JPS57176447A - A plurality word instantaneous input type digital input circuit system - Google Patents

A plurality word instantaneous input type digital input circuit system

Info

Publication number
JPS57176447A
JPS57176447A JP56062130A JP6213081A JPS57176447A JP S57176447 A JPS57176447 A JP S57176447A JP 56062130 A JP56062130 A JP 56062130A JP 6213081 A JP6213081 A JP 6213081A JP S57176447 A JPS57176447 A JP S57176447A
Authority
JP
Japan
Prior art keywords
word
data
detection circuit
signal
rbr17
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
JP56062130A
Other languages
English (en)
Japanese (ja)
Other versions
JPS636896B2 (enrdf_load_stackoverflow
Inventor
Shuichi Akimoto
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP56062130A priority Critical patent/JPS57176447A/ja
Publication of JPS57176447A publication Critical patent/JPS57176447A/ja
Publication of JPS636896B2 publication Critical patent/JPS636896B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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)
  • Input From Keyboards Or The Like (AREA)
JP56062130A 1981-04-24 1981-04-24 A plurality word instantaneous input type digital input circuit system Granted JPS57176447A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56062130A JPS57176447A (en) 1981-04-24 1981-04-24 A plurality word instantaneous input type digital input circuit system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56062130A JPS57176447A (en) 1981-04-24 1981-04-24 A plurality word instantaneous input type digital input circuit system

Publications (2)

Publication Number Publication Date
JPS57176447A true JPS57176447A (en) 1982-10-29
JPS636896B2 JPS636896B2 (enrdf_load_stackoverflow) 1988-02-12

Family

ID=13191178

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56062130A Granted JPS57176447A (en) 1981-04-24 1981-04-24 A plurality word instantaneous input type digital input circuit system

Country Status (1)

Country Link
JP (1) JPS57176447A (enrdf_load_stackoverflow)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335324A (en) * 1976-09-13 1978-04-01 Casio Comput Co Ltd Key input system
JPS5535664U (enrdf_load_stackoverflow) * 1978-08-31 1980-03-07
JPS5547739A (en) * 1978-09-30 1980-04-04 Toshiba Corp Input circuit
JPS55123759A (en) * 1979-03-15 1980-09-24 Nec Corp Invalid code set system
JPS55134434A (en) * 1979-04-05 1980-10-20 Mitsubishi Electric Corp Decoding unit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5335324A (en) * 1976-09-13 1978-04-01 Casio Comput Co Ltd Key input system
JPS5535664U (enrdf_load_stackoverflow) * 1978-08-31 1980-03-07
JPS5547739A (en) * 1978-09-30 1980-04-04 Toshiba Corp Input circuit
JPS55123759A (en) * 1979-03-15 1980-09-24 Nec Corp Invalid code set system
JPS55134434A (en) * 1979-04-05 1980-10-20 Mitsubishi Electric Corp Decoding unit

Also Published As

Publication number Publication date
JPS636896B2 (enrdf_load_stackoverflow) 1988-02-12

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