86 lines
3.4 KiB
Coq
86 lines
3.4 KiB
Coq
|
// ***************************************************************************
|
||
|
|
// ***************************************************************************
|
||
|
|
// Copyright 2014(c) Analog Devices, Inc.
|
||
|
|
//
|
||
|
|
// All rights reserved.
|
||
|
|
//
|
||
|
|
// Redistribution and use in source and binary forms, with or without modification,
|
||
|
|
// are permitted provided that the following conditions are met:
|
||
|
|
// - Redistributions of source code must retain the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer.
|
||
|
|
// - Redistributions in binary form must reproduce the above copyright
|
||
|
|
// notice, this list of conditions and the following disclaimer in
|
||
|
|
// the documentation and/or other materials provided with the
|
||
|
|
// distribution.
|
||
|
|
// - Neither the name of Analog Devices, Inc. nor the names of its
|
||
|
|
// contributors may be used to endorse or promote products derived
|
||
|
|
// from this software without specific prior written permission.
|
||
|
|
// - The use of this software may or may not infringe the patent rights
|
||
|
|
// of one or more patent holders. This license does not release you
|
||
|
|
// from the requirement that you obtain separate licenses from these
|
||
|
|
// patent holders to use this software.
|
||
|
|
// - Use of the software either in source or binary form, must be run
|
||
|
|
// on or directly connected to an Analog Devices Inc. component.
|
||
|
|
//
|
||
|
|
// THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
||
|
|
// INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A
|
||
|
|
// PARTICULAR PURPOSE ARE DISCLAIMED.
|
||
|
|
//
|
||
|
|
// IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
||
|
|
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, INTELLECTUAL PROPERTY
|
||
|
|
// RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
|
||
|
|
// BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
||
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
||
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||
|
|
// ***************************************************************************
|
||
|
|
// ***************************************************************************
|
||
|
|
// ***************************************************************************
|
||
|
|
// ***************************************************************************
|
||
|
|
// replacing Xilinx's macro with Altera's LPM
|
||
|
|
|
||
|
|
`timescale 1ps/1ps
|
||
|
|
|
||
|
|
module MULT_MACRO (
|
||
|
|
|
||
|
|
CE,
|
||
|
|
RST,
|
||
|
|
CLK,
|
||
|
|
A,
|
||
|
|
B,
|
||
|
|
P);
|
||
|
|
|
||
|
|
parameter LATENCY = 3;
|
||
|
|
parameter WIDTH_A = 16;
|
||
|
|
parameter WIDTH_B = 16;
|
||
|
|
|
||
|
|
localparam WIDTH_P = WIDTH_A + WIDTH_B;
|
||
|
|
|
||
|
|
input CE;
|
||
|
|
input RST;
|
||
|
|
input CLK;
|
||
|
|
|
||
|
|
input [WIDTH_A-1:0] A;
|
||
|
|
input [WIDTH_B-1:0] B;
|
||
|
|
output [WIDTH_P-1:0] P;
|
||
|
|
|
||
|
|
lpm_mult #(
|
||
|
|
.lpm_type ("lpm_mult"),
|
||
|
|
.lpm_widtha (WIDTH_A),
|
||
|
|
.lpm_widthb (WIDTH_B),
|
||
|
|
.lpm_widthp (WIDTH_P),
|
||
|
|
.lpm_representation ("SIGNED"),
|
||
|
|
.lpm_pipeline (3))
|
||
|
|
i_lpm_mult (
|
||
|
|
.clken (CE),
|
||
|
|
.aclr (RST),
|
||
|
|
.sum (1'b0),
|
||
|
|
.clock (CLK),
|
||
|
|
.dataa (A),
|
||
|
|
.datab (B),
|
||
|
|
.result (P));
|
||
|
|
|
||
|
|
endmodule
|
||
|
|
|
||
|
|
// ***************************************************************************
|
||
|
|
// ***************************************************************************
|