JPS5734227A - Data processor - Google Patents

Data processor

Info

Publication number
JPS5734227A
JPS5734227A JP10809480A JP10809480A JPS5734227A JP S5734227 A JPS5734227 A JP S5734227A JP 10809480 A JP10809480 A JP 10809480A JP 10809480 A JP10809480 A JP 10809480A JP S5734227 A JPS5734227 A JP S5734227A
Authority
JP
Japan
Prior art keywords
circuit
clock
information
dividing rate
dividing
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
JP10809480A
Other languages
Japanese (ja)
Inventor
Hiroaki Sato
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 JP10809480A priority Critical patent/JPS5734227A/en
Publication of JPS5734227A publication Critical patent/JPS5734227A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/04—Generating or distributing clock signals or signals derived directly therefrom

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)

Abstract

PURPOSE:To make time control for the extension and reduction of an execution cycle possible by installing means to change the cycle of a clock signal, supply the information on the rate of the change and trasmit the changed means to an execution part. CONSTITUTION:A clock signal 1 from the external is set up in a clock input circuit 2 and transmitted to a divideder circuit 4 with a variable dividing rate through a signal line 11. In an operation control circuit 8 which executes an instruction on the basis of a program, the processing cycle is decided by the dividing output 7 and the circut 8 executes the prescribed operation synchronously with the signal 7. The circuit 8 incorporates a clock division instruction setting and translating circuit 9 and the dividing rate information selected by the circuit 9 is set up in a clock dividing rate information holding circuit 6. The circuit 6 specifies the dividing rate to the circuit 4 according to the information specified from the circuit 9 and holds the dividing rate information until the change of the dividing rate is specified from the circuit 9. The circuit 4 changes the clock cycle on the basis of the dividing rate information from the circuit 6 and supplied the changed information to the circuit 8.
JP10809480A 1980-08-06 1980-08-06 Data processor Pending JPS5734227A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10809480A JPS5734227A (en) 1980-08-06 1980-08-06 Data processor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10809480A JPS5734227A (en) 1980-08-06 1980-08-06 Data processor

Publications (1)

Publication Number Publication Date
JPS5734227A true JPS5734227A (en) 1982-02-24

Family

ID=14475711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10809480A Pending JPS5734227A (en) 1980-08-06 1980-08-06 Data processor

Country Status (1)

Country Link
JP (1) JPS5734227A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63131616A (en) * 1986-11-20 1988-06-03 Mitsubishi Electric Corp programmable clock divider

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086940A (en) * 1973-12-03 1975-07-12
JPS5198932A (en) * 1975-02-26 1976-08-31 Deijitarukairono seigyohoshiki

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5086940A (en) * 1973-12-03 1975-07-12
JPS5198932A (en) * 1975-02-26 1976-08-31 Deijitarukairono seigyohoshiki

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63131616A (en) * 1986-11-20 1988-06-03 Mitsubishi Electric Corp programmable clock divider

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