JPS5279743A - Data processing unit - Google Patents

Data processing unit

Info

Publication number
JPS5279743A
JPS5279743A JP50155009A JP15500975A JPS5279743A JP S5279743 A JPS5279743 A JP S5279743A JP 50155009 A JP50155009 A JP 50155009A JP 15500975 A JP15500975 A JP 15500975A JP S5279743 A JPS5279743 A JP S5279743A
Authority
JP
Japan
Prior art keywords
processing unit
instruction
data processing
block transfer
fetch
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.)
Pending
Application number
JP50155009A
Other languages
Japanese (ja)
Inventor
Kazuyoshi Taguchi
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 to JP50155009A priority Critical patent/JPS5279743A/en
Publication of JPS5279743A publication Critical patent/JPS5279743A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To make the block transfer time of instruction apparently zero, by processing the block transfer of instruction advanced fetch together with the operation executing cycle in parallel, in case that CPU having the buffer memory makes advanced fetch for the succeeding instructions from the instruction processing unit.
COPYRIGHT: (C)1977,JPO&Japio
JP50155009A 1975-12-26 1975-12-26 Data processing unit Pending JPS5279743A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50155009A JPS5279743A (en) 1975-12-26 1975-12-26 Data processing unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50155009A JPS5279743A (en) 1975-12-26 1975-12-26 Data processing unit

Publications (1)

Publication Number Publication Date
JPS5279743A true JPS5279743A (en) 1977-07-05

Family

ID=15596684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50155009A Pending JPS5279743A (en) 1975-12-26 1975-12-26 Data processing unit

Country Status (1)

Country Link
JP (1) JPS5279743A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5837747A (en) * 1981-08-28 1983-03-05 Nec Corp Instruction read only buffer storage device
JPS62175353U (en) * 1986-12-04 1987-11-07
JPH07105098A (en) * 1993-10-07 1995-04-21 Nec Corp Replace device of instruction cache

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5837747A (en) * 1981-08-28 1983-03-05 Nec Corp Instruction read only buffer storage device
JPS62175353U (en) * 1986-12-04 1987-11-07
JPH07105098A (en) * 1993-10-07 1995-04-21 Nec Corp Replace device of instruction cache

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