Current driven serial bus system having an energy saving mode
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United States of America Patent
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Feb 1, 2005
Grant Date -
Nov 29, 2001
app pub date -
Feb 21, 2001
filing date -
Feb 22, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Two measures are provided in order to allow a serial bus system to be operated such that it is resistant to interference and defects, and such that it operates with low power consumption. Firstly, each transmitted digital signal is interpreted as a logic zero or a logic one, respectively, when a first or a second predetermined current waveform, respectively, is applied to a bus line. Secondly, the bus system is operable in an energy saving mode, in which either no data transmissions at all are made, or in which data transmissions are made only rarely, between the individual bus modules.
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