edge.fit

PLL是数字锁相环设计源程序, 其中, Fi是输入频率(接收数据), Fo(Q5)是本地输出频率. 目的是从输入数据中提取时钟信号(Q5), 其频率与数据速率一致, 时钟上升沿锁定

-- MAX+plus II Compiler Fit File      
-- Version 10.0 9/14/2000             
-- Compiled: 06/05/2003 18:20:08      

-- Copyright (C) 1988-2000 Altera Corporation
-- Any megafunction design, and related net list (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, net list, 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,
-- net list, 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.

CHIP "edge"
BEGIN

    DEVICE = "EPF10K10LC84-3";

    "ck"                           : INPUT_PIN  = 1      ;
    "in"                           : INPUT_PIN  = 2      ;
    "out"                          : OUTPUT_PIN = 25     ;
    ":1"                           : LOCATION   = LC1_B2 ;
    ":6"                           : LOCATION   = LC8_B2 ;

END;

INTERNAL_INFO "edge"
BEGIN
	DEVICE = EPF10K10LC84-3;
    OD4P1   : LORAX = "1:FB4->LC1_B2,->LC8_B2|";
    OD1P2   : LORAX = "1:FB1|2:FH1R1,PA20R1C1->LC1_B2||";
    LC8_B2  : LORAX = "1:MSW7R1C1,HHL35R1->OH15R1P25|";
	LC1_B2  : LORAX2 = "OD1P2, X, X, X";
	LC8_B2  : LORAX2 = "X, X, X, LC1_B2";
END;