資源簡介
基本要求
1、能進行正常的時、分、秒、 0.99秒的計時功能,分別由8個數碼管顯示24小時、60分鐘、60秒鐘、0.99秒的計數器顯示。
2、能利用實驗系統上的按鍵實現“校時”“校分”功能:
⑴按下“SA”鍵時,計時器迅速遞增,并按24小時循環,計滿23小時后回“00”;
⑵按下“SB”鍵時,計分器迅速遞增,并按60分鐘循環,計滿59分鐘后回“00”,但不向“時”進位;
⑷要求按下“SA”、“SB”或“SC”時均不產生數字跳變(“SA”、“SB”、“SC”按鍵是有抖動的,必須對其消除抖動處理)。
3、能利用揚聲器做整點報時:
⑴當計時到達59分50秒時開始報時,在59分50秒、52秒、54秒、56秒、58秒鳴叫,鳴叫聲頻率可定為512Hz;
⑵到達59分60秒時為最后一聲整點報時,整點報時頻率可定為1024Hz。
4、用層次化設計方法設計該電路,用Verilog語言編寫各個功能模塊。
5、完成電路設計后,用實驗系統下載驗證。

代碼片段和文件信息
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-07-04?16:46??keshe\
?????文件????????6852??2019-07-05?17:09??keshe\clock.asm.rpt
?????文件??????????26??2019-07-05?17:12??keshe\clock.done
?????文件?????????239??2019-07-06?11:46??keshe\clock.dpf
?????文件????????8561??2019-07-05?17:11??keshe\clock.eda.rpt
?????文件??????147993??2019-07-05?17:09??keshe\clock.fit.rpt
?????文件?????????513??2019-07-05?17:09??keshe\clock.fit.smsg
?????文件?????????603??2019-07-05?17:09??keshe\clock.fit.summary
?????文件????????9638??2019-07-05?17:12??keshe\clock.flow.rpt
?????文件??????????21??2019-07-05?17:09??keshe\clock.jdi
?????文件???????46035??2019-07-05?17:12??keshe\clock.map.rpt
?????文件?????????127??2019-07-05?17:12??keshe\clock.map.smsg
?????文件?????????465??2019-07-05?17:12??keshe\clock.map.summary
?????文件???????20790??2019-07-05?17:09??keshe\clock.pin
?????文件????????1259??2019-06-24?20:16??keshe\clock.qpf
?????文件????????4678??2019-07-06?13:08??keshe\clock.qsf
?????文件?????????529??2019-07-06?13:08??keshe\clock.qws
?????文件??????358330??2019-07-05?17:09??keshe\clock.sof
?????文件??????113094??2019-07-05?17:09??keshe\clock.sta.rpt
?????文件????????1634??2019-07-05?17:09??keshe\clock.sta.summary
?????文件????????3749??2019-07-04?16:46??keshe\clock.v
?????文件????????3664??2019-07-04?15:59??keshe\clock.v.bak
?????文件???????47623??2019-06-24?21:07??keshe\clock_assignment_defaults.qdf
?????文件????????2431??2019-06-24?22:00??keshe\clock_nativelink_simulation.rpt
?????目錄???????????0??2019-07-04?16:46??keshe\db\
?????文件?????????202??2019-06-26?00:11??keshe\db\.cmp.kpt
?????文件????????4137??2019-07-05?17:08??keshe\db\abs_divider_kbg.tdf
?????文件????????1734??2019-07-05?17:08??keshe\db\add_sub_unc.tdf
?????文件????????1879??2019-07-05?17:08??keshe\db\add_sub_vnc.tdf
?????文件???????52551??2019-07-05?17:08??keshe\db\alt_u_div_t5f.tdf
?????文件???????25732??2019-07-05?17:08??keshe\db\clock.(0).cnf.cdb
............此處省略115個文件信息
-----------?---------??----------?-----??----
?????目錄???????????0??2019-07-04?16:46??keshe\
?????文件????????6852??2019-07-05?17:09??keshe\clock.asm.rpt
?????文件??????????26??2019-07-05?17:12??keshe\clock.done
?????文件?????????239??2019-07-06?11:46??keshe\clock.dpf
?????文件????????8561??2019-07-05?17:11??keshe\clock.eda.rpt
?????文件??????147993??2019-07-05?17:09??keshe\clock.fit.rpt
?????文件?????????513??2019-07-05?17:09??keshe\clock.fit.smsg
?????文件?????????603??2019-07-05?17:09??keshe\clock.fit.summary
?????文件????????9638??2019-07-05?17:12??keshe\clock.flow.rpt
?????文件??????????21??2019-07-05?17:09??keshe\clock.jdi
?????文件???????46035??2019-07-05?17:12??keshe\clock.map.rpt
?????文件?????????127??2019-07-05?17:12??keshe\clock.map.smsg
?????文件?????????465??2019-07-05?17:12??keshe\clock.map.summary
?????文件???????20790??2019-07-05?17:09??keshe\clock.pin
?????文件????????1259??2019-06-24?20:16??keshe\clock.qpf
?????文件????????4678??2019-07-06?13:08??keshe\clock.qsf
?????文件?????????529??2019-07-06?13:08??keshe\clock.qws
?????文件??????358330??2019-07-05?17:09??keshe\clock.sof
?????文件??????113094??2019-07-05?17:09??keshe\clock.sta.rpt
?????文件????????1634??2019-07-05?17:09??keshe\clock.sta.summary
?????文件????????3749??2019-07-04?16:46??keshe\clock.v
?????文件????????3664??2019-07-04?15:59??keshe\clock.v.bak
?????文件???????47623??2019-06-24?21:07??keshe\clock_assignment_defaults.qdf
?????文件????????2431??2019-06-24?22:00??keshe\clock_nativeli
?????目錄???????????0??2019-07-04?16:46??keshe\db\
?????文件?????????202??2019-06-26?00:11??keshe\db\.cmp.kpt
?????文件????????4137??2019-07-05?17:08??keshe\db\abs_divider_kbg.tdf
?????文件????????1734??2019-07-05?17:08??keshe\db\add_sub_unc.tdf
?????文件????????1879??2019-07-05?17:08??keshe\db\add_sub_vnc.tdf
?????文件???????52551??2019-07-05?17:08??keshe\db\alt_u_div_t5f.tdf
?????文件???????25732??2019-07-05?17:08??keshe\db\clock.(0).cnf.cdb
............此處省略115個文件信息
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