cnt10.fit

本程序完整的实现了数字频率计的常用功能。并对通常数字频率计的常见问题进行了改进。具有实用价值。

-- MAX+plus II Compiler Fit File      
-- Version 10.0 9/14/2000             
-- Compiled: 11/15/2004 18:05:02      

-- 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 "cnt10"
BEGIN

    DEVICE = "EPF10K10LC84-3";

    "clk"                          : INPUT_PIN  = 1      ;
    "clr"                          : INPUT_PIN  = 2      ;
    "en"                           : INPUT_PIN  = 42     ;
    "cin"                          : OUTPUT_PIN = 25     ;
    "count0"                       : OUTPUT_PIN = 24     ;
    "count1"                       : OUTPUT_PIN = 65     ;
    "count2"                       : OUTPUT_PIN = 23     ;
    "count3"                       : OUTPUT_PIN = 22     ;
    "clr~1"                        : LOCATION   = LC1_B12;
    "|LPM_ADD_SUB:83|addcore:adder|:63" : LOCATION   = LC6_B4 ;
    "|LPM_ADD_SUB:83|addcore:adder|:76" : LOCATION   = LC4_B4 ;
    ":8"                           : LOCATION   = LC7_B4 ;
    ":10"                          : LOCATION   = LC1_B4 ;  -- tem3
    ":11"                          : LOCATION   = LC3_B4 ;  -- tem2
    ":12"                          : LOCATION   = LC8_B4 ;  -- tem1
    ":13"                          : LOCATION   = LC5_B4 ;  -- tem0
    ":51"                          : LOCATION   = LC2_B4 ;

END;

INTERNAL_INFO "cnt10"
BEGIN
	DEVICE = EPF10K10LC84-3;
    OD4P1   : LORAX = "1:FB4->LC7_B4,->LC1_B4,->LC3_B4,->LC8_B4,->LC5_B4|";
    OD1P2   : LORAX = "1:FB1->LC1_B4,->LC3_B4,->LC8_B4,->LC5_B4|2:FH1R1,PA20R1C11->LC1_B12||";
    LC1_B12 : LORAX = "1:MSW0R1C11,HHL20R1,PA16R1C3->LC7_B4|";
    OD3P42  : LORAX = "1:FB3|2:FH3R1,PA5R1C3->LC7_B4,->LC1_B4,->LC3_B4,->LC8_B4,->LC5_B4||";
    LC7_B4  : LORAX = "1:MSW7R1C2,HHL37R1->OH15R1P25|";
    LC1_B4  : LORAX = "1:MSW1R1C2,HHL2R1->OH9R1P22|";
    LC3_B4  : LORAX = "1:MSW3R1C2,G23R1->OH11R1P23|";
    LC8_B4  : LORAX = "1:MSW4R1C2,G69R1->OH4R1P65|";
    LC5_B4  : LORAX = "1:MSW5R1C2,G57R1->OH13R1P24|";
	LC1_B12 : LORAX2 = "X, X, X, OD1P2";
	LC6_B4  : LORAX2 = "X, LC3_B4, LC5_B4, LC8_B4";
	LC4_B4  : LORAX2 = "X, LC3_B4, LC5_B4, LC8_B4";
	LC7_B4  : LORAX2 = "LC1_B12, OD3P42, LC7_B4, LC2_B4";
	LC1_B4  : LORAX2 = "OD3P42, LC1_B4, LC6_B4, LC2_B4";
	LC3_B4  : LORAX2 = "OD3P42, LC3_B4, LC4_B4, LC2_B4";
	LC8_B4  : LORAX2 = "OD3P42, LC8_B4, LC2_B4, LC5_B4";
	LC5_B4  : LORAX2 = "X, X, OD3P42, LC5_B4";
	LC2_B4  : LORAX2 = "LC1_B4, LC5_B4, LC3_B4, LC8_B4";
END;