ethernet/rtl/nrzi_encode.v

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// SPDX-License-Identifier: AGPL-3.0-Only OR CERN-OHL-S-2.0
/*
* Copyright (C) 2022 Sean Anderson <seanga2@gmail.com>
*/
`include "common.vh"
module nrzi_encode (
input clk,
input nrz,
output reg nrzi
);
reg nrzi_next;
initial nrzi = 1;
always @(*)
nrzi_next = nrz ^ nrzi;
always @(posedge clk)
nrzi <= nrzi_next;
endmodule