文件名称:key
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- 上传时间：2012-11-16
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文件大小：2.1mb
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Verilog HDL编写的键盘扫描程序，考虑了判断按键弹起的问题。程序按一定的频率用低电平循环扫描行线，同时检测列线的状态，一旦判断有一列为低则表示有键被按下，停止扫描并保持当前行线的状态，再读取列线的状态从而得到当前按键的键码；等待按键弹起：检测到各列线都变成高点平后，重新开始扫描过程，等待下一次按键。-Written in Verilog HDL keyboard scanner, taking into account to determine key bounce problem. Program according to a certain frequency of scan lines with low-level circulation lines, while testing out the state line, once the judge has said there is a classified as low-key is pressed, stop the scan and to maintain the current line-line state, and then read out line state to get the current keys key codes to wait for key pop-up: To detect the lines at all out into a high level after the re-start the scanning process, waiting for the next key.
相关搜索： verilog key
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下载文件列表
key/db/altsyncram_4to3.tdf
key/db/altsyncram_kto3.tdf
key/db/cntr_24i.tdf
key/db/cntr_cmi.tdf
key/db/cntr_o3i.tdf
key/db/cntr_q3i.tdf
key/db/cntr_spi.tdf
key/db/decode_9jf.tdf
key/db/decode_ogi.tdf
key/db/key.(0).cnf.cdb
key/db/key.(0).cnf.hdb
key/db/key.(1).cnf.cdb
key/db/key.(1).cnf.hdb
key/db/key.(10).cnf.cdb
key/db/key.(10).cnf.hdb
key/db/key.(11).cnf.cdb
key/db/key.(11).cnf.hdb
key/db/key.(12).cnf.cdb
key/db/key.(12).cnf.hdb
key/db/key.(13).cnf.cdb
key/db/key.(13).cnf.hdb
key/db/key.(14).cnf.cdb
key/db/key.(14).cnf.hdb
key/db/key.(15).cnf.cdb
key/db/key.(15).cnf.hdb
key/db/key.(16).cnf.cdb
key/db/key.(16).cnf.hdb
key/db/key.(17).cnf.cdb
key/db/key.(17).cnf.hdb
key/db/key.(18).cnf.cdb
key/db/key.(18).cnf.hdb
key/db/key.(19).cnf.cdb
key/db/key.(19).cnf.hdb
key/db/key.(2).cnf.cdb
key/db/key.(2).cnf.hdb
key/db/key.(20).cnf.cdb
key/db/key.(20).cnf.hdb
key/db/key.(21).cnf.cdb
key/db/key.(21).cnf.hdb
key/db/key.(22).cnf.cdb
key/db/key.(22).cnf.hdb
key/db/key.(23).cnf.cdb
key/db/key.(23).cnf.hdb
key/db/key.(24).cnf.cdb
key/db/key.(24).cnf.hdb
key/db/key.(25).cnf.cdb
key/db/key.(25).cnf.hdb
key/db/key.(26).cnf.cdb
key/db/key.(26).cnf.hdb
key/db/key.(27).cnf.cdb
key/db/key.(27).cnf.hdb
key/db/key.(28).cnf.cdb
key/db/key.(28).cnf.hdb
key/db/key.(29).cnf.cdb
key/db/key.(29).cnf.hdb
key/db/key.(3).cnf.cdb
key/db/key.(3).cnf.hdb
key/db/key.(30).cnf.cdb
key/db/key.(30).cnf.hdb
key/db/key.(31).cnf.cdb
key/db/key.(31).cnf.hdb
key/db/key.(32).cnf.cdb
key/db/key.(32).cnf.hdb
key/db/key.(33).cnf.cdb
key/db/key.(33).cnf.hdb
key/db/key.(34).cnf.cdb
key/db/key.(34).cnf.hdb
key/db/key.(35).cnf.cdb
key/db/key.(35).cnf.hdb
key/db/key.(36).cnf.cdb
key/db/key.(36).cnf.hdb
