Method and apparatus for serial bus elements of an hierarchical serial bus assembly to electrically represent data and control states to each other
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United States of America Patent
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Apr 15, 1997
Grant Date -
N/A
app pub date -
Oct 31, 1994
filing date -
Oct 31, 1994
priority date (Note) -
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Abstract
Circuitry and complementary logic are provided to a bus controller, a number of 1:n bus signal distributors, and a number of bus interfaces of an hierarchical bus assembly for electrically representing data and control states each other. The hierarchical serial bus assembly is used to serially interface a number of isochronous and asynchronous peripherals to the system unit of a computer system. The serial bus elements are interconnected to each other using low cost two wire signal cable. Electrical signals are propagated between the serial bus elements in a differential manner. These circuitry and complementary logic of the serial bus elements jointly implement inference of data and control states from the states and/or durations of the propagating electrical signals.
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