基于FPGA的DDS

代码说明：

  基于FPGA的DDS。可以产生三种波形：正弦，方波，三角波。频率分辨率0.012Hz。频率从0至25MHz任意可调。(FPGA-based DDS. Can produce three waveforms: sine, square, triangle wave. Frequency resolution 0.012Hz. Frequency is adjustable from 0 to 25MHz.)

文件列表：

dds_again
.........\data_latch.bsf,2020,2013-07-20
.........\data_latch.inc,875,2013-07-20
.........\data_latch.qip,372,2013-07-20
.........\data_latch.vhd,3538,2013-07-20
.........\Data_Trans.bsf,2204,2013-07-20
.........\Data_Trans.vhd,1040,2013-07-20
.........\db
.........\..\add_sub_hjj.tdf,1688,2013-07-20
.........\..\altsyncram_0hq1.tdf,47574,2013-07-20
.........\..\altsyncram_1ss3.tdf,3578,2013-07-21
.........\..\altsyncram_dss3.tdf,3603,2013-07-21
.........\..\altsyncram_ggq1.tdf,17257,2013-07-21
.........\..\altsyncram_hss3.tdf,3605,2013-07-20
.........\..\altsyncram_m971.tdf,8861,2013-07-20
.........\..\altsyncram_r971.tdf,8861,2013-07-20
.........\..\altsyncram_sgq1.tdf,45242,2013-07-21
.........\..\altsyncram_tj71.tdf,8888,2013-07-20
.........\..\cmpr_5cc.tdf,1681,2013-07-20
.........\..\cmpr_8cc.tdf,1913,2013-07-21
.........\..\cmpr_9cc.tdf,2003,2013-07-20
.........\..\cmpr_acc.tdf,2073,2013-07-20
.........\..\cntr_0ci.tdf,4131,2013-07-21
.........\..\cntr_2ci.tdf,4131,2013-07-20
.........\..\cntr_gui.tdf,3436,2013-07-20
.........\..\cntr_obi.tdf,3871,2013-07-21
.........\..\cntr_sbi.tdf,4001,2013-07-20
.........\..\cntr_u4j.tdf,4233,2013-07-20
.........\..\dds.asm.qmsg,2178,2013-07-21
.........\..\dds.asm.rdb,1416,2013-07-21
.........\..\dds.asm_labs.ddb,5882,2013-07-21
.........\..\dds.cbx.xml,582,2013-07-21
.........\..\dds.cmp.bpm,678,2013-07-21
.........\..\dds.cmp.cdb,26953,2013-07-21
.........\..\dds.cmp.ecobp,28,2013-07-21
.........\..\dds.cmp.hdb,17216,2013-07-21
.........\..\dds.cmp.kpt,194,2013-07-21
.........\..\dds.cmp.logdb,4,2013-07-21
.........\..\dds.cmp.rdb,27458,2013-07-21
.........\..\dds.cmp.tdb,37698,2013-07-21
.........\..\dds.cmp0.ddb,112940,2013-07-21
.........\..\dds.cmp2.ddb,46325,2013-07-21
.........\..\dds.cmp_merge.kpt,198,2013-07-21
.........\..\dds.db_info,137,2013-07-20
.........\..\dds.eco.cdb,161,2013-07-21
.........\..\dds.eds_overflow,5,2013-07-20
.........\..\dds.fit.qmsg,53778,2013-07-21
.........\..\dds.hier_info,47692,2013-07-21
.........\..\dds.hif,126561,2013-07-21
.........\..\dds.lpc.html,4795,2013-07-21
.........\..\dds.lpc.rdb,605,2013-07-21
.........\..\dds.lpc.txt,4165,2013-07-21
.........\..\dds.map.bpm,661,2013-07-21
.........\..\dds.map.cdb,7639,2013-07-21
.........\..\dds.map.ecobp,28,2013-07-21
.........\..\dds.map.hdb,16583,2013-07-21
.........\..\dds.map.kpt,2097,2013-07-21
.........\..\dds.map.logdb,4,2013-07-21
.........\..\dds.map.qmsg,29491,2013-07-21
.........\..\dds.map_bb.cdb,932,2013-07-21
.........\..\dds.map_bb.hdb,11957,2013-07-21
.........\..\dds.map_bb.logdb,4,2013-07-21
.........\..\dds.pre_map.cdb,12131,2013-07-21
.........\..\dds.pre_map.hdb,24698,2013-07-21
.........\..\dds.rpp.qmsg,1803,2013-07-21
.........\..\dds.rtlv.hdb,24648,2013-07-21
.........\..\dds.rtlv_sg.cdb,18779,2013-07-21
.........\..\dds.rtlv_sg_swap.cdb,4750,2013-07-21
.........\..\dds.sgate.rvd,22218,2013-07-21
.........\..\dds.sgate_sm.rvd,212,2013-07-21
.........\..\dds.sgdiff.cdb,7104,2013-07-21
.........\..\dds.sgdiff.hdb,20768,2013-07-21
.........\..\dds.sim.cvwf,1789,2013-07-20
.........\..\dds.sim.hdb,4284,2013-07-20
.........\..\dds.sim.qmsg,4103,2013-07-20
.........\..\dds.sld_design_entry.sci,200,2013-07-21
.........\..\dds.sld_design_entry_dsc.sci,200,2013-07-21
.........\..\dds.smart_action.txt,6,2013-07-21
.........\..\dds.syn_hier_info,0,2013-07-21
.........\..\dds.tan.qmsg,105702,2013-07-21
.........\..\dds.tis_db_list.ddb,174,2013-07-21
.........\..\dds.tmw_info,304,2013-07-21
.........\..\decode_rqf.tdf,1562,2013-07-20
.........\..\logic_util_heursitic.dat,9548,2013-07-21
.........\..\mux_9oc.tdf,4722,2013-07-20
.........\..\prev_cmp_dds.asm.qmsg,2178,2013-07-21
.........\..\prev_cmp_dds.fit.qmsg,72002,2013-07-21
.........\..\prev_cmp_dds.map.qmsg,35624,2013-07-21
.........\..\prev_cmp_dds.qmsg,240159,2013-07-21
.........\..\prev_cmp_dds.sim.qmsg,9218,2013-07-20
.........\..\prev_cmp_dds.tan.qmsg,130123,2013-07-21
.........\..\wed.wsf,4501,2013-07-20
.........\dds.asm.rpt,7859,2013-07-21
.........\dds.bdf,23039,2013-07-21
.........\dds.cdf,364,2013-07-21
.........\dds.done,26,2013-07-21
.........\dds.dpf,239,2013-07-21
.........\dds.fit.rpt,114097,2013-07-21
.........\dds.fit.smsg,513,2013-07-21
.........\dds.fit.summary,589,2013-07-21