文件名称:key_scan
介绍说明－－下载内容均来自于网络，请自行研究使用
本代码实现按键扫描功能，采用VHDL语言描写。全部的实现过程都在此文件中实现。-The code to achieve the function button scanning, using VHDL language descr iption.Realization process are all in this file
(系统自动生成,下载前可以参看下载内容)
下载文件列表
key_scan
........\db
........\..\altsyncram_rkv.tdf
........\..\key_scan.asm.qmsg
........\..\key_scan.asm_labs.ddb
........\..\key_scan.cbx.xml
........\..\key_scan.cmp.bpm
........\..\key_scan.cmp.cdb
........\..\key_scan.cmp.ecobp
........\..\key_scan.cmp.hdb
........\..\key_scan.cmp.kpt
........\..\key_scan.cmp.logdb
........\..\key_scan.cmp.rdb
........\..\key_scan.cmp.tdb
........\..\key_scan.cmp0.ddb
........\..\key_scan.cmp2.ddb
........\..\key_scan.cmp_merge.kpt
........\..\key_scan.db_info
........\..\key_scan.eco.cdb
........\..\key_scan.fit.qmsg
........\..\key_scan.hier_info
........\..\key_scan.hif
........\..\key_scan.key_scan0.rtl.mif
........\..\key_scan.lpc.html
........\..\key_scan.lpc.rdb
........\..\key_scan.lpc.txt
........\..\key_scan.map.bpm
........\..\key_scan.map.cdb
........\..\key_scan.map.ecobp
........\..\key_scan.map.hdb
........\..\key_scan.map.kpt
........\..\key_scan.map.logdb
........\..\key_scan.map.qmsg
........\..\key_scan.map_bb.cdb
........\..\key_scan.map_bb.hdb
........\..\key_scan.map_bb.logdb
........\..\key_scan.pre_map.cdb
........\..\key_scan.pre_map.hdb
........\..\key_scan.rtlv.hdb
........\..\key_scan.rtlv_sg.cdb
........\..\key_scan.rtlv_sg_swap.cdb
........\..\key_scan.sgdiff.cdb
........\..\key_scan.sgdiff.hdb
........\..\key_scan.sld_design_entry.sci
........\..\key_scan.sld_design_entry_dsc.sci
........\..\key_scan.syn_hier_info
........\..\key_scan.tan.qmsg
........\..\key_scan.tis_db_list.ddb
........\..\key_scan_global_asgn_op.abo
........\..\prev_cmp_key_scan.asm.qmsg
........\..\prev_cmp_key_scan.fit.qmsg
........\..\prev_cmp_key_scan.map.qmsg
........\..\prev_cmp_key_scan.qmsg
........\..\prev_cmp_key_scan.tan.qmsg
........\incremental_db
........\..............\compiled_partitions
........\..............\...................\key_scan.root_partition.cmp.atm
........\..............\...................\key_scan.root_partition.cmp.dfp
........\..............\...................\key_scan.root_partition.cmp.hdbx
........\..............\...................\key_scan.root_partition.cmp.kpt
........\..............\...................\key_scan.root_partition.cmp.logdb
........\..............\...................\key_scan.root_partition.cmp.rcf
........\..............\...................\key_scan.root_partition.map.atm
........\..............\...................\key_scan.root_partition.map.dpi
........\..............\...................\key_scan.root_partition.map.hdbx
........\..............\...................\key_scan.root_partition.map.kpt
........\..............\README
........\key_s.bsf
........\key_s.vhd
........\key_s.vhd.bak
........\key_scan.asm.rpt
........\key_scan.bdf
........\key_scan.done
........\key_scan.dpf
........\key_scan.fit.rpt
........\key_scan.fit.smsg
........\key_scan.fit.summary
........\key_scan.flow.rpt
........\key_scan.map.rpt
........\key_scan.map.summary
........\key_scan.pin
........\key_scan.pof
........\key_scan.qpf
........\key_scan.qsf
........\key_scan.qws
........\key_scan.sof
........\key_scan.tan.rpt
........\key_scan.tan.summary
........\单片机控制键结构.doc