シフトレジスタもどき
シフトさせまくって64bit分溜まったら吐き出す
吐き出すとき、Enableがたつ
使えるかどうかは、要確認
module Shift64 #( parameter DATA_WIDTH = 64, parameter LOG_WIDTH = 6 )( input InData, output reg [(DATA_WIDTH-1):0] OutData, input CLK50M, output reg DataEnable ); reg [(DATA_WIDTH-1):0] Data; reg [(LOG_WIDTH-1):0] count; initial count = 0; initial Data = 0; initial OutData = 0; initial DataEnable = 0; always @(posedge CLK50M) begin if(count != DATA_WIDTH) begin count <= count + 1'b1; Data[(DATA_WIDTH-1):0] <= {Data[(DATA_WIDTH-2):0],Data}; DataEnable <= 0; end else begin OutData <= Data; count <= 0; DataEnable <= 1; end end endmodule