Subversion Repositories aes_highthroughput_lowarea

//////////////////////////////////////////////////////////////////////
////                                                              ////
////  Ram module                                                  ////
////                                                              ////
////  Description:                                                ////
////  this is 16x64, we can use a 16x128 to replace two of this   ////
////    module, also, can use specific foundry libs instead       ////
////                                                              ////
////  To Do:                                                      ////
////   - done                                                     ////
////                                                              ////
////  Author(s):                                                  ////
////      - Luo Dongjun,   dongjun_luo@hotmail.com                ////
////                                                              ////
//////////////////////////////////////////////////////////////////////
module xram_16x64 
(
	clk, wr,
	wr_addr, wr_data,
	rd_addr, rd_data
);
 
input clk, wr;
input [3:0] wr_addr, rd_addr;
input [63:0] wr_data;
output [63:0] rd_data;
 
reg [63:0] mem [15:0];
wire [63:0] rd_data;
 
// behavioral code for 16x64 mem
always @ (posedge clk)
begin
   if (wr)
      mem[wr_addr] <= wr_data;
end
 
assign rd_data = mem[rd_addr];
 
endmodule