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Series-connected communication system and communication method thereof

A communication system and receiver technology, applied in the field of master-slave control communication, can solve the problems of signal interference, complex wiring, long bus, etc., and achieve the effect of improving communication efficiency, strong anti-interference ability, and fast communication speed

Active Publication Date: 2014-06-18
HANGZHOU SILAN MICROELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In this bus communication mode, when the number of slaves is large, the bus is longer, resulting in complex wiring, higher bus capacitance, lower communication frequency, and the signal is susceptible to interference
[0003] In this bus communication mode, it is difficult for the master to configure the address of the slave through the communication mode. Usually, it needs to be pre-configured by hardware to increase the complexity of the system.

Method used

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  • Series-connected communication system and communication method thereof
  • Series-connected communication system and communication method thereof
  • Series-connected communication system and communication method thereof

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Embodiment Construction

[0033] The content of the present invention will be further described below in conjunction with the accompanying drawings.

[0034] like figure 2 The serial communication system shown includes a master M and N slaves Si, i is an integer from 1 to N, the master M includes a sending end MT, the slave Si includes a receiving end SRi and a sending end STi, and the master sends The terminal MT is connected to the first slave receiver SR1, and the slave transmitter STi is serially connected to the next slave receiver SR(i+1); the connection can be in various forms such as single-wire, double-wire or multi-wire.

[0035] The slave machine Si also includes a communication mode register, which controls the slave machine to be in the direct mode or the cascade mode: when the slave machine Si is in the direct mode, the slave machine receiver SRi receives the data transmission sequence, and directly transmits the data transmission sequence to the slave machine The transmitting end STi, ...

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Abstract

The invention discloses a series-connected communication system comprising a mainframe and N slaves, wherein the mainframe comprises a sending end; each slave comprises a receiving end, a sending end and a communication mode register, wherein the sending end of the mainframe is connected with the receiving end of the first slave, the sending end of the slave is connected in series with the receiving end of the next slave, and the communication mode register controls the slaves to be in direct modes or cascade modes; when the slaves are in the direct modes, the receiving ends of the slaves receive data transmission time sequences and directly transmit the data transmission time sequences to the sending ends of the slaves; and when the slaves are in the cascade modes, the receiving ends of the salves receive and analyze the data transmission time sequences, judges whether the data transmission time sequences need to be sent or not according to an analyzed order and generate new data transmission time sequences to transmit to the sending ends of the slaves if the data transmission time sequences need to be sent. The mainframe can control a large number of the slaves by adopting the series-connected communication system for carrying out communication; and in addition, the invention has easy wiring and higher anti-interference capability and can also be used for conveniently and fast configuring the addresses of the slaves.

Description

technical field [0001] The invention relates to master-slave control communication technology. Background technique [0002] At present, the commonly used master-slave control communication mode adopts the bus structure, such as figure 1 As shown, each slave is connected to the master through the bus. In this bus communication mode, when the number of slaves is large, the bus is longer, resulting in complex wiring, higher bus capacitance, lower communication frequency, and signals that are susceptible to interference. [0003] In this bus communication mode, it is difficult for the master to configure the address of the slave through the communication mode. Usually, it needs to configure the hardware in advance, which increases the complexity of the system. Contents of the invention [0004] The present invention aims to solve the deficiencies of the prior art, and provides a serial connection communication system which is convenient for the host to control a large numbe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/42
Inventor 赵启永杨晶宋卫权
Owner HANGZHOU SILAN MICROELECTRONICS
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