JPS5730439A - Control system for schedule of data transfer - Google Patents

Control system for schedule of data transfer

Info

Publication number
JPS5730439A
JPS5730439A JP10371880A JP10371880A JPS5730439A JP S5730439 A JPS5730439 A JP S5730439A JP 10371880 A JP10371880 A JP 10371880A JP 10371880 A JP10371880 A JP 10371880A JP S5730439 A JPS5730439 A JP S5730439A
Authority
JP
Japan
Prior art keywords
service
contents
station
register
registers
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
JP10371880A
Other languages
Japanese (ja)
Inventor
Shunichi Morisawa
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 JP10371880A priority Critical patent/JPS5730439A/en
Publication of JPS5730439A publication Critical patent/JPS5730439A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/22—Handling requests for interconnection or transfer for access to input/output bus using successive scanning, e.g. polling

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Small-Scale Networks (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE:To perform efficient data transfer to all subordinate stations by providing in a main station registers wherein frequencies, priority levels and starting points of services to the subordinate station. CONSTITUTION:A main station compares the contents of the 3rd registers A3, B3 and C3, showing states of subordinate stations A, B and C, with the execution level of service. When the contents of the register A3 corresponding to the station A reach the execution level of service, the service to the station A is started. On the completion of the service, the contents of the registers A2 and A3 are rewritten. The contents of the register A2 vary with transferred data. Namely, priority which corresponds to the data is held. Then, whether the service is offered or not is investigated by referring to the contents of the register B3 which corresponds to the station B. When its contents are at the execution level, the service is started. Similarly, the service to other subordinate stations is achieved successively.
JP10371880A 1980-07-30 1980-07-30 Control system for schedule of data transfer Pending JPS5730439A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10371880A JPS5730439A (en) 1980-07-30 1980-07-30 Control system for schedule of data transfer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10371880A JPS5730439A (en) 1980-07-30 1980-07-30 Control system for schedule of data transfer

Publications (1)

Publication Number Publication Date
JPS5730439A true JPS5730439A (en) 1982-02-18

Family

ID=14361464

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10371880A Pending JPS5730439A (en) 1980-07-30 1980-07-30 Control system for schedule of data transfer

Country Status (1)

Country Link
JP (1) JPS5730439A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156377A (en) * 1985-12-27 1987-07-11 三菱製紙株式会社 Control of digestion degree in continuous digester
JPS62230246A (en) * 1986-03-31 1987-10-08 Nec Corp Data transmission and reception system for semi-duplex line
JPH01298290A (en) * 1988-04-04 1989-12-01 Afora Oy Apparatus for continuosly sampling chemical liquid from pulp digester

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62156377A (en) * 1985-12-27 1987-07-11 三菱製紙株式会社 Control of digestion degree in continuous digester
JPS62230246A (en) * 1986-03-31 1987-10-08 Nec Corp Data transmission and reception system for semi-duplex line
JPH01298290A (en) * 1988-04-04 1989-12-01 Afora Oy Apparatus for continuosly sampling chemical liquid from pulp digester
JPH0345150B2 (en) * 1988-04-04 1991-07-10 Afuora Oy

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