DE2758160C2 - - Google Patents

Info

Publication number
DE2758160C2
DE2758160C2 DE2758160A DE2758160A DE2758160C2 DE 2758160 C2 DE2758160 C2 DE 2758160C2 DE 2758160 A DE2758160 A DE 2758160A DE 2758160 A DE2758160 A DE 2758160A DE 2758160 C2 DE2758160 C2 DE 2758160C2
Authority
DE
Germany
Prior art keywords
key
logic
flip
keypad
program 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.)
Expired
Application number
DE2758160A
Other languages
German (de)
English (en)
Other versions
DE2758160A1 (de
Inventor
Stephen J. Houston Tex. Us Easley
George Lawrence Richardson Tex. Us Brantingham
Graham S. Houston Tex. Us Tubbs
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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
Priority claimed from US05/767,086 external-priority patent/US4100606A/en
Priority claimed from US05/767,084 external-priority patent/US4112495A/en
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Priority to DE2760416A priority Critical patent/DE2760416C2/de
Publication of DE2758160A1 publication Critical patent/DE2758160A1/de
Application granted granted Critical
Publication of DE2758160C2 publication Critical patent/DE2758160C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/32—Address formation of the next instruction, e.g. by incrementing the instruction counter
    • G06F9/322—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address
    • G06F9/323—Address formation of the next instruction, e.g. by incrementing the instruction counter for non-sequential address for indirect branch instructions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/125—Discriminating pulses
    • H03K5/1252—Suppression or limitation of noise or interference

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Executing Machine-Instructions (AREA)
  • Calculators And Similar Devices (AREA)
  • Microcomputers (AREA)
DE19772758160 1976-12-27 1977-12-27 Mikroprozessoranordnung und zugehoerige verzweigungssteueranordnung Granted DE2758160A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE2760416A DE2760416C2 (de) 1976-12-27 1977-12-27 Verzweigungssteueranordnung für eine elektronische Datenverarbeitungsanordnung

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US75779176A 1976-12-27 1976-12-27
US76699877A 1977-02-09 1977-02-09
US05/767,086 US4100606A (en) 1977-02-09 1977-02-09 Key debounce system for electronic calculator or microprocessor
US05/767,084 US4112495A (en) 1977-02-09 1977-02-09 Electronic calculator or microprocessor having a selectively loadable instruction register

Publications (2)

Publication Number Publication Date
DE2758160A1 DE2758160A1 (de) 1978-07-20
DE2758160C2 true DE2758160C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-08-13

Family

ID=27505681

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19772758160 Granted DE2758160A1 (de) 1976-12-27 1977-12-27 Mikroprozessoranordnung und zugehoerige verzweigungssteueranordnung
DE2760415A Expired - Lifetime DE2760415C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-12-27 1977-12-27

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE2760415A Expired - Lifetime DE2760415C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-12-27 1977-12-27

Country Status (2)

Country Link
JP (1) JPS5383544A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE2758160A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5024770A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1973-07-05 1975-03-17
US3919532A (en) 1973-09-13 1975-11-11 Texas Instruments Inc Calculator system having an exchange data memory register
US3934233A (en) 1973-09-24 1976-01-20 Texas Instruments Incorporated Read-only-memory for electronic calculator
US3988604A (en) 1974-11-19 1976-10-26 Raymond Jr Joseph H Electronic calculator or digital processor chip having multiple function arithmetic unit output
US3931507A (en) 1974-11-26 1976-01-06 Texas Instruments Incorporated Power-up clear in an electronic digital calculator
DE2516370C3 (de) * 1975-04-15 1983-01-05 Nixdorf Computer Ag, 4790 Paderborn Verfahren und Schaltungsanordnung zur Ermittelung der Betätigung der Tasten eines Tastenfeldes

Also Published As

Publication number Publication date
DE2758160A1 (de) 1978-07-20
JPS6218938B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1987-04-25
DE2760415C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-10-17
JPS5383544A (en) 1978-07-24

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8128 New person/name/address of the agent

Representative=s name: PRINZ, E., DIPL.-ING. LEISER, G., DIPL.-ING., PAT.

8125 Change of the main classification

Ipc: G06F 9/26

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8364 No opposition during term of opposition
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