Counting clock cycles over the duration of a first character and using a remainder value to determine when to sample a bit of a second character
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United States of America Patent
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Mar 11, 2008
Grant Date -
N/A
app pub date -
Apr 3, 2003
filing date -
Apr 3, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
In an auto baud system and method, the baud rates between two communicating devices are synchronized by timing the transmission of a plurality of bits by counting the cycles of a reference clock. The number of cycles counted is then divided by the number of bits counted over and any remaining cycles are distributed evenly across the data being transmitted or received. The interface of the circuit is preferably implemented as a single pin, open drain interface which can be connected to an RS-232 communications link using external hardware.
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