IC with digital and analog circuits and mixed signal I/O pins
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United States of America Patent
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Jan 21, 2003
Grant Date -
Oct 24, 2002
app pub date -
Apr 18, 2001
filing date -
Apr 18, 2001
priority date (Note) -
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Abstract
An integrated circuit providing mixed signal processing. I/O pin interface circuits include logic gates and other circuits for processing digital and analog signals. Processor-controlled configuration circuits allow the various I/O pin interface circuits to process either analog or digital circuits. The I/O pins can be configured for digital or analog operation on the fly.
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