如何选择 DSP 处理器？.pdf

嵌入式硬件设计参考系列之如何选择 DSP 处理器？.pdf
Choosing a DSP Processor
Berkeley Design Technology, Inc.


Introduction A second feature shared by DSP processors is the
ability to complete several accesses to memory in a sin-
DSP processors are microprocessors designed to per- gle instruction cycle. This allows the processor to fetch
form digital signal processing―the mathematical ma- an instruction while simultaneously fetching operands
nipulation of digitally represented signals. Digital signal and/or storing the result of a previous instruction to
processing is one of the core technologies in rapidly memory. For example,