`timescale 1ns / 1ps | |
////////////////////////////////////////////////////////////////////////////////// | |
// Company: | |
// Engineer: Wenting Zhang | |
// | |
// Create Date: 21:19:04 04/08/2018 | |
// Module Name: edgedet | |
// Project Name: VerilogBoy | |
// Description: | |
// | |
// Dependencies: | |
// | |
// Additional Comments: | |
// | |
////////////////////////////////////////////////////////////////////////////////// | |
module edgedet( | |
input wire clk, | |
input wire i, | |
output wire o | |
); | |
reg last_i; | |
always @(posedge clk) | |
last_i <= i; | |
assign o = (!last_i) && i; | |
endmodule |