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One-master multi-slave high-speed synchronous serial communication data transmission method

A high-speed synchronization and serial data technology, applied in the field of data transmission, can solve the problems of high data transmission rate requirements and low transmission bit error rate, and achieve the effects of simple structure, low transmission bit error rate and fewer transmission lines.

Inactive Publication Date: 2015-09-30
HENAN UNIV OF SCI & TECH
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Problems solved by technology

[0005] To sum up, the "one master and multiple slaves" data transmission method has the following problems: on the one hand, based on the real-time requirements, the data transmission rate is high; on the other hand, based on the requirements of low cost and transmission accuracy, the requirements The data transmission system has a simple structure, fewer transmission lines, and a low transmission bit error rate

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  • One-master multi-slave high-speed synchronous serial communication data transmission method
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  • One-master multi-slave high-speed synchronous serial communication data transmission method

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Embodiment Construction

[0039] In order to ensure the high-speed and effective transmission of complex control system and measurement system data, the data transmission system must support high data transmission rate, low bit error rate and high real-time performance. high demands.

[0040] The data transmission topology structure diagram of the present invention is as follows image 3 shown. Depend on image 3 It can be seen from the figure that the high-speed synchronous serial data transmission method based on one master and multiple slaves designed by the present invention includes a master A and multiple slaves B. Host A shares a ground wire and a signal wire with each slave for high-speed data transmission.

[0041] The host computer A sends a collection command signal, which is encoded by a programmable logic device and then transmitted, and the corresponding slave machine accepts the command and responds according to the host computer command, specifically based on a high-speed synchronous...

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Abstract

Provided is a one-master multi-slave high-speed synchronous serial communication data transmission method, which is suitable for the field of master-slave multi-channel high-speed transmission. Data to be transmitted and a communication clock are modulated to one signal line in a coding manner and the data are transmitted by the one-master multi-slave mode, thereby simplifying the system communication structure, reducing the number of communication lines and the communication cost and increasing the transmission speed. In addition, an excellent serial synchronous clock is obtained by the decoding method, thereby reducing the bit error rate of transmission.

Description

technical field [0001] The invention relates to a data transmission method, in particular to a high-speed synchronous serial communication data transmission method with one master and multiple slaves. Background technique [0002] At present, large-scale industrial on-site signal acquisition nodes are scattered and numerous, and the efficiency of manual on-site acquisition is low, especially in applications where the acquisition points are located in high-temperature, high-humidity, and high-noise environments. On-site acquisition cannot be performed manually, and the data collected by manual methods is redundant and inconvenient. Unified management. The serial communication of "one master and multiple slaves" greatly improves the efficiency of data collection and solves the problem of inconvenient management caused by redundant data through the data collection and transmission of multiple collection points, and the host computer uniformly records and manages the data inform...

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Application Information

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IPC IPC(8): H04L1/00
CPCH04L1/0076H04L1/0083
Inventor 徐巧玉王卫敏王军委王红梅李坤鹏
Owner HENAN UNIV OF SCI & TECH
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