JPS5436151A - Test unit for micro computer system - Google Patents

Test unit for micro computer system

Info

Publication number
JPS5436151A
JPS5436151A JP10296377A JP10296377A JPS5436151A JP S5436151 A JPS5436151 A JP S5436151A JP 10296377 A JP10296377 A JP 10296377A JP 10296377 A JP10296377 A JP 10296377A JP S5436151 A JPS5436151 A JP S5436151A
Authority
JP
Japan
Prior art keywords
computer system
test unit
micro computer
computer
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
JP10296377A
Other languages
Japanese (ja)
Inventor
Nobuaki Saito
Masaro Takei
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP10296377A priority Critical patent/JPS5436151A/en
Publication of JPS5436151A publication Critical patent/JPS5436151A/en
Pending legal-status Critical Current

Links

Landscapes

  • For Increasing The Reliability Of Semiconductor Memories (AREA)
  • Techniques For Improving Reliability Of Storages (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE: To alter the content of program of the fixed memory in computer, by inhibiting the readout of the fixed memory inl the computer and by giving the information after alteration to the computer from the temporary memory, if the designated address is within the memory range altered.
COPYRIGHT: (C)1979,JPO&Japio
JP10296377A 1977-08-26 1977-08-26 Test unit for micro computer system Pending JPS5436151A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10296377A JPS5436151A (en) 1977-08-26 1977-08-26 Test unit for micro computer system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10296377A JPS5436151A (en) 1977-08-26 1977-08-26 Test unit for micro computer system

Publications (1)

Publication Number Publication Date
JPS5436151A true JPS5436151A (en) 1979-03-16

Family

ID=14341429

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10296377A Pending JPS5436151A (en) 1977-08-26 1977-08-26 Test unit for micro computer system

Country Status (1)

Country Link
JP (1) JPS5436151A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914196A (en) * 1982-07-14 1984-01-25 Toshiba Corp Test device of microcomputer
JPS6180069A (en) * 1984-09-28 1986-04-23 Yokogawa Hokushin Electric Corp Program rom emulator
JPS62166545A (en) * 1986-01-20 1987-07-23 Nec Corp Semiconductor integrated logic circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5914196A (en) * 1982-07-14 1984-01-25 Toshiba Corp Test device of microcomputer
JPS6180069A (en) * 1984-09-28 1986-04-23 Yokogawa Hokushin Electric Corp Program rom emulator
JPS62166545A (en) * 1986-01-20 1987-07-23 Nec Corp Semiconductor integrated logic circuit

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