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user: Explain the difference between blocking and non-blocking assignments in Verilog.

VLSI AI: Great question! In Verilog:

Blocking (=) executes sequentially — each statement completes before the next begins.
Non-blocking (<=)< /span> executes concurrently — all assignments happen at the end of the time step...

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module counter (
  input clk, rst,
  output reg [3:0] count
);
always @(posedge clk)
  if (rst) count <= 0;
  else count <= count + 1;
endmodule

✓ Compiled successfully
✓ Waveform generated

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