题解 | #输入序列连续的序列检测#
输入序列连续的序列检测
https://www.nowcoder.com/practice/d65c2204fae944d2a6d9a3b32aa37b39
`timescale 1ns/1ns module sequence_detect( input clk, input rst_n, input a, output reg match ); reg [7:0] atemp; always @(posedge clk or negedge rst_n) begin if (~rst_n) begin atemp <= 8'b0; match <= 1'b0; end else begin atemp <= {atemp[6:0],a}; end end always @(posedge clk or negedge rst_n) begin if (atemp == 8'b01110001) begin match <= 1'b1; end else begin match <= 1'b0; end end endmodule