DE69614442D1 - Microcomputer - Google Patents

Microcomputer

Info

Publication number
DE69614442D1
DE69614442D1 DE69614442T DE69614442T DE69614442D1 DE 69614442 D1 DE69614442 D1 DE 69614442D1 DE 69614442 T DE69614442 T DE 69614442T DE 69614442 T DE69614442 T DE 69614442T DE 69614442 D1 DE69614442 D1 DE 69614442D1
Authority
DE
Germany
Prior art keywords
microcomputer
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 - Lifetime
Application number
DE69614442T
Other languages
German (de)
Other versions
DE69614442T2 (en
Inventor
Hiroshi Ohsuga
Atsushi Kiuchi
Hironobu Hasegawa
Toru Baji
Koki Noguchi
Yasushi Akao
Shiro Baba
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 claimed from US09/229,147 external-priority patent/US6434690B1/en
Publication of DE69614442D1 publication Critical patent/DE69614442D1/en
Application granted granted Critical
Publication of DE69614442T2 publication Critical patent/DE69614442T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3877—Concurrent instruction execution, e.g. pipeline or look ahead using a slave processor, e.g. coprocessor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/76—Architectures of general purpose stored program computers
    • G06F15/78—Architectures of general purpose stored program computers comprising a single central processing unit
    • G06F15/7839—Architectures of general purpose stored program computers comprising a single central processing unit with memory
    • G06F15/7842—Architectures of general purpose stored program computers comprising a single central processing unit with memory on one IC chip (single chip microcontrollers)
    • G06F15/7857—Architectures of general purpose stored program computers comprising a single central processing unit with memory on one IC chip (single chip microcontrollers) using interleaved memory
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/30145—Instruction analysis, e.g. decoding, instruction word fields
    • G06F9/3016—Decoding the operand specifier, e.g. specifier format
    • G06F9/30167—Decoding the operand specifier, e.g. specifier format of immediate specifier, e.g. constants
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3824—Operand accessing

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Executing Machine-Instructions (AREA)
  • Microcomputers (AREA)
  • Memory System (AREA)
  • Advance Control (AREA)
DE69614442T 1995-05-02 1996-04-22 microcomputer Expired - Lifetime DE69614442T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP13290695 1995-05-02
JP34744195A JP3727395B2 (en) 1995-05-02 1995-12-14 Microcomputer
US09/229,147 US6434690B1 (en) 1995-05-02 1999-01-11 Microprocessor having a DSP and a CPU and a decoder discriminating between DSP-type instructions and CUP-type instructions

Publications (2)

Publication Number Publication Date
DE69614442D1 true DE69614442D1 (en) 2001-09-20
DE69614442T2 DE69614442T2 (en) 2002-05-16

Family

ID=27316604

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69614442T Expired - Lifetime DE69614442T2 (en) 1995-05-02 1996-04-22 microcomputer

Country Status (3)

Country Link
JP (1) JP3727395B2 (en)
DE (1) DE69614442T2 (en)
TW (2) TW424192B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW439380B (en) 1995-10-09 2001-06-07 Hitachi Ltd Terminal apparatus
KR19990017021A (en) * 1997-08-21 1999-03-15 윤종용 Systems and hardware with integrated microcontroller and digital signal processor
JP3822380B2 (en) 1999-03-26 2006-09-20 富士写真フイルム株式会社 Image signal processing device
EP2267596B1 (en) * 1999-05-12 2018-08-15 Analog Devices, Inc. Processor core for processing instructions of different formats
JP4464046B2 (en) 2001-04-03 2010-05-19 三菱電機株式会社 ENCRYPTION DEVICE, DECRYPTION DEVICE, AND RADIO COMMUNICATION DEVICE
KR100881196B1 (en) * 2007-05-29 2009-02-05 삼성전자주식회사 Memory device having alternative bit organizations and system including the same
JP2010003151A (en) 2008-06-20 2010-01-07 Renesas Technology Corp Data processing apparatus

Also Published As

Publication number Publication date
JP3727395B2 (en) 2005-12-14
JPH0922379A (en) 1997-01-21
TW432326B (en) 2001-05-01
TW424192B (en) 2001-03-01
DE69614442T2 (en) 2002-05-16

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition