16×16點陣EDA課程設計報告

EDA課程設計第1頁共8頁北華航天工業(yè)學院EDA綜合實踐總結報告綜合實踐名稱：EDA技術與實踐16×16點陣顯示綜合實驗綜合實踐地點、時間教二EDA實驗室

11-12-2學期第1專業(yè)班級：10241姓名：曹志鵬學號：20103024130同組人員：方斌指導教師姓名：薛瑞完成時間：2012年目錄一、綜合實踐的目的………………3二、綜合實踐理論基礎和核心內(nèi)容………………3三、綜合實踐具體內(nèi)容和記錄………3四、綜合實踐總結及分析…………7五、綜合實踐所需儀器設備………7六、參考資料………7七、成績評定表……………………8一、綜合實踐的目的1.熟悉MAX+PLUSⅡ編程環(huán)境。2.掌握MAX+PLUSⅡ原理圖輸入和文本輸入。3.掌握MAX+PLUSⅡ對設計文件的編譯和仿真。4.掌握VHDL語言中的順序語句和并行語句以及程序的基本結構。5.了解點陣屏顯示字符的原理與過程。二、綜合實踐理論基礎和核心內(nèi)容1.給點陣24HZ以上的列掃描信號，同時給行不同的字符編碼，從而讓點陣顯示不同的花色和字符2.用兩個三八譯碼器對四位二進制數(shù)進行譯碼從而實現(xiàn)16位二進制數(shù)的循環(huán)移位，以此作為16位列掃描信號。3.點陣控制器的rst時鐘輸入用來控制行依次亮滅的速度，因此其頻率必須小于24HZ以保證人眼能夠區(qū)分。4.din用來控制點陣顯示不同的字符和花色，應當在實驗開始前就接高電平或低電平,當din給低電平時，點陣的行從上往下依次點亮后又從下往上依次熄滅；當din給高電平時，點陣屏上循環(huán)顯示“中”“國”“人”三個字。三、綜合實踐具體內(nèi)容和記錄程序清單如下所示libraryieee;useieee.std_logic_1164.all;useieee.std_logic_unsigned.all;entitydianzhenisport(clk,rst:instd_logic;din:instd_logic;dotout:outstd_logic_vector(15downto0);selout:outstd_logic_vector(3downto0));enddianzhen;architectureaofdianzhenissignalq:std_logic_vector(1downto0);signalso:std_logic_vector(4downto0);signals:std_logic_vector(3downto0);beginK1:processbeginif rising_edge(clk)thenifs="1111"thens<="0000";elses<=s+1;endif;endif;selout<=s;endprocessK1; K2:processbeginifrising_edge(rst)thenifso="11111"thenso<="00000";elseso<=so+1;ifq="10"thenq<="00";elseq<=q+1;endif;endif;endif;ifdin='0'thencasesoiswhen"00000"=>dotout<="0000000000000001";when"00001"=>dotout<="0000000000000011";when"00010"=>dotout<="0000000000000111";when"00011"=>dotout<="0000000000001111";when"00100"=>dotout<="0000000000011111";when"00101"=>dotout<="0000000000111111";when"00110"=>dotout<="0000000001111111";when"00111"=>dotout<="0000000011111111";when"01000"=>dotout<="0000000111111111";when"01001"=>dotout<="0000001111111111";when"01010"=>dotout<="0000011111111111";when"01011"=>dotout<="0000111111111111";when"01100"=>dotout<="0001111111111111";when"01101"=>dotout<="0011111111111111";when"01110"=>dotout<="0111111111111111";when"01111"=>dotout<="1111111111111111";when"10000"=>dotout<="0111111111111111";when"10001"=>dotout<="0011111111111111";when"10010"=>dotout<="0001111111111111";when"10011"=>dotout<="0000111111111111";when"10100"=>dotout<="0000011111111111";when"10101"=>dotout<="0000001111111111";when"10110"=>dotout<="0000000111111111";when"10111"=>dotout<="0000000011111111";when"11000"=>dotout<="0000000001111111";when"11001"=>dotout<="0000000000111111";when"11010"=>dotout<="0000000000011111";when"11011"=>dotout<="0000000000001111";when"11100"=>dotout<="0000000000000111";when"11101"=>dotout<="0000000000000011";when"11110"=>dotout<="0000000000000001";when"11111"=>dotout<="0000000000000000";whenothers=>dotout<=null;endcase;elsifdin='1'thenifq="00"thencasesiswhen"1111"=>dotout<="0000000000000000";when"1110"=>dotout<="0000000000000000"; when"1101"=>dotout<="0000000000001000";when"1100"=>dotout<="0000011111111100"; when"1011"=>dotout<="0000001000001000";when"1010"=>dotout<="0000001000001000"; when"1001"=>dotout<="0000001000001000";when"1000"=>dotout<="1111111111111111"; when"0111"=>dotout<="0000001000001000"; when"0110"=>dotout<="0000001000001000";when"0101"=>dotout<="0000001000001000"; when"0100"=>dotout<="0000001000001000"; when"0011"=>dotout<="0000001000001000"; when"0010"=>dotout<="0000011111111100"; when"0001"=>dotout<="0000000000000000"; when"0000"=>dotout<="0000000000000000";whenothers=>dotout<=null;endcase;elsifq="01"thencasesiswhen"0000"=>dotout<="0000000000000000"; when"0001"=>dotout<="0000000000000000"; when"0010"=>dotout<="1111111111111110";when"0011"=>dotout<="0100000000000010";when"0100"=>dotout<="0100100000001010";when"0101"=>dotout<="0100100000001010";when"0110"=>dotout<="0100111010001010";when"0111"=>dotout<="0100100110001010";when"1000"=>dotout<="0100100010001010";when"1001"=>dotout<="0100111111111010";when"1010"=>dotout<="0100100010001010";when"1011"=>dotout<="0100100010001010";when"1100"=>dotout<="0100100010001010";when"1101"=>dotout<="0100100000001010";when"1110"=>dotout<="1111111111111110";when"1111"=>dotout<="0000000000000000";whenothers=>dotout<=null;endcase;elsifq="10"thencasesiswhen"0000"=>dotout<="0100000000000000";when"0001"=>dotout<="0010000000000000";when"0010"=>dotout<="0001000000000000";when"0011"=>dotout<="0000100000000000";when"0100"=>dotout<="0000010000000000";when"0101"=>dotout<="0000001000000000";when"0110"=>dotout<="0000000100000000";when"0111"=>dotout<="0000000011111111";when"1000"=>dotout<="0000000100000000";when"1001"=>dotout<="0000001000000000";when"1010"=>dotout<="0000010000000000";when"1011"=>dotout<="0000100000000000";when"1100"=>dotout<="0001000000000000";when"1101"=>dotout<="0010000000000000";when"1110"=>dotout<="0100000000000000";when"1111"=>dotout<="0100000000000000";whenothers=>dotout<=null;endcase;endif;endif;endprocessK2;enda;gdf原理圖如下圖所示：四、綜合實踐總結及分析1.通過軟件的仿真和硬件的驗證，實驗結果準確無誤，點陣屏顯示效果良好。2.通過此次EDA綜合實踐讓我更加深入的理解了點陣的顯示原理和可編程邏輯器件的工作過程，使我明白了作為一個程序設計人員要有認真細致的工作態(tài)度和充足的耐性。3.在此次綜合實踐中我們在老師的指導下不斷對程序和硬件進行改進和優(yōu)化，取得了顯著的成效，因此無論在以后的學習還是工作中我們都應該做到精益求精，從而使自己的知識結構不斷完善，是自己設計的產(chǎn)品符合