JPS5434717A - Arithmetic unit - Google Patents

Arithmetic unit

Info

Publication number
JPS5434717A
JPS5434717A JP10142277A JP10142277A JPS5434717A JP S5434717 A JPS5434717 A JP S5434717A JP 10142277 A JP10142277 A JP 10142277A JP 10142277 A JP10142277 A JP 10142277A JP S5434717 A JPS5434717 A JP S5434717A
Authority
JP
Japan
Prior art keywords
arithmetic unit
power source
negative voltage
regulator
microprocessor
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
JP10142277A
Other languages
Japanese (ja)
Other versions
JPS5738926B2 (en
Inventor
Akira Sumi
Akira Oota
Takao Asaka
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works 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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP10142277A priority Critical patent/JPS5434717A/en
Publication of JPS5434717A publication Critical patent/JPS5434717A/en
Publication of JPS5738926B2 publication Critical patent/JPS5738926B2/ja
Granted legal-status Critical Current

Links

Abstract

PURPOSE: To secure a high-efficiency driving for the whole unit via a DC power source by applying the DC voltage stabilized through a regulator to the microprocessor and supplying the negative voltage power given from a DC power source and negative voltage generating circuit to the D/A converter respectively.
COPYRIGHT: (C)1979,JPO&Japio
JP10142277A 1977-08-24 1977-08-24 Arithmetic unit Granted JPS5434717A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10142277A JPS5434717A (en) 1977-08-24 1977-08-24 Arithmetic unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10142277A JPS5434717A (en) 1977-08-24 1977-08-24 Arithmetic unit

Publications (2)

Publication Number Publication Date
JPS5434717A true JPS5434717A (en) 1979-03-14
JPS5738926B2 JPS5738926B2 (en) 1982-08-18

Family

ID=14300262

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10142277A Granted JPS5434717A (en) 1977-08-24 1977-08-24 Arithmetic unit

Country Status (1)

Country Link
JP (1) JPS5434717A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129063A (en) * 1974-09-05 1976-03-11 Matsushita Electric Ind Co Ltd

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129063A (en) * 1974-09-05 1976-03-11 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS5738926B2 (en) 1982-08-18

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