文件名称:scan_led
介绍说明－－下载内容均来自于网络，请自行研究使用
这是一个键盘扫描程序，对键盘进行行扫描以及列扫描，判断按下的键是哪个-This is a keyboard scanner, keyboard and column scanning line scan to determine which key is pressed
(系统自动生成,下载前可以参看下载内容)
下载文件列表
scan_led
........\clk_devider.vhd
........\impact.xsl
........\impact_impact.xwbt
........\ipcore_dir
........\iseconfig
........\.........\main.xreport
........\.........\scan_led.projectmgr
........\m.ipf
........\main.bgn
........\main.bit
........\main.bld
........\main.cmd_log
........\main.drc
........\main.lso
........\main.ncd
........\main.ngc
........\main.ngd
........\main.ngr
........\main.pad
........\main.par
........\main.pcf
........\main.prj
........\main.ptwx
........\main.stx
........\main.syr
........\main.twr
........\main.twx
........\main.ucf
........\main.unroutes
........\main.ut
........\main.vhd
........\main.xpi
........\main.xst
........\main_bitgen.xwbt
........\main_envsettings.html
........\main_guide.ncd
........\main_map.map
........\main_map.mrp
........\main_map.ncd
........\main_map.ngm
........\main_map.xrpt
........\main_ngdbuild.xrpt
........\main_pad.csv
........\main_pad.txt
........\main_par.xrpt
........\main_summary.html
........\main_summary.xml
........\main_usage.xml
........\main_vhdl.prj
........\main_xst.xrpt
........\m_xdb
........\.....\tmp
........\scan_led.gise
........\scan_led.xise
........\usage_statistics_webtalk.html
........\webtalk.log
........\webtalk_impact.xml
........\webtalk_pn.xml
........\xlnx_auto_0_xdb
........\...............\cst.xbcd
........\xst
........\...\dump.xst
........\...\........\main.prj
........\...\........\........\ngx
........\...\........\........\...\notopt
........\...\........\........\...\opt
........\...\file graph
........\...\projnav.tmp
........\...\work
........\...\....\hdllib.ref
........\...\....\hdpdeps.ref
........\...\....\sub00
........\...\....\.....\vhpl00.vho
........\...\....\.....\vhpl01.vho
........\...\....\.....\vhpl02.vho
........\...\....\.....\vhpl03.vho
........\_ngo
........\....\netlist.lst
........\_xmsgs
........\......\bitgen.xmsgs
........\......\map.xmsgs
........\......\ngdbuild.xmsgs
........\......\par.xmsgs
........\......\pn_parser.xmsgs
........\......\trce.xmsgs
........\......\xst.xmsgs