Multi-vehicle communication interface
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United States of America Patent
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Feb 25, 2003
Grant Date -
N/A
app pub date -
Dec 21, 1999
filing date -
Dec 21, 1999
priority date (Note) -
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Abstract
A diagnostic tool communicates with a plurality of motor vehicle control units and implements at least two different communication protocols within a single motor vehicle. The diagnostic tool includes a processor and a field programmable gate array. The processor executes diagnostic routines and thereby provides messages to one of the plurality of motor vehicle control units. The field programmable gate array provides a selectable multiple protocol interface that is coupled between the plurality of motor vehicle control units and the processor. The selectable multiple protocol interface converts processor messages into a format that is readable by the selected motor vehicle control unit and converts received control unit information into a format that is readable by the processor.
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