dds.qsf

这是一个用vhdl语言实现dds的例子

# Copyright (C) 1991-2006 Altera Corporation
# Your use of Altera Corporation's design tools, logic functions 
# and other software and tools, and its AMPP partner logic 
# functions, and any output files any of the foregoing 
# (including device programming or simulation files), and any 
# associated documentation or information are expressly subject 
# to the terms and conditions of the Altera Program License 
# Subscription Agreement, Altera MegaCore Function License 
# Agreement, or other applicable license agreement, including, 
# without limitation, that your use is for the sole purpose of 
# programming logic devices manufactured by Altera and sold by 
# Altera or its authorized distributors.  Please refer to the 
# applicable agreement for further details.


# The default values for assignments are stored in the file
#		dds_assignment_defaults.qdf
# If this file doesn't exist, and for assignments not listed, see file
#		assignment_defaults.qdf

# Altera recommends that you do not modify this file. This
# file is updated automatically by the Quartus II software
# and any changes you make may be lost or overwritten.


set_global_assignment -name FAMILY "Cyclone II"
set_global_assignment -name DEVICE EP2C8T144C8
set_global_assignment -name TOP_LEVEL_ENTITY dds
set_global_assignment -name ORIGINAL_QUARTUS_VERSION "5.1 SP1"
set_global_assignment -name PROJECT_CREATION_TIME_DATE "21:07:18  NOVEMBER 30, 2006"
set_global_assignment -name LAST_QUARTUS_VERSION 6.0
set_global_assignment -name DEVICE_FILTER_PIN_COUNT 144
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 8
set_global_assignment -name VHDL_FILE "D:\\altera\\quartus51\\dds\\dds.vhd"
set_global_assignment -name VHDL_FILE add.vhd
set_global_assignment -name BDF_FILE Block1.bdf
set_global_assignment -name BDF_FILE dds.bdf
set_global_assignment -name VECTOR_WAVEFORM_FILE dds.vwf
set_global_assignment -name VECTOR_WAVEFORM_FILE dds.sim.vwf
set_global_assignment -name VECTOR_INPUT_SOURCE "E:\\test\\dds\\Waveform1.vwf"
set_global_assignment -name END_TIME "10 us"
set_global_assignment -name VECTOR_WAVEFORM_FILE Waveform1.vwf
set_global_assignment -name STRATIX_CONFIGURATION_DEVICE EPCS1
set_global_assignment -name RESERVE_ALL_UNUSED_PINS "AS INPUT TRI-STATED"
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD LVTTL
set_global_assignment -name RESERVE_ASDO_AFTER_CONFIGURATION "AS INPUT TRI-STATED"
set_global_assignment -name FITTER_EFFORT "STANDARD FIT"
set_global_assignment -name RESERVE_ALL_UNUSED_PINS_NO_OUTPUT_GND "AS INPUT TRI-STATED"