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.
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