Designing State Machines

When designing state machines in AHDL, you can either assign state bits and state values yourself, or allow the Compiler to perform this process.

To allow the Compiler to make automatic state assignments, draw a state diagram and construct a next-state table. The Compiler then performs the following functions automatically:

The Compiler uses advanced proprietary heuristic algorithms to make automatic state assignments that minimize the logic resources required to implement the state machine.

To specify a state machine in AHDL, you must include the following items in the Text Design File (.tdf):

The following topics provide information on creating state machines:

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