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Digital signal processor
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=====Addressing and virtual memory===== DSPs frequently use multi-tasking operating systems, but have no support for [[virtual memory]] or memory protection. Operating systems that use virtual memory require more time for [[context switching]] among [[process (computing)|processes]], which increases latency. *Hardware modulo addressing **Allows [[circular buffer]]s to be implemented without having to test for wrapping *Bit-reversed addressing, a special [[addressing mode]] **useful for calculating FFTs *Exclusion of a [[memory management unit]] *[[Address generation unit]]
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