ask.fit

提供一个把通信中ASK调制用VHDL来实现的例子

-- MAX+plus II Compiler Fit File      
-- Version 10.2 07/10/2002            
-- Compiled: 12/11/2008 16:05:35      

-- 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 "ask"
BEGIN

    DEVICE = "EPM7032LC44-6";

    "base_input"                   : INPUT_PIN  = 5      ; -- LC2
    "clk"                          : INPUT_PIN  = 43     ;
    "start"                        : INPUT_PIN  = 4      ; -- LC1
    "ask"                          : OUTPUT_PIN = 6      ; -- LC3
    "base_output"                  : OUTPUT_PIN = 41     ; -- LC17
    "|ask_decoder:u2|LPM_ADD_SUB:109|addcore:adder|addcore:adder0|result_node2" : LOCATION   = LC23   ; -- PIN 34
    "|ask_decoder:u2|LPM_ADD_SUB:109|addcore:adder|addcore:adder0|result_node3" : LOCATION   = LC24   ; -- PIN 33
    "|ask_decoder:u2|LPM_ADD_SUB:109|addcore:adder|addcore:adder0|result_node4" : LOCATION   = LC29   ; -- PIN 27
    "|ask_decoder:u2|LPM_ADD_SUB:109|addcore:adder|addcore:adder0|result_node5" : LOCATION   = LC30   ; -- PIN 26
    "|ask_decoder:u2|:6"           : LOCATION   = LC15   ; -- PIN 20  -- |ask_decoder:u2|data_reg
    "|ask_decoder:u2|:7"           : LOCATION   = LC26   ; -- PIN 31  -- |ask_decoder:u2|cnt5
    "|ask_decoder:u2|:8"           : LOCATION   = LC22   ; -- PIN 36  -- |ask_decoder:u2|cnt4
    "|ask_decoder:u2|:9"           : LOCATION   = LC21   ; -- PIN 37  -- |ask_decoder:u2|cnt3
    "|ask_decoder:u2|:10"          : LOCATION   = LC20   ; -- PIN 38  -- |ask_decoder:u2|cnt2
    "|ask_decoder:u2|:11"          : LOCATION   = LC19   ; -- PIN 39  -- |ask_decoder:u2|cnt1
    "|ask_decoder:u2|:12"          : LOCATION   = LC18   ; -- PIN 40  -- |ask_decoder:u2|cnt0
    "|ask_decoder:u2|:13"          : LOCATION   = LC27   ; -- PIN 29  -- |ask_decoder:u2|rising_cnt1
    "|ask_decoder:u2|:14"          : LOCATION   = LC25   ; -- PIN 32  -- |ask_decoder:u2|rising_cnt0
    "|ask_encoder:u1|LPM_ADD_SUB:87|addcore:adder|addcore:adder0|result_node3" : LOCATION   = LC14   ; -- PIN 19
    "|ask_encoder:u1|LPM_ADD_SUB:128|addcore:adder|addcore:adder0|result_node3" : LOCATION   = LC13   ; -- PIN 18
    "|ask_encoder:u1|:6"           : LOCATION   = LC12   ; -- PIN 17  -- |ask_encoder:u1|cntf3
    "|ask_encoder:u1|:7"           : LOCATION   = LC11   ; -- PIN 16  -- |ask_encoder:u1|cntf2
    "|ask_encoder:u1|:8"           : LOCATION   = LC10   ; -- PIN 14  -- |ask_encoder:u1|cntf1
    "|ask_encoder:u1|:9"           : LOCATION   = LC8    ; -- PIN 12  -- |ask_encoder:u1|cntf0
    "|ask_encoder:u1|:10"          : LOCATION   = LC4    ; -- PIN 7  -- |ask_encoder:u1|f

END;

INTERNAL_INFO "ask"
BEGIN
	DEVICE = EPM7032LC44-6;
	LC3     : LORAX = "G11R0,PA3R0C0";
	LC17    : LORAX = "G13R0,PA7R0C1";
	OH1R0P5 : LORAX = "G44R0,PA19R0C0";
	LC4     : LORAX = "G12R0,PA0R0C0";
	OH0R0P4 : LORAX = "G43R0,PA20R0C0,PA20R0C1";
	LC12    : LORAX = "G37R0,PA25R0C0";
	LC11    : LORAX = "G36R0,PA24R0C0";
	LC10    : LORAX = "G35R0,PA22R0C0";
	LC8     : LORAX = "G29R0,PA9R0C0";
	LC14    : LORAX = "G52R0,PA30R0C0";
	LC13    : LORAX = "G51R0,PA28R0C0";
	LC26    : LORAX = "G39R0,PA25R0C1";
	LC22    : LORAX = "G31R0,PA14R0C1";
	LC21    : LORAX = "G30R0,PA16R0C1";
	LC20    : LORAX = "G16R0,PA1R0C1";
	LC19    : LORAX = "G15R0,PA4R0C1";
	LC18    : LORAX = "G14R0,PA5R0C1";
	LC23    : LORAX = "G32R0,PA12R0C1";
	LC24    : LORAX = "G33R0,PA10R0C1";
	LC29    : LORAX = "G55R0,PA27R0C1";
	LC30    : LORAX = "G56R0,PA34R0C1";
	LC27    : LORAX = "G40R0,PA19R0C1";
	LC25    : LORAX = "G38R0,PA18R0C1";
	LC15    : LORAX = "G53R0,PA33R0C1";
END;