State Machine Design Tips(1)

• Use One-Hot Encoding for State Machines

  • Shift-register like structure
  • One Flip-Flop is assigned to each state
  • Works well in Xilinx “register-rich” FPGAs
  • Number of required Flip-Flops may be higher than other state machines, but logic to generate state is less complex

Prototype OHE State Machine:

Qx, Qy, and Qz are composed of

state variables from previous states

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