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  • Research Article
  • Open Access

Low-Power Embedded DSP Core for Communication Systems

  • 1Email author,
  • 1,
  • 1,
  • 1 and
  • 1
EURASIP Journal on Advances in Signal Processing20032003:232360

  • Received: 2 February 2003
  • Published:


This paper proposes a parameterized digital signal processor (DSP) core for an embedded digital signal processing system designed to achieve demodulation/synchronization with better performance and flexibility. The features of this DSP core include parameterized data path, dual MAC unit, subword MAC, and optional function-specific blocks for accelerating communication system modulation operations. This DSP core also has a low-power structure, which includes the gray-code addressing mode, pipeline sharing, and advanced hardware looping. Users can select the parameters and special functional blocks based on the character of their applications and then generating a DSP core. The DSP core has been implemented via a cell-based design method using a synthesizable Verilog code with TSMC 0.35 m SPQM and 0.25 m 1P5M library. The equivalent gate count of the core area without memory is approximately 50 k. Moreover, the maximum operating frequency of a version is 100 MHz (0.35 m) and 140 MHz (0.25 m).


  • digital signal processor
  • embedded system
  • dual MAC
  • subword multiplier

Authors’ Affiliations

Department of Electrical Engineering, National Central University, 300 Jung-Da Road, Jung-Li City, Taoyuan, 320, Taiwan


© Copyright © 2003 Hindawi Publishing Corporation 2003