Interface card for realizing opening flexiable series real-time communication system
Title：
Interface card for realizing opening flexiable series real-time communication system
Application Number：
 02159977
Application Date：
 2002/12/31
Announcement Date：
 2003/06/18
Pub. Date：
Publication Number：
 1424659
Announcement Number：
 1216333
Grant Date：
 2005-8-24
Granted Pub. Date：
 2005-8-24
ApplicationType：
 Invention
State/Country：
 11[China|beijing]
IPC：
 G06F 13/14, G06F 13/24
Applicant(s)：
 Tsinghua Univ.
Inventor(s)：
 Zhau Yannan, Jia Peifa, Yang Zehong
Key Words：
 Interface card, opening, flexiable series, real-time communication system
Abstract：
 This invention relates to numerical value control of computer and relates to hardware interface card achieving "soft" serial real time communication system of open type, including interface circuit for ISA bus, microprocessor of SERCOC protocol and its peripheral circuits and bus buffering circuit, logic controlling circuit section; after passing through the logic controlling circuit the signals in address bus turns on selectively the special microprocessor for SERCOC protocol; the read controlling parameters sent by the system software programs of the processor turned selectively on are processed into reporting document of SERCOC protocol and transmitted to the target controlled and driven through the peripheral circuits; the reporting document of periodical data back-fed by the target controlled and driven is read.
Claim：
Priority：
PCT：
LegalStatus：

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2008-4-17
  Selected patents owned by Tsinghua University filed in 2005 are loaded.
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