用verilog写一个传输FIFO,32位宽32深度
时间: 2023-03-24 22:02:27 浏览: 58
好的,我可以回答这个问题。以下是一个用 Verilog 编写的传输 FIFO,32 位宽,32 深度的示例代码:
module fifo (
input clk,
input rst,
input wr_en,
input rd_en,
input [31:] data_in,
output [31:] data_out,
output empty,
output full
);
reg [31:] mem [:31];
reg [4:] wr_ptr;
reg [4:] rd_ptr;
reg empty_reg;
reg full_reg;
always @(posedge clk) begin
if (rst) begin
wr_ptr <= ;
rd_ptr <= ;
empty_reg <= 1;
full_reg <= ;
end else begin
if (wr_en && !full_reg) begin
mem[wr_ptr] <= data_in;
wr_ptr <= wr_ptr + 1;
if (wr_ptr == 31) begin
wr_ptr <= ;
end
if (wr_ptr == rd_ptr) begin
full_reg <= 1;
end
empty_reg <= ;
end
if (rd_en && !empty_reg) begin
data_out <= mem[rd_ptr];
rd_ptr <= rd_ptr + 1;
if (rd_ptr == 31) begin
rd_ptr <= ;
end
if (rd_ptr == wr_ptr) begin
empty_reg <= 1;
end
full_reg <= ;
end
end
end
assign empty = empty_reg;
assign full = full_reg;
endmodule
希望这个代码对你有帮助!