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
);
parameter SEQ = 8'b01110001;
reg [7:0] data_temp;
always @(posedge clk or negedge rst_n) begin
if(rst_n == 1'b0)
data_temp <= 8'd0;
else
data_temp <= {data_temp[6:0],a};
end
always @(posedge clk or negedge rst_n) begin
if(rst_n == 1'b0)
match <= 1'b0;
else if(data_temp == SEQ)
match <= 1'b1;
else
match <= 1'b0;
end
endmodule
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