Connecting multiple slave devices to a single master controller in bus system
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United States of America Patent
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Oct 6, 2015
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app pub date -
Nov 28, 2012
filing date -
Nov 28, 2012
priority date (Note) -
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Abstract
A device comprising: a bus master, including a bi-directional data and clock lines, configured to produce a select signal output for enabling data transmission on the bi-directional data line to first/second different data busses supporting multiple slave devices configured to receive/transmit data over a respective data bus and to receive a clock signal from the bus master from the clock line; and a de-multiplexer including an input, first and second outputs and a control input, the input coupled to the bi-directional data line of the bus master, first/second outputs of the de-multiplexer coupled to first/second data busses, respectively, and the control input configured to receive the select signal from the bus master that is configured to communicate to a first slave device when the select signal is in a first state, and a second different slave device when the select signal is in a second different state.
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