KR970049366A - Automatic Analog Digital Converter for Digital Signal Processing - Google Patents

Automatic Analog Digital Converter for Digital Signal Processing Download PDF

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Publication number
KR970049366A
KR970049366A KR1019950067888A KR19950067888A KR970049366A KR 970049366 A KR970049366 A KR 970049366A KR 1019950067888 A KR1019950067888 A KR 1019950067888A KR 19950067888 A KR19950067888 A KR 19950067888A KR 970049366 A KR970049366 A KR 970049366A
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KR
South Korea
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signal
conversion
selection
digital
analog
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KR1019950067888A
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Korean (ko)
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KR100365837B1 (en
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고진신
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김광호
삼성전자 주식회사
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Priority to KR1019950067888A priority Critical patent/KR100365837B1/en
Publication of KR970049366A publication Critical patent/KR970049366A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/05Digital input using the sampling of an analogue quantity at regular intervals of time, input from a/d converter or output to d/a converter
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03MCODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12Analogue/digital converters
    • H03M1/1205Multiplexed conversion systems
    • H03M1/123Simultaneous, i.e. using one converter per channel but with common control or reference circuits for multiple converters

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

아날로그 신호를 디지탈 신호로 변환하여 처리하는 아날로그 디지탈 변환장치에 관한 것으로, 특히 다수의 채널을 통해 수신되는 아날로그 신호를 고속으로 디지탈의 신호로 변환하는 장치에 관한 것이다. 상기의 장치는 선택신호에 응답하여 다수의 채널로 입력되는 아날로그 신호중 적어도 하나를 선택 출력하는 선택회로와, 상기 선택회로로부터 출력되는 아날로그 신호를 샘플 앤드 홀드하는 샘플 앤드 홀드 회로와, 변환개시신호에 응답하여 상기 샘플 앤드 홀드된 신호를 디지탈 신호로 변환하여 출력함과 동시에 변환종료신호를 출력하는 아날로그 디지탈 변환기와, 변환명령에 응답하여 상기 선택신호와 변환개시신호 및 변환선택신호를 발생하고 다채널을 선택완료시에 종료신호를 출력하는 타이밍 제어수단과, 상기 기록 및 독출제어신호에 따라 상기 아날로그 디지탈 변환기로부터 출력되는 디지탈 데이타를 내부 저장 영역에 저장하고, 저장된 데이타를 독출하는 메모리와, 상기 변환선택신호의 입력에 응답하여 상기 메모리의 기록을 제어하는 신호선택기를 포함하여 구성된다.The present invention relates to an analog digital converter for converting and processing an analog signal into a digital signal, and more particularly, to an apparatus for converting an analog signal received through a plurality of channels into a digital signal at high speed. The apparatus includes a selection circuit for selecting and outputting at least one of the analog signals input to a plurality of channels in response to a selection signal, a sample and hold circuit for sample and holding the analog signal output from the selection circuit, and a conversion start signal. And an analog digital converter for converting the sampled and held signal into a digital signal and outputting the converted signal at the same time, and generating the selection signal, the conversion start signal, and the conversion selection signal in response to a conversion command. Timing control means for outputting an end signal upon selection completion, a memory for storing digital data output from the analog digital converter in an internal storage area according to the write and read control signal, and for reading out stored data; The recording of the memory is controlled in response to the input of the conversion selection signal. It is configured to include a signal selector.

Description

디지탈 신호처리를 위한 자동 아날로그 디지탈 변환 장치Automatic Analog Digital Converter for Digital Signal Processing

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제1도는 본 발명에 따른 자동 아날로그 디지탈 변환 장치의 블럭도.1 is a block diagram of an automatic analog digital conversion apparatus according to the present invention.

제2도는 제1도에 도시된 타이밍 제어기의 일실시예의 구체회로도,FIG. 2 is a detailed circuit diagram of one embodiment of the timing controller shown in FIG.

제3도는 제2도에 도시된 타이밍 제어기의 동작을 설명하기 위한 타이밍도.3 is a timing diagram for explaining the operation of the timing controller shown in FIG.

Claims (4)

