mult.v

这个verilog代码是一个输入输出经典的例子。大家一起参考。

// megafunction wizard: %LPM_MULT%
// GENERATION: STANDARD
// VERSION: WM1.0
// MODULE: lpm_mult 

// ============================================================
// File Name: mult.v
// Megafunction Name(s):
// 			lpm_mult
// ============================================================
// ************************************************************
// THIS IS A WIZARD-GENERATED FILE. DO NOT EDIT THIS FILE!
// ************************************************************


//Copyright (C) 1991-2002 Altera Corporation
//Any  megafunction  design,  and related netlist (encrypted  or  decrypted),
//support information,  device programming or simulation file,  and any other
//associated  documentation or information  provided by  Altera  or a partner
//under  Altera's   Megafunction   Partnership   Program  may  be  used  only
//to program  PLD  devices (but not masked  PLD  devices) from  Altera.   Any
//other  use  of such  megafunction  design,  netlist,  support  information,
//device programming or simulation file,  or any other  related documentation
//or information  is prohibited  for  any  other purpose,  including, but not
//limited to  modification,  reverse engineering,  de-compiling, or use  with
//any other  silicon devices,  unless such use is  explicitly  licensed under
//a separate agreement with  Altera  or a megafunction partner.  Title to the
//intellectual property,  including patents,  copyrights,  trademarks,  trade
//secrets,  or maskworks,  embodied in any such megafunction design, netlist,
//support  information,  device programming or simulation file,  or any other
//related documentation or information provided by  Altera  or a megafunction
//partner, remains with Altera, the megafunction partner, or their respective
//licensors. No other licenses, including any licenses needed under any third
//party's intellectual property, are provided herein.


module mult (
	dataa,
	datab,
	clock,
	result);

	input	[7:0]  dataa;
	input	[7:0]  datab;
	input	  clock;
	output	[15:0]  result;

	wire [15:0] sub_wire0;
	wire [15:0] result = sub_wire0[15:0];

	lpm_mult	lpm_mult_component (
				.dataa (dataa),
				.datab (datab),
				.clock (clock),
				.result (sub_wire0));
	defparam
		lpm_mult_component.lpm_widtha = 8,
		lpm_mult_component.lpm_widthb = 8,
		lpm_mult_component.lpm_widthp = 16,
		lpm_mult_component.lpm_widths = 16,
		lpm_mult_component.lpm_type = "LPM_MULT",
		lpm_mult_component.lpm_representation = "UNSIGNED",
		lpm_mult_component.lpm_pipeline = 3,
		lpm_mult_component.lpm_hint = "MAXIMIZE_SPEED=6";


endmodule

// ============================================================
// CNX file retrieval info
// ============================================================
// Retrieval info: PRIVATE: WidthA NUMERIC "8"
// Retrieval info: PRIVATE: WidthB NUMERIC "8"
// Retrieval info: PRIVATE: WidthS NUMERIC "16"
// Retrieval info: PRIVATE: WidthP NUMERIC "16"
// Retrieval info: PRIVATE: OptionalSum NUMERIC "0"
// Retrieval info: PRIVATE: AutoSizeResult NUMERIC "0"
// Retrieval info: PRIVATE: B_isConstant NUMERIC "0"
// Retrieval info: PRIVATE: SignedMult NUMERIC "0"
// Retrieval info: PRIVATE: ConstantB NUMERIC "0"
// Retrieval info: PRIVATE: ValidConstant NUMERIC "0"
// Retrieval info: PRIVATE: Latency NUMERIC "1"
// Retrieval info: PRIVATE: aclr NUMERIC "0"
// Retrieval info: PRIVATE: clken NUMERIC "0"
// Retrieval info: PRIVATE: LPM_PIPELINE NUMERIC "3"
// Retrieval info: PRIVATE: optimize NUMERIC "0"
// Retrieval info: CONSTANT: LPM_WIDTHA NUMERIC "8"
// Retrieval info: CONSTANT: LPM_WIDTHB NUMERIC "8"
// Retrieval info: CONSTANT: LPM_WIDTHP NUMERIC "16"
// Retrieval info: CONSTANT: LPM_WIDTHS NUMERIC "16"
// Retrieval info: CONSTANT: LPM_TYPE STRING "LPM_MULT"
// Retrieval info: CONSTANT: LPM_REPRESENTATION STRING "UNSIGNED"
// Retrieval info: CONSTANT: LPM_PIPELINE NUMERIC "3"
// Retrieval info: CONSTANT: LPM_HINT STRING "MAXIMIZE_SPEED=6"
// Retrieval info: USED_PORT: dataa 0 0 8 0 INPUT NODEFVAL dataa[7..0]
// Retrieval info: USED_PORT: result 0 0 16 0 OUTPUT NODEFVAL result[15..0]
// Retrieval info: USED_PORT: datab 0 0 8 0 INPUT NODEFVAL datab[7..0]
// Retrieval info: USED_PORT: clock 0 0 0 0 INPUT NODEFVAL clock
// Retrieval info: CONNECT: @dataa 0 0 8 0 dataa 0 0 8 0
// Retrieval info: CONNECT: result 0 0 16 0 @result 0 0 16 0
// Retrieval info: CONNECT: @datab 0 0 8 0 datab 0 0 8 0
// Retrieval info: CONNECT: @clock 0 0 0 0 clock 0 0 0 0
// Retrieval info: LIBRARY: lpm lpm.lpm_components.all