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《Electrical Measurement & Instrumentation》 2001-01
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A kind of simple photoelectric-isolated RS-232 voltage conversion interface design

Wang Sansheng,Gu Biao (Department of Electrical Engineering and Applied Electronics ,Dalian University of Technology,Liaoning Dalian 116023,China)  
:A design method of a kind of practical photoelectric-isolated RS-232 voltage conversion interface is introduced .Making use of the method ,a connection circuit is designed, which does not need RS-232 voltage converter and fulfills voltage conversion by photoelectric coupler directly. At the same time, hardware connection circuit,complete communication protocols and software design of communication between MCS-51 single-chip microcomputer and PC computer are given.
【CateGory Index】: TP334.7
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Chinese Journal Full-text Database 10 Hits
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Chinese Journal Full-text Database 1 Hits
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