infrastructure_iobs.v

XILINX memory interface generator. XILINX的外部存储器接口。

`timescale 1ns/100ps

module infrastructure_iobs(
                            //inputs
                            SYS_CLK,           
                            SYS_CLKb, 
//XST_REMOVECOMMENT       clk180,
//XST_REMOVECOMMENT       clk270,
	                    rst_dqs_div_int,
 	                    rst_dqs_div_in,
                                     
                            //outputs 
                            sys_clk_ibuf,      
	                    rst_dqs_div,      
 	                    rst_dqs_div_out 
                            
                           );

//input/output declarations
input       SYS_CLK;           
input       SYS_CLKb;
//XST_REMOVECOMMENT    input   clk180;
//XST_REMOVECOMMENT    input   clk270;
input       rst_dqs_div_int;
input       rst_dqs_div_in;       
output      sys_clk_ibuf;      
output      rst_dqs_div;      
output      rst_dqs_div_out;

//##### Component instantiations #####

//**************************************
//  DCI Input buffer for System clock
//**************************************

IBUFGDS_LVDS_25  lvds_clk_input( 
                                 .I(SYS_CLK),      
                                 .IB(SYS_CLKb),     
                                 .O(sys_clk_ibuf)
                               );

IBUF_SSTL2_II rst_iob_inbuf (  
                              .I(rst_dqs_div_in),
                              .O(rst_dqs_div)
                             );
  
OBUF_SSTL2_II rst_iob_outbuf (  
                              .I(rst_dqs_div_int),
                              .O(rst_dqs_div_out)
                             );


 endmodule