By Dejan Marković, Robert W. Brodersen
ISBN-10: 1441996591
ISBN-13: 9781441996596
ISBN-10: 1441996605
ISBN-13: 9781441996602
In DSP structure layout necessities, authors Dejan Marković and Robert W. Brodersen disguise a key topic for the winning attention of DSP algorithms for communications, multimedia, and healthcare functions. The e-book addresses the necessity for DSP structure layout that maps complex DSP algorithms to within the so much energy- and area-efficient method. the major characteristic of this article is a layout technique according to a high-level layout version that results in implementation with minimal strength and region. The method contains algorithm-level concerns comparable to computerized word-length aid and intrinsic information houses that may be leveraged to lessen complexity. From a high-level data-flow graph version, an structure exploration method in response to linear programming is used to create an array of architectural options adapted to the underlying know-how. The ebook is supplemented with on-line fabric: bibliography, layout examples, CAD tutorials and customized software program.
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Sample text
Finally, at the macroarchitecture level, we may also introduce interleaving and folding to deal with recursive and multidimensional problems. Since architectural techniques affect design area, we also have to take into account implementation area. 11a Viterbi baseband chip. The DSP blocks ADC/DAC Decoder 200 MOPS/mW operate with an 80 MHz clock – 80 MHz clock! frequency. 25 ђm CMOS Operations per Second) and consumes 200 mW, which is typical The architecture has to track DMA Time/Freq FFT technology power consumption for a baseband Synch DSP.
6 to minimize energy. For example, in the tree adder we analyzed, one would exploit W and VTH in a two-variable approach. 5 D/Dref Peak performance is very power inefficient! 16 Looking at the three examples (inverter chain, memory decoder, and adder) that represent a wide variety of circuit topologies, we can make general conclusions about energy-delay optimization. The left graph shows energy reduction versus delay increment for these three different circuit topologies, which loosely define bounds on energy reduction.
An extra pipeline register is inserted between logic blocks A and B. This lets blocks A and B run at half the speed and also allows for supply voltage reduction, which leads to a decrease in power. The logic depth is reduced at the cost of increased latency. f f (d) reference for time-mux f f (e) time-multiplex Time-multiplexing is used for area reduction, as shown in Figures (d) and (e). The reference case shown in Figure (d) has two blocks to execute two operations of the same kind. An alternative is to D.
DSP architecture design essentials by Dejan Marković, Robert W. Brodersen
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