USB2.0 IP core development. Code can be directly used has already been verified.

USB_Opencores
.............\com-1600_002f
.............\.............\bin
.............\.............\...\com1600.bit
.............\.............\...\COM1600.par
.............\.............\...\COM1600.twr
.............\.............\...\com1600_002.mcs
.............\.............\...\COM1600_map.mrp
.............\.............\...\com5401.ngc
.............\.............\...\DDR2_SDRAM_CONTROLLER.ngc
.............\.............\...\USB20.ngc
.............\.............\COM1600.bld
.............\.............\COM1600.cmd_log
.............\.............\COM1600.lso
.............\.............\COM1600.ncd
.............\.............\COM1600.ngc
.............\.............\COM1600.ngd
.............\.............\COM1600.ngr
.............\.............\COM1600.pad
.............\.............\COM1600.par
.............\.............\COM1600.pcf
.............\.............\COM1600.prj
.............\.............\COM1600.ptwx
.............\.............\COM1600.spl
.............\.............\COM1600.stx
.............\.............\COM1600.sym
.............\.............\COM1600.syr
.............\.............\COM1600.twr
.............\.............\COM1600.twx
.............\.............\COM1600.unroutes
.............\.............\COM1600.xpi
.............\.............\COM1600.xst
.............\.............\COM16001.nlf
.............\.............\COM16001.vhd
.............\.............\COM1600_envsettings.html
.............\.............\COM1600_guide.ncd
.............\.............\com1600_ise114.xise
.............\.............\com1600_ise122.gise
.............\.............\com1600_ise122.xise
.............\.............\com1600_ise131.xise
.............\.............\COM1600_map.map
.............\.............\COM1600_map.mrp
.............\.............\COM1600_map.ncd
.............\.............\COM1600_map.ngm
.............\.............\COM1600_map.psr
.............\.............\COM1600_map.xrpt
.............\.............\COM1600_ngdbuild.xrpt
.............\.............\COM1600_pad.csv
.............\.............\COM1600_pad.txt
.............\.............\COM1600_par.xrpt
.............\.............\COM1600_Sch.cmd_log
.............\.............\COM1600_Sch.jhd
.............\.............\COM1600_Sch.lso
.............\.............\COM1600_Sch.prj
.............\.............\COM1600_Sch.sch
.............\.............\COM1600_Sch.syr
.............\.............\COM1600_Sch.vhf
.............\.............\COM1600_Sch.xst
.............\.............\COM1600_Sch_envsettings.html
.............\.............\COM1600_Sch_summary.html
.............\.............\COM1600_Sch_xst.xrpt
.............\.............\COM1600_summary.html
.............\.............\COM1600_summary.xml
.............\.............\COM1600_usage.xml
.............\.............\COM1600_xst.xrpt
.............\.............\iseconfig
.............\.............\.........\COM1600.xreport
.............\.............\.........\com1600_ise122.projectmgr
.............\.............\.........\COM1600_Sch.xreport
.............\.............\par_usage_statistics.html
.............\.............\pepExtractor.prj
.............\.............\sch2HdlBatchFile
.............\.............\sim
.............\.............\...\tbcom1600.vhd
.............\.............\src
.............\.............\...\CLKGEN_DCM.vhd
.............\.............\...\CLKGEN_PLL.vhd
.............\.............\...\com1600.ucf
.............\.............\...\com1600.vhd
.............\.............\...\com1600.xds
.............\.............\...\COM2001
.............\.............\...\.......\com2001test.vhd
.............\.............\...\.......\NCO32.vhd
.............\.............\...\.......\signed_sin_cos_tbl2.vhd
.............\.............\...\COM3504
.............\.............\...\.......\AD7276_ADC_DRIVER.vhd
.............\.............\...\.......\AD9627_ADC_DRIVER.vhd
.............\.............\...\.......\AD9747_DAC_DRIVER.vhd
.............\.............\...\.......\CLKDOUBLER_DCM.vhd
.............\.............\...\.......\com3504test.vhd
.............\.............

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