Programmable interface unit which generates dedicated control signals in response to a single control word
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United States of America Patent
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Apr 17, 1990
Grant Date -
N/A
app pub date -
Aug 4, 1986
filing date -
Apr 5, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A unit for providing an interface between analog input signals and a digital data processing system bus includes a plurality of sample-and-hold circuits coupled to the analog input signals, a multiplexer for selecting a particular sample-and-hold circuit, and an analog-to-digital converter for providing a digital signal related to the amplitude of a selected portion of the input signal. A control circuit provides control signals for controlling the operation of the sample-and-hold circuits, the multiplexer, and the analog-to-digital converter circuit. The control circuit can receive and store signals from the data processing system and use such signals to control the operation of the interface unit.
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