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Data communication device, communication control method, and program

一种数据通信、设备的技术，应用在同步信号速度/相位控制、电磁信号存储器、电气元件等方向，能够解决处理效率降低等问题，达到实现控制的效果

Inactive Publication Date: 2010-06-16
SONY GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In changing configurations where transfer speed increases, processing efficiency drops significantly

Method used

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  • Data communication device, communication control method, and program
  • Data communication device, communication control method, and program
  • Data communication device, communication control method, and program

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0064] Referring to the drawings, a data communication device, a communication control method, and a program according to an embodiment of the present invention will be described below. Description will be made sequentially in accordance with the items listed below.

[0065] (1) Example of configuration of data communication system and data communication equipment

[0066] (2) Example of transmission speed identification processing 1 performed by data communication equipment

[0067] (3) Example of transmission speed identification processing 2 performed by data communication equipment

[0068] (4) Concrete example of communication processing

[0069] (5) Details of processing performed by the data communication device

[0070] (6) Processing sequence followed by data communication equipment

[0071] (1) Example of configuration of data communication system and data communication equipment

[0072] First, a data communication system to which the present invention can be a...

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PUM

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Abstract

A data communication device includes: a communication execution unit that executes serial communication of an asynchronous type; a bit variance detection block that detects a variance between bits in communication data which the communication execution unit receives from a remote communicating party; a timer that measures a low-level pulse width which is a low-level pulse duration and which is determined with the position of the variance between bits detected by the bit variance detection block; and a control unit that performs transmission speed recognizing processing on the communication data according to the low-level pulse width measured by the timer, wherein based on the confirmation that the low-level pulse width is a low-level pulse width equivalent to a bit width compatible with low-speed communication data, the control unit recognizes the transmission speed for the communication data as a low speed.

Description

technical field [0001] The present invention relates to a data communication device, a communication control method and a program. More specifically, the present invention relates to a data communication device, a communication control method, and a program that perform asynchronous type serial communication. Background technique [0002] As one of communication methods for communicating data by serial communication, an asynchronous method is known. refer to Figure 1A and Figure 1B , the serial data communication according to the asynchronous method will be outlined below. Figure 1A shows an example of a communication topology for serial data communication according to an asynchronous method, Figure 1B An example of the data structure of communication data is shown. [0003] For example, in Figure 1A Serial data communication is performed between a communication section (master) 10 and a communication section (slave) 20 shown. Each of the communication section (mast...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L7/04H04L29/08
CPCH04L25/05
Inventor 熊田昌司
Owner SONY GRP CORP