VHDL实现的数字频率计

VHDL实现的数字频率计，带QUARTUS工程文件，仿真通过，另外可以测试脉宽和占空比

 属性            大小     日期    时间   名称
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     文件       7140  2009-04-21 17:36  ETESTER\db\add_sub_0nh.tdf

     文件       7023  2009-04-22 10:26  ETESTER\db\etester.（0）.cnf.cdb

     文件       1344  2009-04-22 10:26  ETESTER\db\etester.（0）.cnf.hdb

     文件       2182  2009-05-26 16:51  ETESTER\db\etester.asm.qmsg

     文件       2277  2009-05-26 16:51  ETESTER\db\etester.asm_labs.ddb

     文件        279  2009-05-28 09:02  ETESTER\db\etester.cbx.xml

     文件      28733  2009-05-26 16:51  ETESTER\db\etester.cmp.cdb

     文件      11077  2009-05-26 16:51  ETESTER\db\etester.cmp.hdb

     文件        338  2009-05-26 16:51  ETESTER\db\etester.cmp.kpt

     文件          4  2009-05-26 16:51  ETESTER\db\etester.cmp.logdb

     文件      19569  2009-05-26 16:51  ETESTER\db\etester.cmp.rdb

     文件      29871  2009-05-26 16:51  ETESTER\db\etester.cmp.tdb

     文件      51692  2009-05-26 16:51  ETESTER\db\etester.cmp0.ddb

     文件        137  2009-04-21 17:27  ETESTER\db\etester.db_info

     文件        161  2009-05-28 09:02  ETESTER\db\etester.eco.cdb

     文件          4  2009-05-28 09:02  ETESTER\db\etester.eds_overflow

     文件      28226  2009-05-26 16:51  ETESTER\db\etester.fit.qmsg

     文件       7597  2009-05-28 09:02  ETESTER\db\etester.fnsim.cdb

     文件      19719  2009-05-28 09:02  ETESTER\db\etester.fnsim.hdb

     文件       9273  2009-05-28 09:02  ETESTER\db\etester.fnsim.qmsg

     文件       3749  2009-05-28 09:02  ETESTER\db\etester.hier_info

     文件        774  2009-05-26 16:51  ETESTER\db\etester.hif

     文件       8564  2009-05-26 16:51  ETESTER\db\etester.map.cdb

     文件       9899  2009-05-26 16:51  ETESTER\db\etester.map.hdb

     文件          4  2009-05-26 16:51  ETESTER\db\etester.map.logdb

     文件       3855  2009-05-26 16:51  ETESTER\db\etester.map.qmsg

     文件       4937  2009-05-26 16:51  ETESTER\db\etester.pre_map.cdb

     文件       7943  2009-05-26 16:51  ETESTER\db\etester.pre_map.hdb

     文件       1809  2009-05-26 16:27  ETESTER\db\etester.rpp.qmsg

     文件       7931  2009-05-26 16:51  ETESTER\db\etester.rtlv.hdb

............此处省略52个文件信息