JPS6454522A - Computer - Google Patents

Computer

Info

Publication number
JPS6454522A
JPS6454522A JP62211083A JP21108387A JPS6454522A JP S6454522 A JPS6454522 A JP S6454522A JP 62211083 A JP62211083 A JP 62211083A JP 21108387 A JP21108387 A JP 21108387A JP S6454522 A JPS6454522 A JP S6454522A
Authority
JP
Japan
Prior art keywords
computer
clock
external clock
operated
switch
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
JP62211083A
Other languages
Japanese (ja)
Inventor
Minoru Niimura
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.)
Seiko Epson Corp
Original Assignee
Seiko Epson Corp
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 Seiko Epson Corp filed Critical Seiko Epson Corp
Priority to JP62211083A priority Critical patent/JPS6454522A/en
Publication of JPS6454522A publication Critical patent/JPS6454522A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To operate the titled computer at an optimum speed corresponding to an application, by providing a changeover switch, switching it to an external clock side, and using an external clock input as an operation clock. CONSTITUTION:A computer 1 having an internal clock oscillating circuit 2, an external clock input terminal 4, a clock changeover switch 3, and an operating part 5 operated by receiving a supply of a clock is constituted by connecting it to an external clock oscillating device 6 having a dial 8 for changing an operation frequency, through a supply line 7 of an external clock. In case the switch 3 is laid down to the A side, the computer 1 is operated by an operation frequency of the internal clock 2. In case the switch 3 is laid down to the B side, the computer 1 is operated by an oscillation frequency of the device 6, therefore, by turning the dial 8, the operation frequency of the computer 1 can be changed arbitrarily.
JP62211083A 1987-08-25 1987-08-25 Computer Pending JPS6454522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62211083A JPS6454522A (en) 1987-08-25 1987-08-25 Computer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62211083A JPS6454522A (en) 1987-08-25 1987-08-25 Computer

Publications (1)

Publication Number Publication Date
JPS6454522A true JPS6454522A (en) 1989-03-02

Family

ID=16600131

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62211083A Pending JPS6454522A (en) 1987-08-25 1987-08-25 Computer

Country Status (1)

Country Link
JP (1) JPS6454522A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02309818A (en) * 1989-05-25 1990-12-25 Yokogawa Electric Corp A/d converter
EP0461840A2 (en) * 1990-06-11 1991-12-18 Nemonix Inc. External clock unit for a computer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02309818A (en) * 1989-05-25 1990-12-25 Yokogawa Electric Corp A/d converter
EP0461840A2 (en) * 1990-06-11 1991-12-18 Nemonix Inc. External clock unit for a computer
EP0461840A3 (en) * 1990-06-11 1994-06-29 Nemonix Inc External clock unit for a computer

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