VHDL4*4键盘按键循环显示

上传者: danielsmike | 上传时间: 2021-09-19 10:07:21 | 文件大小: 199KB | 文件类型: RAR
1)输入设备为4*4矩阵键盘,分别代表0~F; 2)输出设备为四位数码显示管,初始值显示0000,当按下某一键时,最右边的一位数码显示管显示最新一次所按按键的数值,而之前的显示值左移,例如,第一次按‘1’键,则显示0001;第二次按‘3’键,则显示0013;第三次按‘5’键,则显示0135;第四次按‘7’键,则显示1357;第五次按‘9’键,则显示3579,第四次按‘F’键,则显示579F等等;

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style='color:#111;'> 5.65KB </span>","children":null,"spread":false},{"title":"prev_cmp_SCAN_LED.sim.qmsg <span style='color:#111;'> 3.15KB </span>","children":null,"spread":false},{"title":"wed.wsf <span style='color:#111;'> 10.78KB </span>","children":null,"spread":false},{"title":"SCAN_LED.rtlv.hdb <span style='color:#111;'> 7.80KB </span>","children":null,"spread":false},{"title":"SCAN_LED.cmp0.ddb <span style='color:#111;'> 5.25KB </span>","children":null,"spread":false},{"title":"SCAN_LED.sim.qmsg <span style='color:#111;'> 3.15KB </span>","children":null,"spread":false},{"title":"prev_cmp_SCAN_LED.asm.qmsg <span style='color:#111;'> 1.80KB </span>","children":null,"spread":false},{"title":"prev_cmp_SCAN_LED.map.qmsg <span style='color:#111;'> 6.18KB </span>","children":null,"spread":false},{"title":"SCAN_LED.fit.qmsg <span style='color:#111;'> 4.45KB </span>","children":null,"spread":false},{"title":"SCAN_LED.tis_db_list.ddb <span style='color:#111;'> 174B </span>","children":null,"spread":false},{"title":"SCAN_LED.cmp.logdb <span style='color:#111;'> 4B </span>","children":null,"spread":false},{"title":"prev_cmp_SCAN_LED.fit.qmsg <span style='color:#111;'> 4.45KB </span>","children":null,"spread":false},{"title":"SCAN_LED.map.logdb <span style='color:#111;'> 4B </span>","children":null,"spread":false},{"title":"SCAN_LED.(0).cnf.cdb <span style='color:#111;'> 8.78KB </span>","children":null,"spread":false},{"title":"SCAN_LED.cmp.hdb <span style='color:#111;'> 9.32KB </span>","children":null,"spread":false},{"title":"SCAN_LED.sim.rdb <span style='color:#111;'> 3.43KB </span>","children":null,"spread":false},{"title":"SCAN_LED.rtlv_sg.cdb <span style='color:#111;'> 8.09KB </span>","children":null,"spread":false},{"title":"SCAN_LED.sgdiff.cdb <span style='color:#111;'> 4.30KB </span>","children":null,"spread":false},{"title":"SCAN_LED.eds_overflow <span style='color:#111;'> 2B </span>","children":null,"spread":false},{"title":"SCAN_LED.pre_map.hdb <span style='color:#111;'> 7.82KB </span>","children":null,"spread":false},{"title":"prev_cmp_SCAN_LED.tan.qmsg <span style='color:#111;'> 40.11KB </span>","children":null,"spread":false},{"title":"SCAN_LED.sld_design_entry_dsc.sci <span style='color:#111;'> 154B </span>","children":null,"spread":false},{"title":"SCAN_LED.eco.cdb <span style='color:#111;'> 161B </span>","children":null,"spread":false},{"title":"SCAN_LED.cmp.rdb <span style='color:#111;'> 15.79KB </span>","children":null,"spread":false},{"title":"SCAN_LED.sld_design_entry.sci <span style='color:#111;'> 154B </span>","children":null,"spread":false},{"title":"SCAN_LED.sim.cvwf <span style='color:#111;'> 1.94KB </span>","children":null,"spread":false},{"title":"SCAN_LED.pss <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"SCAN_LED.map.hdb <span style='color:#111;'> 9.08KB </span>","children":null,"spread":false},{"title":"SCAN_LED.db_info <span style='color:#111;'> 137B </span>","children":null,"spread":false},{"title":"SCAN_LED.sgdiff.hdb <span style='color:#111;'> 7.98KB </span>","children":null,"spread":false},{"title":"SCAN_LED.psp <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"SCAN_LED.cmp.cdb <span style='color:#111;'> 18.28KB </span>","children":null,"spread":false},{"title":"SCAN_LED.syn_hier_info <span style='color:#111;'> 0B </span>","children":null,"spread":false},{"title":"SCAN_LED.asm.qmsg <span style='color:#111;'> 1.80KB </span>","children":null,"spread":false},{"title":"SCAN_LED.pre_map.cdb <span style='color:#111;'> 8.16KB </span>","children":null,"spread":false}],"spread":false},{"title":"SCAN_LED.sim.rpt <span style='color:#111;'> 18.56KB </span>","children":null,"spread":false},{"title":"SCAN_LED.tan.summary <span style='color:#111;'> 1.37KB </span>","children":null,"spread":false},{"title":"SCAN_LED.vwf <span style='color:#111;'> 17.56KB </span>","children":null,"spread":false},{"title":"SCAN_LED.sof <span style='color:#111;'> 19.12KB </span>","children":null,"spread":false},{"title":"SCAN_LED.pin <span style='color:#111;'> 18.09KB </span>","children":null,"spread":false},{"title":"SCAN_LED.flow.rpt <span style='color:#111;'> 4.42KB </span>","children":null,"spread":false},{"title":"SCAN_LED.txt <span style='color:#111;'> 2.73KB </span>","children":null,"spread":false},{"title":"SCAN_LED.qws <span style='color:#111;'> 1.12KB </span>","children":null,"spread":false},{"title":"SCAN_LED.map.summary <span style='color:#111;'> 292B </span>","children":null,"spread":false},{"title":"SCAN_LED.qpf <span style='color:#111;'> 909B </span>","children":null,"spread":false},{"title":"SCAN_LED.asm.rpt <span style='color:#111;'> 8.15KB </span>","children":null,"spread":false},{"title":"SCAN_LED.fit.summary <span style='color:#111;'> 371B </span>","children":null,"spread":false},{"title":"SCAN_LED.pof <span style='color:#111;'> 207.14KB </span>","children":null,"spread":false}],"spread":false}],"spread":true}]

评论信息

  • daishu6092 :
    下载了,程序写的很不详细。
    2015-12-21
  • lang523493505 :
    挺不错的 值得学习~~~
    2015-09-05
  • inighty :
    很适合初学者学习,谢谢了!就是机器的引脚分配不一样 得找找
    2014-07-09

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