key/db/key.(37).cnf.cdb
key/db/key.(37).cnf.hdb
key/db/key.(38).cnf.cdb
key/db/key.(38).cnf.hdb
key/db/key.(39).cnf.cdb
key/db/key.(39).cnf.hdb
key/db/key.(4).cnf.cdb
key/db/key.(4).cnf.hdb
key/db/key.(40).cnf.cdb
key/db/key.(40).cnf.hdb
key/db/key.(41).cnf.cdb
key/db/key.(41).cnf.hdb
key/db/key.(42).cnf.cdb
key/db/key.(42).cnf.hdb
key/db/key.(43).cnf.cdb
key/db/key.(43).cnf.hdb
key/db/key.(44).cnf.cdb
key/db/key.(44).cnf.hdb
key/db/key.(45).cnf.cdb
key/db/key.(45).cnf.hdb
key/db/key.(46).cnf.cdb
key/db/key.(46).cnf.hdb
key/db/key.(47).cnf.cdb
key/db/key.(47).cnf.hdb
key/db/key.(48).cnf.cdb
key/db/key.(48).cnf.hdb
key/db/key.(49).cnf.cdb
key/db/key.(49).cnf.hdb
key/db/key.(5).cnf.cdb
key/db/key.(5).cnf.hdb
key/db/key.(50).cnf.cdb
key/db/key.(50).cnf.hdb
key/db/key.(51).cnf.cdb
key/db/key.(51).cnf.hdb
key/db/key.(52).cnf.cdb
key/db/key.(52).cnf.hdb
key/db/key.(53).cnf.cdb
key/db/key.(53).cnf.hdb
key/db/key.(54).cnf.cdb
key/db/key.(54).cnf.hdb
key/db/key.(6).cnf.cdb
key/db/key.(6).cnf.hdb
key/db/key.(7).cnf.cdb
key/db/key.(7).cnf.hdb
key/db/key.(8).cnf.cdb
key/db/key.(8).cnf.hdb
key/db/key.(9).cnf.cdb
key/db/key.(9).cnf.hdb
key/db/key.asm.qmsg
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.cmp.atm
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.cmp.logdb
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.map.atm
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.map.logdb
key/db/key.cbx.xml
key/db/key.cmp.bpm
key/db/key.cmp.cdb
key/db/key.cmp.ecobp
key/db/key.cmp.hdb
key/db/key.cmp.logdb
key/db/key.cmp.rdb
key/db/key.cmp.tdb
key/db/key.cmp0.ddb
key/db/key.cmp_bb.cdb
key/db/key.cmp_bb.hdb
key/db/key.cmp_bb.logdb
key/db/key.cmp_bb.rcf
key/db/key.dbp
key/db/key.db_info
key/db/key.eco.cdb
key/db/key.fit.qmsg
key/db/key.hier_info
key/db/key.hif
key/db/key.map.bpm
key/db/key.map.cdb
key/db/key.map.ecobp
key/db/key.map.hdb
key/db/key.map.logdb
key/db/key.map.qmsg
key/db/key.map_bb.cdb
key/db/key.map_bb.hdb
key/db/key.map_bb.logdb
key/db/key.pre_map.cdb
key/db/key.pre_map.hdb
key/db/key.psp
key/db/key.pss
key/db/key.rtlv.hdb
key/db/key.rtlv_sg.cdb
key/db/key.rtlv_sg_swap.cdb
key/db/key.sgdiff.cdb
key/db/key.sgdiff.hdb
key/db/key.signalprobe.cdb
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.cmp.atm
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.cmp.logdb
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.map.atm
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.map.logdb
key/db/key.sld_design_entry.sci
key/db/key.sld_design_entry_dsc.sci
key/db/key.smp_dump.txt
key/db/key.syn_hier_info
key/db/key.tan.qmsg
key/db/key.tis_db_list.ddb
key/db/mux_ogc.tdf
key/db/prev_cmp_key.asm.qmsg
key/db/prev_cmp_key.fit.qmsg
