Data processing device having a central processing unit and digital signal processing unit
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United States of America Patent
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Dec 23, 2003
Grant Date -
Feb 14, 2002
app pub date -
Oct 11, 2001
filing date -
Oct 9, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In microcomputers and digital signal processors in which a central processing unit for controlling the entire system and a digital signal processing unit having a product sum function required to process digital signals efficiently are mounted on one and the same chip, an increase in the number of processing steps caused by differing types of data handled by the calculators is prevented, thereby enhancing the efficiency of the digital signal processing.
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