dds.vwf

程序用VHDL实现： 频率合成

/*
WARNING: Do NOT edit the input and output ports in this file in a text
editor if you plan to continue editing the block that represents it in
the Block Editor! File corruption is VERY likely to occur.
*/

/*
Copyright (C) 1991-2004 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.
*/

HEADER
{
	VERSION = 1;
	TIME_UNIT = ns;
	PRINT_OPTIONS = "Print_options_version 6\
range_start 0ps\
range_end 10.0us\
width 1\
names_percentage 25\
comments 1\
grid_lines 1\
time_bars 1\
name_every_page 0\
expand_groups 0\
print_all 1";
	SIMULATION_TIME = 10000.0;
	GRID_PHASE = 0.0;
	GRID_PERIOD = 100.0;
	GRID_DUTY_CYCLE = 50;
}

SIGNAL("CLK")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("FREQ")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = BUS;
	WIDTH = 10;
	LSB_INDEX = 0;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("FREQ[9]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[8]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[7]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[6]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[5]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[4]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[3]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[2]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[1]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("FREQ[0]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "FREQ";
}

SIGNAL("OUT_C")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = BUS;
	WIDTH = 10;
	LSB_INDEX = 0;
	DIRECTION = OUTPUT;
	PARENT = "";
}

SIGNAL("OUT_C[9]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[8]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[7]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[6]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[5]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[4]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[3]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[2]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[1]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("OUT_C[0]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_C";
}

SIGNAL("PHASE")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = BUS;
	WIDTH = 10;
	LSB_INDEX = 0;
	DIRECTION = INPUT;
	PARENT = "";
}

SIGNAL("PHASE[9]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[8]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[7]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[6]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[5]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[4]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[3]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[2]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[1]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("PHASE[0]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = INPUT;
	PARENT = "PHASE";
}

SIGNAL("OUT_S")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = BUS;
	WIDTH = 10;
	LSB_INDEX = 0;
	DIRECTION = OUTPUT;
	PARENT = "";
}

SIGNAL("OUT_S[9]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[8]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[7]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[6]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[5]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[4]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[3]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[2]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[1]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

SIGNAL("OUT_S[0]")
{
	VALUE_TYPE = NINE_LEVEL_BIT;
	SIGNAL_TYPE = SINGLE_BIT;
	WIDTH = 1;
	LSB_INDEX = -1;
	DIRECTION = OUTPUT;
	PARENT = "OUT_S";
}

TRANSITION_LIST("CLK")
{
	NODE
	{
		REPEAT = 1;
		NODE
		{
			REPEAT = 500;
			LEVEL 0 FOR 10.0;
			LEVEL 1 FOR 10.0;
		}
	}
}

TRANSITION_LIST("FREQ[9]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[8]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[7]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[6]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[5]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[4]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[3]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[2]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 1 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[1]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("FREQ[0]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("OUT_C[9]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 10000.0;
	}
}

TRANSITION_LIST("OUT_C[8]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 380.7;
		LEVEL 1 FOR 340.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 1400.0;
		LEVEL 1 FOR 80.0;
		LEVEL 0 FOR 700.0;
		LEVEL 1 FOR 60.0;
		LEVEL 0 FOR 580.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 500.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 440.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 400.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 360.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 340.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 320.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 300.0;
		LEVEL 1 FOR 40.0;
		NODE
		{
			REPEAT = 2;
			LEVEL 0 FOR 280.0;
			LEVEL 1 FOR 20.0;
		}
		LEVEL 0 FOR 260.0;
		LEVEL 1 FOR 40.0;
		NODE
		{
			REPEAT = 3;
			LEVEL 0 FOR 240.0;
			LEVEL 1 FOR 20.0;
		}
		LEVEL 0 FOR 480.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 200.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 220.0;
		NODE
		{
			REPEAT = 2;
			LEVEL 1 FOR 20.0;
			LEVEL 0 FOR 200.0;
		}
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 399.3;
	}
}

TRANSITION_LIST("OUT_C[7]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 20.6;
		LEVEL 1 FOR 360.0;
		LEVEL 0 FOR 200.0;
		LEVEL 1 FOR 140.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 1380.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 680.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 20.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 560.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 20.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 520.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 460.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 380.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 380.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 320.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 660.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 580.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 280.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 1000.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 220.0;
		LEVEL 1 FOR 40.0;
		LEVEL 0 FOR 440.0;
		NODE
		{
			REPEAT = 2;
			LEVEL 1 FOR 20.0;
			LEVEL 0 FOR 200.0;
		}
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 180.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 199.4;
	}
}

TRANSITION_LIST("OUT_C[6]")
{
	NODE
	{
		REPEAT = 1;
		LEVEL 0 FOR 20.7;
		LEVEL 1 FOR 360.0;
		LEVEL 0 FOR 140.0;
		LEVEL 1 FOR 60.0;
		LEVEL 0 FOR 80.0;
		LEVEL 1 FOR 60.0;
		LEVEL 0 FOR 40.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 1380.0;
		LEVEL 1 FOR 20.0;
		LEVEL 0 FOR 60.0;
		LEVEL 1 FOR 20.0;