mirror of
https://github.com/fairwaves/UHD-Fairwaves.git
synced 2025-11-03 13:33:15 +00:00
84 lines
2.6 KiB
Verilog
84 lines
2.6 KiB
Verilog
// $Header: /devl/xcs/repo/env/Databases/CAEInterfaces/verunilibs/data/unisims/IOBUF.v,v 1.9 2007/05/23 21:43:39 patrickp Exp $
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// Copyright (c) 1995/2004 Xilinx, Inc.
|
|
// All Right Reserved.
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// ____ ____
|
|
// / /\/ /
|
|
// /___/ \ / Vendor : Xilinx
|
|
// \ \ \/ Version : 10.1
|
|
// \ \ Description : Xilinx Functional Simulation Library Component
|
|
// / / Bi-Directional Buffer
|
|
// /___/ /\ Filename : IOBUF.v
|
|
// \ \ / \ Timestamp : Thu Mar 25 16:42:37 PST 2004
|
|
// \___\/\___\
|
|
//
|
|
// Revision:
|
|
// 03/23/04 - Initial version.
|
|
// 02/22/06 - CR#226003 - Added integer, real parameter type
|
|
// 05/23/07 - Changed timescale to 1 ps / 1 ps.
|
|
// 05/23/07 - Added wire declaration for internal signals.
|
|
|
|
`timescale 1 ps / 1 ps
|
|
|
|
|
|
module IOBUF (O, IO, I, T);
|
|
|
|
parameter CAPACITANCE = "DONT_CARE";
|
|
parameter integer DRIVE = 12;
|
|
parameter IBUF_DELAY_VALUE = "0";
|
|
parameter IFD_DELAY_VALUE = "AUTO";
|
|
parameter IOSTANDARD = "DEFAULT";
|
|
parameter SLEW = "SLOW";
|
|
|
|
output O;
|
|
inout IO;
|
|
input I, T;
|
|
|
|
wire ts;
|
|
|
|
//tri0 GTS = glbl.GTS;
|
|
|
|
or O1 (ts, GTS, T);
|
|
bufif0 T1 (IO, I, ts);
|
|
|
|
buf B1 (O, IO);
|
|
|
|
initial begin
|
|
|
|
case (CAPACITANCE)
|
|
|
|
"LOW", "NORMAL", "DONT_CARE" : ;
|
|
default : begin
|
|
$display("Attribute Syntax Error : The attribute CAPACITANCE on IOBUF instance %m is set to %s. Legal values for this attribute are DONT_CARE, LOW or NORMAL.", CAPACITANCE);
|
|
$finish;
|
|
end
|
|
|
|
endcase
|
|
|
|
case (IBUF_DELAY_VALUE)
|
|
|
|
"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16" : ;
|
|
default : begin
|
|
$display("Attribute Syntax Error : The attribute IBUF_DELAY_VALUE on IOBUF instance %m is set to %s. Legal values for this attribute are 0, 1, 2, ... or 16.", IBUF_DELAY_VALUE);
|
|
$finish;
|
|
end
|
|
|
|
endcase
|
|
|
|
|
|
case (IFD_DELAY_VALUE)
|
|
|
|
"AUTO", "0", "1", "2", "3", "4", "5", "6", "7", "8" : ;
|
|
default : begin
|
|
$display("Attribute Syntax Error : The attribute IFD_DELAY_VALUE on IOBUF instance %m is set to %s. Legal values for this attribute are AUTO, 0, 1, 2, ... or 8.", IFD_DELAY_VALUE);
|
|
$finish;
|
|
end
|
|
|
|
endcase
|
|
|
|
end // initial begin
|
|
|
|
endmodule
|
|
|