KR880008119A - Power frequency detection and flag automatic setting method - Google Patents

Power frequency detection and flag automatic setting method Download PDF

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Publication number
KR880008119A
KR880008119A KR860011586A KR860011586A KR880008119A KR 880008119 A KR880008119 A KR 880008119A KR 860011586 A KR860011586 A KR 860011586A KR 860011586 A KR860011586 A KR 860011586A KR 880008119 A KR880008119 A KR 880008119A
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KR
South Korea
Prior art keywords
power frequency
external
internal
counter
interrupt signal
Prior art date
Application number
KR860011586A
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Korean (ko)
Other versions
KR900000600B1 (en
Inventor
신윤복
Original Assignee
한형수
삼성전자 주식회사
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.)
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Application filed by 한형수, 삼성전자 주식회사 filed Critical 한형수
Priority to KR1019860011586A priority Critical patent/KR900000600B1/en
Publication of KR880008119A publication Critical patent/KR880008119A/en
Application granted granted Critical
Publication of KR900000600B1 publication Critical patent/KR900000600B1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00

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

Abstract

내용 없음.No content.

Description

전원주파수 감지 및 플래그 자동설정방법Power frequency detection and flag automatic setting method

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명이 적용되는 하드웨어의 개략도,1 is a schematic diagram of hardware to which the present invention is applied;

제2도는 내·외부 인터럽트 신호를 설명하기 위한 도면.2 is a diagram for explaining an internal and external interrupt signal.

Claims (1)

50HZ 또는 60HZ의 전원주파수가 마이크로프로세서(1)의 외부인터럽트단자(INT)로 인가되는 경우 상기 마이크로프로세서(1)의 외부 카운터가 외부인터럽트신호를 51회 카운팅한 싯점에서 마이크로프로세서(1)의 내부카운터가 내부인터럽트신호를 100회 카운팅하였다면 50HZ의 플래그 신호를 주프로그램에 셋팅시켜 부하(2)를 50HZ의 전원주파수로 동작시켜주는 단계와, 상기 외부카운터가 외부인터럽트 신호를 61회 카운팅한 싯점에서 상기 내부카운터가 내부인터럽트 신호를 60회 카운팅하였다면 60HZ의 플래그 신호를 주프로그램에 셋팅시켜 부하(2)를 60HZ의 전원주파수로 동작시키는 단계 및, 상기 외부카운터가 외부인터럽트신호를 61회 카운팅하였는데도 불구하고 상기 내부카운터가 내부인터럽트 신호를 60회 카운팅하지 못했을 경우에는 에러발생이라 판단하여 내·외부카운터를 초기상태로 리턴시켜 다시 카운팅을 시작하게 하는 단계로 이루어져 입력주파수를 자동으로 감지하여 부하(2)의 주프로그램에 대한 플래그를 그 지역에 맞는 전원주파수로 셋팅시키도록 한 것을 특징으로 하는 전원주파수 감지 및 플래그 자동설정방법.When a power frequency of 50HZ or 60HZ is applied to the external interrupt terminal (INT) of the microprocessor (1), the microprocessor (1) internally at the point where the external counter of the microprocessor (1) counts the external interrupt signal 51 times If the counter has counted the internal interrupt signal 100 times, setting the 50HZ flag signal to the main program to operate the load (2) at a power frequency of 50HZ, and at the point where the external counter counted the external interrupt signal 61 times If the internal counter has counted the internal interrupt signal 60 times, setting the flag signal of 60HZ in the main program to operate the load 2 at a power frequency of 60HZ, and the external counter counted the external interrupt signal 61 times. Nevertheless, if the internal counter fails to count the internal interrupt signal 60 times, it is determined that an error has occurred. By returning the internal and external counters to the initial state to start counting again, it automatically detects the input frequency and sets the flag for the main program of the load (2) to the power frequency appropriate for the region. Characterized by power frequency detection and flag automatic setting. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019860011586A 1986-12-30 1986-12-30 Sensing and flags seting method for powers frequency KR900000600B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019860011586A KR900000600B1 (en) 1986-12-30 1986-12-30 Sensing and flags seting method for powers frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019860011586A KR900000600B1 (en) 1986-12-30 1986-12-30 Sensing and flags seting method for powers frequency

Publications (2)

Publication Number Publication Date
KR880008119A true KR880008119A (en) 1988-08-30
KR900000600B1 KR900000600B1 (en) 1990-02-01

Family

ID=19254593

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019860011586A KR900000600B1 (en) 1986-12-30 1986-12-30 Sensing and flags seting method for powers frequency

Country Status (1)

Country Link
KR (1) KR900000600B1 (en)

Also Published As

Publication number Publication date
KR900000600B1 (en) 1990-02-01

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