key/db/prev_cmp_key.map.qmsg
key/db/prev_cmp_key.qmsg
key/db/prev_cmp_key.tan.qmsg
key/key.asm.rpt
key/key.cdf
key/key.done
key/key.dpf
key/key.fit.rpt
key/key.fit.smsg
key/key.fit.summary
key/key.flow.rpt
key/key.jdi
key/key.map.rpt
key/key.map.smsg
key/key.map.summary
key/key.pin
key/key.pof
key/key.qpf
key/key.qsf
key/key.qws
key/key.sof
key/key.tan.rpt
key/key.tan.summary
key/key.v
key/key_assignment_defaults.qdf
key/prev_cmp_key.qmsg
key/stp1.stp
key/db
key
key/db/altsyncram_kto3.tdf
key/db/cntr_24i.tdf
key/db/cntr_cmi.tdf
key/db/cntr_o3i.tdf
key/db/cntr_q3i.tdf
key/db/cntr_spi.tdf
key/db/decode_9jf.tdf
key/db/decode_ogi.tdf
key/db/key.(0).cnf.cdb
key/db/key.(0).cnf.hdb
key/db/key.(1).cnf.cdb
key/db/key.(1).cnf.hdb
key/db/key.(10).cnf.cdb
key/db/key.(10).cnf.hdb
key/db/key.(11).cnf.cdb
key/db/key.(11).cnf.hdb
key/db/key.(12).cnf.cdb
key/db/key.(12).cnf.hdb
key/db/key.(13).cnf.cdb
key/db/key.(13).cnf.hdb
key/db/key.(14).cnf.cdb
key/db/key.(14).cnf.hdb
key/db/key.(15).cnf.cdb
key/db/key.(15).cnf.hdb
key/db/key.(16).cnf.cdb
key/db/key.(16).cnf.hdb
key/db/key.(17).cnf.cdb
key/db/key.(17).cnf.hdb
key/db/key.(18).cnf.cdb
key/db/key.(18).cnf.hdb
key/db/key.(19).cnf.cdb
key/db/key.(19).cnf.hdb
key/db/key.(2).cnf.cdb
key/db/key.(2).cnf.hdb
key/db/key.(20).cnf.cdb
key/db/key.(20).cnf.hdb
key/db/key.(21).cnf.cdb
key/db/key.(21).cnf.hdb
key/db/key.(22).cnf.cdb
key/db/key.(22).cnf.hdb
key/db/key.(23).cnf.cdb
key/db/key.(23).cnf.hdb
key/db/key.(24).cnf.cdb
key/db/key.(24).cnf.hdb
key/db/key.(25).cnf.cdb
key/db/key.(25).cnf.hdb
key/db/key.(26).cnf.cdb
key/db/key.(26).cnf.hdb
key/db/key.(27).cnf.cdb
key/db/key.(27).cnf.hdb
key/db/key.(28).cnf.cdb
key/db/key.(28).cnf.hdb
key/db/key.(29).cnf.cdb
key/db/key.(29).cnf.hdb
key/db/key.(3).cnf.cdb
key/db/key.(3).cnf.hdb
key/db/key.(30).cnf.cdb
key/db/key.(30).cnf.hdb
key/db/key.(31).cnf.cdb
key/db/key.(31).cnf.hdb
key/db/key.(32).cnf.cdb
key/db/key.(32).cnf.hdb
key/db/key.(33).cnf.cdb
key/db/key.(33).cnf.hdb
key/db/key.(34).cnf.cdb
key/db/key.(34).cnf.hdb
key/db/key.(35).cnf.cdb
key/db/key.(35).cnf.hdb
key/db/key.(36).cnf.cdb
key/db/key.(36).cnf.hdb
key/db/key.(37).cnf.cdb
key/db/key.(37).cnf.hdb
key/db/key.(38).cnf.cdb
key/db/key.(38).cnf.hdb
key/db/key.(39).cnf.cdb
key/db/key.(39).cnf.hdb
key/db/key.(4).cnf.cdb
key/db/key.(4).cnf.hdb
key/db/key.(40).cnf.cdb
key/db/key.(40).cnf.hdb
key/db/key.(41).cnf.cdb
key/db/key.(41).cnf.hdb
key/db/key.(42).cnf.cdb
key/db/key.(42).cnf.hdb
key/db/key.(43).cnf.cdb
key/db/key.(43).cnf.hdb
key/db/key.(44).cnf.cdb
key/db/key.(44).cnf.hdb
key/db/key.(45).cnf.cdb
key/db/key.(45).cnf.hdb
key/db/key.(46).cnf.cdb
key/db/key.(46).cnf.hdb
