The days are over when selecting a processor was a relatively simple task, in light of today’s converged processing paradigm. But examining a few key considerations can ease the decision-making process.
Selecting an embedded processor
used to be a pretty straightforward task. Of course, this was back in
“the old days,” when the focus was on a limited set of functions, user
interface and connectivity didn’t matter too much, and power consumption
wasn’t such an overarching issue. In today’s realm of converged
processing, where a single device can perform control, signal
processing, and application-level tasks, there’s a lot more to consider
(Figure 1). While there are too many aspects of the processor selection
process to detail here, let’s examine some of the more prominent areas
that system designers must consider.
Figure : Today’s converged processing paradigm makes selecting a processor a more complex decision than ever.
1.Processor performance
2.Hardware acceleration
3.Bandwidth requirements
4.Power management
5.Security needs
6.Safety and fault tolerance
7.Debugging capabilities
8.System cost
9.Signal chain
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