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I'm currently reading the book Design for Embended Image on FPGAs chapter 7 about histograms, and my big question is why during the construction of the histogram is necessary to index the output of the counters? Here's a image of this photo

Thank you!

MeowYOU
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    What exactly is the question? Why are the multiple counters? Why do they have indices? The photo shows a MUX, the index is used to select which counter value to output on count. – Max Sep 21 '21 at 06:58
  • That's exactly what I couldn't understand! Thank you! – MeowYOU Sep 21 '21 at 11:51

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