JPS53137602A - Control unit for common line signal - Google Patents

Control unit for common line signal

Info

Publication number
JPS53137602A
JPS53137602A JP5204577A JP5204577A JPS53137602A JP S53137602 A JPS53137602 A JP S53137602A JP 5204577 A JP5204577 A JP 5204577A JP 5204577 A JP5204577 A JP 5204577A JP S53137602 A JPS53137602 A JP S53137602A
Authority
JP
Japan
Prior art keywords
common line
line signal
control unit
signal
filling
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.)
Granted
Application number
JP5204577A
Other languages
Japanese (ja)
Other versions
JPS5636626B2 (en
Inventor
Eiji Aoki
Toshiaki Atsumi
Asaji Sakakibara
Hideaki Yumiba
Shuji Tomita
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.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
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 Hitachi Ltd, Nippon Telegraph and Telephone Corp filed Critical Hitachi Ltd
Priority to JP5204577A priority Critical patent/JPS53137602A/en
Publication of JPS53137602A publication Critical patent/JPS53137602A/en
Publication of JPS5636626B2 publication Critical patent/JPS5636626B2/ja
Granted 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
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
    • G06F13/4204—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus
    • G06F13/4221—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus
    • G06F13/423—Bus transfer protocol, e.g. handshake; Synchronisation on a parallel bus being an input/output bus, e.g. ISA bus, EISA bus, PCI bus, SCSI bus with synchronous protocol

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Communication Control (AREA)

Abstract

PURPOSE:To eliminate the ineffective load of exchanging CPU, by transmitting and receiving the filling signal in the common line signal unit, in a synchronous type common line signal system retransmitting the final significant signal as a filling signal in idling.
JP5204577A 1977-05-09 1977-05-09 Control unit for common line signal Granted JPS53137602A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5204577A JPS53137602A (en) 1977-05-09 1977-05-09 Control unit for common line signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5204577A JPS53137602A (en) 1977-05-09 1977-05-09 Control unit for common line signal

Publications (2)

Publication Number Publication Date
JPS53137602A true JPS53137602A (en) 1978-12-01
JPS5636626B2 JPS5636626B2 (en) 1981-08-25

Family

ID=12903837

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5204577A Granted JPS53137602A (en) 1977-05-09 1977-05-09 Control unit for common line signal

Country Status (1)

Country Link
JP (1) JPS53137602A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63253770A (en) * 1987-04-10 1988-10-20 Hitachi Ltd Picture transmission system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63253770A (en) * 1987-04-10 1988-10-20 Hitachi Ltd Picture transmission system

Also Published As

Publication number Publication date
JPS5636626B2 (en) 1981-08-25

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