TW287254B - Memory look-up method and device - Google Patents

Memory look-up method and device

Info

Publication number
TW287254B
TW287254B TW84109333A TW84109333A TW287254B TW 287254 B TW287254 B TW 287254B TW 84109333 A TW84109333 A TW 84109333A TW 84109333 A TW84109333 A TW 84109333A TW 287254 B TW287254 B TW 287254B
Authority
TW
Taiwan
Prior art keywords
look
instruction
execution device
control device
instruction buffer
Prior art date
Application number
TW84109333A
Other languages
Chinese (zh)
Inventor
Gwo-Cherng Yu
Original Assignee
Holtek Microelectronics 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 Holtek Microelectronics Inc filed Critical Holtek Microelectronics Inc
Priority to TW84109333A priority Critical patent/TW287254B/en
Priority to DE1995146721 priority patent/DE19546721A1/en
Application granted granted Critical
Publication of TW287254B publication Critical patent/TW287254B/en

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
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/3004—Arrangements for executing specific machine instructions to perform operations on memory
    • G06F9/30043—LOAD or STORE instructions; Clear instruction
    • 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)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Advance Control (AREA)
  • Executing Machine-Instructions (AREA)
  • Memory System Of A Hierarchy Structure (AREA)

Abstract

A memory look-up method, which uses one instruction buffer execution device, one control device and one data register to output one look-up data stored in one memory to the data register, comprises of: (1) in one first clock period, the instruction buffer execution device executes stored instruction ahead, generating one look-up signal output, and the control device responds the look-up signal to output next instruction stored in the memory to the instruction buffer execution device; and (2) in one second clock period, the control device generates one prohibit signal to latch the next instruction located in the instruction buffer execution device, and the control device generates and outputs one write instruction to the instruction buffer execution device for generating one write signal, therefore outputs the look-up data to the data register.
TW84109333A 1995-09-06 1995-09-06 Memory look-up method and device TW287254B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
TW84109333A TW287254B (en) 1995-09-06 1995-09-06 Memory look-up method and device
DE1995146721 DE19546721A1 (en) 1995-09-06 1995-12-14 Memory look-up method using instruction buffer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW84109333A TW287254B (en) 1995-09-06 1995-09-06 Memory look-up method and device

Publications (1)

Publication Number Publication Date
TW287254B true TW287254B (en) 1996-10-01

Family

ID=21624870

Family Applications (1)

Application Number Title Priority Date Filing Date
TW84109333A TW287254B (en) 1995-09-06 1995-09-06 Memory look-up method and device

Country Status (2)

Country Link
DE (1) DE19546721A1 (en)
TW (1) TW287254B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8043919B2 (en) 2007-11-12 2011-10-25 United Microelectronics Corp. Method of fabricating semiconductor device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8043919B2 (en) 2007-11-12 2011-10-25 United Microelectronics Corp. Method of fabricating semiconductor device

Also Published As

Publication number Publication date
DE19546721A1 (en) 1997-03-13

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Legal Events

Date Code Title Description
MK4A Expiration of patent term of an invention patent