ds1307.qsf

通过IIC总线读写实时时钟DS1307

# Copyright (C) 1991-2007 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 from 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
#		DS1307_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 EP2C8Q208C8
set_global_assignment -name TOP_LEVEL_ENTITY DS1307
set_global_assignment -name ORIGINAL_QUARTUS_VERSION 7.2
set_global_assignment -name PROJECT_CREATION_TIME_DATE "11:06:42  MAY 24, 2008"
set_global_assignment -name LAST_QUARTUS_VERSION 8.0
set_global_assignment -name USE_GENERATED_PHYSICAL_CONSTRAINTS OFF -section_id eda_palace
set_global_assignment -name DEVICE_FILTER_PACKAGE PQFP
set_global_assignment -name DEVICE_FILTER_PIN_COUNT 208
set_global_assignment -name DEVICE_FILTER_SPEED_GRADE 8
set_global_assignment -name VHDL_FILE DS1307.vhd
set_instance_assignment -name PARTITION_HIERARCHY root_partition -to | -section_id Top
set_global_assignment -name PARTITION_NETLIST_TYPE SOURCE -section_id Top
set_global_assignment -name PARTITION_COLOR 2147039 -section_id Top
set_global_assignment -name LL_ROOT_REGION ON -section_id "Root Region"
set_global_assignment -name LL_MEMBER_STATE LOCKED -section_id "Root Region"
set_global_assignment -name STRATIX_CONFIGURATION_DEVICE EPCS4
set_global_assignment -name RESERVE_ALL_UNUSED_PINS "AS INPUT TRI-STATED"
set_global_assignment -name STRATIX_DEVICE_IO_STANDARD "3.3-V LVTTL"
set_global_assignment -name CYCLONEII_RESERVE_NCEO_AFTER_CONFIGURATION "USE AS REGULAR IO"
set_global_assignment -name RESERVE_ASDO_AFTER_CONFIGURATION "AS INPUT TRI-STATED"

set_location_assignment PIN_175 -to scl
set_location_assignment PIN_173 -to sda
set_location_assignment PIN_23 -to clk
set_location_assignment PIN_102 -to cnt_inc_n
set_location_assignment PIN_131 -to rd_input_n
set_location_assignment PIN_132 -to rst_n
set_location_assignment PIN_130 -to wr_input_n
set_location_assignment PIN_191 -to SEGOUT1[7]
set_location_assignment PIN_193 -to SEGOUT1[6]
set_location_assignment PIN_192 -to SEGOUT1[5]
set_location_assignment PIN_195 -to SEGOUT1[4]
set_location_assignment PIN_200 -to SEGOUT1[3]
set_location_assignment PIN_208 -to SEGOUT1[2]
set_location_assignment PIN_206 -to SEGOUT1[1]
set_location_assignment PIN_203 -to SEGOUT1[0]
set_location_assignment PIN_181 -to SEGOUT2[7]
set_location_assignment PIN_176 -to SEGOUT2[6]
set_location_assignment PIN_179 -to SEGOUT2[5]
set_location_assignment PIN_180 -to SEGOUT2[4]
set_location_assignment PIN_187 -to SEGOUT2[3]
set_location_assignment PIN_188 -to SEGOUT2[2]
set_location_assignment PIN_185 -to SEGOUT2[1]
set_location_assignment PIN_189 -to SEGOUT2[0]

set_global_assignment -name RESERVE_ALL_UNUSED_PINS_NO_OUTPUT_GND "AS INPUT TRI-STATED"