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Hmmm. By reading a bit of the DSP Builder documentation I suspect that channels are samples that are fed through the same arithmetic processes but are individual to each other. For example I need the control system for a power electonics application and for this I need some current and voltage samples to be fed into some control structure. Since the current and voltage are combined inside the arithmetic process I cannot combine them datapath as two channels. Is it so?
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if current signal is separate from voltage signals then in theory it is two information channels. When it comes to processing then if you are targeting same identical processing on each then you can use two channel settings. but if at some point you need to process them together then naturally it is one channel from processing perspective.
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