Vhdl based on a simple digital frequency meter design, have been debugging, can be directly used

system
......\chbcd.bsf
......\chbcd.vhd
......\choosebcd.bsf
......\choosebcd.vhd
......\clk_gen.bsf
......\clk_gen.vhd
......\controler.vhd.bak
......\creg.bsf
......\creg.vhd
......\db
......\..\add_sub_lkc.tdf
......\..\add_sub_mkc.tdf
......\..\altsyncram_nku.tdf
......\..\alt_u_div_07f.tdf
......\..\alt_u_div_26f.tdf
......\..\alt_u_div_47f.tdf
......\..\alt_u_div_57f.tdf
......\..\alt_u_div_u5f.tdf
......\..\lpm_divide_jup.tdf
......\..\lpm_divide_lup.tdf
......\..\lpm_divide_lvp.tdf
......\..\lpm_divide_nvp.tdf
......\..\lpm_divide_ovp.tdf
......\..\mult_7bn.tdf
......\..\mult_9cn.tdf
......\..\mult_iqp.tdf
......\..\mult_krp.tdf
......\..\mux_0oc.tdf
......\..\mux_5oc.tdf
......\..\mux_lpc.tdf
......\..\prev_cmp_system.asm.qmsg
......\..\prev_cmp_system.fit.qmsg
......\..\prev_cmp_system.map.qmsg
......\..\prev_cmp_system.qmsg
......\..\prev_cmp_system.sim.qmsg
......\..\prev_cmp_system.tan.qmsg
......\..\sign_div_unsign_enh.tdf
......\..\sign_div_unsign_gnh.tdf
......\..\sign_div_unsign_hnh.tdf
......\..\system.cbx.xml
......\..\system.cmp.rdb
......\..\system.db_info
......\..\system.eco.cdb
......\..\system.hier_info
......\..\system.hif
......\..\system.lpc.html
......\..\system.lpc.rdb
......\..\system.lpc.txt
......\..\system.map.qmsg
......\..\system.pre_map.cdb
......\..\system.pre_map.hdb
......\..\system.rtlv.hdb
......\..\system.rtlv_sg.cdb
......\..\system.rtlv_sg_swap.cdb
......\..\system.sim.cvwf
......\..\system.sld_design_entry.sci
......\..\system0.rtl.mif
......\..\wed.wsf
......\div2.bsf
......\div2.vhd
......\div32.bsf
......\div32.vhd
......\frecount.bsf
......\frecount.vhd
......\frecount.vhd.bak
......\HEX2BCD.bsf
......\HEX2BCD.vhd
......\HEX2BCD16.bsf
......\HEX2BCD16.vhd
......\inchoose.bsf
......\inchoose.vhd
......\incremental_db
......\..............\compiled_partitions
......\..............\README
......\keydecoder.bsf
......\keydecoder.vhd
......\KEY_SCAN.bsf
......\key_scan.vhd
......\lcd.bsf
......\lcd.vhd
......\lcd.vhd.bak
......\mult10.bsf
......\mult10.vhd
......\mult16.bsf
......\mult16.vhd
......\mult32.bsf
......\mult32.vhd
......\system.asm.rpt
......\system.bdf
......\system.done
......\system.dpf
......\system.fit.rpt
......\system.fit.smsg
......\system.fit.summary
......\system.flow.rpt
......\system.map.rpt
......\system.map.summary
......\system.pin
......\system.pof

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