Is ARC HS4xD Family More a CPU or DSP IP Core?
When I had to define the various IP categories (processor, analog & mixed-signal, wired interfaces, etc.) to build the Design IP Report, I scratched my head for a while about the processor main category: how to define the sub-categories? Not that long ago, it was easy to identify a CPU IP core and a DSP IP core. As of today, if a DSP is clearly dedicated to process digital signal, a CPU IP may also support these type of tasks, on top of the main processing/control function it was initially designed for. Synopsys DesignWare new ARC HS4xD family is a perfect example of a RISC CPU IP core offering 5.0 CoreMark/MHz (so we should rank it in the CPU IP category), being also capable of high performance pure DSP processing (but can we rank it into DSP IP category?).
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