the function, including the c...

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Abstract

The invention discloses an OpenVPX framework-based high-speed backboard. The backboard comprises a bus interface circuit and a support module realized by adopting an SOC hardware circuit, wherein thebus interface circuit comprises an exchange board slot position, three signal processing board slot positions, a collection board slot position, an interface conversion board slot position and a powerboard slot position. Through the support module, configuration management of load board cards carried by the slot positions is realized, which comprises the processes of receiving a synchronous signal and a reset signal provided by the exchange board slot position, transmitting the signals to other slot positions, and setting a state of an I / O pin during initialization to configure function states of the slot positions; and the OpenVPX framework-based high-speed backboard provided by the invention solves the problems of complex design and poor flexibility and expansibility of an existing 3U VPX bus communication circuit.

Description

technical field [0001] The invention belongs to the technical field of high-performance embedded real-time processing circuits, and in particular relates to a high-speed backplane based on the OpenVPX architecture. Background technique [0002] The main function of the high-speed communication interconnection backplane is to realize high-speed signal interconnection between modules on the backplane. The current high-speed communication interconnection backplane is often designed according to the actual system application, the topology and hierarchical division are not obvious, the modules on the backplane are not universal, the circuit design is complicated, and the flexibility and scalability of the circuit are poor. [0003] The OpenVPX standard is a high-reliability computer standard issued by the VITA organization for military, aerospace, national defense and other fields to solve the compatibility and interoperability problems between devices from different manufacturer...

Claims

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Application Information

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IPC IPC(8): G06F13/38G06F13/40G06F11/30G06F9/445H05K7/14
CPCG06F8/65G06F11/3024G06F11/3055G06F11/3058G06F13/385G06F13/409H05K7/1459
Inventor 郭亮张晋
Owner HUBEI SANJIANG SPACE XIANFENG ELECTRONICS&INFORMATION CO LTD
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