디지탈 신호처리를 위한 자동 아날로그 디지탈 변환 장치에 있어서, 선택신호에 응답하여 다수의 채널로 입력되는 아날로그 신호중 적어도 하나를 선택 출력하는 선택회로와, 상기 선택회로로부터 출력되는 아날로그 신호를 샘플 앤드 홀드하는 샘플 앤드 홀드 회로와, 변환개시신호에 응답하여 상기 샘플 앤드 홀드된 신호를 디지탈 신호로 변환하여 출력함과 동시에 변환종료신호를 출력하는 아날로그 디지탈 변환기와, 변환명령에 응답하여 상기 선택신호와 변환개시신호 및 변환선택신호를 발생하고 다채널을 선택완료시에 종료신호를 출력하는 타이밍 제어수단과, 상기 기록 및 독출제어신호에 따라 상기 아날로그 디지탈 변환기로부터 출력되는 디지탈 데이타를 내부 저장 영역에 저장하고, 저장된 데이타를 독출하는 메모리와, 상기 변환선택신호의 입력에 응답하여 상기 메모리의 기록을 제어하는 신호선택기로 구성함을 특징으로 하는 디지탈 신호처리를 위한 자동 아날로그 디지탈 변환 장치.An automatic analog digital conversion apparatus for digital signal processing, comprising: a selection circuit for selecting and outputting at least one of analog signals input to a plurality of channels in response to a selection signal, and a sample for sample and holding the analog signal output from the selection circuit; An end hold circuit, an analog digital converter converting the sample and held signal into a digital signal in response to a conversion start signal, and outputting a conversion end signal at the same time; and the selection signal and the conversion start signal in response to a conversion command. And timing control means for generating a conversion selection signal and outputting a termination signal upon selection of multiple channels, and storing digital data output from the analog digital converter according to the write and read control signals in an internal storage area. A memory for reading data and the conversion selection Automatic digital analog converter for digital signal processing, characterized in that in response to the call input signal composed of a selector for controlling the writing of the memory. 제1항에 있어서, 상기 신호선택기는 타이밍 제어수단으로부터 변환선택신호가 출력시에 응답하여 상기 메모리의 기록제어신호를 출력함과 동시에 멀티플렉서 14의 선택신호를 기록어드레스로 공급하고, 마이크로프로세서으로부터의 독출제어신호에 의해 상기 메모리의 독출을 제어함을 특징으로하는 디지탈 신호처리를 위한 자동 아날로그 디지탈 변환 장치.The signal selector of claim 1, wherein the signal selector outputs a write control signal of the memory in response to an output of a conversion selection signal from a timing control means, and simultaneously supplies a selection signal of the multiplexer 14 to a write address, and outputs a signal from a microprocessor. An automatic analog digital conversion device for digital signal processing, characterized in that the readout of the memory is controlled by a read control signal. 제1항 또는 제2항에 있어서, 마이크로프로세서로부터 출력되는 변환명령 ST 및 선택신호 CS의 입력에 의해 변환선택신호 AD-SEL를 출력함과 동시에 변환개시신호 CVST를 출력하고, 채널선택완료신호에 응답하여 클리어 신호를 발생하는 제어신호 발생기 26과, 상기 변환선택신호 AD-SEL와 상기 변환완료신호 EOC를 논리곱하여 인에이블신호를 발생하는 앤드게이트30와, 상기 변환완료신호 EOC의 입력을 카운트하여 증가되는 선택신호 SS를 발생하는 카운터 32와, 상기 카운터 32의 출력을 디코딩하여 스위칭제어신호 ASDC를 상기아날로그 스위치 12로 공급하는 디코더 34 및 상기 카운터 32의 출력이 모두 액티브 되어질때 응답하여 종료신호 ADEND를 발생하는 종료신호 발생기를 포함하여 구성함을 특징으로 하는 디지탈 신호처리를 위한 자동 아날로그 디지탈 변환 장치.The signal according to claim 1 or 2, wherein the conversion selection signal AD-SEL is output by the input of the conversion command ST and the selection signal CS output from the microprocessor, and the conversion start signal CVST is outputted to the channel selection completion signal. A control signal generator 26 for generating a clear signal in response, an AND gate 30 for generating an enable signal by ANDing the conversion selection signal AD-SEL and the conversion completion signal EOC, and counting an input of the conversion completion signal EOC. End signal ADEND in response to the counter 32 generating an increasing selection signal SS, the decoder 34 decoding the output of the counter 32 and supplying a switching control signal ASDC to the analog switch 12, and the outputs of the counter 32 are both active. Automatic analog digital conversion field for digital signal processing, characterized in that it comprises a termination signal generator for generating a Chi. 제3항에 있어서, 상기 종료신호 발생기는 상기 카운터 32의 출력을 논리곱하여 출력하는 앤드게이트 40와, 상기 앤드게이트 40에 의해 종료신호 ADEND를 발생하는 수단으로 구성함을 특징으로 하는 디지탈 신호처리를 위한 자동 아날로그 디지탈 변환 장치.4. The digital signal processing as claimed in claim 3, wherein the end signal generator comprises an end gate 40 for performing an AND operation on the output of the counter 32 and means for generating an end signal ADEND by the end gate 40. Automatic analog digital converter for. ※ 참고사항: 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the original application.
KR1019950067888A 1995-12-30 1995-12-30 Device for automatically converting analogue to digital KR100365837B1 (en)

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KR1019950067888A KR100365837B1 (en) 1995-12-30 1995-12-30 Device for automatically converting analogue to digital

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KR1019950067888A KR100365837B1 (en) 1995-12-30 1995-12-30 Device for automatically converting analogue to digital

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KR970049366A true KR970049366A (en) 1997-07-29
KR100365837B1 KR100365837B1 (en) 2003-05-12

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KR100823835B1 (en) 2006-12-29 2008-04-21 엘에스산전 주식회사 Analog to digital converter and method thereof

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