同期DPRAM

  • タグ:
  • タグはありません
module dpram_8x512 (
	p_reset, m_clock, radrs, wadrs, din, dout, write, read
);

input p_reset, m_clock;
input [8:0] radrs, wadrs;
input [7:0] din;
output [7:0] dout;
reg [7:0] dout_reg;
input write, read;

	reg [7:0] cells [0:511];

	assign dout = dout_reg;

	always @(posedge m_clock) begin
		if(read) dout_reg <= cells[radrs];
	end

	always @(posedge m_clock) begin
		if(write) cells[wadrs] <= din;
	end

endmodule