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Reflective memory card and access method for reflective memory net and reflective memory card

A reflective memory card and access method technology, applied in resource allocation, multi-program device, program control device, etc., can solve the lack of serial communication interface of reflective memory card, research and application limitations of reflective memory card, poor portability, etc. problem, to achieve the effect of supporting cross-platform transmission, improving memory size, and low price

Inactive Publication Date: 2015-05-13
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The present invention aims to solve the problem that the research and application of the existing reflective memory card are severely restricted, and also to meet the domestic demand for reflective memory-related products, and also to solve the lack of serial communication interface and memory in the existing reflective memory card. Disadvantages of small size, poor portability and high cost

Method used

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  • Reflective memory card and access method for reflective memory net and reflective memory card
  • Reflective memory card and access method for reflective memory net and reflective memory card
  • Reflective memory card and access method for reflective memory net and reflective memory card

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specific Embodiment approach 1

[0038] Specific implementation mode 1, refer to figure 1 with figure 2 Specifically illustrate the present embodiment, the reflective memory card described in the present embodiment, it comprises network control module 1, serial communication interface module 2, memory processing module 3 and PCI interface module 4;

[0039] Network control module 1 includes photoelectric conversion module 1-1, parallel-to-serial conversion module 1-2 and network data processing module 1-3; Line communication interface module 2, memory processing module 3 and PCI interface module 4;

[0040] The network control module 1 includes a photoelectric conversion module 1-1, a parallel-serial conversion module 1-2 and a network data processing module 1-3;

[0041] The network data processing module 1-3 includes a sending data arbitration module 1-31, a receiving data distribution module 1-32, a photoelectric conversion control logic module 1-33, a serial-to-parallel conversion control logic module ...

specific Embodiment approach 2

[0056] Specific implementation mode two, refer to image 3 Describe this embodiment in detail. This embodiment is a further description of the reflective memory card described in Embodiment 1. In this embodiment, the sending data arbitration module 1-31 includes an arbitration module 1-311 and a data stream multiplexer Module 1-312;

[0057] The arbitration module 1-311 is used to receive the SDR_FIFO status signal sent by the PCI interface module 4, the RF_FIFO status signal sent by the receiving data distribution module 1-32 and the IN_FIFO status signal sent by the serial communication interface module 2, and check the received SDR_FIFO status signal signal, RF_FIFO status signal and IN_FIFO status signal are arbitrated and output control signals to the data stream multiplexer module 1-312;

[0058] The data stream multiplexer module 1-312 is used to receive the control signal sent by the arbitration module 1-311, receive the interrupt data packet / general data packet sent ...

specific Embodiment approach 3

[0059] Specific implementation mode three, refer to Figure 4 Describe this embodiment in detail. This embodiment is a further description of the reflective memory card described in Embodiment 1. In this embodiment, the receiving data distribution module 1-32 includes a data packet disassembly module 1-321, a data packet Type judging module 1-322 and node address judging module 1-323;

[0060] The data packet disassembly module 1-321 is used to receive the general data packet / interrupt data packet sent by the codec controller module 1-35, the control signal sent by the data packet type judging module 1-322, and the node address judging module 1-323 Send the clear signal, and disassemble the received general data packet / interrupt data packet, control signal and clear signal, then output the node data packet to the sending data arbitration module 1-31, output the interrupt vector to the PCI interface module 4, Output network data packet to memory processing module 3, output fra...

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Abstract

The invention provides a reflective memory card and an access method for a reflective memory net and the reflective memory card, and relates to the technical field of reflective memories. The problem that research and application of the existing reflective memory card are limited severely is solved. The reflective memory card comprises a network control module, a serial communication interface module, a memory processing module and a PCI (peripheral component interconnect) interface module; the network control module comprises a photoelectric conversion module, a parallel-serial conversion module and a network data processing module; and the network data processing module comprises a transmitted data arbitration module, a received data distribution module, a photoelectric conversion control logic module, a serial-parallel conversion control logic module and a coding and decoding controller module. The reflective memory card is set up by setting up data transmission of all the modules. The inner structure of the reflective memory card is set up further by further setting up the transmitted data arbitration module and the received data distribution module. The reflective memory card and the access method for the reflective memory net and the reflective memory card are suitable for research and application on the reflective memory net.

Description

technical field [0001] The invention relates to the technical field of reflective memory. Background technique [0002] The research and application of reflective memory series products are very extensive abroad. In China, such products are constantly being used in various aspects of real-time communication systems, such as hardware-in-the-loop simulation systems, real-time data storage systems and real-time testing systems. In domestic research, reflective memory network is mainly composed of foreign off-the-shelf reflective memory cards, which is expensive, high cost, and limited by authority in application. At present, there are relatively few researches and applications on reflective memory cards in China, and even fewer self-designed reflective memory cards. Therefore, it is very necessary to develop and design reflective memory cards. [0003] In terms of function, the existing reflective memory card has the shortcoming of lacking a serial communication interface to ...

Claims

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Application Information

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IPC IPC(8): G06F9/455G06F9/50
Inventor 魏长安赵嘉宇许永辉孙超姜守达
Owner HARBIN INST OF TECH
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