testctl.fit

数字频率计是一种用来测试周期性变化信号工作频率的装置。其原理是在规定的单位时间（闸门时间）内

-- MAX+plus II Compiler Fit File      
-- Version 10.2 07/10/2002            
-- Compiled: 12/09/2008 22:16:38      

-- Copyright (C) 1988-2002 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 "testctl"
BEGIN

    DEVICE = "EPF10K20TC144-4";

    "CLK"                          : INPUT_PIN  = 55     ;
    "CLR_CNT"                      : OUTPUT_PIN = 92     ;
    "LOAD"                         : OUTPUT_PIN = 91     ;
    "TSTEN"                        : OUTPUT_PIN = 33     ;
    ":5"                           : LOCATION   = LC5_C9 ;  -- DIV2CLK
    "~5~1"                         : LOCATION   = LC6_F15;  -- DIV2CLK~1
    ":36"                          : LOCATION   = LC4_C9 ;

END;

INTERNAL_INFO "testctl"
BEGIN
	DEVICE = EPF10K20TC144-4;
    OD5P55  : LORAX = "1:FB5->LC6_F15,->LC5_C9|2:CH1R2,PA7R2C8->LC4_C9,->LC5_C9||";
    LC6_F15 : LORAX = "1:MSW5R5C14,HHR45R5->OH5R5P33|";
    LC5_C9  : LORAX = "1:MSW4R2C8,HHL43R2->OH12R2P91|";
    LC4_C9  : LORAX = "1:MSW3R2C8,HHL6R2->OH11R2P92|";
	LC6_F15 : LORAX2 = "X, X, X, LC6_F15";
	LC5_C9  : LORAX2 = "X, X, X, LC5_C9";
	LC4_C9  : LORAX2 = "X, X, LC5_C9, OD5P55";
END;