Asynchronous interface message transmission using source and receive devices
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United States of America Patent
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May 29, 1984
Grant Date -
N/A
app pub date -
Nov 9, 1981
filing date -
Nov 9, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An asynchronous interface enables the transfer of information between a set of devices operating in a loop and having a wide range of operating speeds. Each device can enter a Controller active state in which it sources command frames to control the loop operation. Each device can also enter a Talker active state in which it sources Data frames on a Listener active state in which it received Data frames. The transfer of frames is coordinated by a set of handshakes which enable the frames to be transferred in an asynchronous manner.
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