题解 | #异步复位同步释放#
异步复位同步释放
https://www.nowcoder.com/practice/9b892b6f75954267b4574b042f8a8d6a
//打俩拍
`timescale 1ns/1ns
module ali16(
input clk,
input rst_n,
input d,
output reg dout
);
//*************code***********//
reg rst_n0,rst_n1;
always@(posedge clk or negedge rst_n)
if(!rst_n)
{rst_n0,rst_n1}<=0;
else
{rst_n0,rst_n1}<={rst_n,rst_n0};
always@(posedge clk or negedge rst_n1)
if(!rst_n1)
dout<=0;
else
dout<=d;
//*************code***********//
endmodule
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