题解 | #时钟分频(偶数)#
时钟分频(偶数)
https://www.nowcoder.com/practice/49a7277c203a4ddd956fa385e687a72e
`timescale 1ns/1ns module even_div ( input wire rst , input wire clk_in, output reg clk_out2, output reg clk_out4, output reg clk_out8 ); //*************code***********// reg [2:0] cnt; always @(posedge clk_in or negedge rst)begin if(!rst)begin cnt <= 3'd0; end else if(cnt == 3'd7) begin cnt <= 0; end else begin cnt <= cnt + 1'd1; end end always @(posedge clk_in or negedge rst)begin if(!rst)begin clk_out2 <= 1'b0; clk_out4 <= 1'b0; clk_out8 <= 1'b0; end else begin clk_out2 <= !cnt[0]; clk_out4 <= !cnt[1]; clk_out8 <= !cnt[2]; end end //*************code***********// endmodule