Boundary scan architecture analog extension with direct connections
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United States of America Patent
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Mar 23, 1999
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N/A
app pub date -
Oct 8, 1997
filing date -
Dec 13, 1995
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Abstract
A method and apparatus provides an analog mode of operation of a standard test access bus interface based on a standard boundary scan architecture which is limited to use of digital signals. Circuits are included in the interface which enable the sharing of control paths at separate time intervals defined under instruction control for processing analog and digital signals thereby providing a hybrid capability without any increase in the number of lines required by the interface.
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