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  • 标题:A Novel Reconfigurable Execution Core for Merged DSP Microcontroller
  • 本地全文:下载
  • 作者:Rath, A. K. ; Meher, P. K.
  • 期刊名称:Journal of Computer Science
  • 印刷版ISSN:1549-3636
  • 出版年度:2007
  • 卷号:3
  • 期号:10
  • 页码:803-809
  • DOI:10.3844/jcssp.2007.803.809
  • 出版社:Science Publications
  • 摘要:The study presents an execution core which can be reconfigured either for calculation of digital convolution or for computation of discrete orthogonal transform by appropriate local buffer initialization of processing cells. It is shown that the data flow pattern can be changed by a single bit control signal. The proposed core can be connected to port 1 of Intel 8051 to derive the necessary control signals for reconfiguration. The core can be used as a pluggable module with existing microcontroller when DSP algorithms are required to be implemented. Using such execution core the computational load of the processor can be significantly reduced as the math-intensive components of the DSP algorithm is relegated to the execution core. The use of such pipelined core will not only caters to the need of real-time performance, but also it will facilitate scalability, reusability and flexibility for wide varieties of DSP functionalities.
  • 关键词:Digital Signal Processor; microcontroller; merged architecture; embedded system; corebased DSP
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