JPS5757325A - Real time processing system - Google Patents

Real time processing system

Info

Publication number
JPS5757325A
JPS5757325A JP55133558A JP13355880A JPS5757325A JP S5757325 A JPS5757325 A JP S5757325A JP 55133558 A JP55133558 A JP 55133558A JP 13355880 A JP13355880 A JP 13355880A JP S5757325 A JPS5757325 A JP S5757325A
Authority
JP
Japan
Prior art keywords
real time
processor
information
processors
internal counter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP55133558A
Other languages
Japanese (ja)
Inventor
Shigeto Shimada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP55133558A priority Critical patent/JPS5757325A/en
Publication of JPS5757325A publication Critical patent/JPS5757325A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
    • G06F15/177—Initialisation or configuration control

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)

Abstract

PURPOSE:To ensure the real time process with high accuracy for plural processors installed at remote places, by effectively using a standard watch having the function of a battery backup device. CONSTITUTION:A main processor 1011 reads the real time information out of a standard watch 104 and holds the information in its internal counter to start a real time operation. On the other hand, secondary processors 1012-101m give a request to the processor 1011 to transmit the real time information in prior to the real time operation of each secondary processors. This request of transmission is accepted at the processor 1011 via each station and each transmission line that carry out the control for transmission of data with the bit serial mode. Then, the processor 1011 sends back the real time information of the internal counter via each station and transmission line. Receiving this information, each secondary processor performs a replacement for its internal counter to start the real time operation with this replaced counter. Thus the processors at remote places can perform the real time process with high accuracy.
JP55133558A 1980-09-25 1980-09-25 Real time processing system Pending JPS5757325A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP55133558A JPS5757325A (en) 1980-09-25 1980-09-25 Real time processing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP55133558A JPS5757325A (en) 1980-09-25 1980-09-25 Real time processing system

Publications (1)

Publication Number Publication Date
JPS5757325A true JPS5757325A (en) 1982-04-06

Family

ID=15107609

Family Applications (1)

Application Number Title Priority Date Filing Date
JP55133558A Pending JPS5757325A (en) 1980-09-25 1980-09-25 Real time processing system

Country Status (1)

Country Link
JP (1) JPS5757325A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63262747A (en) * 1987-04-20 1988-10-31 Fujitsu Ltd Automatic timer initialization system in multi-processor system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63262747A (en) * 1987-04-20 1988-10-31 Fujitsu Ltd Automatic timer initialization system in multi-processor system

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