frequency.qsf

这是一个通过外部按键来控制发光二极管发光的程序

# Copyright (C) 1991-2005 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
#		frequency_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 ACEX1K
set_global_assignment -name DEVICE "EP1K100QC208-3"
set_global_assignment -name TOP_LEVEL_ENTITY frequency
set_global_assignment -name ORIGINAL_QUARTUS_VERSION 5.1
set_global_assignment -name PROJECT_CREATION_TIME_DATE "13:10:51  DECEMBER 19, 2008"
set_global_assignment -name LAST_QUARTUS_VERSION 5.1
set_global_assignment -name VHDL_FILE frequency.vhd
set_global_assignment -name FITTER_EFFORT "STANDARD FIT"
set_location_assignment PIN_79 -to clk
set_location_assignment PIN_88 -to clkout
set_global_assignment -name VHDL_FILE fp.vhd
set_global_assignment -name VHDL_FILE keyscan.vhd
set_global_assignment -name VHDL_FILE keydecoder.vhd
set_global_assignment -name VHDL_FILE fptd.vhd
set_location_assignment PIN_103 -to keyin[1]
set_location_assignment PIN_101 -to keyin[0]
set_location_assignment PIN_97 -to keydrv[3]
set_location_assignment PIN_100 -to keydrv[2]
set_location_assignment PIN_102 -to keydrv[1]
set_location_assignment PIN_104 -to keydrv[0]
set_location_assignment PIN_89 -to en