key/db/key.(47).cnf.cdb
key/db/key.(47).cnf.hdb
key/db/key.(48).cnf.cdb
key/db/key.(48).cnf.hdb
key/db/key.(49).cnf.cdb
key/db/key.(49).cnf.hdb
key/db/key.(5).cnf.cdb
key/db/key.(5).cnf.hdb
key/db/key.(50).cnf.cdb
key/db/key.(50).cnf.hdb
key/db/key.(51).cnf.cdb
key/db/key.(51).cnf.hdb
key/db/key.(52).cnf.cdb
key/db/key.(52).cnf.hdb
key/db/key.(53).cnf.cdb
key/db/key.(53).cnf.hdb
key/db/key.(54).cnf.cdb
key/db/key.(54).cnf.hdb
key/db/key.(6).cnf.cdb
key/db/key.(6).cnf.hdb
key/db/key.(7).cnf.cdb
key/db/key.(7).cnf.hdb
key/db/key.(8).cnf.cdb
key/db/key.(8).cnf.hdb
key/db/key.(9).cnf.cdb
key/db/key.(9).cnf.hdb
key/db/key.asm.qmsg
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.cmp.atm
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.cmp.logdb
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.map.atm
key/db/key.autos_3e92b2e5d298f5cf757a393f7655ccd81.map.logdb
key/db/key.cbx.xml
key/db/key.cmp.bpm
key/db/key.cmp.cdb
key/db/key.cmp.ecobp
key/db/key.cmp.hdb
key/db/key.cmp.logdb
key/db/key.cmp.rdb
key/db/key.cmp.tdb
key/db/key.cmp0.ddb
key/db/key.cmp_bb.cdb
key/db/key.cmp_bb.hdb
key/db/key.cmp_bb.logdb
key/db/key.cmp_bb.rcf
key/db/key.dbp
key/db/key.db_info
key/db/key.eco.cdb
key/db/key.fit.qmsg
key/db/key.hier_info
key/db/key.hif
key/db/key.map.bpm
key/db/key.map.cdb
key/db/key.map.ecobp
key/db/key.map.hdb
key/db/key.map.logdb
key/db/key.map.qmsg
key/db/key.map_bb.cdb
key/db/key.map_bb.hdb
key/db/key.map_bb.logdb
key/db/key.pre_map.cdb
key/db/key.pre_map.hdb
key/db/key.psp
key/db/key.pss
key/db/key.rtlv.hdb
key/db/key.rtlv_sg.cdb
key/db/key.rtlv_sg_swap.cdb
key/db/key.sgdiff.cdb
key/db/key.sgdiff.hdb
key/db/key.signalprobe.cdb
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.cmp.atm
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.cmp.logdb
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.map.atm
key/db/key.sldhu_30e344a040fd07e1533c49de5f2d67d1.map.logdb
key/db/key.sld_design_entry.sci
key/db/key.sld_design_entry_dsc.sci
key/db/key.smp_dump.txt
key/db/key.syn_hier_info
key/db/key.tan.qmsg
key/db/key.tis_db_list.ddb
key/db/mux_ogc.tdf
key/db/prev_cmp_key.asm.qmsg
key/db/prev_cmp_key.fit.qmsg
key/db/prev_cmp_key.map.qmsg
key/db/prev_cmp_key.qmsg
key/db/prev_cmp_key.tan.qmsg
key/key.asm.rpt
key/key.cdf
key/key.done
key/key.dpf
key/key.fit.rpt
key/key.fit.smsg
key/key.fit.summary
key/key.flow.rpt
key/key.jdi
key/key.map.rpt
key/key.map.smsg
key/key.map.summary
key/key.pin
key/key.pof
key/key.qpf
key/key.qsf
key/key.qws
key/key.sof
key/key.tan.rpt
key/key.tan.summary
key/key.v
key/key_assignment_defaults.qdf
key/prev_cmp_key.qmsg
key/stp1.stp
key/db
key
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