In the ISE environment, using VHDL language RS232 serial port design, serial communication. Through the serial debugging tool to 0000000UART Send a hexadecimal number, FPGA serial data received by the UART converted to parallel data, and 8 LED lights on the output display the same time, parallel data has been re-converted to serial data, re-sent to the RS-232 interface, and in Serial debugging tools on the show again, SW0 for the reset button. For example: serial debugging tool to send two 16 hexadecimal number, and then can be displayed on the LED, and re-debugging in the serial port With a display. Serial debugging tool settings: baud rate is set to 9600, the default odd parity.

URAT\datacntrl.bgn
....\datacntrl.bit
....\DataCntrl.bld
....\DataCntrl.cmd_log
....\datacntrl.drc
....\DataCntrl.lso
....\DataCntrl.ncd
....\DataCntrl.ngc
....\DataCntrl.ngd
....\DataCntrl.ngr
....\DataCntrl.pad
....\DataCntrl.par
....\DataCntrl.pcf
....\DataCntrl.prj
....\DataCntrl.ptwx
....\DataCntrl.stx
....\DataCntrl.syr
....\DataCntrl.twr
....\DataCntrl.twx
....\DataCntrl.unroutes
....\DataCntrl.ut
....\DataCntrl.vhd
....\DataCntrl.xpi
....\DataCntrl.xst
....\DataCntrl_guide.ncd
....\DataCntrl_map.map
....\DataCntrl_map.mrp
....\DataCntrl_map.ncd
....\DataCntrl_map.ngm
....\DataCntrl_map.xrpt
....\DataCntrl_ngdbuild.xrpt
....\DataCntrl_pad.csv
....\DataCntrl_pad.txt
....\DataCntrl_par.xrpt
....\DataCntrl_prev_built.ngd
....\DataCntrl_summary.html
....\DataCntrl_summary.xml
....\DataCntrl_usage.xml
....\DataCntrl_vhdl.prj
....\DataCntrl_xst.xrpt
....\device_usage_statistics.html
....\pepExtractor.prj
....\RS232RefComp.vhd
....\test.txt
....\uart.ise
....\uart.ntrc_log
....\uart.restore
....\UART.ucf
....\uart_xdb\cst.xbcd
....\........\tmp\ise\version
....\........\...\...\__OBJSTORE__\HierarchicalDesign\HDProject\HDProject
....\........\...\...\............\..................\.........\HDProject_StrTbl
....\........\...\...\............\..................\__stored_object_table__
....\........\...\...\............\PnAutoRun\Scripts\RunOnce_tcl
....\........\...\...\............\.........\.......\RunOnce_tcl_StrTbl
....\........\...\...\............\.rojectNavigator\dpm_project_main\dpm_project_main
....\........\...\...\............\................\................\dpm_project_main_StrTbl
....\........\...\...\............\................\__stored_objects__
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....\........\...\...\............\................Gui\GuiProjectData
....\........\...\...\............\...................\GuiProjectData_StrTbl
....\........\...\...\............\xreport\Gc_RvReportViewer-Current-Module
....\........\...\...\............\.......\Gc_RvReportViewer-Current-Module_StrTbl
....\........\...\...\............\.......\Gc_RvReportViewer-Module-Data-DataCntrl
....\........\...\...\............\.......\Gc_RvReportViewer-Module-Data-DataCntrl_StrTbl
....\........\...\...\............\.......\Gc_RvReportViewer-Module-DataFactory-Default
....\........\...\...\............\.......\Gc_RvReportViewer-Module-DataFactory-Default_StrTbl
....\........\...\...\..REGISTRY__\Autonym\regkeys
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....\........\...\...\............\.pldfit\regkeys
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....\........\...\...\............\...build\regkeys
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....\........\...\...\............\par\regkeys
....\........\...\...\............\ProjectNavigator\regkeys
....\........\...\...\............\................Gui\regkeys
....\........\...\...\............\.......SeedData\ProcessProperties\regkeys
....\........\...\...\............\...............\...jectProperties\regkeys
....\........\...\...\............\...............\regkeys
....\........\...\...\............\...............\UserLibraries\regkeys
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