(1) the input clock frequency division, get 190Hz and 25Hz clock signal, provided to other modules as the time Clock input (2) keyboard scan module: receive the keyboard input PS2C and PS2D, and get the keyboard scan code xkey (15: 0) (3) digital display circuit: the keyboard scan module output scan code displayed in the seven digital tube.

PS2键盘控制\.lso
...........\device_usage_statistics.html
...........\disp.prj
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...........\disp.vhd
...........\disp.xst
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...........\divclk_xst.xrpt
...........\keyboard.ise
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...........\........_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__
...........\............\...\...\............\................\__stored_objects___StrTbl
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...........\............\...\...\............\................Gui\GuiProjectData
...........\............\...\...\............\...................\GuiProjectData_StrTbl
...........\............\...\...\............\xreport\Gc_RvReportViewer-Current-Module
...........\............\...\...\............\.......\Gc_RvReportViewer-Current-Module_StrTbl
...........\............\...\...\............\.......\Gc_RvReportViewer-Module-Data-top
...........\............\...\...\............\.......\Gc_RvReportViewer-Module-Data-top_StrTbl
...........\............\...\...\............\.......\Gc_RvReportViewer-Module-DataFactory-Default
...........\............\...\...\............\.......\Gc_RvReportViewer-Module-DataFactory-Default_StrTbl
...........\............\...\...\..REGISTRY__\Autonym\regkeys
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...........\............\...\...\............\HierarchicalDesign\HDProject\regkeys
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...........\............\...\...\............\ProjectNavigator\regkeys
...........\............\...\...\............\................Gui\regkeys
...........\............\...\...\............\.......SeedData\ProcessProperties\regkeys
...........\............\...\...\............\...............\...jectProperties\regkeys
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