题解 | #数据串转并电路#
数据串转并电路
https://www.nowcoder.com/practice/6134dc3c8d0741d08eb522542913583d
`timescale 1ns/1ns
module s_to_p(
input clk ,
input rst_n ,
input valid_a ,
input data_a ,
output reg ready_a ,
output reg valid_b ,
output reg [5:0] data_b
);
reg [5:0] data_6b ,count;
always @(posedge clk or negedge rst_n) begin
if(!rst_n) begin
ready_a <= 1'b0 ;
end
else begin
ready_a <= 1'b1 ;
end
end
always @(posedge clk or negedge rst_n) begin
if(!rst_n) begin
data_6b <= 6'b0 ;
end
else if(valid_a) begin
data_6b <= {data_a , data_6b[5:1]} ;
end
else begin
data_6b <= data_6b ;
end
end
always @(posedge clk or negedge rst_n) begin
if(!rst_n) begin
data_b <= 6'b0 ;
end
else if(count == 6'd5) begin
data_b <= {data_a , data_6b[5:1]} ;
end
else begin
data_b <= data_b ;
end
end
always @(posedge clk or negedge rst_n) begin
if(!rst_n) begin
count <= 6'b0 ;
end
else if(count == 6'd5) begin
count <=6'b0 ;
end
else if(valid_a) begin
count <=count + 1'b1 ;
end
else begin
count <= count ;
end
end
always @(posedge clk or negedge rst_n) begin
if(!rst_n) begin
valid_b <= 1'b0 ;
end
else if(count == 6'd5) begin
valid_b <= 1'b1 ;
end
else begin
valid_b <= 1'b0 ;
end
end
endmodule