A LXI bus interface

Abstract

The invention relates to LXI bus interface which includes digital signal processing chip, network interface circuit which is used to be connected with computer, faucet which is used to be connected with function circuit of radar monitoring equipment. The digital signal processing chip possesses data memory, program memory; the interrupt output, interrupt input, reposition output of the digital signal processing chip are separately connected with the interrupt input, interrupt output, reposition input of the function circuit; the data bus, address bus, piece-selecting line, reading and writing line of the digital signal processing chip are separately used to be connected with the data bus, address bus, piece-selecting line, reading and writing line of function circuit double data memory. The invention possesses perfect currency, and fits for circuit with any concrete function; the flexibility is high, fits for cooperation of researching personnel.

Description

technical field [0001] The invention relates to high-frequency ground-wave marine radar environment monitoring equipment, in particular to an LXI bus interface in the high-frequency ground-wave marine radar environment monitoring equipment. Background technique [0002] LXI (LAN extension for Instrument), that is, the instrument extension bus of the local area network, it is based on the industry standard Ethernet technology, adding the specifications, languages, commands, protocols and other content required by the instrument system, thus forming a new generation of module instrument interface specifications, LXI does not have Limited by bandwidth, software, or computer chassis architecture, it can take advantage of increasing Ethernet throughput, providing an ideal solution for next-generation automated test systems. [0003] The host machine of the high-frequency ground wave marine radar environment monitoring equipment includes a multi-channel receiver module, a synchron...

AI Technical Summary

Problems solved by technology

[0004] At present, the LXI interface is mainly designed by hardware design engineers according to the specific application of the equipment. Different equipment has different LXI interfaces, and the LXI interface is closely related to the specific functional circuits of the equipment. Standardized design ideas reduce the reliability of the equipment, which is not conducive to the division of labor and cooperation of equipment R&D personnel, and increases the difficulty and cost of R&D

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