CA1171968A - Microprocessor architecture having internal access means - Google Patents

Microprocessor architecture having internal access means

Info

Publication number
CA1171968A
CA1171968A CA000409463A CA409463A CA1171968A CA 1171968 A CA1171968 A CA 1171968A CA 000409463 A CA000409463 A CA 000409463A CA 409463 A CA409463 A CA 409463A CA 1171968 A CA1171968 A CA 1171968A
Authority
CA
Canada
Prior art keywords
signal
control
test
bus
signals
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
CA000409463A
Other languages
English (en)
French (fr)
Inventor
Donald E. Blahut
Victor K. Huang
Jonathan A. Fields
Charles M. Lee
Masakazu Shoji
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.)
AT&T Corp
Original Assignee
Western Electric Co 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
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA1171968A publication Critical patent/CA1171968A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/36—Prevention of errors by analysis, debugging or testing of software
    • G06F11/362—Debugging of software
    • G06F11/3648—Debugging of software using additional hardware
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/2205—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested
    • G06F11/2236—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing using arrangements specific to the hardware being tested to test CPU or processors

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
  • Microcomputers (AREA)
  • Debugging And Monitoring (AREA)
CA000409463A 1981-08-24 1982-08-16 Microprocessor architecture having internal access means Expired CA1171968A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US295,857 1981-08-24
US06/295,857 US4403287A (en) 1981-08-24 1981-08-24 Microprocessor architecture having internal access means

Publications (1)

Publication Number Publication Date
CA1171968A true CA1171968A (en) 1984-07-31

Family

ID=23139508

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000409463A Expired CA1171968A (en) 1981-08-24 1982-08-16 Microprocessor architecture having internal access means

Country Status (5)

Country Link
US (1) US4403287A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (1) EP0086220A4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS58501346A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1171968A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1983000759A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4546433A (en) * 1981-07-04 1985-10-08 Gec Avionics Limited Arrangement for processing data in a two-dimensional array
JPS58105366A (ja) * 1981-12-16 1983-06-23 Fujitsu Ltd デバツグ機能を持つマイクロコンピユ−タ
JPS58178430A (ja) * 1982-04-14 1983-10-19 Oki Electric Ind Co Ltd マイクロプロセツサ
US4485472A (en) * 1982-04-30 1984-11-27 Carnegie-Mellon University Testable interface circuit
US4870644A (en) * 1982-09-21 1989-09-26 Xerox Corporation Control crash diagnostic strategy and RAM display
US4540903A (en) * 1983-10-17 1985-09-10 Storage Technology Partners Scannable asynchronous/synchronous CMOS latch
US4674089A (en) * 1985-04-16 1987-06-16 Intel Corporation In-circuit emulator
AU5634086A (en) 1985-05-06 1986-11-13 Wang Laboratories, Inc. Information processing system with enhanced instruction execution and support control
US5179716A (en) * 1986-07-02 1993-01-12 Advanced Micro Devices, Inc. Programmable expandable controller with flexible I/O
US4766593A (en) * 1986-12-22 1988-08-23 Motorola, Inc. Monolithically integrated testable registers that cannot be directly addressed
JPS63316117A (ja) * 1987-06-19 1988-12-23 Fanuc Ltd 信号出力装置
DE68925376T2 (de) * 1988-04-20 1996-09-05 Sanyo Electric Co In Direktabbildung und in Bankabbildung wirksamer Informationsprozessor und Verfahren zum Schalten der Abbildungsschemas
US5095267A (en) * 1990-03-19 1992-03-10 National Semiconductor Corporation Method of screening A.C. performance characteristics during D.C. parametric test operation
DE69130495T2 (de) * 1990-06-29 1999-06-24 Digital Equipment Corp., Maynard, Mass. Umwandlung der Befehle von internen Prozessorregistern in I/O-Adressraum
GB2266605B (en) * 1992-04-27 1995-10-11 Intel Corp Microprocessor having a run/stop pin for accessing an idle mode
GB2266606B (en) * 1992-04-27 1996-02-14 Intel Corp A microprocessor with an external command mode
GB2282244B (en) * 1993-09-23 1998-01-14 Advanced Risc Mach Ltd Integrated circuit
EP1079304A1 (en) * 1999-08-27 2001-02-28 Motorola Semiconducteurs S.A. Microprocessor with debugging system
DE19955757A1 (de) * 1999-11-19 2001-06-21 Infineon Technologies Ag Programmierbare Synchronisiereinheit für einen Signalempfänger

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1131085A (en) * 1966-03-25 1968-10-23 Secr Defence Improvements in or relating to the testing and repair of electronic digital computers
US3623011A (en) * 1969-06-25 1971-11-23 Bell Telephone Labor Inc Time-shared access to computer registers
US3898621A (en) * 1973-04-06 1975-08-05 Gte Automatic Electric Lab Inc Data processor system diagnostic arrangement
US4063080A (en) * 1976-06-30 1977-12-13 International Business Machines Corporation Method of propagation delay testing a level sensitive array logic system
JPS5352029A (en) * 1976-10-22 1978-05-12 Fujitsu Ltd Arithmetic circuit unit
US4128873A (en) * 1977-09-20 1978-12-05 Burroughs Corporation Structure for an easily testable single chip calculator/controller
JPS6041775B2 (ja) * 1978-08-25 1985-09-18 富士通株式会社 デ−タ処理システム
US4422141A (en) * 1979-07-30 1983-12-20 Bell Telephone Laboratories, Incorporated Microprocessor architecture for improved chip testability

Also Published As

Publication number Publication date
JPS58501346A (ja) 1983-08-11
US4403287A (en) 1983-09-06
EP0086220A1 (en) 1983-08-24
EP0086220A4 (en) 1986-02-13
WO1983000759A1 (en) 1983-03-03
JPH0332816B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1991-05-14

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Legal Events

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MKEC Expiry (correction)
MKEX Expiry