JPS56164422A - Timer controlling system - Google Patents

Timer controlling system

Info

Publication number
JPS56164422A
JPS56164422A JP6757680A JP6757680A JPS56164422A JP S56164422 A JPS56164422 A JP S56164422A JP 6757680 A JP6757680 A JP 6757680A JP 6757680 A JP6757680 A JP 6757680A JP S56164422 A JPS56164422 A JP S56164422A
Authority
JP
Japan
Prior art keywords
overflow
bit
timer
discriminating bit
discriminating
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
JP6757680A
Other languages
Japanese (ja)
Other versions
JPS6223886B2 (en
Inventor
Shuji Nishiyama
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.)
Denso Ten Ltd
Original Assignee
Denso Ten 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 Denso Ten Ltd filed Critical Denso Ten Ltd
Priority to JP6757680A priority Critical patent/JPS56164422A/en
Publication of JPS56164422A publication Critical patent/JPS56164422A/en
Publication of JPS6223886B2 publication Critical patent/JPS6223886B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/48—Program initiating; Program switching, e.g. by interrupt
    • G06F9/4806—Task transfer initiation or dispatching
    • G06F9/4812—Task transfer initiation or dispatching by interrupt, e.g. masked
    • G06F9/4825—Interrupt from clock, e.g. time of day

Landscapes

  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)

Abstract

PURPOSE:To change the time unit easily, by setting the basic unit through the use of an overflow discriminating bit. CONSTITUTION:A timer 20 counts a clock CLK and a control register 21 sets an overflow discriminating bit with the program control. Further, the overflow of bit location of the timer 20 according to the overflow discriminating bit is taken as the set input of an overflow flag with a gate circuit 23. Thus, the overflow discriminating bit sets the basic time unit, allowing to change the controlled variable in timing easily.
JP6757680A 1980-05-21 1980-05-21 Timer controlling system Granted JPS56164422A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6757680A JPS56164422A (en) 1980-05-21 1980-05-21 Timer controlling system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6757680A JPS56164422A (en) 1980-05-21 1980-05-21 Timer controlling system

Publications (2)

Publication Number Publication Date
JPS56164422A true JPS56164422A (en) 1981-12-17
JPS6223886B2 JPS6223886B2 (en) 1987-05-26

Family

ID=13348894

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6757680A Granted JPS56164422A (en) 1980-05-21 1980-05-21 Timer controlling system

Country Status (1)

Country Link
JP (1) JPS56164422A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59147246U (en) * 1983-03-18 1984-10-02 カシオ計算機株式会社 small electronic equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59147246U (en) * 1983-03-18 1984-10-02 カシオ計算機株式会社 small electronic equipment

Also Published As

Publication number Publication date
JPS6223886B2 (en) 1987-05-26

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