Input/output section for an intelligent cell which provides sensing, bidirectional communications and control
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United States of America Patent
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May 12, 1992
Issued Date -
N/A
app pub date -
Jun 4, 1990
filing date -
Nov 10, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A network for providing sensing, communications and control is described. A plurality of intelligent cells each of which comprises an integrated circuit having a processor and input/output section are coupled to the network. Each of the programmable cells receives when manufactured a unique identification number (48 bits) which remains permanently within the cell. The cells can be coupled to different media such as power lines, twisted, pair, radio frequency, infrared ultrasonic, optical coaxial, etc., to form a network. The preferred embodiment of the cell includes a multiprocessor and multiple I/O subsections where any of the processors can communicate with any of the I/O subsections. This permits the continual execution of a program without potential interruptions caused by interfacing with the I/O section. The I/O section includes programmable A-to-D and programmable D-to-A converters as well as other circuits for other modes of operation.
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