CA1157161A - Digital signal processor suited for lsi fabrication - Google Patents

Digital signal processor suited for lsi fabrication

Info

Publication number
CA1157161A
CA1157161A CA000375228A CA375228A CA1157161A CA 1157161 A CA1157161 A CA 1157161A CA 000375228 A CA000375228 A CA 000375228A CA 375228 A CA375228 A CA 375228A CA 1157161 A CA1157161 A CA 1157161A
Authority
CA
Canada
Prior art keywords
input
data
circuit
supplied
dual
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
CA000375228A
Other languages
English (en)
French (fr)
Inventor
Akira Kanemasa
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.)
NEC Corp
Original Assignee
Nippon Electric Co 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Application granted granted Critical
Publication of CA1157161A publication Critical patent/CA1157161A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
    • G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
    • G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
    • G06F7/499—Denomination or exception handling, e.g. rounding or overflow
    • G06F7/49905—Exception handling
    • G06F7/4991—Overflow or underflow

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Pure & Applied Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Complex Calculations (AREA)
CA000375228A 1980-04-18 1981-04-10 Digital signal processor suited for lsi fabrication Expired CA1157161A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP51272/'80 1980-04-18
JP5127280A JPS56147260A (en) 1980-04-18 1980-04-18 Lsi for digital signal processing

Publications (1)

Publication Number Publication Date
CA1157161A true CA1157161A (en) 1983-11-15

Family

ID=12882307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000375228A Expired CA1157161A (en) 1980-04-18 1981-04-10 Digital signal processor suited for lsi fabrication

Country Status (4)

Country Link
US (1) US4407018A (Direct)
JP (1) JPS56147260A (Direct)
CA (1) CA1157161A (Direct)
FR (1) FR2480968A1 (Direct)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58111096A (ja) * 1981-12-25 1983-07-01 ヤマハ株式会社 電子楽器のデイジタルフイルタ装置
US4547862A (en) * 1982-01-11 1985-10-15 Trw Inc. Monolithic fast fourier transform circuit
JPS5932216A (ja) * 1982-08-17 1984-02-21 Sony Corp ディジタル信号処理回路及びディジタルフィルタ
EP0137464B1 (en) * 1983-10-05 1991-06-12 Nec Corporation A digital signal processing apparatus having a digital filter
US4750145A (en) * 1984-03-20 1988-06-07 Hewlett-Packard Company Doppler AGC using overflow counters internal to FFT
US4683547A (en) * 1984-10-25 1987-07-28 International Business Machines Corporation Special accumulate instruction for multiple floating point arithmetic units which use a putaway bus to enhance performance
US4748579A (en) * 1985-08-14 1988-05-31 Gte Laboratories Incorporated Method and circuit for performing discrete transforms
US4754412A (en) * 1985-10-07 1988-06-28 Schlumberger Systems & Services, Inc. Arithmetic logic system using the output of a first alu to control the operation of a second alu
US4791590A (en) * 1985-11-19 1988-12-13 Cornell Research Foundation, Inc. High performance signal processor
JPH0782341B2 (ja) * 1986-10-04 1995-09-06 株式会社河合楽器製作所 電子楽器
US5481488A (en) * 1994-10-21 1996-01-02 United Microelectronics Corporation Block floating point mechanism for fast Fourier transform processor
FR2731793B1 (fr) * 1995-03-16 1997-06-06 France Telecom Dispositif de protection d'un transducteur de pression pour cable de transmission ou autre
US20030023779A1 (en) * 2001-07-13 2003-01-30 Hideo Mizutani Symbol window correlative operation circuit and address generation circuit therefor
US6993544B2 (en) * 2002-08-27 2006-01-31 Broadcom Corporation Limit-cycle oscillation suppression method, system, and computer program product
US7197525B2 (en) * 2002-11-26 2007-03-27 Analog Devices, Inc. Method and system for fixed point fast fourier transform with improved SNR

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5166746A (ja) * 1974-12-06 1976-06-09 Fujitsu Ltd Naisekienzanshorikairo
FR2296221A1 (fr) * 1974-12-27 1976-07-23 Ibm France Systeme de traitement du signal
US4020334A (en) * 1975-09-10 1977-04-26 General Electric Company Integrated arithmetic unit for computing summed indexed products
US4128890A (en) * 1977-06-29 1978-12-05 General Electric Company Integrated arithmetic unit and digital networks using the unit
US4157589A (en) * 1977-09-09 1979-06-05 Gte Laboratories Incorporated Arithmetic logic apparatus
US4161784A (en) * 1978-01-05 1979-07-17 Honeywell Information Systems, Inc. Microprogrammable floating point arithmetic unit capable of performing arithmetic operations on long and short operands
FR2425773B1 (fr) * 1978-05-10 1986-05-30 Nippon Electric Co Filtre numerique

Also Published As

Publication number Publication date
JPH0315219B2 (Direct) 1991-02-28
JPS56147260A (en) 1981-11-16
FR2480968A1 (fr) 1981-10-23
FR2480968B1 (Direct) 1984-11-30
US4407018A (en) 1983-09-27

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