DSP data type matching for operation using multiple functional units
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United States of America Patent
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Jan 11, 2005
Issued Date -
N/A
app pub date -
Feb 25, 2003
filing date -
Oct 25, 1999
priority date (Note) -
Expired
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Abstract
An instruction set architecture (ISA) for application specific signal processor (ASSP) is tailored to digital signal processing applications. The ISA implemented with the ASSP, is adapted to DSP algorithmic structures. The ISA of the present invention includes flexible data typing, permutation, and type matching of operands. The flexible data typing, permutation and type matching of operands provides programming flexibility to support different filtering and DSP algorithms having different types of filter coefficients or data samples. A data typer and aligner within each signal processing unit within the ASSP supports flexible data typing, permutation and type matching of operands of the instruction set architecture.
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