This design is the realization of simple electronic piano. Using EDA as a development tool, VHDL language for the hardware description language, II quartus as a program running platform, the development of the program through the debugger running, waveform simulation, to achieve the design objectives. This procedure uses the hardware description language VHDL, can greatly reduce the hardware digital system design entry level. Using NC divider design a keyboard hardware circuit, keyboard input through the loudspeaker sound of different frequencies.

电子琴eda
.........\Block1.bdf
.........\EDA实验报告.docx
.........\b1.PNG
.........\b2.PNG
.........\block.PNG
.........\block1.vwf
.........\db
.........\..\keyboard.asm.qmsg
.........\..\keyboard.cbx.xml
.........\..\keyboard.cmp.bpm
.........\..\keyboard.cmp.cdb
.........\..\keyboard.cmp.ecobp
.........\..\keyboard.cmp.hdb
.........\..\keyboard.cmp.kpt
.........\..\keyboard.cmp.logdb
.........\..\keyboard.cmp.rdb
.........\..\keyboard.cmp_merge.kpt
.........\..\keyboard.cuda_io_sim_cache.31um_ff_1200mv_0c_fast.hsd
.........\..\keyboard.cuda_io_sim_cache.31um_tt_1200mv_85c_slow.hsd
.........\..\keyboard.db_info
.........\..\keyboard.eco.cdb
.........\..\keyboard.eds_overflow
.........\..\keyboard.fit.qmsg
.........\..\keyboard.fnsim.hdb
.........\..\keyboard.fnsim.qmsg
.........\..\keyboard.hier_info
.........\..\keyboard.hif
.........\..\keyboard.lpc.html
.........\..\keyboard.lpc.rdb
.........\..\keyboard.lpc.txt
.........\..\keyboard.map.bpm
.........\..\keyboard.map.cdb
.........\..\keyboard.map.ecobp
.........\..\keyboard.map.hdb
.........\..\keyboard.map.kpt
.........\..\keyboard.map.logdb
.........\..\keyboard.map.qmsg
.........\..\keyboard.map_bb.cdb
.........\..\keyboard.map_bb.hdb
.........\..\keyboard.map_bb.logdb
.........\..\keyboard.pre_map.cdb
.........\..\keyboard.pre_map.hdb
.........\..\keyboard.rtlv.hdb
.........\..\keyboard.rtlv_sg.cdb
.........\..\keyboard.rtlv_sg_swap.cdb
.........\..\keyboard.sgdiff.cdb
.........\..\keyboard.sgdiff.hdb
.........\..\keyboard.sim.cvwf
.........\..\keyboard.sim.hdb
.........\..\keyboard.sim.qmsg
.........\..\keyboard.sim.rdb
.........\..\keyboard.sld_design_entry.sci
.........\..\keyboard.sld_design_entry_dsc.sci
.........\..\keyboard.sta.qmsg
.........\..\keyboard.sta.rdb
.........\..\keyboard.sta_cmp.6_slow_1200mv_85c.tdb
.........\..\keyboard.syn_hier_info
.........\..\keyboard.tis_db_list.ddb
.........\..\keyboard.tiscmp.fast_1200mv_0c.ddb
.........\..\keyboard.tiscmp.slow_1200mv_0c.ddb
.........\..\keyboard.tiscmp.slow_1200mv_85c.ddb
.........\..\keyboard.tmw_info
.........\..\keyboard_global_asgn_op.abo
.........\..\mux_cqc.tdf
.........\..\mux_mtc.tdf
.........\..\prev_cmp_keyboard.asm.qmsg
.........\..\prev_cmp_keyboard.fit.qmsg
.........\..\prev_cmp_keyboard.map.qmsg
.........\..\prev_cmp_keyboard.qmsg
.........\..\prev_cmp_keyboard.sim.qmsg
.........\..\prev_cmp_keyboard.sta.qmsg
.........\..\wed.wsf
.........\incremental_db
.........\..............\README
.........\..............\compiled_partitions
.........\..............\...................\keyboard.root_partition.cmp.atm
.........\..............\...................\keyboard.root_partition.cmp.dfp
.........\..............\...................\keyboard.root_partition.cmp.hdbx
.........\..............\...................\keyboard.root_partition.cmp.kpt
.........\..............\...................\keyboard.root_partition.cmp.logdb
.........\..............\...................\keyboard.root_partition.cmp.rcf
.........\..............\...................\keyboard.root_partition.map.atm
.........\..............\...................\keyboard.root_partition.map.dpi
.........\..............\...................\keyboard.root_partition.map.hdbx
.........\..............\...................\keyboard.root_partition.map.kpt
.........\k1.PNG
.........\keyboard.asm.rpt
.........\keyboard.bsf
.........\keyboard.done
.........\keyboard.dpf
.........\keyboard.fit.rpt
.........\keyboard.fit.smsg
.........\keyboard.fit.summary
.........\keyboard.flow.rpt
.........\keyboard.map.rpt
.........\keyboard.map.summary
.........\keyboard.pin
.........\keyboard.qpf
.........\keyboard.qsf

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