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JPS5680865A - Driving method of memory - Google Patents

Driving method of memory

Info

Publication number
JPS5680865A
JPS5680865A JP15599379A JP15599379A JPS5680865A JP S5680865 A JPS5680865 A JP S5680865A JP 15599379 A JP15599379 A JP 15599379A JP 15599379 A JP15599379 A JP 15599379A JP S5680865 A JPS5680865 A JP S5680865A
Authority
JP
Japan
Prior art keywords
memory
page
area
subroutine
address
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.)
Granted
Application number
JP15599379A
Other languages
Japanese (ja)
Other versions
JPS6155694B2 (en
Inventor
Hiromitsu Chihara
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP15599379A priority Critical patent/JPS5680865A/en
Publication of JPS5680865A publication Critical patent/JPS5680865A/en
Publication of JPS6155694B2 publication Critical patent/JPS6155694B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Executing Machine-Instructions (AREA)

Abstract

PURPOSE: To simplify the construction of a memory having a subroutine function by giving a subroutine function to a page area having few memory numbers and stopping a carry of the upper-rank digit of an address counter during the subroutine address.
CONSTITUTION: In accordance with the high-and low-level signals output from the data latching circuit 9 for instructing page, any of the page area 82 having a subroutine function of fewer memory number than the page areas 81 and the page area 81 of the memory 8 are specified and in accordance with the address of 4 bits from the address counter 7 the specified area 81 or 82 is made access. In this case, when the area 82 is selected, the carry of an upper-rank two digits of the counter 7 is stopped through a carry stopping circuit 10. By this driving system, the constitution of the memory for forming the page having a subroutine function attached is simplified to provide a circuit easy in IC formation.
COPYRIGHT: (C)1981,JPO&Japio
JP15599379A 1979-11-30 1979-11-30 Driving method of memory Granted JPS5680865A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15599379A JPS5680865A (en) 1979-11-30 1979-11-30 Driving method of memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15599379A JPS5680865A (en) 1979-11-30 1979-11-30 Driving method of memory

Publications (2)

Publication Number Publication Date
JPS5680865A true JPS5680865A (en) 1981-07-02
JPS6155694B2 JPS6155694B2 (en) 1986-11-28

Family

ID=15617997

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15599379A Granted JPS5680865A (en) 1979-11-30 1979-11-30 Driving method of memory

Country Status (1)

Country Link
JP (1) JPS5680865A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0387047U (en) * 1989-12-15 1991-09-04
JP2002331355A (en) * 2001-05-02 2002-11-19 Daido Steel Co Ltd Structure for preventing penetration of outside air for tundish

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143028A (en) * 1978-04-28 1979-11-07 Nec Corp Data transfer unit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54143028A (en) * 1978-04-28 1979-11-07 Nec Corp Data transfer unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0387047U (en) * 1989-12-15 1991-09-04
JP2002331355A (en) * 2001-05-02 2002-11-19 Daido Steel Co Ltd Structure for preventing penetration of outside air for tundish

Also Published As

Publication number Publication date
JPS6155694B2 (en) 1986-11-28

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