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clk_div.v
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`timescale 1ns / 1ps
// nexys3MIPSSoC is a MIPS implementation originated from COAD projects
// Copyright (C) 2014 @Wenri, @dtopn, @Speed
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
module clk_div(
input clk,
input wire rst,
input wire SW2,
output reg[31:0] clkdiv,
output wire Clk_CPU
);
always @(posedge clk or posedge rst)begin
if (rst) begin
clkdiv <= 0;
end else begin
clkdiv <= clkdiv + 1'b1;
end
end
//assign Clk_CPU = SW2?clkdiv[30]:clkdiv[1];
assign Clk_CPU = clk;
endmodule