JPS5717050A - Renewal controlling system of address conversion table - Google Patents

Renewal controlling system of address conversion table

Info

Publication number
JPS5717050A
JPS5717050A JP9073280A JP9073280A JPS5717050A JP S5717050 A JPS5717050 A JP S5717050A JP 9073280 A JP9073280 A JP 9073280A JP 9073280 A JP9073280 A JP 9073280A JP S5717050 A JPS5717050 A JP S5717050A
Authority
JP
Japan
Prior art keywords
address conversion
conversion table
renewal
data
memory
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
JP9073280A
Other languages
Japanese (ja)
Inventor
Shinji Nishibe
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura 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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP9073280A priority Critical patent/JPS5717050A/en
Publication of JPS5717050A publication Critical patent/JPS5717050A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • G06F12/02—Addressing or allocation; Relocation
    • G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
    • G06F12/12—Replacement control

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Memory System (AREA)

Abstract

PURPOSE:To ensure a highly efficient renewal of the contents of an address conversion table, by carrying out an index of the address conversion table by the channel in a memory cycle plus a renewal of the contents by a CPU in a time-division way. CONSTITUTION:The presence or absence of the busy signal is examined by a microprogram and in each memory period. When the absence of the busy signal is detected, the data of renewal to be transferred via a data line 16 is stored in an address conversion table 17 for channel which is designated by the logical block number and the segment number and in memory periods M1 and M2. In the same way, an address conversion table 15 also stores the renewal data given from the line 16. Then access is given to the table 17 to perform an index in the period of the waveform 37 and based on the logical block number selected by a selector switch 13 and the segment number transferred via a data line 18.
JP9073280A 1980-07-04 1980-07-04 Renewal controlling system of address conversion table Pending JPS5717050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9073280A JPS5717050A (en) 1980-07-04 1980-07-04 Renewal controlling system of address conversion table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9073280A JPS5717050A (en) 1980-07-04 1980-07-04 Renewal controlling system of address conversion table

Publications (1)

Publication Number Publication Date
JPS5717050A true JPS5717050A (en) 1982-01-28

Family

ID=14006731

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9073280A Pending JPS5717050A (en) 1980-07-04 1980-07-04 Renewal controlling system of address conversion table

Country Status (1)

Country Link
JP (1) JPS5717050A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621493A (en) * 1983-09-30 1986-11-11 Nissan Motor Co., Ltd. Secondary air supply system for internal combustion engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4621493A (en) * 1983-09-30 1986-11-11 Nissan Motor Co., Ltd. Secondary air supply system for internal combustion engine

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