文件名称:fre_counter
介绍说明－－下载内容均来自于网络，请自行研究使用
基于FPGA的频率计，超简洁，再测fx=10 KHz的方波时，得到的频率是9.995 KHz ，误差为0.05-Frequency Meter based on FPGA
(系统自动生成,下载前可以参看下载内容)
下载文件列表
fre_counter\.lso
...........\counter.vhd
...........\div.vhd
...........\fre_counter.bgn
...........\fre_counter.bit
...........\fre_counter.bld
...........\fre_counter.cmd_log
...........\fre_counter.drc
...........\fre_counter.ise
...........\fre_counter.ise_ISE_Backup
...........\fre_counter.lso
...........\fre_counter.ncd
...........\fre_counter.ngc
...........\fre_counter.ngd
...........\fre_counter.ngr
...........\fre_counter.ntrc_log
...........\fre_counter.pad
...........\fre_counter.par
...........\fre_counter.pcf
...........\fre_counter.prj
...........\fre_counter.stx
...........\fre_counter.syr
...........\fre_counter.twr
...........\fre_counter.twx
...........\fre_counter.ucf
...........\fre_counter.unroutes
...........\fre_counter.ut
...........\fre_counter.vhd
...........\fre_counter.xpi
...........\fre_counter.xst
...........\fre_counter_guide.ncd
...........\fre_counter_map.map
...........\fre_counter_map.mrp
...........\fre_counter_map.ncd
...........\fre_counter_map.ngm
...........\fre_counter_pad.csv
...........\fre_counter_pad.txt
...........\fre_counter_summary.html
...........\fre_counter_summary.xml
...........\fre_counter_usage.xml
...........\fre_counter_vhdl.prj
...........\latch.vhd
...........\netgen\synthesis\fre_counter_synthesis.nlf
...........\......\.........\fre_counter_synthesis.vhd
...........\tb.tbw
...........\xst\work\hdllib.ref
...........\...\....\hdpdeps.ref
...........\...\....\sub00\vhpl00.vho
...........\...\....\.....\vhpl01.vho
...........\...\....\.....\vhpl02.vho
...........\...\....\.....\vhpl03.vho
...........\...\....\.....\vhpl04.vho
...........\...\....\.....\vhpl05.vho
...........\...\....\.....\vhpl06.vho
...........\...\....\.....\vhpl07.vho
...........\_ngo\netlist.lst
...........\_pace.ucf
...........\.xmsgs\bitgen.xmsgs
...........\......\map.xmsgs
...........\......\netgen.xmsgs
...........\......\ngdbuild.xmsgs
...........\......\par.xmsgs
...........\......\trce.xmsgs
...........\......\xst.xmsgs
...........\xst\dump.xst\fre_counter.prj\ngx\notopt
...........\...\........\...............\...\opt
...........\...\........\...............\ngx
...........\...\........\fre_counter.prj
...........\...\work\sub00
...........\netgen\synthesis
...........\xst\dump.xst
...........\...\file graph
...........\...\projnav.tmp
...........\...\work
...........\netgen
...........\xst
...........\_ngo
...........\_xmsgs
fre_counter
...........\counter.vhd
...........\div.vhd
...........\fre_counter.bgn
...........\fre_counter.bit
...........\fre_counter.bld
...........\fre_counter.cmd_log
...........\fre_counter.drc
...........\fre_counter.ise
...........\fre_counter.ise_ISE_Backup
...........\fre_counter.lso
...........\fre_counter.ncd
...........\fre_counter.ngc
...........\fre_counter.ngd
...........\fre_counter.ngr
...........\fre_counter.ntrc_log
...........\fre_counter.pad
...........\fre_counter.par
...........\fre_counter.pcf
...........\fre_counter.prj
...........\fre_counter.stx
...........\fre_counter.syr
...........\fre_counter.twr
...........\fre_counter.twx
...........\fre_counter.ucf
...........\fre_counter.unroutes
...........\fre_counter.ut
...........\fre_counter.vhd
...........\fre_counter.xpi
...........\fre_counter.xst
...........\fre_counter_guide.ncd
...........\fre_counter_map.map
...........\fre_counter_map.mrp
...........\fre_counter_map.ncd
...........\fre_counter_map.ngm
...........\fre_counter_pad.csv
...........\fre_counter_pad.txt
...........\fre_counter_summary.html
...........\fre_counter_summary.xml
...........\fre_counter_usage.xml
...........\fre_counter_vhdl.prj
...........\latch.vhd
...........\netgen\synthesis\fre_counter_synthesis.nlf
...........\......\.........\fre_counter_synthesis.vhd
...........\tb.tbw
...........\xst\work\hdllib.ref
...........\...\....\hdpdeps.ref
...........\...\....\sub00\vhpl00.vho
...........\...\....\.....\vhpl01.vho
...........\...\....\.....\vhpl02.vho
...........\...\....\.....\vhpl03.vho
...........\...\....\.....\vhpl04.vho
...........\...\....\.....\vhpl05.vho
...........\...\....\.....\vhpl06.vho
...........\...\....\.....\vhpl07.vho
...........\_ngo\netlist.lst
...........\_pace.ucf
...........\.xmsgs\bitgen.xmsgs
...........\......\map.xmsgs
...........\......\netgen.xmsgs
...........\......\ngdbuild.xmsgs
...........\......\par.xmsgs
...........\......\trce.xmsgs
...........\......\xst.xmsgs
...........\xst\dump.xst\fre_counter.prj\ngx\notopt
...........\...\........\...............\...\opt
...........\...\........\...............\ngx
...........\...\........\fre_counter.prj
...........\...\work\sub00
...........\netgen\synthesis
...........\xst\dump.xst
...........\...\file graph
...........\...\projnav.tmp
...........\...\work
...........\netgen
...........\xst
...........\_ngo
...........\_xmsgs
fre_counter