usbrefdesign.qsf

这是一个在MAX II CPLD利用FT245BM 模块实现USB传输的读写程序

# 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
#		USBRefDesign_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.


# Project-Wide Assignments
# ========================
set_global_assignment -name ORIGINAL_QUARTUS_VERSION "4.1 SP1"
set_global_assignment -name PROJECT_CREATION_TIME_DATE "10:40:13  SEPTEMBER 08, 2004"
set_global_assignment -name LAST_QUARTUS_VERSION 7.0

# Pin & Location Assignments
# ==========================

# Analysis & Synthesis Assignments
# ================================
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 5
set_global_assignment -name FAMILY "MAX II"
set_global_assignment -name STATE_MACHINE_PROCESSING "ONE-HOT"
set_global_assignment -name TOP_LEVEL_ENTITY USBRefDesign

# Fitter Assignments
# ==================
set_global_assignment -name DEVICE EPM1270T144C5
set_global_assignment -name ENABLE_DEVICE_WIDE_RESET ON
set_global_assignment -name RESERVE_ALL_UNUSED_PINS "AS INPUT TRI-STATED"

# Assembler Assignments
# =====================
set_global_assignment -name AUTO_RESTART_CONFIGURATION OFF

# LogicLock Region Assignments
# ============================
set_global_assignment -name LOGICLOCK_INCREMENTAL_COMPILE_ASSIGNMENT OFF

# -------------------------------
# start CLOCK(HalfClock_settings)

	# Timing Assignments
	# ==================
set_global_assignment -name DUTY_CYCLE 50 -section_id HalfClock_settings
set_global_assignment -name FMAX_REQUIREMENT "33 MHz" -section_id HalfClock_settings

# end CLOCK(HalfClock_settings)
# -----------------------------

# ----------------------------------
# start CLOCK(QuarterClock_settings)

	# Timing Assignments
	# ==================
set_global_assignment -name DUTY_CYCLE 50 -section_id QuarterClock_settings
set_global_assignment -name FMAX_REQUIREMENT "16.5 MHz" -section_id QuarterClock_settings

# end CLOCK(QuarterClock_settings)
# --------------------------------

# --------------------------
# start ENTITY(USBRefDesign)

	# Timing Assignments
	# ==================
set_instance_assignment -name CLOCK_SETTINGS HalfClock_settings -to "DivideClock:inst5|HalfClock"
set_instance_assignment -name CLOCK_SETTINGS QuarterClock_settings -to "DivideClock:inst5|QuarterClock"

	# Analysis & Synthesis Assignments
	# ================================
set_instance_assignment -name POWER_UP_LEVEL HIGH -to "SRAMInterface:inst36|SRAMce_n"
set_instance_assignment -name POWER_UP_LEVEL HIGH -to "SRAMInterface:inst36|SRAMwe_n"

# end ENTITY(USBRefDesign)
# ------------------------

set_global_assignment -name VERILOG_FILE USBRefDesign.v
set_location_assignment PIN_132 -to USB_DATA[0]
set_location_assignment PIN_133 -to USB_DATA[1]
set_location_assignment PIN_134 -to USB_DATA[2]
set_location_assignment PIN_137 -to USB_DATA[3]
set_location_assignment PIN_138 -to USB_DATA[4]
set_location_assignment PIN_139 -to USB_DATA[5]
set_location_assignment PIN_140 -to USB_DATA[6]
set_location_assignment PIN_141 -to USB_DATA[7]
set_location_assignment PIN_2 -to USB_SI
set_location_assignment PIN_18 -to sclk
set_global_assignment -name RESERVE_ALL_UNUSED_PINS_NO_OUTPUT_GND "AS INPUT TRI-STATED"
set_location_assignment PIN_122 -to LED[0]
set_location_assignment PIN_123 -to LED[1]
set_location_assignment PIN_124 -to LED[2]
set_location_assignment PIN_125 -to LED[3]
set_location_assignment PIN_127 -to LED[4]
set_location_assignment PIN_129 -to LED[5]
set_location_assignment PIN_130 -to LED[6]
set_location_assignment PIN_131 -to LED[7]
set_location_assignment PIN_142 -to USB_RD
set_location_assignment PIN_1 -to USB_RXE