KR920021972A - Integrated circuit for remote meter reading terminal - Google Patents

Integrated circuit for remote meter reading terminal Download PDF

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Publication number
KR920021972A
KR920021972A KR1019910008442A KR910008442A KR920021972A KR 920021972 A KR920021972 A KR 920021972A KR 1019910008442 A KR1019910008442 A KR 1019910008442A KR 910008442 A KR910008442 A KR 910008442A KR 920021972 A KR920021972 A KR 920021972A
Authority
KR
South Korea
Prior art keywords
cpu
sio
meter reading
communication
selector
Prior art date
Application number
KR1019910008442A
Other languages
Korean (ko)
Inventor
최광현
Original Assignee
성기설
금성계전 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.)
Filing date
Publication date
Application filed by 성기설, 금성계전 주식회사 filed Critical 성기설
Priority to KR1019910008442A priority Critical patent/KR920021972A/en
Publication of KR920021972A publication Critical patent/KR920021972A/en

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Abstract

내용 없음.No content.

Description

원격 검침 단말기용 집적회로Integrated circuit for remote meter reading terminal

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

제3도는 본 발명의 원칩 장치를 나타낸 블록도.3 is a block diagram showing a one-chip device of the present invention.

Claims (1)

전체 시스템의 동작을 제어하는 CPU(1)와, 상기 CPU(1)에 접속되어 데이타를 저장하거나 기억하는 메모리부(2)(3)와, 상기 CPU(1)에 접속되어 검침 센터의 호출신호를 감지하는 DTMF리시버(4)와, 상기 CPU(1)에 공통접속되어 각 통신부를 제어하는데 이용되는 시티얼데이타 송수신부인 SIO(5)(6)와, 상기 CPU(1)와 SIO(5)에 접속되어 SIO(5)의 입출력 데이타를 선택하는 셀렉터(7)와, 상기 셀렉터(7)와 SIO(6)에 접속되어 검침센터 혹은 다른 통신기기와 통신하기 위한 인터페이스부인 모뎀(8) 및 통신부(9)와, 상기 CPU(1)에 접속되어 시분할 검침을 위해 이용되는 RTC(10)와, 상기 CPU(1)에 접속되어 전체 시스템 동작을 감시하는 위치도그(11)와, 상기 워치도그(11)의 출력과 외부리셋신호(S1)를 조합하여 리셋신호를 내보내는 앤드게이트(12)와, 상기 CPU(1)와 SIO(6)에 접속되어 통신시의 타임아웃을 설정 또는 체크하거나 통신속도를 제어하는 CTC(13)와, 상기 CPU(1)에 접속되고 8개의 계수부를 가진 펄스계수기(14)와, 칩 내부 및 외부에서의 파우어 파일을 감지하는 파우어 감지부(16)와, 밧데리의 충전을 수행하는 밧데리 충전회로(17)를 구비하여서 이루어짐을 특징으로 하는 윈격 검침 단말기용 집적회로.CPU 1 for controlling the operation of the entire system, a memory unit 2 (3) connected to the CPU 1 for storing or storing data, and a call signal of a meter reading center connected to the CPU 1 DTMF receiver (4) for detecting a signal, SIO (5) (6) which is a serial data transmission / reception unit which is commonly connected to the CPU (1) and used to control each communication unit, and the CPU (1) and SIO (5). A selector 7 connected to the selector to select input / output data of the SIO 5, a modem 8 and a communication unit connected to the selector 7 and the SIO 6 to communicate with a meter reading center or other communication device. (9), an RTC (10) connected to the CPU (1) used for time division reading, a position dog (11) connected to the CPU (1) to monitor overall system operation, and the watch dog ( and outputs the external reset signal (S 1) the combination of the aND gate (12 exporting the reset signal) of 11), connected to the CPU (1) and SIO (6) at the time of communication CTC 13 for setting or checking out or controlling the communication speed, a pulse counter 14 connected to the CPU 1 and having 8 counters, and a power sensor for detecting a powder file inside and outside the chip. Integrated circuit for a wind meter reading terminal characterized in that it comprises a sensing unit (16), and a battery charging circuit (17) for charging the battery. ※ 참고사항 : 최초출원 내용에 의하여 공개되는 것임.※ Note: This is to be disclosed by the original application.
KR1019910008442A 1991-05-24 1991-05-24 Integrated circuit for remote meter reading terminal KR920021972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019910008442A KR920021972A (en) 1991-05-24 1991-05-24 Integrated circuit for remote meter reading terminal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019910008442A KR920021972A (en) 1991-05-24 1991-05-24 Integrated circuit for remote meter reading terminal

Publications (1)

Publication Number Publication Date
KR920021972A true KR920021972A (en) 1992-12-19

Family

ID=67432937

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910008442A KR920021972A (en) 1991-05-24 1991-05-24 Integrated circuit for remote meter reading terminal

Country Status (1)

Country Link
KR (1) KR920021972A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030027975A (en) * 2001-09-18 2003-04-08 (주)누리텔레콤 Wireless Modem for Remote Telemetering

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030027975A (en) * 2001-09-18 2003-04-08 (주)누리텔레콤 Wireless Modem for Remote Telemetering

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