JPS5423402A - Frame returning system - Google Patents

Frame returning system

Info

Publication number
JPS5423402A
JPS5423402A JP8839977A JP8839977A JPS5423402A JP S5423402 A JPS5423402 A JP S5423402A JP 8839977 A JP8839977 A JP 8839977A JP 8839977 A JP8839977 A JP 8839977A JP S5423402 A JPS5423402 A JP S5423402A
Authority
JP
Japan
Prior art keywords
frame
returning system
frame returning
return
reduced
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
JP8839977A
Other languages
Japanese (ja)
Other versions
JPS5722496B2 (en
Inventor
Yuzo Maeda
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
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP8839977A priority Critical patent/JPS5423402A/en
Publication of JPS5423402A publication Critical patent/JPS5423402A/en
Publication of JPS5722496B2 publication Critical patent/JPS5722496B2/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)
  • Dc Digital Transmission (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)

Abstract

PURPOSE:To ensure a return featuring a reduced hard quantity as well as the reduced evil effect caused by the malfucntion to CPU, by returning directly the bit pattern of the first byte in the frame when the return frame is received.
JP8839977A 1977-07-25 1977-07-25 Frame returning system Granted JPS5423402A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8839977A JPS5423402A (en) 1977-07-25 1977-07-25 Frame returning system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8839977A JPS5423402A (en) 1977-07-25 1977-07-25 Frame returning system

Publications (2)

Publication Number Publication Date
JPS5423402A true JPS5423402A (en) 1979-02-22
JPS5722496B2 JPS5722496B2 (en) 1982-05-13

Family

ID=13941704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8839977A Granted JPS5423402A (en) 1977-07-25 1977-07-25 Frame returning system

Country Status (1)

Country Link
JP (1) JPS5423402A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5787646A (en) * 1980-11-20 1982-06-01 Ricoh Co Ltd Data transmission testing device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60139598U (en) * 1984-02-28 1985-09-14 三菱重工業株式会社 Ship turning motion control device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5787646A (en) * 1980-11-20 1982-06-01 Ricoh Co Ltd Data transmission testing device

Also Published As

Publication number Publication date
JPS5722496B2 (en) 1982-05-13

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