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What are buried nodes in vhdl?

In: Electronics Engineering [Edit categories]

Answer:

When implementing s state machine in VHDL and a 22V10 PAL, you must list the state variables in the port list (in the ENTITY section). If you do not, VHDL consideres them to be buried nodes and disables the output pins. This means there is no way of using test equipment to look at the machine state.

First answer by ID1001467886. Last edit by ID1001467886. Question popularity: 1 [recommend question].

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