By Wayne Luk, Michael J. Flynn
The following new release of laptop procedure designers may be much less enthusiastic about information of processors and thoughts, and extra curious about the weather of a approach adapted to specific purposes. those designers may have a primary wisdom of processors and different components within the approach, however the good fortune in their layout is determined by the talents in making system-level tradeoffs that optimize the fee, functionality and different attributes to fulfill program specifications. This e-book offers a brand new therapy of computing device method layout, quite for System-on-Chip (SOC), which addresses the problems pointed out above. It starts off with a world creation, from the high-level view to the bottom universal denominator (the chip itself), then strikes directly to the 3 major construction blocks of an SOC (processor, reminiscence, and interconnect). subsequent is an summary of what makes SOC distinct (its customization skill and the functions that force it). the ultimate bankruptcy offers destiny demanding situations for procedure layout and SOC chances.
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Extra resources for Computer System Design - System-on-Chip
Published 2011 by John Wiley & Sons, Inc. 2 6806 130 affects both performance and implementation. Instruction sets that require more implementation area are less valuable than instruction sets that use less—unless, of course, they can provide commensurately better performance. Long-term cost–performance ratio is the basis for most design decisions. Fourth, reliability comes into play to cope with deep submicron effects. Fifth, configurability provides an additional opportunity for designers to trade off recurring and nonrecurring design costs.
For this to work, we also need a robust interconnection mechanism to access the various processors and memory. So, when an application is well specified, the system-on-a-chip approach includes 1. multiple (usually) heterogeneous processors, each specialized for specific parts of the application; 2. the main memory with (often) ROM for partial program storage; 3. a relatively simple, small (single-level) cache structure or buffering schemes associated with each processor; and 4. a bus or switching mechanism for communications.
The concept of general and administrative (G & A) “overhead” includes a proportional share of the “front office”— the executive management, personnel department (human resources), financial office, and other costs. Later, in the beginning of the manufacturing process, unit cost remains high. It is not until many units are shipped that the marginal manufacturing cost can approach the ultimate manufacturing costs. After this, manufacturing produces units at a cost increasingly approaching the ultimate manufacturing cost.