Obtaining and exporting on-chip data processor trace and timing information
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United States of America Patent
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-
Jan 10, 2006
Grant Date -
Oct 25, 2001
app pub date -
Mar 2, 2001
filing date -
Mar 2, 2000
priority date (Note) -
In Force
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Abstract
An emulation controller (12) located externally of an integrated circuit (14) can be provided with timing information indicative of operation of an internal clock of the integrated circuit that drives internal data processing activity of the integrated circuit. In response to each cycle of the internal clock, a corresponding digital bit is produced to represent the internal clock cycle, and the digital bits are output to the emulation controller at an output clock rate that differs from the clock rate of the internal clock.
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