8OD CPLD Top level schematic

(8OD – Main article)

One thing I never got around to when I originally published the details of this project, was any kind of disclosure of what’s in that CPLD. The thing is, that it’s pretty much all VHDL, and not very interesting to look at.

Recently I’ve re-worked it such that it now has a fairly tidy top level schematic. Sure, it still doesn’t reveal every intimate detail of how to build 8OD from primitive logic gates (that would require hundreds, if not thousands of individual gates), but it does give at least some idea of what is going on inside there.

Download it here.

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